Merge branches 'acpi-numa', 'acpi-tables' and 'acpi-osi'

* acpi-numa:
  ACPI / SRAT: fix SRAT parsing order with both LAPIC and X2APIC present

* acpi-tables:
  ACPI / tables: Fix DSDT override mechanism
  ACPI / tables: Convert initrd table override to table upgrade mechanism
  ACPI / x86: Cleanup initrd related code
  ACPI / tables: Move table override mechanisms to tables.c

* acpi-osi:
  ACPI / osi: Collect _OSI handling into one single file
  ACPI / osi: Cleanup coding style issues before creating a separate OSI source file
  ACPI / osi: Cleanup OSI handling code to use bool
  ACPI / osi: Fix default _OSI(Darwin) support
  ACPI / osi: Add acpi_osi=!! to allow reverting acpi_osi=!
  ACPI / osi: Cleanup _OSI("Linux") related code before introducing new support
  ACPI / osi: Fix an issue that acpi_osi=!* cannot disable ACPICA internal strings

Conflicts:
	drivers/acpi/internal.h
diff --git a/.mailmap b/.mailmap
index c156a8b..08b8042 100644
--- a/.mailmap
+++ b/.mailmap
@@ -69,6 +69,7 @@
 Jeff Garzik <jgarzik@pretzel.yyz.us>
 Jens Axboe <axboe@suse.de>
 Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
+John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
 John Stultz <johnstul@us.ibm.com>
 <josh@joshtriplett.org> <josh@freedesktop.org>
 <josh@joshtriplett.org> <josh@kernel.org>
diff --git a/Documentation/acpi/initrd_table_override.txt b/Documentation/acpi/initrd_table_override.txt
index 35c3f54..eb651a6 100644
--- a/Documentation/acpi/initrd_table_override.txt
+++ b/Documentation/acpi/initrd_table_override.txt
@@ -1,5 +1,5 @@
-Overriding ACPI tables via initrd
-=================================
+Upgrading ACPI tables via initrd
+================================
 
 1) Introduction (What is this about)
 2) What is this for
@@ -9,12 +9,14 @@
 1) What is this about
 ---------------------
 
-If the ACPI_INITRD_TABLE_OVERRIDE compile option is true, it is possible to
-override nearly any ACPI table provided by the BIOS with an instrumented,
-modified one.
+If the ACPI_TABLE_UPGRADE compile option is true, it is possible to
+upgrade the ACPI execution environment that is defined by the ACPI tables
+via upgrading the ACPI tables provided by the BIOS with an instrumented,
+modified, more recent version one, or installing brand new ACPI tables.
 
-For a full list of ACPI tables that can be overridden, take a look at
-the char *table_sigs[MAX_ACPI_SIGNATURE]; definition in drivers/acpi/osl.c
+For a full list of ACPI tables that can be upgraded/installed, take a look
+at the char *table_sigs[MAX_ACPI_SIGNATURE]; definition in
+drivers/acpi/tables.c.
 All ACPI tables iasl (Intel's ACPI compiler and disassembler) knows should
 be overridable, except:
    - ACPI_SIG_RSDP (has a signature of 6 bytes)
@@ -25,17 +27,20 @@
 2) What is this for
 -------------------
 
-Please keep in mind that this is a debug option.
-ACPI tables should not get overridden for productive use.
-If BIOS ACPI tables are overridden the kernel will get tainted with the
-TAINT_OVERRIDDEN_ACPI_TABLE flag.
-Complain to your platform/BIOS vendor if you find a bug which is so sever
-that a workaround is not accepted in the Linux kernel.
+Complain to your platform/BIOS vendor if you find a bug which is so severe
+that a workaround is not accepted in the Linux kernel. And this facility
+allows you to upgrade the buggy tables before your platform/BIOS vendor
+releases an upgraded BIOS binary.
 
-Still, it can and should be enabled in any kernel, because:
-  - There is no functional change with not instrumented initrds
-  - It provides a powerful feature to easily debug and test ACPI BIOS table
-    compatibility with the Linux kernel.
+This facility can be used by platform/BIOS vendors to provide a Linux
+compatible environment without modifying the underlying platform firmware.
+
+This facility also provides a powerful feature to easily debug and test
+ACPI BIOS table compatibility with the Linux kernel by modifying old
+platform provided ACPI tables or inserting new ACPI tables.
+
+It can and should be enabled in any kernel because there is no functional
+change with not instrumented initrds.
 
 
 3) How does it work
@@ -50,23 +55,31 @@
 # For example add this statement into a _PRT (PCI Routing Table) function
 # of the DSDT:
 Store("HELLO WORLD", debug)
+# And increase the OEM Revision. For example, before modification:
+DefinitionBlock ("DSDT.aml", "DSDT", 2, "INTEL ", "TEMPLATE", 0x00000000)
+# After modification:
+DefinitionBlock ("DSDT.aml", "DSDT", 2, "INTEL ", "TEMPLATE", 0x00000001)
 iasl -sa dsdt.dsl
 # Add the raw ACPI tables to an uncompressed cpio archive.
-# They must be put into a /kernel/firmware/acpi directory inside the
-# cpio archive.
-# The uncompressed cpio archive must be the first.
-# Other, typically compressed cpio archives, must be
-# concatenated on top of the uncompressed one.
+# They must be put into a /kernel/firmware/acpi directory inside the cpio
+# archive. Note that if the table put here matches a platform table
+# (similar Table Signature, and similar OEMID, and similar OEM Table ID)
+# with a more recent OEM Revision, the platform table will be upgraded by
+# this table. If the table put here doesn't match a platform table
+# (dissimilar Table Signature, or dissimilar OEMID, or dissimilar OEM Table
+# ID), this table will be appended.
 mkdir -p kernel/firmware/acpi
 cp dsdt.aml kernel/firmware/acpi
-# A maximum of: #define ACPI_OVERRIDE_TABLES 10
-# tables are  currently allowed (see osl.c):
+# A maximum of "NR_ACPI_INITRD_TABLES (64)" tables are currently allowed
+# (see osl.c):
 iasl -sa facp.dsl
 iasl -sa ssdt1.dsl
 cp facp.aml kernel/firmware/acpi
 cp ssdt1.aml kernel/firmware/acpi
-# Create the uncompressed cpio archive and concatenate the original initrd
-# on top:
+# The uncompressed cpio archive must be the first. Other, typically
+# compressed cpio archives, must be concatenated on top of the uncompressed
+# one. Following command creates the uncompressed cpio archive and
+# concatenates the original initrd on top:
 find kernel | cpio -H newc --create > /boot/instrumented_initrd
 cat /boot/initrd >>/boot/instrumented_initrd
 # reboot with increased acpi debug level, e.g. boot params:
diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.txt b/Documentation/devicetree/bindings/ata/ahci-platform.txt
index 30df832..87adfb2 100644
--- a/Documentation/devicetree/bindings/ata/ahci-platform.txt
+++ b/Documentation/devicetree/bindings/ata/ahci-platform.txt
@@ -32,6 +32,10 @@
 - target-supply     : regulator for SATA target power
 - phys              : reference to the SATA PHY node
 - phy-names         : must be "sata-phy"
+- ports-implemented : Mask that indicates which ports that the HBA supports
+		      are available for software to use. Useful if PORTS_IMPL
+		      is not programmed by the BIOS, which is true with
+		      some embedded SOC's.
 
 Required properties when using sub-nodes:
 - #address-cells    : number of cells to encode an address
diff --git a/Documentation/devicetree/bindings/net/cpsw.txt b/Documentation/devicetree/bindings/net/cpsw.txt
index 28a4781..0ae0649 100644
--- a/Documentation/devicetree/bindings/net/cpsw.txt
+++ b/Documentation/devicetree/bindings/net/cpsw.txt
@@ -45,13 +45,13 @@
 Optional properties:
 - dual_emac_res_vlan	: Specifies VID to be used to segregate the ports
 - mac-address		: See ethernet.txt file in the same directory
-- phy_id		: Specifies slave phy id
+- phy_id		: Specifies slave phy id (deprecated, use phy-handle)
 - phy-handle		: See ethernet.txt file in the same directory
 
 Slave sub-nodes:
 - fixed-link		: See fixed-link.txt file in the same directory
-			  Either the property phy_id, or the sub-node
-			  fixed-link can be specified
+
+Note: Exactly one of phy_id, phy-handle, or fixed-link must be specified.
 
 Note: "ti,hwmods" field is used to fetch the base address and irq
 resources from TI, omap hwmod data base during device registration.
diff --git a/Documentation/networking/altera_tse.txt b/Documentation/networking/altera_tse.txt
index 3f24df8..50b8589 100644
--- a/Documentation/networking/altera_tse.txt
+++ b/Documentation/networking/altera_tse.txt
@@ -6,7 +6,7 @@
 using the SGDMA and MSGDMA soft DMA IP components. The driver uses the
 platform bus to obtain component resources. The designs used to test this
 driver were built for a Cyclone(R) V SOC FPGA board, a Cyclone(R) V FPGA board,
-and tested with ARM and NIOS processor hosts seperately. The anticipated use
+and tested with ARM and NIOS processor hosts separately. The anticipated use
 cases are simple communications between an embedded system and an external peer
 for status and simple configuration of the embedded system.
 
@@ -65,14 +65,14 @@
 4.1) Transmit process
 When the driver's transmit routine is called by the kernel, it sets up a
 transmit descriptor by calling the underlying DMA transmit routine (SGDMA or
-MSGDMA), and initites a transmit operation. Once the transmit is complete, an
+MSGDMA), and initiates a transmit operation. Once the transmit is complete, an
 interrupt is driven by the transmit DMA logic. The driver handles the transmit
 completion in the context of the interrupt handling chain by recycling
 resource required to send and track the requested transmit operation.
 
 4.2) Receive process
 The driver will post receive buffers to the receive DMA logic during driver
-intialization. Receive buffers may or may not be queued depending upon the
+initialization. Receive buffers may or may not be queued depending upon the
 underlying DMA logic (MSGDMA is able queue receive buffers, SGDMA is not able
 to queue receive buffers to the SGDMA receive logic). When a packet is
 received, the DMA logic generates an interrupt. The driver handles a receive
diff --git a/Documentation/networking/ipvlan.txt b/Documentation/networking/ipvlan.txt
index cf99639..14422f8 100644
--- a/Documentation/networking/ipvlan.txt
+++ b/Documentation/networking/ipvlan.txt
@@ -8,7 +8,7 @@
 	This is conceptually very similar to the macvlan driver with one major
 exception of using L3 for mux-ing /demux-ing among slaves. This property makes
 the master device share the L2 with it's slave devices. I have developed this
-driver in conjuntion with network namespaces and not sure if there is use case
+driver in conjunction with network namespaces and not sure if there is use case
 outside of it.
 
 
@@ -42,7 +42,7 @@
 as well.
 
 4.2 L3 mode:
-	In this mode TX processing upto L3 happens on the stack instance attached
+	In this mode TX processing up to L3 happens on the stack instance attached
 to the slave device and packets are switched to the stack instance of the
 master device for the L2 processing and routing from that instance will be
 used before packets are queued on the outbound device. In this mode the slaves
@@ -56,7 +56,7 @@
 	(a) The Linux host that is connected to the external switch / router has
 policy configured that allows only one mac per port.
 	(b) No of virtual devices created on a master exceed the mac capacity and
-puts the NIC in promiscous mode and degraded performance is a concern.
+puts the NIC in promiscuous mode and degraded performance is a concern.
 	(c) If the slave device is to be put into the hostile / untrusted network
 namespace where L2 on the slave could be changed / misused.
 
diff --git a/Documentation/networking/pktgen.txt b/Documentation/networking/pktgen.txt
index f4be85e..2c4e335 100644
--- a/Documentation/networking/pktgen.txt
+++ b/Documentation/networking/pktgen.txt
@@ -67,12 +67,12 @@
  * add_device DEVICE@NAME -- adds a single device
  * rem_device_all         -- remove all associated devices
 
-When adding a device to a thread, a corrosponding procfile is created
+When adding a device to a thread, a corresponding procfile is created
 which is used for configuring this device. Thus, device names need to
 be unique.
 
 To support adding the same device to multiple threads, which is useful
-with multi queue NICs, a the device naming scheme is extended with "@":
+with multi queue NICs, the device naming scheme is extended with "@":
  device@something
 
 The part after "@" can be anything, but it is custom to use the thread
@@ -221,7 +221,7 @@
 
 A collection of tutorial scripts and helpers for pktgen is in the
 samples/pktgen directory. The helper parameters.sh file support easy
-and consistant parameter parsing across the sample scripts.
+and consistent parameter parsing across the sample scripts.
 
 Usage example and help:
  ./pktgen_sample01_simple.sh -i eth4 -m 00:1B:21:3C:9D:F8 -d 192.168.8.2
diff --git a/Documentation/networking/vrf.txt b/Documentation/networking/vrf.txt
index d52aa10..5da679c 100644
--- a/Documentation/networking/vrf.txt
+++ b/Documentation/networking/vrf.txt
@@ -41,7 +41,7 @@
 the VRF device. Similarly on egress routing rules are used to send packets
 to the VRF device driver before getting sent out the actual interface. This
 allows tcpdump on a VRF device to capture all packets into and out of the
-VRF as a whole.[1] Similiarly, netfilter [2] and tc rules can be applied
+VRF as a whole.[1] Similarly, netfilter [2] and tc rules can be applied
 using the VRF device to specify rules that apply to the VRF domain as a whole.
 
 [1] Packets in the forwarded state do not flow through the device, so those
diff --git a/Documentation/networking/xfrm_sync.txt b/Documentation/networking/xfrm_sync.txt
index d7aac9d..8d88e0f 100644
--- a/Documentation/networking/xfrm_sync.txt
+++ b/Documentation/networking/xfrm_sync.txt
@@ -4,7 +4,7 @@
 from Jamal <hadi@cyberus.ca>.
 
 The end goal for syncing is to be able to insert attributes + generate
-events so that the an SA can be safely moved from one machine to another
+events so that the SA can be safely moved from one machine to another
 for HA purposes.
 The idea is to synchronize the SA so that the takeover machine can do
 the processing of the SA as accurate as possible if it has access to it.
@@ -13,7 +13,7 @@
 These patches add ability to sync and have accurate lifetime byte (to
 ensure proper decay of SAs) and replay counters to avoid replay attacks
 with as minimal loss at failover time.
-This way a backup stays as closely uptodate as an active member.
+This way a backup stays as closely up-to-date as an active member.
 
 Because the above items change for every packet the SA receives,
 it is possible for a lot of the events to be generated.
@@ -163,7 +163,7 @@
 there is a period where the timer threshold expires with no packets
 seen, then an odd behavior is seen as follows:
 The first packet arrival after a timer expiry will trigger a timeout
-aevent; i.e we dont wait for a timeout period or a packet threshold
+event; i.e we don't wait for a timeout period or a packet threshold
 to be reached. This is done for simplicity and efficiency reasons.
 
 -JHS
diff --git a/MAINTAINERS b/MAINTAINERS
index 42e65d1..a727d99 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -872,9 +872,9 @@
 F:	include/linux/perf/arm_pmu.h
 
 ARM PORT
-M:	Russell King <linux@arm.linux.org.uk>
+M:	Russell King <linux@armlinux.org.uk>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-W:	http://www.arm.linux.org.uk/
+W:	http://www.armlinux.org.uk/
 S:	Maintained
 F:	arch/arm/
 
@@ -886,35 +886,35 @@
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc.git
 
 ARM PRIMECELL AACI PL041 DRIVER
-M:	Russell King <linux@arm.linux.org.uk>
+M:	Russell King <linux@armlinux.org.uk>
 S:	Maintained
 F:	sound/arm/aaci.*
 
 ARM PRIMECELL CLCD PL110 DRIVER
-M:	Russell King <linux@arm.linux.org.uk>
+M:	Russell King <linux@armlinux.org.uk>
 S:	Maintained
 F:	drivers/video/fbdev/amba-clcd.*
 
 ARM PRIMECELL KMI PL050 DRIVER
-M:	Russell King <linux@arm.linux.org.uk>
+M:	Russell King <linux@armlinux.org.uk>
 S:	Maintained
 F:	drivers/input/serio/ambakmi.*
 F:	include/linux/amba/kmi.h
 
 ARM PRIMECELL MMCI PL180/1 DRIVER
-M:	Russell King <linux@arm.linux.org.uk>
+M:	Russell King <linux@armlinux.org.uk>
 S:	Maintained
 F:	drivers/mmc/host/mmci.*
 F:	include/linux/amba/mmci.h
 
 ARM PRIMECELL UART PL010 AND PL011 DRIVERS
-M:	Russell King <linux@arm.linux.org.uk>
+M:	Russell King <linux@armlinux.org.uk>
 S:	Maintained
 F:	drivers/tty/serial/amba-pl01*.c
 F:	include/linux/amba/serial.h
 
 ARM PRIMECELL BUS SUPPORT
-M:	Russell King <linux@arm.linux.org.uk>
+M:	Russell King <linux@armlinux.org.uk>
 S:	Maintained
 F:	drivers/amba/
 F:	include/linux/amba/bus.h
@@ -1036,7 +1036,7 @@
 S:	Maintained
 
 ARM/CLKDEV SUPPORT
-M:	Russell King <linux@arm.linux.org.uk>
+M:	Russell King <linux@armlinux.org.uk>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 S:	Maintained
 F:	arch/arm/include/asm/clkdev.h
@@ -1093,9 +1093,9 @@
 N:	digicolor
 
 ARM/EBSA110 MACHINE SUPPORT
-M:	Russell King <linux@arm.linux.org.uk>
+M:	Russell King <linux@armlinux.org.uk>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-W:	http://www.arm.linux.org.uk/
+W:	http://www.armlinux.org.uk/
 S:	Maintained
 F:	arch/arm/mach-ebsa110/
 F:	drivers/net/ethernet/amd/am79c961a.*
@@ -1124,9 +1124,9 @@
 F:	arch/arm/mm/*-fa*
 
 ARM/FOOTBRIDGE ARCHITECTURE
-M:	Russell King <linux@arm.linux.org.uk>
+M:	Russell King <linux@armlinux.org.uk>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-W:	http://www.arm.linux.org.uk/
+W:	http://www.armlinux.org.uk/
 S:	Maintained
 F:	arch/arm/include/asm/hardware/dec21285.h
 F:	arch/arm/mach-footbridge/
@@ -1457,7 +1457,7 @@
 ARM/PT DIGITAL BOARD PORT
 M:	Stefan Eletzhofer <stefan.eletzhofer@eletztrick.de>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-W:	http://www.arm.linux.org.uk/
+W:	http://www.armlinux.org.uk/
 S:	Maintained
 
 ARM/QUALCOMM SUPPORT
@@ -1493,9 +1493,9 @@
 F:	arch/arm64/boot/dts/renesas/
 
 ARM/RISCPC ARCHITECTURE
-M:	Russell King <linux@arm.linux.org.uk>
+M:	Russell King <linux@armlinux.org.uk>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-W:	http://www.arm.linux.org.uk/
+W:	http://www.armlinux.org.uk/
 S:	Maintained
 F:	arch/arm/include/asm/hardware/entry-macro-iomd.S
 F:	arch/arm/include/asm/hardware/ioc.h
@@ -1773,9 +1773,9 @@
 F:	drivers/clocksource/versatile.c
 
 ARM/VFP SUPPORT
-M:	Russell King <linux@arm.linux.org.uk>
+M:	Russell King <linux@armlinux.org.uk>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-W:	http://www.arm.linux.org.uk/
+W:	http://www.armlinux.org.uk/
 S:	Maintained
 F:	arch/arm/vfp/
 
@@ -2921,7 +2921,7 @@
 F:	include/linux/cleancache.h
 
 CLK API
-M:	Russell King <linux@arm.linux.org.uk>
+M:	Russell King <linux@armlinux.org.uk>
 L:	linux-clk@vger.kernel.org
 S:	Maintained
 F:	include/linux/clk.h
@@ -3354,9 +3354,9 @@
 F:	drivers/net/ethernet/stmicro/stmmac/
 
 CYBERPRO FB DRIVER
-M:	Russell King <linux@arm.linux.org.uk>
+M:	Russell King <linux@armlinux.org.uk>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-W:	http://www.arm.linux.org.uk/
+W:	http://www.armlinux.org.uk/
 S:	Maintained
 F:	drivers/video/fbdev/cyber2000fb.*
 
@@ -3881,7 +3881,7 @@
 
 DRM DRIVERS FOR VIVANTE GPU IP
 M:	Lucas Stach <l.stach@pengutronix.de>
-R:	Russell King <linux+etnaviv@arm.linux.org.uk>
+R:	Russell King <linux+etnaviv@armlinux.org.uk>
 R:	Christian Gmeiner <christian.gmeiner@gmail.com>
 L:	dri-devel@lists.freedesktop.org
 S:	Maintained
@@ -4223,8 +4223,8 @@
 F:	arch/ia64/kernel/efi.c
 F:	arch/x86/boot/compressed/eboot.[ch]
 F:	arch/x86/include/asm/efi.h
-F:	arch/x86/platform/efi/*
-F:	drivers/firmware/efi/*
+F:	arch/x86/platform/efi/
+F:	drivers/firmware/efi/
 F:	include/linux/efi*.h
 
 EFI VARIABLE FILESYSTEM
@@ -4744,7 +4744,7 @@
 
 FUSE: FILESYSTEM IN USERSPACE
 M:	Miklos Szeredi <miklos@szeredi.hu>
-L:	fuse-devel@lists.sourceforge.net
+L:	linux-fsdevel@vger.kernel.org
 W:	http://fuse.sourceforge.net/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git
 S:	Maintained
@@ -4903,7 +4903,7 @@
 F:	include/net/gre.h
 
 GRETH 10/100/1G Ethernet MAC device driver
-M:	Kristoffer Glembo <kristoffer@gaisler.com>
+M:	Andreas Larsson <andreas@gaisler.com>
 L:	netdev@vger.kernel.org
 S:	Maintained
 F:	drivers/net/ethernet/aeroflex/
@@ -6905,7 +6905,7 @@
 S:	Maintained
 
 MARVELL ARMADA DRM SUPPORT
-M:	Russell King <rmk+kernel@arm.linux.org.uk>
+M:	Russell King <rmk+kernel@armlinux.org.uk>
 S:	Maintained
 F:	drivers/gpu/drm/armada/
 
@@ -7905,7 +7905,7 @@
 F:	drivers/nfc/nxp-nci
 
 NXP TDA998X DRM DRIVER
-M:	Russell King <rmk+kernel@arm.linux.org.uk>
+M:	Russell King <rmk+kernel@armlinux.org.uk>
 S:	Supported
 F:	drivers/gpu/drm/i2c/tda998x_drv.c
 F:	include/drm/i2c/tda998x.h
@@ -7978,7 +7978,7 @@
 F:	drivers/cpufreq/omap-cpufreq.c
 
 OMAP POWERDOMAIN SOC ADAPTATION LAYER SUPPORT
-M:	Rajendra Nayak <rnayak@ti.com>
+M:	Rajendra Nayak <rnayak@codeaurora.org>
 M:	Paul Walmsley <paul@pwsan.com>
 L:	linux-omap@vger.kernel.org
 S:	Maintained
@@ -10014,7 +10014,8 @@
 
 SFC NETWORK DRIVER
 M:	Solarflare linux maintainers <linux-net-drivers@solarflare.com>
-M:	Shradha Shah <sshah@solarflare.com>
+M:	Edward Cree <ecree@solarflare.com>
+M:	Bert Kenward <bkenward@solarflare.com>
 L:	netdev@vger.kernel.org
 S:	Supported
 F:	drivers/net/ethernet/sfc/
diff --git a/Makefile b/Makefile
index 7466de6..acf6155 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 4
 PATCHLEVEL = 6
 SUBLEVEL = 0
-EXTRAVERSION = -rc6
+EXTRAVERSION = -rc7
 NAME = Charred Weasel
 
 # *DOCUMENTATION*
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index ec4791e..a876743 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -58,6 +58,9 @@
 config RWSEM_GENERIC_SPINLOCK
 	def_bool y
 
+config ARCH_DISCONTIGMEM_ENABLE
+	def_bool y
+
 config ARCH_FLATMEM_ENABLE
 	def_bool y
 
@@ -347,6 +350,15 @@
 
 endchoice
 
+config NODES_SHIFT
+	int "Maximum NUMA Nodes (as a power of 2)"
+	default "1" if !DISCONTIGMEM
+	default "2" if DISCONTIGMEM
+	depends on NEED_MULTIPLE_NODES
+	---help---
+	  Accessing memory beyond 1GB (with or w/o PAE) requires 2 memory
+	  zones.
+
 if ISA_ARCOMPACT
 
 config ARC_COMPACT_IRQ_LEVELS
@@ -455,6 +467,7 @@
 
 config HIGHMEM
 	bool "High Memory Support"
+	select DISCONTIGMEM
 	help
 	  With ARC 2G:2G address split, only upper 2G is directly addressable by
 	  kernel. Enable this to potentially allow access to rest of 2G and PAE
diff --git a/arch/arc/include/asm/io.h b/arch/arc/include/asm/io.h
index 17f85c9..c22b181 100644
--- a/arch/arc/include/asm/io.h
+++ b/arch/arc/include/asm/io.h
@@ -13,6 +13,15 @@
 #include <asm/byteorder.h>
 #include <asm/page.h>
 
+#ifdef CONFIG_ISA_ARCV2
+#include <asm/barrier.h>
+#define __iormb()		rmb()
+#define __iowmb()		wmb()
+#else
+#define __iormb()		do { } while (0)
+#define __iowmb()		do { } while (0)
+#endif
+
 extern void __iomem *ioremap(phys_addr_t paddr, unsigned long size);
 extern void __iomem *ioremap_prot(phys_addr_t paddr, unsigned long size,
 				  unsigned long flags);
@@ -31,6 +40,15 @@
 #define ioremap_wc(phy, sz)		ioremap(phy, sz)
 #define ioremap_wt(phy, sz)		ioremap(phy, sz)
 
+/*
+ * io{read,write}{16,32}be() macros
+ */
+#define ioread16be(p)		({ u16 __v = be16_to_cpu((__force __be16)__raw_readw(p)); __iormb(); __v; })
+#define ioread32be(p)		({ u32 __v = be32_to_cpu((__force __be32)__raw_readl(p)); __iormb(); __v; })
+
+#define iowrite16be(v,p)	({ __iowmb(); __raw_writew((__force u16)cpu_to_be16(v), p); })
+#define iowrite32be(v,p)	({ __iowmb(); __raw_writel((__force u32)cpu_to_be32(v), p); })
+
 /* Change struct page to physical address */
 #define page_to_phys(page)		(page_to_pfn(page) << PAGE_SHIFT)
 
@@ -108,15 +126,6 @@
 
 }
 
-#ifdef CONFIG_ISA_ARCV2
-#include <asm/barrier.h>
-#define __iormb()		rmb()
-#define __iowmb()		wmb()
-#else
-#define __iormb()		do { } while (0)
-#define __iowmb()		do { } while (0)
-#endif
-
 /*
  * MMIO can also get buffered/optimized in micro-arch, so barriers needed
  * Based on ARM model for the typical use case
diff --git a/arch/arc/include/asm/mmzone.h b/arch/arc/include/asm/mmzone.h
new file mode 100644
index 0000000..8e97136
--- /dev/null
+++ b/arch/arc/include/asm/mmzone.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _ASM_ARC_MMZONE_H
+#define _ASM_ARC_MMZONE_H
+
+#ifdef CONFIG_DISCONTIGMEM
+
+extern struct pglist_data node_data[];
+#define NODE_DATA(nid) (&node_data[nid])
+
+static inline int pfn_to_nid(unsigned long pfn)
+{
+	int is_end_low = 1;
+
+	if (IS_ENABLED(CONFIG_ARC_HAS_PAE40))
+		is_end_low = pfn <= virt_to_pfn(0xFFFFFFFFUL);
+
+	/*
+	 * node 0: lowmem:             0x8000_0000   to 0xFFFF_FFFF
+	 * node 1: HIGHMEM w/o  PAE40: 0x0           to 0x7FFF_FFFF
+	 *         HIGHMEM with PAE40: 0x1_0000_0000 to ...
+	 */
+	if (pfn >= ARCH_PFN_OFFSET && is_end_low)
+		return 0;
+
+	return 1;
+}
+
+static inline int pfn_valid(unsigned long pfn)
+{
+	int nid = pfn_to_nid(pfn);
+
+	return (pfn <= node_end_pfn(nid));
+}
+#endif /* CONFIG_DISCONTIGMEM  */
+
+#endif
diff --git a/arch/arc/include/asm/page.h b/arch/arc/include/asm/page.h
index 36da89e..0d53854 100644
--- a/arch/arc/include/asm/page.h
+++ b/arch/arc/include/asm/page.h
@@ -72,11 +72,20 @@
 
 typedef pte_t * pgtable_t;
 
+/*
+ * Use virt_to_pfn with caution:
+ * If used in pte or paddr related macros, it could cause truncation
+ * in PAE40 builds
+ * As a rule of thumb, only use it in helpers starting with virt_
+ * You have been warned !
+ */
 #define virt_to_pfn(kaddr)	(__pa(kaddr) >> PAGE_SHIFT)
 
 #define ARCH_PFN_OFFSET		virt_to_pfn(CONFIG_LINUX_LINK_BASE)
 
+#ifdef CONFIG_FLATMEM
 #define pfn_valid(pfn)		(((pfn) - ARCH_PFN_OFFSET) < max_mapnr)
+#endif
 
 /*
  * __pa, __va, virt_to_page (ALERT: deprecated, don't use them)
@@ -85,12 +94,10 @@
  * virt here means link-address/program-address as embedded in object code.
  * And for ARC, link-addr = physical address
  */
-#define __pa(vaddr)  ((unsigned long)vaddr)
+#define __pa(vaddr)  ((unsigned long)(vaddr))
 #define __va(paddr)  ((void *)((unsigned long)(paddr)))
 
-#define virt_to_page(kaddr)	\
-	(mem_map + virt_to_pfn((kaddr) - CONFIG_LINUX_LINK_BASE))
-
+#define virt_to_page(kaddr)	pfn_to_page(virt_to_pfn(kaddr))
 #define virt_addr_valid(kaddr)  pfn_valid(virt_to_pfn(kaddr))
 
 /* Default Permissions for stack/heaps pages (Non Executable) */
diff --git a/arch/arc/include/asm/pgtable.h b/arch/arc/include/asm/pgtable.h
index 7d6c93e..10d4b8b 100644
--- a/arch/arc/include/asm/pgtable.h
+++ b/arch/arc/include/asm/pgtable.h
@@ -278,14 +278,13 @@
 #define pmd_present(x)			(pmd_val(x))
 #define pmd_clear(xp)			do { pmd_val(*(xp)) = 0; } while (0)
 
-#define pte_page(pte)	\
-	(mem_map + virt_to_pfn(pte_val(pte) - CONFIG_LINUX_LINK_BASE))
-
+#define pte_page(pte)		pfn_to_page(pte_pfn(pte))
 #define mk_pte(page, prot)	pfn_pte(page_to_pfn(page), prot)
-#define pte_pfn(pte)		virt_to_pfn(pte_val(pte))
-#define pfn_pte(pfn, prot)	(__pte(((pte_t)(pfn) << PAGE_SHIFT) | \
-				 pgprot_val(prot)))
-#define __pte_index(addr)	(virt_to_pfn(addr) & (PTRS_PER_PTE - 1))
+#define pfn_pte(pfn, prot)	(__pte(((pte_t)(pfn) << PAGE_SHIFT) | pgprot_val(prot)))
+
+/* Don't use virt_to_pfn for macros below: could cause truncations for PAE40*/
+#define pte_pfn(pte)		(pte_val(pte) >> PAGE_SHIFT)
+#define __pte_index(addr)	(((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
 
 /*
  * pte_offset gets a @ptr to PMD entry (PGD in our 2-tier paging system)
diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c
index 5487d0b..8be9303 100644
--- a/arch/arc/mm/init.c
+++ b/arch/arc/mm/init.c
@@ -30,11 +30,16 @@
 static unsigned long low_mem_sz;
 
 #ifdef CONFIG_HIGHMEM
-static unsigned long min_high_pfn;
+static unsigned long min_high_pfn, max_high_pfn;
 static u64 high_mem_start;
 static u64 high_mem_sz;
 #endif
 
+#ifdef CONFIG_DISCONTIGMEM
+struct pglist_data node_data[MAX_NUMNODES] __read_mostly;
+EXPORT_SYMBOL(node_data);
+#endif
+
 /* User can over-ride above with "mem=nnn[KkMm]" in cmdline */
 static int __init setup_mem_sz(char *str)
 {
@@ -109,13 +114,11 @@
 	/* Last usable page of low mem */
 	max_low_pfn = max_pfn = PFN_DOWN(low_mem_start + low_mem_sz);
 
-#ifdef CONFIG_HIGHMEM
-	min_high_pfn = PFN_DOWN(high_mem_start);
-	max_pfn = PFN_DOWN(high_mem_start + high_mem_sz);
+#ifdef CONFIG_FLATMEM
+	/* pfn_valid() uses this */
+	max_mapnr = max_low_pfn - min_low_pfn;
 #endif
 
-	max_mapnr = max_pfn - min_low_pfn;
-
 	/*------------- bootmem allocator setup -----------------------*/
 
 	/*
@@ -129,7 +132,7 @@
 	 * the crash
 	 */
 
-	memblock_add(low_mem_start, low_mem_sz);
+	memblock_add_node(low_mem_start, low_mem_sz, 0);
 	memblock_reserve(low_mem_start, __pa(_end) - low_mem_start);
 
 #ifdef CONFIG_BLK_DEV_INITRD
@@ -149,13 +152,6 @@
 	zones_size[ZONE_NORMAL] = max_low_pfn - min_low_pfn;
 	zones_holes[ZONE_NORMAL] = 0;
 
-#ifdef CONFIG_HIGHMEM
-	zones_size[ZONE_HIGHMEM] = max_pfn - max_low_pfn;
-
-	/* This handles the peripheral address space hole */
-	zones_holes[ZONE_HIGHMEM] = min_high_pfn - max_low_pfn;
-#endif
-
 	/*
 	 * We can't use the helper free_area_init(zones[]) because it uses
 	 * PAGE_OFFSET to compute the @min_low_pfn which would be wrong
@@ -168,6 +164,34 @@
 			    zones_holes);	/* holes */
 
 #ifdef CONFIG_HIGHMEM
+	/*
+	 * Populate a new node with highmem
+	 *
+	 * On ARC (w/o PAE) HIGHMEM addresses are actually smaller (0 based)
+	 * than addresses in normal ala low memory (0x8000_0000 based).
+	 * Even with PAE, the huge peripheral space hole would waste a lot of
+	 * mem with single mem_map[]. This warrants a mem_map per region design.
+	 * Thus HIGHMEM on ARC is imlemented with DISCONTIGMEM.
+	 *
+	 * DISCONTIGMEM in turns requires multiple nodes. node 0 above is
+	 * populated with normal memory zone while node 1 only has highmem
+	 */
+	node_set_online(1);
+
+	min_high_pfn = PFN_DOWN(high_mem_start);
+	max_high_pfn = PFN_DOWN(high_mem_start + high_mem_sz);
+
+	zones_size[ZONE_NORMAL] = 0;
+	zones_holes[ZONE_NORMAL] = 0;
+
+	zones_size[ZONE_HIGHMEM] = max_high_pfn - min_high_pfn;
+	zones_holes[ZONE_HIGHMEM] = 0;
+
+	free_area_init_node(1,			/* node-id */
+			    zones_size,		/* num pages per zone */
+			    min_high_pfn,	/* first pfn of node */
+			    zones_holes);	/* holes */
+
 	high_memory = (void *)(min_high_pfn << PAGE_SHIFT);
 	kmap_init();
 #endif
@@ -185,7 +209,7 @@
 	unsigned long tmp;
 
 	reset_all_zones_managed_pages();
-	for (tmp = min_high_pfn; tmp < max_pfn; tmp++)
+	for (tmp = min_high_pfn; tmp < max_high_pfn; tmp++)
 		free_highmem_page(pfn_to_page(tmp));
 #endif
 
diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts
index b3c26a9..d9e2d9c 100644
--- a/arch/arm/boot/dts/omap3-n900.dts
+++ b/arch/arm/boot/dts/omap3-n900.dts
@@ -329,6 +329,7 @@
 	regulator-name = "V28";
 	regulator-min-microvolt = <2800000>;
 	regulator-max-microvolt = <2800000>;
+	regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */
 	regulator-always-on; /* due to battery cover sensor */
 };
 
@@ -336,30 +337,35 @@
 	regulator-name = "VCSI";
 	regulator-min-microvolt = <1800000>;
 	regulator-max-microvolt = <1800000>;
+	regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */
 };
 
 &vaux3 {
 	regulator-name = "VMMC2_30";
 	regulator-min-microvolt = <2800000>;
 	regulator-max-microvolt = <3000000>;
+	regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */
 };
 
 &vaux4 {
 	regulator-name = "VCAM_ANA_28";
 	regulator-min-microvolt = <2800000>;
 	regulator-max-microvolt = <2800000>;
+	regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */
 };
 
 &vmmc1 {
 	regulator-name = "VMMC1";
 	regulator-min-microvolt = <1850000>;
 	regulator-max-microvolt = <3150000>;
+	regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */
 };
 
 &vmmc2 {
 	regulator-name = "V28_A";
 	regulator-min-microvolt = <2800000>;
 	regulator-max-microvolt = <3000000>;
+	regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */
 	regulator-always-on; /* due VIO leak to AIC34 VDDs */
 };
 
@@ -367,6 +373,7 @@
 	regulator-name = "VPLL";
 	regulator-min-microvolt = <1800000>;
 	regulator-max-microvolt = <1800000>;
+	regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */
 	regulator-always-on;
 };
 
@@ -374,6 +381,7 @@
 	regulator-name = "VSDI_CSI";
 	regulator-min-microvolt = <1800000>;
 	regulator-max-microvolt = <1800000>;
+	regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */
 	regulator-always-on;
 };
 
@@ -381,6 +389,7 @@
 	regulator-name = "VMMC2_IO_18";
 	regulator-min-microvolt = <1800000>;
 	regulator-max-microvolt = <1800000>;
+	regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */
 };
 
 &vio {
diff --git a/arch/arm/boot/dts/omap34xx.dtsi b/arch/arm/boot/dts/omap34xx.dtsi
index 387dc31..96f8ce7 100644
--- a/arch/arm/boot/dts/omap34xx.dtsi
+++ b/arch/arm/boot/dts/omap34xx.dtsi
@@ -46,7 +46,7 @@
 			       0x480bd800 0x017c>;
 			interrupts = <24>;
 			iommus = <&mmu_isp>;
-			syscon = <&scm_conf 0xdc>;
+			syscon = <&scm_conf 0x6c>;
 			ti,phy-type = <OMAP3ISP_PHY_TYPE_COMPLEX_IO>;
 			#clock-cells = <1>;
 			ports {
diff --git a/arch/arm/boot/dts/omap5-board-common.dtsi b/arch/arm/boot/dts/omap5-board-common.dtsi
index 902657d..914bf4c 100644
--- a/arch/arm/boot/dts/omap5-board-common.dtsi
+++ b/arch/arm/boot/dts/omap5-board-common.dtsi
@@ -472,7 +472,7 @@
 				ldo1_reg: ldo1 {
 					/* VDDAPHY_CAM: vdda_csiport */
 					regulator-name = "ldo1";
-					regulator-min-microvolt = <1500000>;
+					regulator-min-microvolt = <1800000>;
 					regulator-max-microvolt = <1800000>;
 				};
 
@@ -498,7 +498,7 @@
 				ldo4_reg: ldo4 {
 					/* VDDAPHY_DISP: vdda_dsiport/hdmi */
 					regulator-name = "ldo4";
-					regulator-min-microvolt = <1500000>;
+					regulator-min-microvolt = <1800000>;
 					regulator-max-microvolt = <1800000>;
 				};
 
diff --git a/arch/arm/boot/dts/omap5-cm-t54.dts b/arch/arm/boot/dts/omap5-cm-t54.dts
index ecc591d..4d87d9c 100644
--- a/arch/arm/boot/dts/omap5-cm-t54.dts
+++ b/arch/arm/boot/dts/omap5-cm-t54.dts
@@ -513,7 +513,7 @@
 				ldo1_reg: ldo1 {
 					/* VDDAPHY_CAM: vdda_csiport */
 					regulator-name = "ldo1";
-					regulator-min-microvolt = <1500000>;
+					regulator-min-microvolt = <1800000>;
 					regulator-max-microvolt = <1800000>;
 				};
 
@@ -537,7 +537,7 @@
 				ldo4_reg: ldo4 {
 					/* VDDAPHY_DISP: vdda_dsiport/hdmi */
 					regulator-name = "ldo4";
-					regulator-min-microvolt = <1500000>;
+					regulator-min-microvolt = <1800000>;
 					regulator-max-microvolt = <1800000>;
 				};
 
diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi
index 38805eb..120b6b8 100644
--- a/arch/arm/boot/dts/omap5.dtsi
+++ b/arch/arm/boot/dts/omap5.dtsi
@@ -269,7 +269,7 @@
 			omap5_pmx_wkup: pinmux@c840 {
 				compatible = "ti,omap5-padconf",
 					     "pinctrl-single";
-				reg = <0xc840 0x0038>;
+				reg = <0xc840 0x003c>;
 				#address-cells = <1>;
 				#size-cells = <0>;
 				#interrupt-cells = <1>;
diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi
index 65d0e8d..04f541b 100644
--- a/arch/arm/boot/dts/qcom-apq8064.dtsi
+++ b/arch/arm/boot/dts/qcom-apq8064.dtsi
@@ -666,7 +666,7 @@
 		};
 
 		sata0: sata@29000000 {
-			compatible		= "generic-ahci";
+			compatible		= "qcom,apq8064-ahci", "generic-ahci";
 			status			= "disabled";
 			reg			= <0x29000000 0x180>;
 			interrupts		= <GIC_SPI 209 IRQ_TYPE_NONE>;
@@ -688,6 +688,7 @@
 
 			phys			= <&sata_phy0>;
 			phy-names		= "sata-phy";
+			ports-implemented	= <0x1>;
 		};
 
 		/* Temporary fixed regulator */
diff --git a/arch/arm/boot/dts/sun8i-q8-common.dtsi b/arch/arm/boot/dts/sun8i-q8-common.dtsi
index 9d2b7e2..346a49d 100644
--- a/arch/arm/boot/dts/sun8i-q8-common.dtsi
+++ b/arch/arm/boot/dts/sun8i-q8-common.dtsi
@@ -125,8 +125,6 @@
 };
 
 &reg_dc1sw {
-	regulator-min-microvolt = <3000000>;
-	regulator-max-microvolt = <3000000>;
 	regulator-name = "vcc-lcd";
 };
 
diff --git a/arch/arm/include/asm/domain.h b/arch/arm/include/asm/domain.h
index fc8ba16..99d9f63 100644
--- a/arch/arm/include/asm/domain.h
+++ b/arch/arm/include/asm/domain.h
@@ -84,6 +84,7 @@
 
 #ifndef __ASSEMBLY__
 
+#ifdef CONFIG_CPU_CP15_MMU
 static inline unsigned int get_domain(void)
 {
 	unsigned int domain;
@@ -103,6 +104,16 @@
 	  : : "r" (val) : "memory");
 	isb();
 }
+#else
+static inline unsigned int get_domain(void)
+{
+	return 0;
+}
+
+static inline void set_domain(unsigned val)
+{
+}
+#endif
 
 #ifdef CONFIG_CPU_USE_DOMAINS
 #define modify_domain(dom,type)					\
diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S
index 9b8c5a1..fb1a69e 100644
--- a/arch/arm/kernel/head-nommu.S
+++ b/arch/arm/kernel/head-nommu.S
@@ -236,7 +236,7 @@
 	mov	r0, #CONFIG_VECTORS_BASE	@ Cover from VECTORS_BASE
 	ldr	r5,=(MPU_AP_PL1RW_PL0NA | MPU_RGN_NORMAL)
 	/* Writing N to bits 5:1 (RSR_SZ) --> region size 2^N+1 */
-	mov	r6, #(((PAGE_SHIFT - 1) << MPU_RSR_SZ) | 1 << MPU_RSR_EN)
+	mov	r6, #(((2 * PAGE_SHIFT - 1) << MPU_RSR_SZ) | 1 << MPU_RSR_EN)
 
 	setup_region r0, r5, r6, MPU_DATA_SIDE	@ VECTORS_BASE, PL0 NA, enabled
 	beq	3f				@ Memory-map not unified
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index 58dbd5c..d6d4191 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -1004,7 +1004,7 @@
 	kvm_pfn_t pfn = *pfnp;
 	gfn_t gfn = *ipap >> PAGE_SHIFT;
 
-	if (PageTransCompound(pfn_to_page(pfn))) {
+	if (PageTransCompoundMap(pfn_to_page(pfn))) {
 		unsigned long mask;
 		/*
 		 * The address we faulted on is backed by a transparent huge
diff --git a/arch/arm/mach-davinci/board-mityomapl138.c b/arch/arm/mach-davinci/board-mityomapl138.c
index d97c588..bc4e63f 100644
--- a/arch/arm/mach-davinci/board-mityomapl138.c
+++ b/arch/arm/mach-davinci/board-mityomapl138.c
@@ -121,6 +121,11 @@
 	const char *partnum = NULL;
 	struct davinci_soc_info *soc_info = &davinci_soc_info;
 
+	if (!IS_BUILTIN(CONFIG_NVMEM)) {
+		pr_warn("Factory Config not available without CONFIG_NVMEM\n");
+		goto bad_config;
+	}
+
 	ret = nvmem_device_read(nvmem, 0, sizeof(factory_config),
 				&factory_config);
 	if (ret != sizeof(struct factory_config)) {
diff --git a/arch/arm/mach-davinci/common.c b/arch/arm/mach-davinci/common.c
index f55ef2e..742133b 100644
--- a/arch/arm/mach-davinci/common.c
+++ b/arch/arm/mach-davinci/common.c
@@ -33,6 +33,11 @@
 	char *mac_addr = davinci_soc_info.emac_pdata->mac_addr;
 	off_t offset = (off_t)context;
 
+	if (!IS_BUILTIN(CONFIG_NVMEM)) {
+		pr_warn("Cannot read MAC addr from EEPROM without CONFIG_NVMEM\n");
+		return;
+	}
+
 	/* Read MAC addr from EEPROM */
 	if (nvmem_device_read(nvmem, offset, ETH_ALEN, mac_addr) == ETH_ALEN)
 		pr_info("Read MAC addr from EEPROM: %pM\n", mac_addr);
diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c
index 7c21760..875a2ba 100644
--- a/arch/arm/mach-exynos/pm_domains.c
+++ b/arch/arm/mach-exynos/pm_domains.c
@@ -92,7 +92,7 @@
 			if (IS_ERR(pd->clk[i]))
 				break;
 
-			if (IS_ERR(pd->clk[i]))
+			if (IS_ERR(pd->pclk[i]))
 				continue; /* Skip on first power up */
 			if (clk_set_parent(pd->clk[i], pd->pclk[i]))
 				pr_err("%s: error setting parent to clock%d\n",
diff --git a/arch/arm/mach-socfpga/headsmp.S b/arch/arm/mach-socfpga/headsmp.S
index 5d94b7a..c160fa3 100644
--- a/arch/arm/mach-socfpga/headsmp.S
+++ b/arch/arm/mach-socfpga/headsmp.S
@@ -13,6 +13,7 @@
 #include <asm/assembler.h>
 
 	.arch	armv7-a
+	.arm
 
 ENTRY(secondary_trampoline)
 	/* CPU1 will always fetch from 0x0 when it is brought out of reset.
diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c
index 1dd1093..d5805e4 100644
--- a/arch/arm/mm/nommu.c
+++ b/arch/arm/mm/nommu.c
@@ -87,7 +87,6 @@
 /* MPU initialisation functions */
 void __init sanity_check_meminfo_mpu(void)
 {
-	int i;
 	phys_addr_t phys_offset = PHYS_OFFSET;
 	phys_addr_t aligned_region_size, specified_mem_size, rounded_mem_size;
 	struct memblock_region *reg;
@@ -110,11 +109,13 @@
 		} else {
 			/*
 			 * memblock auto merges contiguous blocks, remove
-			 * all blocks afterwards
+			 * all blocks afterwards in one go (we can't remove
+			 * blocks separately while iterating)
 			 */
 			pr_notice("Ignoring RAM after %pa, memory at %pa ignored\n",
-				  &mem_start, &reg->base);
-			memblock_remove(reg->base, reg->size);
+				  &mem_end, &reg->base);
+			memblock_remove(reg->base, 0 - reg->base);
+			break;
 		}
 	}
 
@@ -144,7 +145,7 @@
 		pr_warn("Truncating memory from %pa to %pa (MPU region constraints)",
 				&specified_mem_size, &aligned_region_size);
 		memblock_remove(mem_start + aligned_region_size,
-				specified_mem_size - aligned_round_size);
+				specified_mem_size - aligned_region_size);
 
 		mem_end = mem_start + aligned_region_size;
 	}
@@ -261,7 +262,7 @@
 		return;
 
 	region_err = mpu_setup_region(MPU_RAM_REGION, PHYS_OFFSET,
-					ilog2(meminfo.bank[0].size),
+					ilog2(memblock.memory.regions[0].size),
 					MPU_AP_PL1RW_PL0RW | MPU_RGN_NORMAL);
 	if (region_err) {
 		panic("MPU region initialization failure! %d", region_err);
@@ -285,7 +286,7 @@
 	 * some architectures which the DRAM is the exception vector to trap,
 	 * alloc_page breaks with error, although it is not NULL, but "0."
 	 */
-	memblock_reserve(CONFIG_VECTORS_BASE, PAGE_SIZE);
+	memblock_reserve(CONFIG_VECTORS_BASE, 2 * PAGE_SIZE);
 #else /* ifndef CONFIG_CPU_V7M */
 	/*
 	 * There is no dedicated vector page on V7-M. So nothing needs to be
diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
index a7315eb..706d242 100644
--- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
@@ -120,7 +120,6 @@
 		compatible = "fixed-clock";
 		#clock-cells = <0>;
 		clock-frequency = <0>;
-		status = "disabled";
 	};
 
 	soc {
diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
index c976ebf..57b4836 100644
--- a/arch/parisc/kernel/syscall.S
+++ b/arch/parisc/kernel/syscall.S
@@ -344,7 +344,7 @@
 #endif
 
 	cmpib,COND(=),n -1,%r20,tracesys_exit /* seccomp may have returned -1 */
-	comiclr,>>=	__NR_Linux_syscalls, %r20, %r0
+	comiclr,>>	__NR_Linux_syscalls, %r20, %r0
 	b,n	.Ltracesys_nosys
 
 	LDREGX  %r20(%r19), %r19
diff --git a/arch/powerpc/include/asm/word-at-a-time.h b/arch/powerpc/include/asm/word-at-a-time.h
index e4396a7..4afe66a 100644
--- a/arch/powerpc/include/asm/word-at-a-time.h
+++ b/arch/powerpc/include/asm/word-at-a-time.h
@@ -82,7 +82,7 @@
 	    "andc	%1,%1,%2\n\t"
 	    "popcntd	%0,%1"
 		: "=r" (leading_zero_bits), "=&r" (trailing_zero_bit_mask)
-		: "r" (bits));
+		: "b" (bits));
 
 	return leading_zero_bits;
 }
diff --git a/arch/sparc/configs/sparc32_defconfig b/arch/sparc/configs/sparc32_defconfig
index fb23fd6b..c74d370 100644
--- a/arch/sparc/configs/sparc32_defconfig
+++ b/arch/sparc/configs/sparc32_defconfig
@@ -24,7 +24,6 @@
 CONFIG_INET_ESP=y
 CONFIG_INET_IPCOMP=y
 # CONFIG_INET_LRO is not set
-CONFIG_IPV6_PRIVACY=y
 CONFIG_INET6_AH=m
 CONFIG_INET6_ESP=m
 CONFIG_INET6_IPCOMP=m
diff --git a/arch/sparc/configs/sparc64_defconfig b/arch/sparc/configs/sparc64_defconfig
index 04920ab..3583d67 100644
--- a/arch/sparc/configs/sparc64_defconfig
+++ b/arch/sparc/configs/sparc64_defconfig
@@ -48,7 +48,6 @@
 CONFIG_INET_AH=y
 CONFIG_INET_ESP=y
 CONFIG_INET_IPCOMP=y
-CONFIG_IPV6_PRIVACY=y
 CONFIG_IPV6_ROUTER_PREF=y
 CONFIG_IPV6_ROUTE_INFO=y
 CONFIG_IPV6_OPTIMISTIC_DAD=y
diff --git a/arch/sparc/include/asm/spitfire.h b/arch/sparc/include/asm/spitfire.h
index 56f9338..1d8321c 100644
--- a/arch/sparc/include/asm/spitfire.h
+++ b/arch/sparc/include/asm/spitfire.h
@@ -48,6 +48,7 @@
 #define SUN4V_CHIP_SPARC_M6	0x06
 #define SUN4V_CHIP_SPARC_M7	0x07
 #define SUN4V_CHIP_SPARC64X	0x8a
+#define SUN4V_CHIP_SPARC_SN	0x8b
 #define SUN4V_CHIP_UNKNOWN	0xff
 
 #ifndef __ASSEMBLY__
diff --git a/arch/sparc/include/uapi/asm/unistd.h b/arch/sparc/include/uapi/asm/unistd.h
index b6de8b1..36eee81 100644
--- a/arch/sparc/include/uapi/asm/unistd.h
+++ b/arch/sparc/include/uapi/asm/unistd.h
@@ -423,8 +423,10 @@
 #define __NR_setsockopt		355
 #define __NR_mlock2		356
 #define __NR_copy_file_range	357
+#define __NR_preadv2		358
+#define __NR_pwritev2		359
 
-#define NR_syscalls		358
+#define NR_syscalls		360
 
 /* Bitmask values returned from kern_features system call.  */
 #define KERN_FEATURE_MIXED_MODE_STACK	0x00000001
diff --git a/arch/sparc/kernel/cherrs.S b/arch/sparc/kernel/cherrs.S
index 4ee1ad4..655628de 100644
--- a/arch/sparc/kernel/cherrs.S
+++ b/arch/sparc/kernel/cherrs.S
@@ -214,8 +214,7 @@
 	subcc		%g1, %g2, %g1		! Next cacheline
 	bge,pt		%icc, 1b
 	 nop
-	ba,pt		%xcc, dcpe_icpe_tl1_common
-	 nop
+	ba,a,pt		%xcc, dcpe_icpe_tl1_common
 
 do_dcpe_tl1_fatal:
 	sethi		%hi(1f), %g7
@@ -224,8 +223,7 @@
 	mov		0x2, %o0
 	call		cheetah_plus_parity_error
 	 add		%sp, PTREGS_OFF, %o1
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 	.size		do_dcpe_tl1,.-do_dcpe_tl1
 
 	.globl		do_icpe_tl1
@@ -259,8 +257,7 @@
 	subcc		%g1, %g2, %g1
 	bge,pt		%icc, 1b
 	 nop
-	ba,pt		%xcc, dcpe_icpe_tl1_common
-	 nop
+	ba,a,pt		%xcc, dcpe_icpe_tl1_common
 
 do_icpe_tl1_fatal:
 	sethi		%hi(1f), %g7
@@ -269,8 +266,7 @@
 	mov		0x3, %o0
 	call		cheetah_plus_parity_error
 	 add		%sp, PTREGS_OFF, %o1
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 	.size		do_icpe_tl1,.-do_icpe_tl1
 	
 	.type		dcpe_icpe_tl1_common,#function
@@ -456,7 +452,7 @@
 	 cmp		%g2, 0x63
 	be		c_cee
 	 nop
-	ba,pt		%xcc, c_deferred
+	ba,a,pt		%xcc, c_deferred
 	.size		__cheetah_log_error,.-__cheetah_log_error
 
 	/* Cheetah FECC trap handling, we get here from tl{0,1}_fecc
diff --git a/arch/sparc/kernel/cpu.c b/arch/sparc/kernel/cpu.c
index dfad8b1..493e023 100644
--- a/arch/sparc/kernel/cpu.c
+++ b/arch/sparc/kernel/cpu.c
@@ -506,6 +506,12 @@
 		sparc_pmu_type = "sparc-m7";
 		break;
 
+	case SUN4V_CHIP_SPARC_SN:
+		sparc_cpu_type = "SPARC-SN";
+		sparc_fpu_type = "SPARC-SN integrated FPU";
+		sparc_pmu_type = "sparc-sn";
+		break;
+
 	case SUN4V_CHIP_SPARC64X:
 		sparc_cpu_type = "SPARC64-X";
 		sparc_fpu_type = "SPARC64-X integrated FPU";
diff --git a/arch/sparc/kernel/cpumap.c b/arch/sparc/kernel/cpumap.c
index e69ec0e..45c820e 100644
--- a/arch/sparc/kernel/cpumap.c
+++ b/arch/sparc/kernel/cpumap.c
@@ -328,6 +328,7 @@
 	case SUN4V_CHIP_NIAGARA5:
 	case SUN4V_CHIP_SPARC_M6:
 	case SUN4V_CHIP_SPARC_M7:
+	case SUN4V_CHIP_SPARC_SN:
 	case SUN4V_CHIP_SPARC64X:
 		rover_inc_table = niagara_iterate_method;
 		break;
diff --git a/arch/sparc/kernel/fpu_traps.S b/arch/sparc/kernel/fpu_traps.S
index a686482..336d275 100644
--- a/arch/sparc/kernel/fpu_traps.S
+++ b/arch/sparc/kernel/fpu_traps.S
@@ -100,8 +100,8 @@
 	fmuld		%f0, %f2, %f26
 	faddd		%f0, %f2, %f28
 	fmuld		%f0, %f2, %f30
-	b,pt		%xcc, fpdis_exit
-	 nop
+	ba,a,pt		%xcc, fpdis_exit
+
 2:	andcc		%g5, FPRS_DU, %g0
 	bne,pt		%icc, 3f
 	 fzero		%f32
@@ -144,8 +144,8 @@
 	fmuld		%f32, %f34, %f58
 	faddd		%f32, %f34, %f60
 	fmuld		%f32, %f34, %f62
-	ba,pt		%xcc, fpdis_exit
-	 nop
+	ba,a,pt		%xcc, fpdis_exit
+
 3:	mov		SECONDARY_CONTEXT, %g3
 	add		%g6, TI_FPREGS, %g1
 
@@ -197,8 +197,7 @@
 fp_other_bounce:
 	call		do_fpother
 	 add		%sp, PTREGS_OFF, %o0
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 	.size		fp_other_bounce,.-fp_other_bounce
 
 	.align		32
diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S
index cd1f592..a076b42 100644
--- a/arch/sparc/kernel/head_64.S
+++ b/arch/sparc/kernel/head_64.S
@@ -414,6 +414,8 @@
 	cmp	%g2, 'T'
 	be,pt	%xcc, 70f
 	 cmp	%g2, 'M'
+	be,pt	%xcc, 70f
+	 cmp	%g2, 'S'
 	bne,pn	%xcc, 49f
 	 nop
 
@@ -433,6 +435,9 @@
 	cmp	%g2, '7'
 	be,pt	%xcc, 5f
 	 mov	SUN4V_CHIP_SPARC_M7, %g4
+	cmp	%g2, 'N'
+	be,pt	%xcc, 5f
+	 mov	SUN4V_CHIP_SPARC_SN, %g4
 	ba,pt	%xcc, 49f
 	 nop
 
@@ -461,9 +466,8 @@
 	subcc	%g3, 1, %g3
 	bne,pt	%xcc, 41b
 	add	%g1, 1, %g1
-	mov	SUN4V_CHIP_SPARC64X, %g4
 	ba,pt	%xcc, 5f
-	nop
+	 mov	SUN4V_CHIP_SPARC64X, %g4
 
 49:
 	mov	SUN4V_CHIP_UNKNOWN, %g4
@@ -548,8 +552,7 @@
 	stxa		%g0, [%g7] ASI_DMMU
 	membar	#Sync
 
-	ba,pt		%xcc, sun4u_continue
-	 nop
+	ba,a,pt		%xcc, sun4u_continue
 
 sun4v_init:
 	/* Set ctx 0 */
@@ -560,14 +563,12 @@
 	mov		SECONDARY_CONTEXT, %g7
 	stxa		%g0, [%g7] ASI_MMU
 	membar		#Sync
-	ba,pt		%xcc, niagara_tlb_fixup
-	 nop
+	ba,a,pt		%xcc, niagara_tlb_fixup
 
 sun4u_continue:
 	BRANCH_IF_ANY_CHEETAH(g1, g7, cheetah_tlb_fixup)
 
-	ba,pt	%xcc, spitfire_tlb_fixup
-	 nop
+	ba,a,pt	%xcc, spitfire_tlb_fixup
 
 niagara_tlb_fixup:
 	mov	3, %g2		/* Set TLB type to hypervisor. */
@@ -597,6 +598,9 @@
 	cmp	%g1, SUN4V_CHIP_SPARC_M7
 	be,pt	%xcc, niagara4_patch
 	 nop
+	cmp	%g1, SUN4V_CHIP_SPARC_SN
+	be,pt	%xcc, niagara4_patch
+	 nop
 
 	call	generic_patch_copyops
 	 nop
@@ -639,8 +643,7 @@
 	call	hypervisor_patch_cachetlbops
 	 nop
 
-	ba,pt	%xcc, tlb_fixup_done
-	 nop
+	ba,a,pt	%xcc, tlb_fixup_done
 
 cheetah_tlb_fixup:
 	mov	2, %g2		/* Set TLB type to cheetah+. */
@@ -659,8 +662,7 @@
 	call	cheetah_patch_cachetlbops
 	 nop
 
-	ba,pt	%xcc, tlb_fixup_done
-	 nop
+	ba,a,pt	%xcc, tlb_fixup_done
 
 spitfire_tlb_fixup:
 	/* Set TLB type to spitfire. */
@@ -774,8 +776,7 @@
 	call	%o1
 	 add	%sp, (2047 + 128), %o0
 
-	ba,pt	%xcc, 2f
-	 nop
+	ba,a,pt	%xcc, 2f
 
 1:	sethi	%hi(sparc64_ttable_tl0), %o0
 	set	prom_set_trap_table_name, %g2
@@ -814,8 +815,7 @@
 
 	BRANCH_IF_ANY_CHEETAH(o2, o3, 1f)
 
-	ba,pt	%xcc, 2f
-	 nop
+	ba,a,pt	%xcc, 2f
 
 	/* Disable STICK_INT interrupts. */
 1:
diff --git a/arch/sparc/kernel/misctrap.S b/arch/sparc/kernel/misctrap.S
index 753b4f0..34b4933 100644
--- a/arch/sparc/kernel/misctrap.S
+++ b/arch/sparc/kernel/misctrap.S
@@ -18,8 +18,7 @@
 109:	or		%g7, %lo(109b), %g7
 	call		do_privact
 	 add		%sp, PTREGS_OFF, %o0
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 	.size		__do_privact,.-__do_privact
 
 	.type		do_mna,#function
@@ -46,8 +45,7 @@
 	mov		%l5, %o2
 	call		mem_address_unaligned
 	 add		%sp, PTREGS_OFF, %o0
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 	.size		do_mna,.-do_mna
 
 	.type		do_lddfmna,#function
@@ -65,8 +63,7 @@
 	mov		%l5, %o2
 	call		handle_lddfmna
 	 add		%sp, PTREGS_OFF, %o0
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 	.size		do_lddfmna,.-do_lddfmna
 
 	.type		do_stdfmna,#function
@@ -84,8 +81,7 @@
 	mov		%l5, %o2
 	call		handle_stdfmna
 	 add		%sp, PTREGS_OFF, %o0
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 	.size		do_stdfmna,.-do_stdfmna
 
 	.type		breakpoint_trap,#function
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index badf095..c2b202d 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -245,6 +245,18 @@
 	}
 }
 
+static void pci_init_dev_archdata(struct dev_archdata *sd, void *iommu,
+				  void *stc, void *host_controller,
+				  struct platform_device  *op,
+				  int numa_node)
+{
+	sd->iommu = iommu;
+	sd->stc = stc;
+	sd->host_controller = host_controller;
+	sd->op = op;
+	sd->numa_node = numa_node;
+}
+
 static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm,
 					 struct device_node *node,
 					 struct pci_bus *bus, int devfn)
@@ -259,13 +271,10 @@
 	if (!dev)
 		return NULL;
 
+	op = of_find_device_by_node(node);
 	sd = &dev->dev.archdata;
-	sd->iommu = pbm->iommu;
-	sd->stc = &pbm->stc;
-	sd->host_controller = pbm;
-	sd->op = op = of_find_device_by_node(node);
-	sd->numa_node = pbm->numa_node;
-
+	pci_init_dev_archdata(sd, pbm->iommu, &pbm->stc, pbm, op,
+			      pbm->numa_node);
 	sd = &op->dev.archdata;
 	sd->iommu = pbm->iommu;
 	sd->stc = &pbm->stc;
@@ -994,6 +1003,27 @@
 	/* No special bus mastering setup handling */
 }
 
+#ifdef CONFIG_PCI_IOV
+int pcibios_add_device(struct pci_dev *dev)
+{
+	struct pci_dev *pdev;
+
+	/* Add sriov arch specific initialization here.
+	 * Copy dev_archdata from PF to VF
+	 */
+	if (dev->is_virtfn) {
+		struct dev_archdata *psd;
+
+		pdev = dev->physfn;
+		psd = &pdev->dev.archdata;
+		pci_init_dev_archdata(&dev->dev.archdata, psd->iommu,
+				      psd->stc, psd->host_controller, NULL,
+				      psd->numa_node);
+	}
+	return 0;
+}
+#endif /* CONFIG_PCI_IOV */
+
 static int __init pcibios_init(void)
 {
 	pci_dfl_cache_line_size = 64 >> 2;
diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c
index 26db95b..599f120 100644
--- a/arch/sparc/kernel/setup_64.c
+++ b/arch/sparc/kernel/setup_64.c
@@ -285,7 +285,8 @@
 
 	sun4v_patch_2insn_range(&__sun4v_2insn_patch,
 				&__sun4v_2insn_patch_end);
-	if (sun4v_chip_type == SUN4V_CHIP_SPARC_M7)
+	if (sun4v_chip_type == SUN4V_CHIP_SPARC_M7 ||
+	    sun4v_chip_type == SUN4V_CHIP_SPARC_SN)
 		sun_m7_patch_2insn_range(&__sun_m7_2insn_patch,
 					 &__sun_m7_2insn_patch_end);
 
@@ -524,6 +525,7 @@
 		    sun4v_chip_type == SUN4V_CHIP_NIAGARA5 ||
 		    sun4v_chip_type == SUN4V_CHIP_SPARC_M6 ||
 		    sun4v_chip_type == SUN4V_CHIP_SPARC_M7 ||
+		    sun4v_chip_type == SUN4V_CHIP_SPARC_SN ||
 		    sun4v_chip_type == SUN4V_CHIP_SPARC64X)
 			cap |= HWCAP_SPARC_BLKINIT;
 		if (sun4v_chip_type == SUN4V_CHIP_NIAGARA2 ||
@@ -532,6 +534,7 @@
 		    sun4v_chip_type == SUN4V_CHIP_NIAGARA5 ||
 		    sun4v_chip_type == SUN4V_CHIP_SPARC_M6 ||
 		    sun4v_chip_type == SUN4V_CHIP_SPARC_M7 ||
+		    sun4v_chip_type == SUN4V_CHIP_SPARC_SN ||
 		    sun4v_chip_type == SUN4V_CHIP_SPARC64X)
 			cap |= HWCAP_SPARC_N2;
 	}
@@ -561,6 +564,7 @@
 			    sun4v_chip_type == SUN4V_CHIP_NIAGARA5 ||
 			    sun4v_chip_type == SUN4V_CHIP_SPARC_M6 ||
 			    sun4v_chip_type == SUN4V_CHIP_SPARC_M7 ||
+			    sun4v_chip_type == SUN4V_CHIP_SPARC_SN ||
 			    sun4v_chip_type == SUN4V_CHIP_SPARC64X)
 				cap |= (AV_SPARC_VIS | AV_SPARC_VIS2 |
 					AV_SPARC_ASI_BLK_INIT |
@@ -570,6 +574,7 @@
 			    sun4v_chip_type == SUN4V_CHIP_NIAGARA5 ||
 			    sun4v_chip_type == SUN4V_CHIP_SPARC_M6 ||
 			    sun4v_chip_type == SUN4V_CHIP_SPARC_M7 ||
+			    sun4v_chip_type == SUN4V_CHIP_SPARC_SN ||
 			    sun4v_chip_type == SUN4V_CHIP_SPARC64X)
 				cap |= (AV_SPARC_VIS3 | AV_SPARC_HPC |
 					AV_SPARC_FMAF);
diff --git a/arch/sparc/kernel/spiterrs.S b/arch/sparc/kernel/spiterrs.S
index c357e40..4a73009 100644
--- a/arch/sparc/kernel/spiterrs.S
+++ b/arch/sparc/kernel/spiterrs.S
@@ -85,8 +85,7 @@
 	ba,pt		%xcc, etraptl1
 	 rd		%pc, %g7
 
-	ba,pt		%xcc, 2f
-	 nop
+	ba,a,pt		%xcc, 2f
 
 1:	ba,pt		%xcc, etrap_irq
 	 rd		%pc, %g7
@@ -100,8 +99,7 @@
 	mov		%l5, %o2
 	call		spitfire_access_error
 	 add		%sp, PTREGS_OFF, %o0
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 	.size		__spitfire_access_error,.-__spitfire_access_error
 
 	/* This is the trap handler entry point for ECC correctable
@@ -179,8 +177,7 @@
 	mov		%l5, %o2
 	call		spitfire_data_access_exception_tl1
 	 add		%sp, PTREGS_OFF, %o0
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 	.size		__spitfire_data_access_exception_tl1,.-__spitfire_data_access_exception_tl1
 
 	.type		__spitfire_data_access_exception,#function
@@ -200,8 +197,7 @@
 	mov		%l5, %o2
 	call		spitfire_data_access_exception
 	 add		%sp, PTREGS_OFF, %o0
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 	.size		__spitfire_data_access_exception,.-__spitfire_data_access_exception
 
 	.type		__spitfire_insn_access_exception_tl1,#function
@@ -220,8 +216,7 @@
 	mov		%l5, %o2
 	call		spitfire_insn_access_exception_tl1
 	 add		%sp, PTREGS_OFF, %o0
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 	.size		__spitfire_insn_access_exception_tl1,.-__spitfire_insn_access_exception_tl1
 
 	.type		__spitfire_insn_access_exception,#function
@@ -240,6 +235,5 @@
 	mov		%l5, %o2
 	call		spitfire_insn_access_exception
 	 add		%sp, PTREGS_OFF, %o0
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 	.size		__spitfire_insn_access_exception,.-__spitfire_insn_access_exception
diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S
index 6c3dd6c..eac7f0d 100644
--- a/arch/sparc/kernel/systbls_32.S
+++ b/arch/sparc/kernel/systbls_32.S
@@ -88,4 +88,4 @@
 /*340*/	.long sys_ni_syscall, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
 /*345*/	.long sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf
 /*350*/	.long sys_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen
-/*355*/	.long sys_setsockopt, sys_mlock2, sys_copy_file_range
+/*355*/	.long sys_setsockopt, sys_mlock2, sys_copy_file_range, sys_preadv2, sys_pwritev2
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index 12b524c..b0f17ff 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -89,7 +89,7 @@
 /*340*/	.word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
 	.word sys32_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf
 /*350*/	.word sys32_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen
-	.word compat_sys_setsockopt, sys_mlock2, sys_copy_file_range
+	.word compat_sys_setsockopt, sys_mlock2, sys_copy_file_range, compat_sys_preadv2, compat_sys_pwritev2
 
 #endif /* CONFIG_COMPAT */
 
@@ -170,4 +170,4 @@
 /*340*/	.word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
 	.word sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf
 /*350*/	.word sys64_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen
-	.word sys_setsockopt, sys_mlock2, sys_copy_file_range
+	.word sys_setsockopt, sys_mlock2, sys_copy_file_range, sys_preadv2, sys_pwritev2
diff --git a/arch/sparc/kernel/utrap.S b/arch/sparc/kernel/utrap.S
index b7f0f3f..c731e80 100644
--- a/arch/sparc/kernel/utrap.S
+++ b/arch/sparc/kernel/utrap.S
@@ -11,8 +11,7 @@
 	mov		%l4, %o1
         call		bad_trap
 	 add		%sp, PTREGS_OFF, %o0
-	ba,pt		%xcc, rtrap
-	 nop
+	ba,a,pt		%xcc, rtrap
 
 invoke_utrap:
 	sllx		%g3, 3, %g3
diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c
index cb5789c..f6bb857 100644
--- a/arch/sparc/kernel/vio.c
+++ b/arch/sparc/kernel/vio.c
@@ -45,6 +45,14 @@
 	return NULL;
 }
 
+static int vio_hotplug(struct device *dev, struct kobj_uevent_env *env)
+{
+	const struct vio_dev *vio_dev = to_vio_dev(dev);
+
+	add_uevent_var(env, "MODALIAS=vio:T%sS%s", vio_dev->type, vio_dev->compat);
+	return 0;
+}
+
 static int vio_bus_match(struct device *dev, struct device_driver *drv)
 {
 	struct vio_dev *vio_dev = to_vio_dev(dev);
@@ -105,15 +113,25 @@
 	return sprintf(buf, "%s\n", vdev->type);
 }
 
+static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
+			     char *buf)
+{
+	const struct vio_dev *vdev = to_vio_dev(dev);
+
+	return sprintf(buf, "vio:T%sS%s\n", vdev->type, vdev->compat);
+}
+
 static struct device_attribute vio_dev_attrs[] = {
 	__ATTR_RO(devspec),
 	__ATTR_RO(type),
+	__ATTR_RO(modalias),
 	__ATTR_NULL
 };
 
 static struct bus_type vio_bus_type = {
 	.name		= "vio",
 	.dev_attrs	= vio_dev_attrs,
+	.uevent         = vio_hotplug,
 	.match		= vio_bus_match,
 	.probe		= vio_device_probe,
 	.remove		= vio_device_remove,
diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S
index aadd321..7d02b1f 100644
--- a/arch/sparc/kernel/vmlinux.lds.S
+++ b/arch/sparc/kernel/vmlinux.lds.S
@@ -33,6 +33,10 @@
 jiffies = jiffies_64;
 #endif
 
+#ifdef CONFIG_SPARC64
+ASSERT((swapper_tsb == 0x0000000000408000), "Error: sparc64 early assembler too large")
+#endif
+
 SECTIONS
 {
 #ifdef CONFIG_SPARC64
diff --git a/arch/sparc/kernel/winfixup.S b/arch/sparc/kernel/winfixup.S
index 1e67ce9..855019a 100644
--- a/arch/sparc/kernel/winfixup.S
+++ b/arch/sparc/kernel/winfixup.S
@@ -32,8 +32,7 @@
 	 rd	%pc, %g7
 	call	do_sparc64_fault
 	 add	%sp, PTREGS_OFF, %o0
-	ba,pt	%xcc, rtrap
-	 nop
+	ba,a,pt	%xcc, rtrap
 
 	/* Be very careful about usage of the trap globals here.
 	 * You cannot touch %g5 as that has the fault information.
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 1cfe6aa..09e8388 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -1769,6 +1769,7 @@
 			max_phys_bits = 47;
 			break;
 		case SUN4V_CHIP_SPARC_M7:
+		case SUN4V_CHIP_SPARC_SN:
 		default:
 			/* M7 and later support 52-bit virtual addresses.  */
 			sparc64_va_hole_top =    0xfff8000000000000UL;
@@ -1986,6 +1987,7 @@
 	 */
 	switch (sun4v_chip_type) {
 	case SUN4V_CHIP_SPARC_M7:
+	case SUN4V_CHIP_SPARC_SN:
 		pagecv_flag = 0x00;
 		break;
 	default:
@@ -2138,6 +2140,7 @@
 	 */
 	switch (sun4v_chip_type) {
 	case SUN4V_CHIP_SPARC_M7:
+	case SUN4V_CHIP_SPARC_SN:
 		page_cache4v_flag = _PAGE_CP_4V;
 		break;
 	default:
diff --git a/arch/x86/events/amd/iommu.c b/arch/x86/events/amd/iommu.c
index 40625ca..6011a57 100644
--- a/arch/x86/events/amd/iommu.c
+++ b/arch/x86/events/amd/iommu.c
@@ -474,6 +474,7 @@
 
 static struct perf_amd_iommu __perf_iommu = {
 	.pmu = {
+		.task_ctx_nr    = perf_invalid_context,
 		.event_init	= perf_iommu_event_init,
 		.add		= perf_iommu_add,
 		.del		= perf_iommu_del,
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index aff7988..a6fd4db 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -3637,6 +3637,8 @@
 		pr_cont("Knights Landing events, ");
 		break;
 
+	case 142: /* 14nm Kabylake Mobile */
+	case 158: /* 14nm Kabylake Desktop */
 	case 78: /* 14nm Skylake Mobile */
 	case 94: /* 14nm Skylake Desktop */
 	case 85: /* 14nm Skylake Server */
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index 8f4942e..d7ce96a 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -891,9 +891,7 @@
 	}
 	pr_info("UV: Found %s hub\n", hub);
 
-	/* We now only need to map the MMRs on UV1 */
-	if (is_uv1_hub())
-		map_low_mmrs();
+	map_low_mmrs();
 
 	m_n_config.v = uv_read_local_mmr(UVH_RH_GAM_CONFIG_MMR );
 	m_val = m_n_config.s.m_skt;
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 2367ae0..c4e7b39 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -398,6 +398,11 @@
 
 	memblock_free(ramdisk_image, ramdisk_end - ramdisk_image);
 }
+
+static void __init early_initrd_acpi_init(void)
+{
+	early_acpi_table_init((void *)initrd_start, initrd_end - initrd_start);
+}
 #else
 static void __init early_reserve_initrd(void)
 {
@@ -405,6 +410,9 @@
 static void __init reserve_initrd(void)
 {
 }
+static void __init early_initrd_acpi_init(void)
+{
+}
 #endif /* CONFIG_BLK_DEV_INITRD */
 
 static void __init parse_setup_data(void)
@@ -1138,9 +1146,7 @@
 
 	reserve_initrd();
 
-#if defined(CONFIG_ACPI) && defined(CONFIG_BLK_DEV_INITRD)
-	acpi_initrd_override((void *)initrd_start, initrd_end - initrd_start);
-#endif
+	early_initrd_acpi_init();
 
 	vsmp_init();
 
diff --git a/arch/x86/kernel/sysfb_efi.c b/arch/x86/kernel/sysfb_efi.c
index b285d4e..5da924b 100644
--- a/arch/x86/kernel/sysfb_efi.c
+++ b/arch/x86/kernel/sysfb_efi.c
@@ -106,14 +106,24 @@
 					continue;
 				for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
 					resource_size_t start, end;
+					unsigned long flags;
+
+					flags = pci_resource_flags(dev, i);
+					if (!(flags & IORESOURCE_MEM))
+						continue;
+
+					if (flags & IORESOURCE_UNSET)
+						continue;
+
+					if (pci_resource_len(dev, i) == 0)
+						continue;
 
 					start = pci_resource_start(dev, i);
-					if (start == 0)
-						break;
 					end = pci_resource_end(dev, i);
 					if (screen_info.lfb_base >= start &&
 					    screen_info.lfb_base < end) {
 						found_bar = 1;
+						break;
 					}
 				}
 			}
diff --git a/arch/x86/kernel/tsc_msr.c b/arch/x86/kernel/tsc_msr.c
index 92ae6ac..6aa0f4d 100644
--- a/arch/x86/kernel/tsc_msr.c
+++ b/arch/x86/kernel/tsc_msr.c
@@ -92,7 +92,7 @@
 
 	if (freq_desc_tables[cpu_index].msr_plat) {
 		rdmsr(MSR_PLATFORM_INFO, lo, hi);
-		ratio = (lo >> 8) & 0x1f;
+		ratio = (lo >> 8) & 0xff;
 	} else {
 		rdmsr(MSR_IA32_PERF_STATUS, lo, hi);
 		ratio = (hi >> 8) & 0x1f;
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 1ff4dbb..b6f50e8 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2823,7 +2823,7 @@
 	 */
 	if (!is_error_noslot_pfn(pfn) && !kvm_is_reserved_pfn(pfn) &&
 	    level == PT_PAGE_TABLE_LEVEL &&
-	    PageTransCompound(pfn_to_page(pfn)) &&
+	    PageTransCompoundMap(pfn_to_page(pfn)) &&
 	    !mmu_gfn_lpage_is_disallowed(vcpu, gfn, PT_DIRECTORY_LEVEL)) {
 		unsigned long mask;
 		/*
@@ -4785,7 +4785,7 @@
 		 */
 		if (sp->role.direct &&
 			!kvm_is_reserved_pfn(pfn) &&
-			PageTransCompound(pfn_to_page(pfn))) {
+			PageTransCompoundMap(pfn_to_page(pfn))) {
 			drop_spte(kvm, sptep);
 			need_tlb_flush = 1;
 			goto restart;
diff --git a/arch/x86/platform/efi/efi-bgrt.c b/arch/x86/platform/efi/efi-bgrt.c
index a243381..6a2f569 100644
--- a/arch/x86/platform/efi/efi-bgrt.c
+++ b/arch/x86/platform/efi/efi-bgrt.c
@@ -43,40 +43,40 @@
 		return;
 
 	if (bgrt_tab->header.length < sizeof(*bgrt_tab)) {
-		pr_err("Ignoring BGRT: invalid length %u (expected %zu)\n",
+		pr_notice("Ignoring BGRT: invalid length %u (expected %zu)\n",
 		       bgrt_tab->header.length, sizeof(*bgrt_tab));
 		return;
 	}
 	if (bgrt_tab->version != 1) {
-		pr_err("Ignoring BGRT: invalid version %u (expected 1)\n",
+		pr_notice("Ignoring BGRT: invalid version %u (expected 1)\n",
 		       bgrt_tab->version);
 		return;
 	}
 	if (bgrt_tab->status & 0xfe) {
-		pr_err("Ignoring BGRT: reserved status bits are non-zero %u\n",
+		pr_notice("Ignoring BGRT: reserved status bits are non-zero %u\n",
 		       bgrt_tab->status);
 		return;
 	}
 	if (bgrt_tab->image_type != 0) {
-		pr_err("Ignoring BGRT: invalid image type %u (expected 0)\n",
+		pr_notice("Ignoring BGRT: invalid image type %u (expected 0)\n",
 		       bgrt_tab->image_type);
 		return;
 	}
 	if (!bgrt_tab->image_address) {
-		pr_err("Ignoring BGRT: null image address\n");
+		pr_notice("Ignoring BGRT: null image address\n");
 		return;
 	}
 
 	image = memremap(bgrt_tab->image_address, sizeof(bmp_header), MEMREMAP_WB);
 	if (!image) {
-		pr_err("Ignoring BGRT: failed to map image header memory\n");
+		pr_notice("Ignoring BGRT: failed to map image header memory\n");
 		return;
 	}
 
 	memcpy(&bmp_header, image, sizeof(bmp_header));
 	memunmap(image);
 	if (bmp_header.id != 0x4d42) {
-		pr_err("Ignoring BGRT: Incorrect BMP magic number 0x%x (expected 0x4d42)\n",
+		pr_notice("Ignoring BGRT: Incorrect BMP magic number 0x%x (expected 0x4d42)\n",
 			bmp_header.id);
 		return;
 	}
@@ -84,14 +84,14 @@
 
 	bgrt_image = kmalloc(bgrt_image_size, GFP_KERNEL | __GFP_NOWARN);
 	if (!bgrt_image) {
-		pr_err("Ignoring BGRT: failed to allocate memory for image (wanted %zu bytes)\n",
+		pr_notice("Ignoring BGRT: failed to allocate memory for image (wanted %zu bytes)\n",
 		       bgrt_image_size);
 		return;
 	}
 
 	image = memremap(bgrt_tab->image_address, bmp_header.size, MEMREMAP_WB);
 	if (!image) {
-		pr_err("Ignoring BGRT: failed to map image memory\n");
+		pr_notice("Ignoring BGRT: failed to map image memory\n");
 		kfree(bgrt_image);
 		bgrt_image = NULL;
 		return;
diff --git a/arch/x86/platform/efi/quirks.c b/arch/x86/platform/efi/quirks.c
index ab50ada..818d12a 100644
--- a/arch/x86/platform/efi/quirks.c
+++ b/arch/x86/platform/efi/quirks.c
@@ -373,5 +373,5 @@
 
 bool efi_poweroff_required(void)
 {
-	return !!acpi_gbl_reduced_hardware;
+	return acpi_gbl_reduced_hardware || acpi_no_s5;
 }
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 82b96ee..b225c4b 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -311,12 +311,12 @@
 	bool
 	default ACPI_CUSTOM_DSDT_FILE != ""
 
-config ACPI_INITRD_TABLE_OVERRIDE
-	bool "ACPI tables override via initrd"
+config ACPI_TABLE_UPGRADE
+	bool "Allow upgrading ACPI tables via initrd"
 	depends on BLK_DEV_INITRD && X86
-	default n
+	default y
 	help
-	  This option provides functionality to override arbitrary ACPI tables
+	  This option provides functionality to upgrade arbitrary ACPI tables
 	  via initrd. No functional change if no ACPI tables are passed via
 	  initrd, therefore it's safe to say Y.
 	  See Documentation/acpi/initrd_table_override.txt for details
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index 345df7f..251ce85 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -47,6 +47,7 @@
 acpi-y				+= int340x_thermal.o
 acpi-y				+= power.o
 acpi-y				+= event.o
+acpi-$(CONFIG_ACPI_REDUCED_HARDWARE_ONLY) += evged.o
 acpi-y				+= sysfs.o
 acpi-y				+= property.o
 acpi-$(CONFIG_X86)		+= acpi_cmos_rtc.o
diff --git a/drivers/acpi/acpi_amba.c b/drivers/acpi/acpi_amba.c
index 2a61b54..7f77c07 100644
--- a/drivers/acpi/acpi_amba.c
+++ b/drivers/acpi/acpi_amba.c
@@ -35,8 +35,7 @@
 	if (amba_dummy_clk)
 		return;
 
-	amba_dummy_clk = clk_register_fixed_rate(NULL, "apb_pclk", NULL,
-						CLK_IS_ROOT, 0);
+	amba_dummy_clk = clk_register_fixed_rate(NULL, "apb_pclk", NULL, 0, 0);
 	clk_register_clkdev(amba_dummy_clk, "apb_pclk", NULL);
 }
 
diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c
index f245bf3..1daf9c4 100644
--- a/drivers/acpi/acpi_apd.c
+++ b/drivers/acpi/acpi_apd.c
@@ -62,8 +62,7 @@
 	if (dev_desc->fixed_clk_rate) {
 		clk = clk_register_fixed_rate(&pdata->adev->dev,
 					dev_name(&pdata->adev->dev),
-					NULL, CLK_IS_ROOT,
-					dev_desc->fixed_clk_rate);
+					NULL, 0, dev_desc->fixed_clk_rate);
 		clk_register_clkdev(clk, NULL, dev_name(&pdata->adev->dev));
 		pdata->clk = clk;
 	}
diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index 4361bc9..3d5b8a0 100644
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -191,19 +191,6 @@
 	u8 _DDC:1;		/* Return the EDID for this device */
 };
 
-struct acpi_video_brightness_flags {
-	u8 _BCL_no_ac_battery_levels:1;	/* no AC/Battery levels in _BCL */
-	u8 _BCL_reversed:1;		/* _BCL package is in a reversed order */
-	u8 _BQC_use_index:1;		/* _BQC returns an index value */
-};
-
-struct acpi_video_device_brightness {
-	int curr;
-	int count;
-	int *levels;
-	struct acpi_video_brightness_flags flags;
-};
-
 struct acpi_video_device {
 	unsigned long device_id;
 	struct acpi_video_device_flags flags;
@@ -325,7 +312,7 @@
  */
 
 static int
-acpi_video_device_lcd_query_levels(struct acpi_video_device *device,
+acpi_video_device_lcd_query_levels(acpi_handle handle,
 				   union acpi_object **levels)
 {
 	int status;
@@ -335,7 +322,7 @@
 
 	*levels = NULL;
 
-	status = acpi_evaluate_object(device->dev->handle, "_BCL", NULL, &buffer);
+	status = acpi_evaluate_object(handle, "_BCL", NULL, &buffer);
 	if (!ACPI_SUCCESS(status))
 		return status;
 	obj = (union acpi_object *)buffer.pointer;
@@ -766,36 +753,28 @@
 	return 0;
 }
 
-
-/*
- *  Arg:
- *	device	: video output device (LCD, CRT, ..)
- *
- *  Return Value:
- *	Maximum brightness level
- *
- *  Allocate and initialize device->brightness.
- */
-
-static int
-acpi_video_init_brightness(struct acpi_video_device *device)
+int acpi_video_get_levels(struct acpi_device *device,
+			  struct acpi_video_device_brightness **dev_br)
 {
 	union acpi_object *obj = NULL;
 	int i, max_level = 0, count = 0, level_ac_battery = 0;
-	unsigned long long level, level_old;
 	union acpi_object *o;
 	struct acpi_video_device_brightness *br = NULL;
-	int result = -EINVAL;
+	int result = 0;
 	u32 value;
 
-	if (!ACPI_SUCCESS(acpi_video_device_lcd_query_levels(device, &obj))) {
+	if (!ACPI_SUCCESS(acpi_video_device_lcd_query_levels(device->handle,
+								&obj))) {
 		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Could not query available "
 						"LCD brightness level\n"));
+		result = -ENODEV;
 		goto out;
 	}
 
-	if (obj->package.count < 2)
+	if (obj->package.count < 2) {
+		result = -EINVAL;
 		goto out;
+	}
 
 	br = kzalloc(sizeof(*br), GFP_KERNEL);
 	if (!br) {
@@ -861,6 +840,38 @@
 			    "Found unordered _BCL package"));
 
 	br->count = count;
+	*dev_br = br;
+
+out:
+	kfree(obj);
+	return result;
+out_free:
+	kfree(br);
+	goto out;
+}
+EXPORT_SYMBOL(acpi_video_get_levels);
+
+/*
+ *  Arg:
+ *	device	: video output device (LCD, CRT, ..)
+ *
+ *  Return Value:
+ *	Maximum brightness level
+ *
+ *  Allocate and initialize device->brightness.
+ */
+
+static int
+acpi_video_init_brightness(struct acpi_video_device *device)
+{
+	int i, max_level = 0;
+	unsigned long long level, level_old;
+	struct acpi_video_device_brightness *br = NULL;
+	int result = -EINVAL;
+
+	result = acpi_video_get_levels(device->dev, &br);
+	if (result)
+		return result;
 	device->brightness = br;
 
 	/* _BQC uses INDEX while _BCL uses VALUE in some laptops */
@@ -903,17 +914,13 @@
 		goto out_free_levels;
 
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-			  "found %d brightness levels\n", count - 2));
-	kfree(obj);
-	return result;
+			  "found %d brightness levels\n", br->count - 2));
+	return 0;
 
 out_free_levels:
 	kfree(br->levels);
-out_free:
 	kfree(br);
-out:
 	device->brightness = NULL;
-	kfree(obj);
 	return result;
 }
 
diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile
index f682374..227bb7b 100644
--- a/drivers/acpi/acpica/Makefile
+++ b/drivers/acpi/acpica/Makefile
@@ -43,6 +43,7 @@
 	evxfregn.o
 
 acpi-y +=		\
+	exconcat.o	\
 	exconfig.o	\
 	exconvrt.o	\
 	excreate.o	\
@@ -149,6 +150,7 @@
 acpi-y +=		\
 	utaddress.o	\
 	utalloc.o	\
+	utascii.o	\
 	utbuffer.o	\
 	utcopy.o	\
 	utexcep.o	\
diff --git a/drivers/acpi/acpica/acdebug.h b/drivers/acpi/acpica/acdebug.h
index 993af9e..f6404ea 100644
--- a/drivers/acpi/acpica/acdebug.h
+++ b/drivers/acpi/acpica/acdebug.h
@@ -53,7 +53,7 @@
 #define ACPI_DEBUG_BUFFER_SIZE  0x4000	/* 16K buffer for return objects */
 
 struct acpi_db_command_info {
-	char *name;		/* Command Name */
+	const char *name;	/* Command Name */
 	u8 min_args;		/* Minimum arguments required */
 };
 
@@ -64,7 +64,7 @@
 };
 
 struct acpi_db_argument_info {
-	char *name;		/* Argument Name */
+	const char *name;	/* Argument Name */
 };
 
 struct acpi_db_execute_walk {
@@ -196,7 +196,7 @@
 							     acpi_walk_state
 							     *walk_state))
 
- acpi_status acpi_db_display_all_methods(char *display_count_arg);
+acpi_status acpi_db_display_all_methods(char *display_count_arg);
 
 void acpi_db_display_arguments(void);
 
@@ -220,7 +220,7 @@
  * dbexec - debugger control method execution
  */
 void
-acpi_db_execute(char *name, char **args, acpi_object_type * types, u32 flags);
+acpi_db_execute(char *name, char **args, acpi_object_type *types, u32 flags);
 
 void
 acpi_db_create_execution_threads(char *num_threads_arg,
@@ -271,7 +271,7 @@
 acpi_status acpi_db_user_commands(void);
 
 char *acpi_db_get_next_token(char *string,
-			     char **next, acpi_object_type * return_type);
+			     char **next, acpi_object_type *return_type);
 
 /*
  * dbobject
diff --git a/drivers/acpi/acpica/acevents.h b/drivers/acpi/acpica/acevents.h
index 010cf81..77af91c 100644
--- a/drivers/acpi/acpica/acevents.h
+++ b/drivers/acpi/acpica/acevents.h
@@ -72,6 +72,7 @@
 ACPI_HW_DEPENDENT_RETURN_OK(acpi_status
 			    acpi_ev_acquire_global_lock(u16 timeout))
 ACPI_HW_DEPENDENT_RETURN_OK(acpi_status acpi_ev_release_global_lock(void))
+
 acpi_status acpi_ev_remove_global_lock_handler(void);
 
 /*
@@ -198,8 +199,6 @@
 acpi_ev_detach_region(union acpi_operand_object *region_obj,
 		      u8 acpi_ns_is_locked);
 
-void acpi_ev_associate_reg_method(union acpi_operand_object *region_obj);
-
 void
 acpi_ev_execute_reg_methods(struct acpi_namespace_node *node,
 			    acpi_adr_space_type space_id, u32 function);
diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h
index 51b073b..fded776 100644
--- a/drivers/acpi/acpica/acglobal.h
+++ b/drivers/acpi/acpica/acglobal.h
@@ -187,6 +187,8 @@
 extern const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS];
 extern const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS];
 extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS];
+extern const char acpi_gbl_lower_hex_digits[];
+extern const char acpi_gbl_upper_hex_digits[];
 extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES];
 
 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
@@ -361,6 +363,15 @@
 
 #endif				/* ACPI_DEBUGGER */
 
+#if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER)
+
+ACPI_GLOBAL(const char, *acpi_gbl_pld_panel_list[]);
+ACPI_GLOBAL(const char, *acpi_gbl_pld_vertical_position_list[]);
+ACPI_GLOBAL(const char, *acpi_gbl_pld_horizontal_position_list[]);
+ACPI_GLOBAL(const char, *acpi_gbl_pld_shape_list[]);
+
+#endif
+
 /*****************************************************************************
  *
  * Application globals
diff --git a/drivers/acpi/acpica/acinterp.h b/drivers/acpi/acpica/acinterp.h
index bae1a35..7ead235 100644
--- a/drivers/acpi/acpica/acinterp.h
+++ b/drivers/acpi/acpica/acinterp.h
@@ -67,7 +67,7 @@
 typedef const struct acpi_exdump_info {
 	u8 opcode;
 	u8 offset;
-	char *name;
+	const char *name;
 
 } acpi_exdump_info;
 
@@ -370,7 +370,7 @@
 acpi_status
 acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
 			 union acpi_operand_object *operand,
-			 acpi_object_type * return_type,
+			 acpi_object_type *return_type,
 			 union acpi_operand_object **return_desc);
 
 /*
diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
index 9562a10..13331d7 100644
--- a/drivers/acpi/acpica/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -278,7 +278,7 @@
 };
 
 typedef
-acpi_status(*acpi_internal_method) (struct acpi_walk_state * walk_state);
+acpi_status (*acpi_internal_method) (struct acpi_walk_state * walk_state);
 
 /*
  * Bitmapped ACPI types. Used internally only
@@ -395,11 +395,12 @@
 
 /* Return object auto-repair info */
 
-typedef acpi_status(*acpi_object_converter) (struct acpi_namespace_node * scope,
-					     union acpi_operand_object
-					     *original_object,
-					     union acpi_operand_object
-					     **converted_object);
+typedef acpi_status (*acpi_object_converter) (struct acpi_namespace_node *
+					      scope,
+					      union acpi_operand_object *
+					      original_object,
+					      union acpi_operand_object **
+					      converted_object);
 
 struct acpi_simple_repair_info {
 	char name[ACPI_NAME_SIZE];
@@ -539,10 +540,10 @@
 	struct acpi_namespace_node *gpe_device;
 };
 
-typedef acpi_status(*acpi_gpe_callback) (struct acpi_gpe_xrupt_info *
-					 gpe_xrupt_info,
-					 struct acpi_gpe_block_info *gpe_block,
-					 void *context);
+typedef acpi_status (*acpi_gpe_callback) (struct acpi_gpe_xrupt_info *
+					  gpe_xrupt_info,
+					  struct acpi_gpe_block_info *
+					  gpe_block, void *context);
 
 /* Information about each particular fixed event */
 
@@ -657,10 +658,11 @@
 };
 
 typedef
-acpi_status(*acpi_parse_downwards) (struct acpi_walk_state * walk_state,
-				    union acpi_parse_object ** out_op);
+acpi_status (*acpi_parse_downwards) (struct acpi_walk_state * walk_state,
+				     union acpi_parse_object ** out_op);
 
-typedef acpi_status(*acpi_parse_upwards) (struct acpi_walk_state * walk_state);
+typedef
+acpi_status (*acpi_parse_upwards) (struct acpi_walk_state * walk_state);
 
 /* Global handlers for AML Notifies */
 
@@ -700,7 +702,8 @@
  *
  ****************************************************************************/
 
-typedef acpi_status(*acpi_execute_op) (struct acpi_walk_state * walk_state);
+typedef
+acpi_status (*acpi_execute_op) (struct acpi_walk_state * walk_state);
 
 /* Address Range info block */
 
@@ -853,24 +856,24 @@
 
 /* Parse object flags */
 
-#define ACPI_PARSEOP_GENERIC            0x01
-#define ACPI_PARSEOP_NAMED              0x02
-#define ACPI_PARSEOP_DEFERRED           0x04
-#define ACPI_PARSEOP_BYTELIST           0x08
-#define ACPI_PARSEOP_IN_STACK           0x10
-#define ACPI_PARSEOP_TARGET             0x20
-#define ACPI_PARSEOP_IN_CACHE           0x80
+#define ACPI_PARSEOP_GENERIC                0x01
+#define ACPI_PARSEOP_NAMED_OBJECT           0x02
+#define ACPI_PARSEOP_DEFERRED               0x04
+#define ACPI_PARSEOP_BYTELIST               0x08
+#define ACPI_PARSEOP_IN_STACK               0x10
+#define ACPI_PARSEOP_TARGET                 0x20
+#define ACPI_PARSEOP_IN_CACHE               0x80
 
 /* Parse object disasm_flags */
 
-#define ACPI_PARSEOP_IGNORE             0x01
-#define ACPI_PARSEOP_PARAMLIST          0x02
-#define ACPI_PARSEOP_EMPTY_TERMLIST     0x04
-#define ACPI_PARSEOP_PREDEF_CHECKED     0x08
-#define ACPI_PARSEOP_CLOSING_PAREN      0x10
-#define ACPI_PARSEOP_COMPOUND           0x20
-#define ACPI_PARSEOP_ASSIGNMENT         0x40
-#define ACPI_PARSEOP_ELSEIF             0x80
+#define ACPI_PARSEOP_IGNORE                 0x01
+#define ACPI_PARSEOP_PARAMETER_LIST         0x02
+#define ACPI_PARSEOP_EMPTY_TERMLIST         0x04
+#define ACPI_PARSEOP_PREDEFINED_CHECKED     0x08
+#define ACPI_PARSEOP_CLOSING_PAREN          0x10
+#define ACPI_PARSEOP_COMPOUND_ASSIGNMENT    0x20
+#define ACPI_PARSEOP_ASSIGNMENT             0x40
+#define ACPI_PARSEOP_ELSEIF                 0x80
 
 /*****************************************************************************
  *
@@ -1096,6 +1099,7 @@
 #define ACPI_EXT_ORIGIN_FROM_FILE           0x02	/* External came from a file */
 #define ACPI_EXT_INTERNAL_PATH_ALLOCATED    0x04	/* Deallocate internal path on completion */
 #define ACPI_EXT_EXTERNAL_EMITTED           0x08	/* External() statement has been emitted */
+#define ACPI_EXT_ORIGIN_FROM_OPCODE         0x10	/* External came from a External() opcode */
 
 struct acpi_external_file {
 	char *path;
diff --git a/drivers/acpi/acpica/acmacros.h b/drivers/acpi/acpica/acmacros.h
index 411c18b..a3b9543 100644
--- a/drivers/acpi/acpica/acmacros.h
+++ b/drivers/acpi/acpica/acmacros.h
@@ -260,14 +260,31 @@
 
 #define ACPI_IS_MISALIGNED(value)           (((acpi_size) value) & (sizeof(acpi_size)-1))
 
+/* Generic (power-of-two) rounding */
+
+#define ACPI_IS_ALIGNED(a, s)               (((a) & ((s) - 1)) == 0)
+#define ACPI_IS_POWER_OF_TWO(a)             ACPI_IS_ALIGNED(a, a)
+
 /*
  * Bitmask creation
  * Bit positions start at zero.
  * MASK_BITS_ABOVE creates a mask starting AT the position and above
  * MASK_BITS_BELOW creates a mask starting one bit BELOW the position
+ * MASK_BITS_ABOVE/BELOW accpets a bit offset to create a mask
+ * MASK_BITS_ABOVE/BELOW_32/64 accpets a bit width to create a mask
+ * Note: The ACPI_INTEGER_BIT_SIZE check is used to bypass compiler
+ * differences with the shift operator
  */
 #define ACPI_MASK_BITS_ABOVE(position)      (~((ACPI_UINT64_MAX) << ((u32) (position))))
 #define ACPI_MASK_BITS_BELOW(position)      ((ACPI_UINT64_MAX) << ((u32) (position)))
+#define ACPI_MASK_BITS_ABOVE_32(width)      ((u32) ACPI_MASK_BITS_ABOVE(width))
+#define ACPI_MASK_BITS_BELOW_32(width)      ((u32) ACPI_MASK_BITS_BELOW(width))
+#define ACPI_MASK_BITS_ABOVE_64(width)      ((width) == ACPI_INTEGER_BIT_SIZE ? \
+												ACPI_UINT64_MAX : \
+												ACPI_MASK_BITS_ABOVE(width))
+#define ACPI_MASK_BITS_BELOW_64(width)      ((width) == ACPI_INTEGER_BIT_SIZE ? \
+												(u64) 0 : \
+												ACPI_MASK_BITS_BELOW(width))
 
 /* Bitfields within ACPI registers */
 
@@ -283,10 +300,10 @@
 /* Generic bitfield macros and masks */
 
 #define ACPI_GET_BITS(source_ptr, position, mask) \
-	((*source_ptr >> position) & mask)
+	((*(source_ptr) >> (position)) & (mask))
 
 #define ACPI_SET_BITS(target_ptr, position, mask, value) \
-	(*target_ptr |= ((value & mask) << position))
+	(*(target_ptr) |= (((value) & (mask)) << (position)))
 
 #define ACPI_1BIT_MASK      0x00000001
 #define ACPI_2BIT_MASK      0x00000003
diff --git a/drivers/acpi/acpica/acnamesp.h b/drivers/acpi/acpica/acnamesp.h
index 022d69c..f33a4ba 100644
--- a/drivers/acpi/acpica/acnamesp.h
+++ b/drivers/acpi/acpica/acnamesp.h
@@ -206,9 +206,10 @@
 void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level);
 
 void
-acpi_ns_dump_pathname(acpi_handle handle, char *msg, u32 level, u32 component);
+acpi_ns_dump_pathname(acpi_handle handle,
+		      const char *msg, u32 level, u32 component);
 
-void acpi_ns_print_pathname(u32 num_segments, char *pathname);
+void acpi_ns_print_pathname(u32 num_segments, const char *pathname);
 
 acpi_status
 acpi_ns_dump_one_object(acpi_handle obj_handle,
diff --git a/drivers/acpi/acpica/acparser.h b/drivers/acpi/acpica/acparser.h
index 7da639d..fc30577 100644
--- a/drivers/acpi/acpica/acparser.h
+++ b/drivers/acpi/acpica/acparser.h
@@ -139,7 +139,7 @@
  */
 const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode);
 
-char *acpi_ps_get_opcode_name(u16 opcode);
+const char *acpi_ps_get_opcode_name(u16 opcode);
 
 u8 acpi_ps_get_argument_count(u32 op_type);
 
diff --git a/drivers/acpi/acpica/acpredef.h b/drivers/acpi/acpica/acpredef.h
index 5faeab4..888440b 100644
--- a/drivers/acpi/acpica/acpredef.h
+++ b/drivers/acpi/acpica/acpredef.h
@@ -129,7 +129,8 @@
 	ACPI_PTYPE2_REV_FIXED = 9,
 	ACPI_PTYPE2_FIX_VAR = 10,
 	ACPI_PTYPE2_VAR_VAR = 11,
-	ACPI_PTYPE2_UUID_PAIR = 12
+	ACPI_PTYPE2_UUID_PAIR = 12,
+	ACPI_PTYPE_CUSTOM = 13
 };
 
 /* Support macros for users of the predefined info table */
@@ -340,7 +341,7 @@
 
 	{{"_BIX", METHOD_0ARGS,
 	  METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}},	/* Fixed-length (16 Int),(4 Str) */
-	PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 16,
+	PACKAGE_INFO(ACPI_PTYPE_CUSTOM, ACPI_RTYPE_INTEGER, 16,
 		     ACPI_RTYPE_STRING, 4, 0),
 
 	{{"_BLT",
@@ -523,6 +524,9 @@
 	  METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}},	/* Fixed-length (4 Int) */
 	PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4, 0, 0, 0),
 
+	{{"_FIT", METHOD_0ARGS,
+	  METHOD_RETURNS(ACPI_RTYPE_BUFFER)}},	/* ACPI 6.0 */
+
 	{{"_FIX", METHOD_0ARGS,
 	  METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}},	/* Variable-length (Ints) */
 	PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0, 0, 0, 0),
@@ -1053,6 +1057,12 @@
 	  METHOD_RETURNS(ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING |
 			 ACPI_RTYPE_BUFFER)}},
 
+	{{"_WPC", METHOD_0ARGS,
+	  METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},	/* ACPI 6.1 */
+
+	{{"_WPP", METHOD_0ARGS,
+	  METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},	/* ACPI 6.1 */
+
 	PACKAGE_INFO(0, 0, 0, 0, 0, 0)	/* Table terminator */
 };
 #else
diff --git a/drivers/acpi/acpica/acresrc.h b/drivers/acpi/acpica/acresrc.h
index 5dd58be..63da1e3 100644
--- a/drivers/acpi/acpica/acresrc.h
+++ b/drivers/acpi/acpica/acresrc.h
@@ -124,7 +124,7 @@
 typedef const struct acpi_rsdump_info {
 	u8 opcode;
 	u8 offset;
-	char *name;
+	const char *name;
 	const char **pointer;
 
 } acpi_rsdump_info;
@@ -209,7 +209,7 @@
 
 acpi_status
 acpi_rs_get_method_data(acpi_handle handle,
-			char *path, struct acpi_buffer *ret_buffer);
+			const char *path, struct acpi_buffer *ret_buffer);
 
 acpi_status
 acpi_rs_set_srs_method_data(struct acpi_namespace_node *node,
@@ -223,16 +223,16 @@
  * rscalc
  */
 acpi_status
-acpi_rs_get_list_length(u8 * aml_buffer,
-			u32 aml_buffer_length, acpi_size * size_needed);
+acpi_rs_get_list_length(u8 *aml_buffer,
+			u32 aml_buffer_length, acpi_size *size_needed);
 
 acpi_status
 acpi_rs_get_aml_length(struct acpi_resource *resource_list,
-		       acpi_size resource_list_size, acpi_size * size_needed);
+		       acpi_size resource_list_size, acpi_size *size_needed);
 
 acpi_status
 acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
-				     acpi_size * buffer_size_needed);
+				     acpi_size *buffer_size_needed);
 
 acpi_status
 acpi_rs_convert_aml_to_resources(u8 * aml,
diff --git a/drivers/acpi/acpica/acstruct.h b/drivers/acpi/acpica/acstruct.h
index b3b386e..6235642 100644
--- a/drivers/acpi/acpica/acstruct.h
+++ b/drivers/acpi/acpica/acstruct.h
@@ -184,7 +184,7 @@
 	/* The first 3 elements are passed by the caller to acpi_ns_evaluate */
 
 	struct acpi_namespace_node *prefix_node;	/* Input: starting node */
-	char *relative_pathname;	/* Input: path relative to prefix_node */
+	const char *relative_pathname;	/* Input: path relative to prefix_node */
 	union acpi_operand_object **parameters;	/* Input: argument list */
 
 	struct acpi_namespace_node *node;	/* Resolved node (prefix_node:relative_pathname) */
diff --git a/drivers/acpi/acpica/actables.h b/drivers/acpi/acpica/actables.h
index 848ad3a..cd5a135 100644
--- a/drivers/acpi/acpica/actables.h
+++ b/drivers/acpi/acpica/actables.h
@@ -161,8 +161,6 @@
 
 acpi_status acpi_tb_parse_root_table(acpi_physical_address rsdp_address);
 
-u8 acpi_is_valid_signature(char *signature);
-
 /*
  * tbxfload
  */
diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h
index e43ab6f..a7dbb2b 100644
--- a/drivers/acpi/acpica/acutils.h
+++ b/drivers/acpi/acpica/acutils.h
@@ -136,16 +136,16 @@
 #define ACPI_SMALL_VARIABLE_LENGTH      3
 
 typedef
-acpi_status(*acpi_walk_aml_callback) (u8 *aml,
-				      u32 length,
-				      u32 offset,
-				      u8 resource_index, void **context);
+acpi_status (*acpi_walk_aml_callback) (u8 *aml,
+				       u32 length,
+				       u32 offset,
+				       u8 resource_index, void **context);
 
 typedef
-acpi_status(*acpi_pkg_callback) (u8 object_type,
-				 union acpi_operand_object *source_object,
-				 union acpi_generic_state * state,
-				 void *context);
+acpi_status (*acpi_pkg_callback) (u8 object_type,
+				  union acpi_operand_object * source_object,
+				  union acpi_generic_state * state,
+				  void *context);
 
 struct acpi_pkg_info {
 	u8 *free_space;
@@ -167,6 +167,15 @@
 #define DB_QWORD_DISPLAY    8
 
 /*
+ * utascii - ASCII utilities
+ */
+u8 acpi_ut_valid_nameseg(char *signature);
+
+u8 acpi_ut_valid_name_char(char character, u32 position);
+
+void acpi_ut_check_and_repair_ascii(u8 *name, char *repaired_name, u32 count);
+
+/*
  * utnonansi - Non-ANSI C library functions
  */
 void acpi_ut_strupr(char *src_string);
@@ -175,7 +184,14 @@
 
 int acpi_ut_stricmp(char *string1, char *string2);
 
-acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer);
+acpi_status
+acpi_ut_strtoul64(char *string,
+		  u32 base, u32 max_integer_byte_width, u64 *ret_integer);
+
+/* Values for max_integer_byte_width above */
+
+#define ACPI_MAX32_BYTE_WIDTH       4
+#define ACPI_MAX64_BYTE_WIDTH       8
 
 /*
  * utglobal - Global data structures and procedures
@@ -266,7 +282,8 @@
 void
 acpi_ut_trace_ptr(u32 line_number,
 		  const char *function_name,
-		  const char *module_name, u32 component_id, void *pointer);
+		  const char *module_name,
+		  u32 component_id, const void *pointer);
 
 void
 acpi_ut_trace_u32(u32 line_number,
@@ -276,7 +293,8 @@
 void
 acpi_ut_trace_str(u32 line_number,
 		  const char *function_name,
-		  const char *module_name, u32 component_id, char *string);
+		  const char *module_name,
+		  u32 component_id, const char *string);
 
 void
 acpi_ut_exit(u32 line_number,
@@ -335,12 +353,12 @@
  */
 acpi_status
 acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
-			char *path,
+			const char *path,
 			u32 expected_return_btypes,
 			union acpi_operand_object **return_desc);
 
 acpi_status
-acpi_ut_evaluate_numeric_object(char *object_name,
+acpi_ut_evaluate_numeric_object(const char *object_name,
 				struct acpi_namespace_node *device_node,
 				u64 *value);
 
@@ -415,7 +433,7 @@
 union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size);
 
 acpi_status
-acpi_ut_get_object_size(union acpi_operand_object *obj, acpi_size * obj_length);
+acpi_ut_get_object_size(union acpi_operand_object *obj, acpi_size *obj_length);
 
 /*
  * utosi - Support for the _OSI predefined control method
@@ -526,15 +544,15 @@
 void
 acpi_ut_display_init_pathname(u8 type,
 			      struct acpi_namespace_node *obj_handle,
-			      char *path);
+			      const char *path);
 #endif
 
 /*
  * utownerid - Support for Table/Method Owner IDs
  */
-acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id);
+acpi_status acpi_ut_allocate_owner_id(acpi_owner_id *owner_id);
 
-void acpi_ut_release_owner_id(acpi_owner_id * owner_id);
+void acpi_ut_release_owner_id(acpi_owner_id *owner_id);
 
 /*
  * utresrc
@@ -570,10 +588,6 @@
 void ut_convert_backslashes(char *pathname);
 #endif
 
-u8 acpi_ut_valid_acpi_name(char *name);
-
-u8 acpi_ut_valid_acpi_char(char character, u32 position);
-
 void acpi_ut_repair_name(char *name);
 
 #if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION)
@@ -628,7 +642,7 @@
 void acpi_ut_dump_allocations(u32 component, const char *module);
 
 acpi_status
-acpi_ut_create_list(char *list_name,
+acpi_ut_create_list(const char *list_name,
 		    u16 object_size, struct acpi_memory_list **return_cache);
 
 #endif				/* ACPI_DBG_TRACK_ALLOCATIONS */
diff --git a/drivers/acpi/acpica/dbcmds.c b/drivers/acpi/acpica/dbcmds.c
index 772178c..62bd446 100644
--- a/drivers/acpi/acpica/dbcmds.c
+++ b/drivers/acpi/acpica/dbcmds.c
@@ -738,9 +738,9 @@
 	original_aml = return_buffer.pointer;
 
 	acpi_dm_compare_aml_resources(original_aml->buffer.pointer,
-				      (acpi_rsdesc_size) original_aml->buffer.
+				      (acpi_rsdesc_size)original_aml->buffer.
 				      length, new_aml.pointer,
-				      (acpi_rsdesc_size) new_aml.length);
+				      (acpi_rsdesc_size)new_aml.length);
 
 	/* Cleanup and exit */
 
diff --git a/drivers/acpi/acpica/dbconvert.c b/drivers/acpi/acpica/dbconvert.c
index 68f4e0f4..7cd07b2 100644
--- a/drivers/acpi/acpica/dbconvert.c
+++ b/drivers/acpi/acpica/dbconvert.c
@@ -194,7 +194,7 @@
  *
  ******************************************************************************/
 
-acpi_status acpi_db_convert_to_package(char *string, union acpi_object * object)
+acpi_status acpi_db_convert_to_package(char *string, union acpi_object *object)
 {
 	char *this;
 	char *next;
@@ -252,7 +252,7 @@
 
 acpi_status
 acpi_db_convert_to_object(acpi_object_type type,
-			  char *string, union acpi_object * object)
+			  char *string, union acpi_object *object)
 {
 	acpi_status status = AE_OK;
 
@@ -277,7 +277,9 @@
 	default:
 
 		object->type = ACPI_TYPE_INTEGER;
-		status = acpi_ut_strtoul64(string, 16, &object->integer.value);
+		status =
+		    acpi_ut_strtoul64(string, 16, acpi_gbl_integer_byte_width,
+				      &object->integer.value);
 		break;
 	}
 
diff --git a/drivers/acpi/acpica/dbexec.c b/drivers/acpi/acpica/dbexec.c
index c814855..12df291 100644
--- a/drivers/acpi/acpica/dbexec.c
+++ b/drivers/acpi/acpica/dbexec.c
@@ -361,7 +361,7 @@
  ******************************************************************************/
 
 void
-acpi_db_execute(char *name, char **args, acpi_object_type * types, u32 flags)
+acpi_db_execute(char *name, char **args, acpi_object_type *types, u32 flags)
 {
 	acpi_status status;
 	struct acpi_buffer return_obj;
diff --git a/drivers/acpi/acpica/dbinput.c b/drivers/acpi/acpica/dbinput.c
index 417c02a..7cd5d2e 100644
--- a/drivers/acpi/acpica/dbinput.c
+++ b/drivers/acpi/acpica/dbinput.c
@@ -57,12 +57,12 @@
 
 static u32 acpi_db_match_command(char *user_command);
 
-static void acpi_db_display_command_info(char *command, u8 display_all);
+static void acpi_db_display_command_info(const char *command, u8 display_all);
 
 static void acpi_db_display_help(char *command);
 
 static u8
-acpi_db_match_command_help(char *command,
+acpi_db_match_command_help(const char *command,
 			   const struct acpi_db_command_help *help);
 
 /*
@@ -348,7 +348,7 @@
  ******************************************************************************/
 
 static u8
-acpi_db_match_command_help(char *command,
+acpi_db_match_command_help(const char *command,
 			   const struct acpi_db_command_help *help)
 {
 	char *invocation = help->invocation;
@@ -402,7 +402,7 @@
  *
  ******************************************************************************/
 
-static void acpi_db_display_command_info(char *command, u8 display_all)
+static void acpi_db_display_command_info(const char *command, u8 display_all)
 {
 	const struct acpi_db_command_help *next;
 	u8 matched;
@@ -466,7 +466,7 @@
  ******************************************************************************/
 
 char *acpi_db_get_next_token(char *string,
-			     char **next, acpi_object_type * return_type)
+			     char **next, acpi_object_type *return_type)
 {
 	char *start;
 	u32 depth;
@@ -656,8 +656,9 @@
 	}
 
 	for (i = CMD_FIRST_VALID; acpi_gbl_db_commands[i].name; i++) {
-		if (strstr(acpi_gbl_db_commands[i].name, user_command) ==
-		    acpi_gbl_db_commands[i].name) {
+		if (strstr
+		    (ACPI_CAST_PTR(char, acpi_gbl_db_commands[i].name),
+		     user_command) == acpi_gbl_db_commands[i].name) {
 			return (i);
 		}
 	}
@@ -683,8 +684,8 @@
 
 acpi_status
 acpi_db_command_dispatch(char *input_buffer,
-			 struct acpi_walk_state * walk_state,
-			 union acpi_parse_object * op)
+			 struct acpi_walk_state *walk_state,
+			 union acpi_parse_object *op)
 {
 	u32 temp;
 	u32 command_index;
diff --git a/drivers/acpi/acpica/dbnames.c b/drivers/acpi/acpica/dbnames.c
index 3c23b5a..8667f14 100644
--- a/drivers/acpi/acpica/dbnames.c
+++ b/drivers/acpi/acpica/dbnames.c
@@ -285,7 +285,7 @@
 	u32 max_depth = ACPI_UINT32_MAX;
 	acpi_owner_id owner_id;
 
-	owner_id = (acpi_owner_id) strtoul(owner_arg, NULL, 0);
+	owner_id = (acpi_owner_id)strtoul(owner_arg, NULL, 0);
 
 	/* Now we can check for the depth argument */
 
@@ -709,7 +709,7 @@
 		return (AE_OK);
 	}
 
-	if (!acpi_ut_valid_acpi_name(node->name.ascii)) {
+	if (!acpi_ut_valid_nameseg(node->name.ascii)) {
 		acpi_os_printf("Invalid AcpiName for Node %p\n", node);
 		return (AE_OK);
 	}
diff --git a/drivers/acpi/acpica/dbutils.c b/drivers/acpi/acpica/dbutils.c
index b37a2c7..ae80106 100644
--- a/drivers/acpi/acpica/dbutils.c
+++ b/drivers/acpi/acpica/dbutils.c
@@ -56,8 +56,6 @@
 void acpi_db_dump_buffer(u32 address);
 #endif
 
-static char *gbl_hex_to_ascii = "0123456789ABCDEF";
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_db_match_argument
@@ -82,8 +80,9 @@
 	}
 
 	for (i = 0; arguments[i].name; i++) {
-		if (strstr(arguments[i].name, user_argument) ==
-		    arguments[i].name) {
+		if (strstr(ACPI_CAST_PTR(char, arguments[i].name),
+			   ACPI_CAST_PTR(char,
+					 user_argument)) == arguments[i].name) {
 			return (i);
 		}
 	}
@@ -339,7 +338,7 @@
 	buffer[8] = '\0';
 
 	for (i = 7; i >= 0; i--) {
-		buffer[i] = gbl_hex_to_ascii[value & 0x0F];
+		buffer[i] = acpi_gbl_upper_hex_digits[value & 0x0F];
 		value = value >> 4;
 	}
 }
diff --git a/drivers/acpi/acpica/dbxface.c b/drivers/acpi/acpica/dbxface.c
index e94e0d8..124db23 100644
--- a/drivers/acpi/acpica/dbxface.c
+++ b/drivers/acpi/acpica/dbxface.c
@@ -162,8 +162,8 @@
  ******************************************************************************/
 
 acpi_status
-acpi_db_single_step(struct acpi_walk_state * walk_state,
-		    union acpi_parse_object * op, u32 opcode_class)
+acpi_db_single_step(struct acpi_walk_state *walk_state,
+		    union acpi_parse_object *op, u32 opcode_class)
 {
 	union acpi_parse_object *next;
 	acpi_status status = AE_OK;
diff --git a/drivers/acpi/acpica/dscontrol.c b/drivers/acpi/acpica/dscontrol.c
index c9a663f..4ddcbf1 100644
--- a/drivers/acpi/acpica/dscontrol.c
+++ b/drivers/acpi/acpica/dscontrol.c
@@ -163,8 +163,8 @@
  ******************************************************************************/
 
 acpi_status
-acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state,
-			    union acpi_parse_object * op)
+acpi_ds_exec_end_control_op(struct acpi_walk_state *walk_state,
+			    union acpi_parse_object *op)
 {
 	acpi_status status = AE_OK;
 	union acpi_generic_state *control_state;
diff --git a/drivers/acpi/acpica/dsinit.c b/drivers/acpi/acpica/dsinit.c
index 5aa1c5f..f1e6dcc 100644
--- a/drivers/acpi/acpica/dsinit.c
+++ b/drivers/acpi/acpica/dsinit.c
@@ -188,7 +188,7 @@
 
 acpi_status
 acpi_ds_initialize_objects(u32 table_index,
-			   struct acpi_namespace_node * start_node)
+			   struct acpi_namespace_node *start_node)
 {
 	acpi_status status;
 	struct acpi_init_walk_info info;
diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c
index 1982310..47c7b52 100644
--- a/drivers/acpi/acpica/dsmethod.c
+++ b/drivers/acpi/acpica/dsmethod.c
@@ -209,7 +209,7 @@
  ******************************************************************************/
 
 acpi_status
-acpi_ds_method_error(acpi_status status, struct acpi_walk_state * walk_state)
+acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state)
 {
 	u32 aml_offset;
 
@@ -428,6 +428,9 @@
 				obj_desc->method.mutex->mutex.
 				    original_sync_level =
 				    obj_desc->method.mutex->mutex.sync_level;
+
+				obj_desc->method.mutex->mutex.thread_id =
+				    acpi_os_get_thread_id();
 			}
 		}
 
diff --git a/drivers/acpi/acpica/dsutils.c b/drivers/acpi/acpica/dsutils.c
index 8ca9416..f393de9 100644
--- a/drivers/acpi/acpica/dsutils.c
+++ b/drivers/acpi/acpica/dsutils.c
@@ -569,7 +569,7 @@
 					/* TBD: May only be temporary */
 
 					obj_desc =
-					    acpi_ut_create_string_object((acpi_size) name_length);
+					    acpi_ut_create_string_object((acpi_size)name_length);
 
 					strncpy(obj_desc->string.pointer,
 						name_string, name_length);
diff --git a/drivers/acpi/acpica/dswload.c b/drivers/acpi/acpica/dswload.c
index d1cedcf..fd34040 100644
--- a/drivers/acpi/acpica/dswload.c
+++ b/drivers/acpi/acpica/dswload.c
@@ -137,8 +137,8 @@
  ******************************************************************************/
 
 acpi_status
-acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
-		       union acpi_parse_object ** out_op)
+acpi_ds_load1_begin_op(struct acpi_walk_state *walk_state,
+		       union acpi_parse_object **out_op)
 {
 	union acpi_parse_object *op;
 	struct acpi_namespace_node *node;
diff --git a/drivers/acpi/acpica/dswload2.c b/drivers/acpi/acpica/dswload2.c
index 0bac6e1..762db3f 100644
--- a/drivers/acpi/acpica/dswload2.c
+++ b/drivers/acpi/acpica/dswload2.c
@@ -490,8 +490,8 @@
 
 			status =
 			    acpi_ds_create_index_field(op,
-						       (acpi_handle) arg->
-						       common.node, walk_state);
+						       (acpi_handle)arg->common.
+						       node, walk_state);
 			break;
 
 		case AML_BANK_FIELD_OP:
diff --git a/drivers/acpi/acpica/dswstate.c b/drivers/acpi/acpica/dswstate.c
index 3a26ddb..e333869 100644
--- a/drivers/acpi/acpica/dswstate.c
+++ b/drivers/acpi/acpica/dswstate.c
@@ -143,8 +143,8 @@
  ******************************************************************************/
 
 acpi_status
-acpi_ds_result_push(union acpi_operand_object * object,
-		    struct acpi_walk_state * walk_state)
+acpi_ds_result_push(union acpi_operand_object *object,
+		    struct acpi_walk_state *walk_state)
 {
 	union acpi_generic_state *state;
 	acpi_status status;
@@ -307,7 +307,7 @@
  ******************************************************************************/
 
 acpi_status
-acpi_ds_obj_stack_push(void *object, struct acpi_walk_state * walk_state)
+acpi_ds_obj_stack_push(void *object, struct acpi_walk_state *walk_state)
 {
 	ACPI_FUNCTION_NAME(ds_obj_stack_push);
 
@@ -354,7 +354,7 @@
  ******************************************************************************/
 
 acpi_status
-acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state * walk_state)
+acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state *walk_state)
 {
 	u32 i;
 
@@ -411,7 +411,7 @@
 		return;
 	}
 
-	for (i = (s32) pop_count - 1; i >= 0; i--) {
+	for (i = (s32)pop_count - 1; i >= 0; i--) {
 		if (walk_state->num_operands == 0) {
 			return;
 		}
diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c
index b47e62aaf..4b4949c 100644
--- a/drivers/acpi/acpica/evgpe.c
+++ b/drivers/acpi/acpica/evgpe.c
@@ -440,7 +440,7 @@
 
 				gpe_event_info =
 				    &gpe_block->
-				    event_info[((acpi_size) i *
+				    event_info[((acpi_size)i *
 						ACPI_GPE_REGISTER_WIDTH) + j];
 				gpe_number =
 				    j + gpe_register_info->base_gpe_number;
@@ -652,7 +652,7 @@
  *
  ******************************************************************************/
 
-acpi_status acpi_ev_finish_gpe(struct acpi_gpe_event_info * gpe_event_info)
+acpi_status acpi_ev_finish_gpe(struct acpi_gpe_event_info *gpe_event_info)
 {
 	acpi_status status;
 
diff --git a/drivers/acpi/acpica/evgpeblk.c b/drivers/acpi/acpica/evgpeblk.c
index 447fa1c..d54014c 100644
--- a/drivers/acpi/acpica/evgpeblk.c
+++ b/drivers/acpi/acpica/evgpeblk.c
@@ -211,7 +211,7 @@
 
 	/* Allocate the GPE register information block */
 
-	gpe_register_info = ACPI_ALLOCATE_ZEROED((acpi_size) gpe_block->
+	gpe_register_info = ACPI_ALLOCATE_ZEROED((acpi_size)gpe_block->
 						 register_count *
 						 sizeof(struct
 							acpi_gpe_register_info));
@@ -225,7 +225,7 @@
 	 * Allocate the GPE event_info block. There are eight distinct GPEs
 	 * per register. Initialization to zeros is sufficient.
 	 */
-	gpe_event_info = ACPI_ALLOCATE_ZEROED((acpi_size) gpe_block->gpe_count *
+	gpe_event_info = ACPI_ALLOCATE_ZEROED((acpi_size)gpe_block->gpe_count *
 					      sizeof(struct
 						     acpi_gpe_event_info));
 	if (!gpe_event_info) {
diff --git a/drivers/acpi/acpica/evgpeutil.c b/drivers/acpi/acpica/evgpeutil.c
index 66c4b5b..3f150d5 100644
--- a/drivers/acpi/acpica/evgpeutil.c
+++ b/drivers/acpi/acpica/evgpeutil.c
@@ -163,7 +163,7 @@
 
 acpi_status
 acpi_ev_get_gpe_xrupt_block(u32 interrupt_number,
-			    struct acpi_gpe_xrupt_info ** gpe_xrupt_block)
+			    struct acpi_gpe_xrupt_info **gpe_xrupt_block)
 {
 	struct acpi_gpe_xrupt_info *next_gpe_xrupt;
 	struct acpi_gpe_xrupt_info *gpe_xrupt;
@@ -320,7 +320,7 @@
 		/* Now look at the individual GPEs in this byte register */
 
 		for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
-			gpe_event_info = &gpe_block->event_info[((acpi_size) i *
+			gpe_event_info = &gpe_block->event_info[((acpi_size)i *
 								 ACPI_GPE_REGISTER_WIDTH)
 								+ j];
 
diff --git a/drivers/acpi/acpica/evhandler.c b/drivers/acpi/acpica/evhandler.c
index 0f6be89..24768ca 100644
--- a/drivers/acpi/acpica/evhandler.c
+++ b/drivers/acpi/acpica/evhandler.c
@@ -359,7 +359,7 @@
  ******************************************************************************/
 
 acpi_status
-acpi_ev_install_space_handler(struct acpi_namespace_node * node,
+acpi_ev_install_space_handler(struct acpi_namespace_node *node,
 			      acpi_adr_space_type space_id,
 			      acpi_adr_space_handler handler,
 			      acpi_adr_space_setup setup, void *context)
diff --git a/drivers/acpi/acpica/evmisc.c b/drivers/acpi/acpica/evmisc.c
index c67d78c..f51d43a 100644
--- a/drivers/acpi/acpica/evmisc.c
+++ b/drivers/acpi/acpica/evmisc.c
@@ -99,8 +99,7 @@
  ******************************************************************************/
 
 acpi_status
-acpi_ev_queue_notify_request(struct acpi_namespace_node * node,
-			     u32 notify_value)
+acpi_ev_queue_notify_request(struct acpi_namespace_node *node, u32 notify_value)
 {
 	union acpi_operand_object *obj_desc;
 	union acpi_operand_object *handler_list_head = NULL;
diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c
index 63924d1..4c6f795 100644
--- a/drivers/acpi/acpica/evregion.c
+++ b/drivers/acpi/acpica/evregion.c
@@ -526,52 +526,6 @@
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_ev_associate_reg_method
- *
- * PARAMETERS:  region_obj          - Region object
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Find and associate _REG method to a region
- *
- ******************************************************************************/
-
-void acpi_ev_associate_reg_method(union acpi_operand_object *region_obj)
-{
-	acpi_name *reg_name_ptr = (acpi_name *) METHOD_NAME__REG;
-	struct acpi_namespace_node *method_node;
-	struct acpi_namespace_node *node;
-	union acpi_operand_object *region_obj2;
-	acpi_status status;
-
-	ACPI_FUNCTION_TRACE(ev_associate_reg_method);
-
-	region_obj2 = acpi_ns_get_secondary_object(region_obj);
-	if (!region_obj2) {
-		return_VOID;
-	}
-
-	node = region_obj->region.node->parent;
-
-	/* Find any "_REG" method associated with this region definition */
-
-	status =
-	    acpi_ns_search_one_scope(*reg_name_ptr, node, ACPI_TYPE_METHOD,
-				     &method_node);
-	if (ACPI_SUCCESS(status)) {
-		/*
-		 * The _REG method is optional and there can be only one per region
-		 * definition. This will be executed when the handler is attached
-		 * or removed
-		 */
-		region_obj2->extra.method_REG = method_node;
-	}
-
-	return_VOID;
-}
-
-/*******************************************************************************
- *
  * FUNCTION:    acpi_ev_execute_reg_method
  *
  * PARAMETERS:  region_obj          - Region object
@@ -589,18 +543,42 @@
 	struct acpi_evaluate_info *info;
 	union acpi_operand_object *args[3];
 	union acpi_operand_object *region_obj2;
+	const acpi_name *reg_name_ptr =
+	    ACPI_CAST_PTR(acpi_name, METHOD_NAME__REG);
+	struct acpi_namespace_node *method_node;
+	struct acpi_namespace_node *node;
 	acpi_status status;
 
 	ACPI_FUNCTION_TRACE(ev_execute_reg_method);
 
+	if (!acpi_gbl_namespace_initialized ||
+	    region_obj->region.handler == NULL) {
+		return_ACPI_STATUS(AE_OK);
+	}
+
 	region_obj2 = acpi_ns_get_secondary_object(region_obj);
 	if (!region_obj2) {
 		return_ACPI_STATUS(AE_NOT_EXIST);
 	}
 
-	if (region_obj2->extra.method_REG == NULL ||
-	    region_obj->region.handler == NULL ||
-	    !acpi_gbl_namespace_initialized) {
+	/*
+	 * Find any "_REG" method associated with this region definition.
+	 * The method should always be updated as this function may be
+	 * invoked after a namespace change.
+	 */
+	node = region_obj->region.node->parent;
+	status =
+	    acpi_ns_search_one_scope(*reg_name_ptr, node, ACPI_TYPE_METHOD,
+				     &method_node);
+	if (ACPI_SUCCESS(status)) {
+		/*
+		 * The _REG method is optional and there can be only one per
+		 * region definition. This will be executed when the handler is
+		 * attached or removed.
+		 */
+		region_obj2->extra.method_REG = method_node;
+	}
+	if (region_obj2->extra.method_REG == NULL) {
 		return_ACPI_STATUS(AE_OK);
 	}
 
diff --git a/drivers/acpi/acpica/evrgnini.c b/drivers/acpi/acpica/evrgnini.c
index fda869c..b6ea9c0 100644
--- a/drivers/acpi/acpica/evrgnini.c
+++ b/drivers/acpi/acpica/evrgnini.c
@@ -227,7 +227,7 @@
 
 				/* Install a handler for this PCI root bridge */
 
-				status = acpi_install_address_space_handler((acpi_handle) pci_root_node, ACPI_ADR_SPACE_PCI_CONFIG, ACPI_DEFAULT_HANDLER, NULL, NULL);
+				status = acpi_install_address_space_handler((acpi_handle)pci_root_node, ACPI_ADR_SPACE_PCI_CONFIG, ACPI_DEFAULT_HANDLER, NULL, NULL);
 				if (ACPI_FAILURE(status)) {
 					if (status == AE_SAME_HANDLER) {
 						/*
@@ -518,7 +518,6 @@
 		return_ACPI_STATUS(AE_OK);
 	}
 
-	acpi_ev_associate_reg_method(region_obj);
 	region_obj->common.flags |= AOPOBJ_OBJECT_INITIALIZED;
 
 	node = region_obj->region.node->parent;
diff --git a/drivers/acpi/acpica/evxfgpe.c b/drivers/acpi/acpica/evxfgpe.c
index 9045671..17cfef7 100644
--- a/drivers/acpi/acpica/evxfgpe.c
+++ b/drivers/acpi/acpica/evxfgpe.c
@@ -917,7 +917,7 @@
  *              the FADT-defined gpe blocks. Otherwise, the GPE block device.
  *
  ******************************************************************************/
-acpi_status acpi_get_gpe_device(u32 index, acpi_handle * gpe_device)
+acpi_status acpi_get_gpe_device(u32 index, acpi_handle *gpe_device)
 {
 	struct acpi_gpe_device_info info;
 	acpi_status status;
diff --git a/drivers/acpi/acpica/exconcat.c b/drivers/acpi/acpica/exconcat.c
new file mode 100644
index 0000000..2423fe0
--- /dev/null
+++ b/drivers/acpi/acpica/exconcat.c
@@ -0,0 +1,439 @@
+/******************************************************************************
+ *
+ * Module Name: exconcat - Concatenate-type AML operators
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2016, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "amlresrc.h"
+
+#define _COMPONENT          ACPI_EXECUTER
+ACPI_MODULE_NAME("exconcat")
+
+/* Local Prototypes */
+static acpi_status
+acpi_ex_convert_to_object_type_string(union acpi_operand_object *obj_desc,
+				      union acpi_operand_object **result_desc);
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ex_do_concatenate
+ *
+ * PARAMETERS:  operand0            - First source object
+ *              operand1            - Second source object
+ *              actual_return_desc  - Where to place the return object
+ *              walk_state          - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Concatenate two objects with the ACPI-defined conversion
+ *              rules as necessary.
+ * NOTE:
+ * Per the ACPI spec (up to 6.1), Concatenate only supports Integer,
+ * String, and Buffer objects. However, we support all objects here
+ * as an extension. This improves the usefulness of both Concatenate
+ * and the Printf/Fprintf macros. The extension returns a string
+ * describing the object type for the other objects.
+ * 02/2016.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_do_concatenate(union acpi_operand_object *operand0,
+		       union acpi_operand_object *operand1,
+		       union acpi_operand_object **actual_return_desc,
+		       struct acpi_walk_state *walk_state)
+{
+	union acpi_operand_object *local_operand0 = operand0;
+	union acpi_operand_object *local_operand1 = operand1;
+	union acpi_operand_object *temp_operand1 = NULL;
+	union acpi_operand_object *return_desc;
+	char *buffer;
+	acpi_object_type operand0_type;
+	acpi_object_type operand1_type;
+	acpi_status status;
+
+	ACPI_FUNCTION_TRACE(ex_do_concatenate);
+
+	/* Operand 0 preprocessing */
+
+	switch (operand0->common.type) {
+	case ACPI_TYPE_INTEGER:
+	case ACPI_TYPE_STRING:
+	case ACPI_TYPE_BUFFER:
+
+		operand0_type = operand0->common.type;
+		break;
+
+	default:
+
+		/* For all other types, get the "object type" string */
+
+		status =
+		    acpi_ex_convert_to_object_type_string(operand0,
+							  &local_operand0);
+		if (ACPI_FAILURE(status)) {
+			goto cleanup;
+		}
+
+		operand0_type = ACPI_TYPE_STRING;
+		break;
+	}
+
+	/* Operand 1 preprocessing */
+
+	switch (operand1->common.type) {
+	case ACPI_TYPE_INTEGER:
+	case ACPI_TYPE_STRING:
+	case ACPI_TYPE_BUFFER:
+
+		operand1_type = operand1->common.type;
+		break;
+
+	default:
+
+		/* For all other types, get the "object type" string */
+
+		status =
+		    acpi_ex_convert_to_object_type_string(operand1,
+							  &local_operand1);
+		if (ACPI_FAILURE(status)) {
+			goto cleanup;
+		}
+
+		operand1_type = ACPI_TYPE_STRING;
+		break;
+	}
+
+	/*
+	 * Convert the second operand if necessary. The first operand (0)
+	 * determines the type of the second operand (1) (See the Data Types
+	 * section of the ACPI specification). Both object types are
+	 * guaranteed to be either Integer/String/Buffer by the operand
+	 * resolution mechanism.
+	 */
+	switch (operand0_type) {
+	case ACPI_TYPE_INTEGER:
+
+		status =
+		    acpi_ex_convert_to_integer(local_operand1, &temp_operand1,
+					       16);
+		break;
+
+	case ACPI_TYPE_BUFFER:
+
+		status =
+		    acpi_ex_convert_to_buffer(local_operand1, &temp_operand1);
+		break;
+
+	case ACPI_TYPE_STRING:
+
+		switch (operand1_type) {
+		case ACPI_TYPE_INTEGER:
+		case ACPI_TYPE_STRING:
+		case ACPI_TYPE_BUFFER:
+
+			/* Other types have already been converted to string */
+
+			status =
+			    acpi_ex_convert_to_string(local_operand1,
+						      &temp_operand1,
+						      ACPI_IMPLICIT_CONVERT_HEX);
+			break;
+
+		default:
+
+			status = AE_OK;
+			break;
+		}
+		break;
+
+	default:
+
+		ACPI_ERROR((AE_INFO, "Invalid object type: 0x%X",
+			    operand0->common.type));
+		status = AE_AML_INTERNAL;
+	}
+
+	if (ACPI_FAILURE(status)) {
+		goto cleanup;
+	}
+
+	/* Take care with any newly created operand objects */
+
+	if ((local_operand1 != operand1) && (local_operand1 != temp_operand1)) {
+		acpi_ut_remove_reference(local_operand1);
+	}
+
+	local_operand1 = temp_operand1;
+
+	/*
+	 * Both operands are now known to be the same object type
+	 * (Both are Integer, String, or Buffer), and we can now perform
+	 * the concatenation.
+	 *
+	 * There are three cases to handle, as per the ACPI spec:
+	 *
+	 * 1) Two Integers concatenated to produce a new Buffer
+	 * 2) Two Strings concatenated to produce a new String
+	 * 3) Two Buffers concatenated to produce a new Buffer
+	 */
+	switch (operand0_type) {
+	case ACPI_TYPE_INTEGER:
+
+		/* Result of two Integers is a Buffer */
+		/* Need enough buffer space for two integers */
+
+		return_desc = acpi_ut_create_buffer_object((acpi_size)
+							   ACPI_MUL_2
+							   (acpi_gbl_integer_byte_width));
+		if (!return_desc) {
+			status = AE_NO_MEMORY;
+			goto cleanup;
+		}
+
+		buffer = (char *)return_desc->buffer.pointer;
+
+		/* Copy the first integer, LSB first */
+
+		memcpy(buffer, &operand0->integer.value,
+		       acpi_gbl_integer_byte_width);
+
+		/* Copy the second integer (LSB first) after the first */
+
+		memcpy(buffer + acpi_gbl_integer_byte_width,
+		       &local_operand1->integer.value,
+		       acpi_gbl_integer_byte_width);
+		break;
+
+	case ACPI_TYPE_STRING:
+
+		/* Result of two Strings is a String */
+
+		return_desc = acpi_ut_create_string_object(((acpi_size)
+							    local_operand0->
+							    string.length +
+							    local_operand1->
+							    string.length));
+		if (!return_desc) {
+			status = AE_NO_MEMORY;
+			goto cleanup;
+		}
+
+		buffer = return_desc->string.pointer;
+
+		/* Concatenate the strings */
+
+		strcpy(buffer, local_operand0->string.pointer);
+		strcat(buffer, local_operand1->string.pointer);
+		break;
+
+	case ACPI_TYPE_BUFFER:
+
+		/* Result of two Buffers is a Buffer */
+
+		return_desc = acpi_ut_create_buffer_object(((acpi_size)
+							    operand0->buffer.
+							    length +
+							    local_operand1->
+							    buffer.length));
+		if (!return_desc) {
+			status = AE_NO_MEMORY;
+			goto cleanup;
+		}
+
+		buffer = (char *)return_desc->buffer.pointer;
+
+		/* Concatenate the buffers */
+
+		memcpy(buffer, operand0->buffer.pointer,
+		       operand0->buffer.length);
+		memcpy(buffer + operand0->buffer.length,
+		       local_operand1->buffer.pointer,
+		       local_operand1->buffer.length);
+		break;
+
+	default:
+
+		/* Invalid object type, should not happen here */
+
+		ACPI_ERROR((AE_INFO, "Invalid object type: 0x%X",
+			    operand0->common.type));
+		status = AE_AML_INTERNAL;
+		goto cleanup;
+	}
+
+	*actual_return_desc = return_desc;
+
+cleanup:
+	if (local_operand0 != operand0) {
+		acpi_ut_remove_reference(local_operand0);
+	}
+
+	if (local_operand1 != operand1) {
+		acpi_ut_remove_reference(local_operand1);
+	}
+
+	return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ex_convert_to_object_type_string
+ *
+ * PARAMETERS:  obj_desc            - Object to be converted
+ *              return_desc         - Where to place the return object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Convert an object of arbitrary type to a string object that
+ *              contains the namestring for the object. Used for the
+ *              concatenate operator.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ex_convert_to_object_type_string(union acpi_operand_object *obj_desc,
+				      union acpi_operand_object **result_desc)
+{
+	union acpi_operand_object *return_desc;
+	const char *type_string;
+
+	type_string = acpi_ut_get_type_name(obj_desc->common.type);
+
+	return_desc = acpi_ut_create_string_object(((acpi_size)strlen(type_string) + 9));	/* 9 For "[ Object]" */
+	if (!return_desc) {
+		return (AE_NO_MEMORY);
+	}
+
+	strcpy(return_desc->string.pointer, "[");
+	strcat(return_desc->string.pointer, type_string);
+	strcat(return_desc->string.pointer, " Object]");
+
+	*result_desc = return_desc;
+	return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ex_concat_template
+ *
+ * PARAMETERS:  operand0            - First source object
+ *              operand1            - Second source object
+ *              actual_return_desc  - Where to place the return object
+ *              walk_state          - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Concatenate two resource templates
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ex_concat_template(union acpi_operand_object *operand0,
+			union acpi_operand_object *operand1,
+			union acpi_operand_object **actual_return_desc,
+			struct acpi_walk_state *walk_state)
+{
+	acpi_status status;
+	union acpi_operand_object *return_desc;
+	u8 *new_buf;
+	u8 *end_tag;
+	acpi_size length0;
+	acpi_size length1;
+	acpi_size new_length;
+
+	ACPI_FUNCTION_TRACE(ex_concat_template);
+
+	/*
+	 * Find the end_tag descriptor in each resource template.
+	 * Note1: returned pointers point TO the end_tag, not past it.
+	 * Note2: zero-length buffers are allowed; treated like one end_tag
+	 */
+
+	/* Get the length of the first resource template */
+
+	status = acpi_ut_get_resource_end_tag(operand0, &end_tag);
+	if (ACPI_FAILURE(status)) {
+		return_ACPI_STATUS(status);
+	}
+
+	length0 = ACPI_PTR_DIFF(end_tag, operand0->buffer.pointer);
+
+	/* Get the length of the second resource template */
+
+	status = acpi_ut_get_resource_end_tag(operand1, &end_tag);
+	if (ACPI_FAILURE(status)) {
+		return_ACPI_STATUS(status);
+	}
+
+	length1 = ACPI_PTR_DIFF(end_tag, operand1->buffer.pointer);
+
+	/* Combine both lengths, minimum size will be 2 for end_tag */
+
+	new_length = length0 + length1 + sizeof(struct aml_resource_end_tag);
+
+	/* Create a new buffer object for the result (with one end_tag) */
+
+	return_desc = acpi_ut_create_buffer_object(new_length);
+	if (!return_desc) {
+		return_ACPI_STATUS(AE_NO_MEMORY);
+	}
+
+	/*
+	 * Copy the templates to the new buffer, 0 first, then 1 follows. One
+	 * end_tag descriptor is copied from Operand1.
+	 */
+	new_buf = return_desc->buffer.pointer;
+	memcpy(new_buf, operand0->buffer.pointer, length0);
+	memcpy(new_buf + length0, operand1->buffer.pointer, length1);
+
+	/* Insert end_tag and set the checksum to zero, means "ignore checksum" */
+
+	new_buf[new_length - 1] = 0;
+	new_buf[new_length - 2] = ACPI_RESOURCE_NAME_END_TAG | 1;
+
+	/* Return the completed resource template */
+
+	*actual_return_desc = return_desc;
+	return_ACPI_STATUS(AE_OK);
+}
diff --git a/drivers/acpi/acpica/exconfig.c b/drivers/acpi/acpica/exconfig.c
index f7416130..a1d177d 100644
--- a/drivers/acpi/acpica/exconfig.c
+++ b/drivers/acpi/acpica/exconfig.c
@@ -118,7 +118,9 @@
 	/* Execute any module-level code that was found in the table */
 
 	acpi_ex_exit_interpreter();
-	acpi_ns_exec_module_code_list();
+	if (acpi_gbl_group_module_level_code) {
+		acpi_ns_exec_module_code_list();
+	}
 	acpi_ex_enter_interpreter();
 
 	/*
diff --git a/drivers/acpi/acpica/exconvrt.c b/drivers/acpi/acpica/exconvrt.c
index 0b9f2c1..b7e9b3d 100644
--- a/drivers/acpi/acpica/exconvrt.c
+++ b/drivers/acpi/acpica/exconvrt.c
@@ -124,7 +124,9 @@
 		 * of ACPI 3.0) is that the to_integer() operator allows both decimal
 		 * and hexadecimal strings (hex prefixed with "0x").
 		 */
-		status = acpi_ut_strtoul64((char *)pointer, flags, &result);
+		status = acpi_ut_strtoul64((char *)pointer, flags,
+					   acpi_gbl_integer_byte_width,
+					   &result);
 		if (ACPI_FAILURE(status)) {
 			return_ACPI_STATUS(status);
 		}
@@ -439,7 +441,7 @@
 		 * Need enough space for one ASCII integer (plus null terminator)
 		 */
 		return_desc =
-		    acpi_ut_create_string_object((acpi_size) string_length);
+		    acpi_ut_create_string_object((acpi_size)string_length);
 		if (!return_desc) {
 			return_ACPI_STATUS(AE_NO_MEMORY);
 		}
@@ -518,7 +520,7 @@
 		}
 
 		return_desc =
-		    acpi_ut_create_string_object((acpi_size) string_length);
+		    acpi_ut_create_string_object((acpi_size)string_length);
 		if (!return_desc) {
 			return_ACPI_STATUS(AE_NO_MEMORY);
 		}
diff --git a/drivers/acpi/acpica/excreate.c b/drivers/acpi/acpica/excreate.c
index bea9612..613ba6e 100644
--- a/drivers/acpi/acpica/excreate.c
+++ b/drivers/acpi/acpica/excreate.c
@@ -394,7 +394,7 @@
 	obj_desc->processor.proc_id = (u8) operand[1]->integer.value;
 	obj_desc->processor.length = (u8) operand[3]->integer.value;
 	obj_desc->processor.address =
-	    (acpi_io_address) operand[2]->integer.value;
+	    (acpi_io_address)operand[2]->integer.value;
 
 	/* Install the processor object in the parent Node */
 
diff --git a/drivers/acpi/acpica/exdump.c b/drivers/acpi/acpica/exdump.c
index ee30974..fce6b2e 100644
--- a/drivers/acpi/acpica/exdump.c
+++ b/drivers/acpi/acpica/exdump.c
@@ -55,9 +55,9 @@
  */
 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
 /* Local prototypes */
-static void acpi_ex_out_string(char *title, char *value);
+static void acpi_ex_out_string(const char *title, const char *value);
 
-static void acpi_ex_out_pointer(char *title, void *value);
+static void acpi_ex_out_pointer(const char *title, const void *value);
 
 static void
 acpi_ex_dump_object(union acpi_operand_object *obj_desc,
@@ -365,8 +365,7 @@
 		    struct acpi_exdump_info *info)
 {
 	u8 *target;
-	char *name;
-	const char *reference_name;
+	const char *name;
 	u8 count;
 	union acpi_operand_object *start;
 	union acpi_operand_object *data = NULL;
@@ -459,9 +458,9 @@
 
 		case ACPI_EXD_REFERENCE:
 
-			reference_name = acpi_ut_get_reference_name(obj_desc);
 			acpi_ex_out_string("Class Name",
-					   ACPI_CAST_PTR(char, reference_name));
+					   acpi_ut_get_reference_name
+					   (obj_desc));
 			acpi_ex_dump_reference_obj(obj_desc);
 			break;
 
@@ -934,12 +933,12 @@
  *
  ******************************************************************************/
 
-static void acpi_ex_out_string(char *title, char *value)
+static void acpi_ex_out_string(const char *title, const char *value)
 {
 	acpi_os_printf("%20s : %s\n", title, value);
 }
 
-static void acpi_ex_out_pointer(char *title, void *value)
+static void acpi_ex_out_pointer(const char *title, const void *value)
 {
 	acpi_os_printf("%20s : %p\n", title, value);
 }
diff --git a/drivers/acpi/acpica/exfield.c b/drivers/acpi/acpica/exfield.c
index d5d8020..d7d3ee3 100644
--- a/drivers/acpi/acpica/exfield.c
+++ b/drivers/acpi/acpica/exfield.c
@@ -126,7 +126,7 @@
  ******************************************************************************/
 
 acpi_status
-acpi_ex_read_data_from_field(struct acpi_walk_state * walk_state,
+acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
 			     union acpi_operand_object *obj_desc,
 			     union acpi_operand_object **ret_buffer_desc)
 {
@@ -233,7 +233,7 @@
 	 * Note: Field.length is in bits.
 	 */
 	length =
-	    (acpi_size) ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->field.bit_length);
+	    (acpi_size)ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->field.bit_length);
 
 	if (length > acpi_gbl_integer_byte_width) {
 
diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c
index f0c5ed0..ee76d29 100644
--- a/drivers/acpi/acpica/exfldio.c
+++ b/drivers/acpi/acpica/exfldio.c
@@ -164,7 +164,7 @@
 			if (ACPI_ROUND_UP(rgn_desc->region.length,
 					  obj_desc->common_field.
 					  access_byte_width) >=
-			    ((acpi_size) obj_desc->common_field.
+			    ((acpi_size)obj_desc->common_field.
 			     base_byte_offset +
 			     obj_desc->common_field.access_byte_width +
 			     field_datum_byte_offset)) {
@@ -897,17 +897,9 @@
 
 	access_bit_width = ACPI_MUL_8(obj_desc->common_field.access_byte_width);
 
-	/*
-	 * Create the bitmasks used for bit insertion.
-	 * Note: This if/else is used to bypass compiler differences with the
-	 * shift operator
-	 */
-	if (access_bit_width == ACPI_INTEGER_BIT_SIZE) {
-		width_mask = ACPI_UINT64_MAX;
-	} else {
-		width_mask = ACPI_MASK_BITS_ABOVE(access_bit_width);
-	}
+	/* Create the bitmasks used for bit insertion */
 
+	width_mask = ACPI_MASK_BITS_ABOVE_64(access_bit_width);
 	mask = width_mask &
 	    ACPI_MASK_BITS_BELOW(obj_desc->common_field.start_field_bit_offset);
 
diff --git a/drivers/acpi/acpica/exmisc.c b/drivers/acpi/acpica/exmisc.c
index db30ae4..4f7e667 100644
--- a/drivers/acpi/acpica/exmisc.c
+++ b/drivers/acpi/acpica/exmisc.c
@@ -45,7 +45,6 @@
 #include "accommon.h"
 #include "acinterp.h"
 #include "amlcode.h"
-#include "amlresrc.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exmisc")
@@ -140,295 +139,6 @@
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_ex_concat_template
- *
- * PARAMETERS:  operand0            - First source object
- *              operand1            - Second source object
- *              actual_return_desc  - Where to place the return object
- *              walk_state          - Current walk state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Concatenate two resource templates
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ex_concat_template(union acpi_operand_object *operand0,
-			union acpi_operand_object *operand1,
-			union acpi_operand_object **actual_return_desc,
-			struct acpi_walk_state *walk_state)
-{
-	acpi_status status;
-	union acpi_operand_object *return_desc;
-	u8 *new_buf;
-	u8 *end_tag;
-	acpi_size length0;
-	acpi_size length1;
-	acpi_size new_length;
-
-	ACPI_FUNCTION_TRACE(ex_concat_template);
-
-	/*
-	 * Find the end_tag descriptor in each resource template.
-	 * Note1: returned pointers point TO the end_tag, not past it.
-	 * Note2: zero-length buffers are allowed; treated like one end_tag
-	 */
-
-	/* Get the length of the first resource template */
-
-	status = acpi_ut_get_resource_end_tag(operand0, &end_tag);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	length0 = ACPI_PTR_DIFF(end_tag, operand0->buffer.pointer);
-
-	/* Get the length of the second resource template */
-
-	status = acpi_ut_get_resource_end_tag(operand1, &end_tag);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	length1 = ACPI_PTR_DIFF(end_tag, operand1->buffer.pointer);
-
-	/* Combine both lengths, minimum size will be 2 for end_tag */
-
-	new_length = length0 + length1 + sizeof(struct aml_resource_end_tag);
-
-	/* Create a new buffer object for the result (with one end_tag) */
-
-	return_desc = acpi_ut_create_buffer_object(new_length);
-	if (!return_desc) {
-		return_ACPI_STATUS(AE_NO_MEMORY);
-	}
-
-	/*
-	 * Copy the templates to the new buffer, 0 first, then 1 follows. One
-	 * end_tag descriptor is copied from Operand1.
-	 */
-	new_buf = return_desc->buffer.pointer;
-	memcpy(new_buf, operand0->buffer.pointer, length0);
-	memcpy(new_buf + length0, operand1->buffer.pointer, length1);
-
-	/* Insert end_tag and set the checksum to zero, means "ignore checksum" */
-
-	new_buf[new_length - 1] = 0;
-	new_buf[new_length - 2] = ACPI_RESOURCE_NAME_END_TAG | 1;
-
-	/* Return the completed resource template */
-
-	*actual_return_desc = return_desc;
-	return_ACPI_STATUS(AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ex_do_concatenate
- *
- * PARAMETERS:  operand0            - First source object
- *              operand1            - Second source object
- *              actual_return_desc  - Where to place the return object
- *              walk_state          - Current walk state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Concatenate two objects OF THE SAME TYPE.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ex_do_concatenate(union acpi_operand_object *operand0,
-		       union acpi_operand_object *operand1,
-		       union acpi_operand_object **actual_return_desc,
-		       struct acpi_walk_state *walk_state)
-{
-	union acpi_operand_object *local_operand1 = operand1;
-	union acpi_operand_object *return_desc;
-	char *new_buf;
-	const char *type_string;
-	acpi_status status;
-
-	ACPI_FUNCTION_TRACE(ex_do_concatenate);
-
-	/*
-	 * Convert the second operand if necessary. The first operand
-	 * determines the type of the second operand, (See the Data Types
-	 * section of the ACPI specification.)  Both object types are
-	 * guaranteed to be either Integer/String/Buffer by the operand
-	 * resolution mechanism.
-	 */
-	switch (operand0->common.type) {
-	case ACPI_TYPE_INTEGER:
-
-		status =
-		    acpi_ex_convert_to_integer(operand1, &local_operand1, 16);
-		break;
-
-	case ACPI_TYPE_STRING:
-		/*
-		 * Per the ACPI spec, Concatenate only supports int/str/buf.
-		 * However, we support all objects here as an extension.
-		 * This improves the usefulness of the Printf() macro.
-		 * 12/2015.
-		 */
-		switch (operand1->common.type) {
-		case ACPI_TYPE_INTEGER:
-		case ACPI_TYPE_STRING:
-		case ACPI_TYPE_BUFFER:
-
-			status =
-			    acpi_ex_convert_to_string(operand1, &local_operand1,
-						      ACPI_IMPLICIT_CONVERT_HEX);
-			break;
-
-		default:
-			/*
-			 * Just emit a string containing the object type.
-			 */
-			type_string =
-			    acpi_ut_get_type_name(operand1->common.type);
-
-			local_operand1 = acpi_ut_create_string_object(((acpi_size) strlen(type_string) + 9));	/* 9 For "[Object]" */
-			if (!local_operand1) {
-				status = AE_NO_MEMORY;
-				goto cleanup;
-			}
-
-			strcpy(local_operand1->string.pointer, "[");
-			strcat(local_operand1->string.pointer, type_string);
-			strcat(local_operand1->string.pointer, " Object]");
-			status = AE_OK;
-			break;
-		}
-		break;
-
-	case ACPI_TYPE_BUFFER:
-
-		status = acpi_ex_convert_to_buffer(operand1, &local_operand1);
-		break;
-
-	default:
-
-		ACPI_ERROR((AE_INFO, "Invalid object type: 0x%X",
-			    operand0->common.type));
-		status = AE_AML_INTERNAL;
-	}
-
-	if (ACPI_FAILURE(status)) {
-		goto cleanup;
-	}
-
-	/*
-	 * Both operands are now known to be the same object type
-	 * (Both are Integer, String, or Buffer), and we can now perform the
-	 * concatenation.
-	 */
-
-	/*
-	 * There are three cases to handle:
-	 *
-	 * 1) Two Integers concatenated to produce a new Buffer
-	 * 2) Two Strings concatenated to produce a new String
-	 * 3) Two Buffers concatenated to produce a new Buffer
-	 */
-	switch (operand0->common.type) {
-	case ACPI_TYPE_INTEGER:
-
-		/* Result of two Integers is a Buffer */
-		/* Need enough buffer space for two integers */
-
-		return_desc = acpi_ut_create_buffer_object((acpi_size)
-							   ACPI_MUL_2
-							   (acpi_gbl_integer_byte_width));
-		if (!return_desc) {
-			status = AE_NO_MEMORY;
-			goto cleanup;
-		}
-
-		new_buf = (char *)return_desc->buffer.pointer;
-
-		/* Copy the first integer, LSB first */
-
-		memcpy(new_buf, &operand0->integer.value,
-		       acpi_gbl_integer_byte_width);
-
-		/* Copy the second integer (LSB first) after the first */
-
-		memcpy(new_buf + acpi_gbl_integer_byte_width,
-		       &local_operand1->integer.value,
-		       acpi_gbl_integer_byte_width);
-		break;
-
-	case ACPI_TYPE_STRING:
-
-		/* Result of two Strings is a String */
-
-		return_desc = acpi_ut_create_string_object(((acpi_size)
-							    operand0->string.
-							    length +
-							    local_operand1->
-							    string.length));
-		if (!return_desc) {
-			status = AE_NO_MEMORY;
-			goto cleanup;
-		}
-
-		new_buf = return_desc->string.pointer;
-
-		/* Concatenate the strings */
-
-		strcpy(new_buf, operand0->string.pointer);
-		strcat(new_buf, local_operand1->string.pointer);
-		break;
-
-	case ACPI_TYPE_BUFFER:
-
-		/* Result of two Buffers is a Buffer */
-
-		return_desc = acpi_ut_create_buffer_object(((acpi_size)
-							    operand0->buffer.
-							    length +
-							    local_operand1->
-							    buffer.length));
-		if (!return_desc) {
-			status = AE_NO_MEMORY;
-			goto cleanup;
-		}
-
-		new_buf = (char *)return_desc->buffer.pointer;
-
-		/* Concatenate the buffers */
-
-		memcpy(new_buf, operand0->buffer.pointer,
-		       operand0->buffer.length);
-		memcpy(new_buf + operand0->buffer.length,
-		       local_operand1->buffer.pointer,
-		       local_operand1->buffer.length);
-		break;
-
-	default:
-
-		/* Invalid object type, should not happen here */
-
-		ACPI_ERROR((AE_INFO, "Invalid object type: 0x%X",
-			    operand0->common.type));
-		status = AE_AML_INTERNAL;
-		goto cleanup;
-	}
-
-	*actual_return_desc = return_desc;
-
-cleanup:
-	if (local_operand1 != operand1) {
-		acpi_ut_remove_reference(local_operand1);
-	}
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
  * FUNCTION:    acpi_ex_do_math_op
  *
  * PARAMETERS:  opcode              - AML opcode
diff --git a/drivers/acpi/acpica/exnames.c b/drivers/acpi/acpica/exnames.c
index 27c11ab..3d6af93 100644
--- a/drivers/acpi/acpica/exnames.c
+++ b/drivers/acpi/acpica/exnames.c
@@ -178,7 +178,7 @@
 
 	for (index = 0;
 	     (index < ACPI_NAME_SIZE)
-	     && (acpi_ut_valid_acpi_char(*aml_address, 0)); index++) {
+	     && (acpi_ut_valid_name_char(*aml_address, 0)); index++) {
 		char_buf[index] = *aml_address++;
 		ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "%c\n", char_buf[index]));
 	}
diff --git a/drivers/acpi/acpica/exoparg3.c b/drivers/acpi/acpica/exoparg3.c
index 5aa21c4..69e4e26 100644
--- a/drivers/acpi/acpica/exoparg3.c
+++ b/drivers/acpi/acpica/exoparg3.c
@@ -184,7 +184,7 @@
 		/* Get the Integer values from the objects */
 
 		index = operand[1]->integer.value;
-		length = (acpi_size) operand[2]->integer.value;
+		length = (acpi_size)operand[2]->integer.value;
 
 		/*
 		 * If the index is beyond the length of the String/Buffer, or if the
@@ -198,8 +198,8 @@
 
 		else if ((index + length) > operand[0]->string.length) {
 			length =
-			    (acpi_size) operand[0]->string.length -
-			    (acpi_size) index;
+			    (acpi_size)operand[0]->string.length -
+			    (acpi_size)index;
 		}
 
 		/* Strings always have a sub-pointer, not so for buffers */
@@ -209,7 +209,7 @@
 
 			/* Always allocate a new buffer for the String */
 
-			buffer = ACPI_ALLOCATE_ZEROED((acpi_size) length + 1);
+			buffer = ACPI_ALLOCATE_ZEROED((acpi_size)length + 1);
 			if (!buffer) {
 				status = AE_NO_MEMORY;
 				goto cleanup;
diff --git a/drivers/acpi/acpica/exoparg6.c b/drivers/acpi/acpica/exoparg6.c
index e2b6348..786d53b 100644
--- a/drivers/acpi/acpica/exoparg6.c
+++ b/drivers/acpi/acpica/exoparg6.c
@@ -207,7 +207,7 @@
  *
  ******************************************************************************/
 
-acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state * walk_state)
+acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state *walk_state)
 {
 	union acpi_operand_object **operand = &walk_state->operands[0];
 	union acpi_operand_object *return_desc = NULL;
diff --git a/drivers/acpi/acpica/exregion.c b/drivers/acpi/acpica/exregion.c
index 076074d..31b381c 100644
--- a/drivers/acpi/acpica/exregion.c
+++ b/drivers/acpi/acpica/exregion.c
@@ -325,15 +325,15 @@
 	switch (function) {
 	case ACPI_READ:
 
-		status = acpi_hw_read_port((acpi_io_address) address,
+		status = acpi_hw_read_port((acpi_io_address)address,
 					   &value32, bit_width);
 		*value = value32;
 		break;
 
 	case ACPI_WRITE:
 
-		status = acpi_hw_write_port((acpi_io_address) address,
-					    (u32) * value, bit_width);
+		status = acpi_hw_write_port((acpi_io_address)address,
+					    (u32)*value, bit_width);
 		break;
 
 	default:
diff --git a/drivers/acpi/acpica/exresnte.c b/drivers/acpi/acpica/exresnte.c
index c1e8bfb..a183cb7 100644
--- a/drivers/acpi/acpica/exresnte.c
+++ b/drivers/acpi/acpica/exresnte.c
@@ -93,7 +93,7 @@
 	 */
 	node = *object_ptr;
 	source_desc = acpi_ns_get_attached_object(node);
-	entry_type = acpi_ns_get_type((acpi_handle) node);
+	entry_type = acpi_ns_get_type((acpi_handle)node);
 
 	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Entry=%p SourceDesc=%p [%s]\n",
 			  node, source_desc,
@@ -106,7 +106,7 @@
 
 		node = ACPI_CAST_PTR(struct acpi_namespace_node, node->object);
 		source_desc = acpi_ns_get_attached_object(node);
-		entry_type = acpi_ns_get_type((acpi_handle) node);
+		entry_type = acpi_ns_get_type((acpi_handle)node);
 		*object_ptr = node;
 	}
 
diff --git a/drivers/acpi/acpica/exresolv.c b/drivers/acpi/acpica/exresolv.c
index fedacf1..e1d3878 100644
--- a/drivers/acpi/acpica/exresolv.c
+++ b/drivers/acpi/acpica/exresolv.c
@@ -334,7 +334,7 @@
 acpi_status
 acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
 			 union acpi_operand_object *operand,
-			 acpi_object_type * return_type,
+			 acpi_object_type *return_type,
 			 union acpi_operand_object **return_desc)
 {
 	union acpi_operand_object *obj_desc = ACPI_CAST_PTR(void, operand);
diff --git a/drivers/acpi/acpica/exresop.c b/drivers/acpi/acpica/exresop.c
index cc2c26c..27b41fd 100644
--- a/drivers/acpi/acpica/exresop.c
+++ b/drivers/acpi/acpica/exresop.c
@@ -131,8 +131,8 @@
 
 acpi_status
 acpi_ex_resolve_operands(u16 opcode,
-			 union acpi_operand_object ** stack_ptr,
-			 struct acpi_walk_state * walk_state)
+			 union acpi_operand_object **stack_ptr,
+			 struct acpi_walk_state *walk_state)
 {
 	union acpi_operand_object *obj_desc;
 	acpi_status status = AE_OK;
diff --git a/drivers/acpi/acpica/exstorob.c b/drivers/acpi/acpica/exstorob.c
index 28b7248..1dab827 100644
--- a/drivers/acpi/acpica/exstorob.c
+++ b/drivers/acpi/acpica/exstorob.c
@@ -188,7 +188,7 @@
 		 * Clear old string and copy in the new one
 		 */
 		memset(target_desc->string.pointer, 0,
-		       (acpi_size) target_desc->string.length + 1);
+		       (acpi_size)target_desc->string.length + 1);
 		memcpy(target_desc->string.pointer, buffer, length);
 	} else {
 		/*
@@ -204,7 +204,7 @@
 		}
 
 		target_desc->string.pointer =
-		    ACPI_ALLOCATE_ZEROED((acpi_size) length + 1);
+		    ACPI_ALLOCATE_ZEROED((acpi_size)length + 1);
 
 		if (!target_desc->string.pointer) {
 			return_ACPI_STATUS(AE_NO_MEMORY);
diff --git a/drivers/acpi/acpica/exutils.c b/drivers/acpi/acpica/exutils.c
index 4d44bc1..425f133 100644
--- a/drivers/acpi/acpica/exutils.c
+++ b/drivers/acpi/acpica/exutils.c
@@ -301,8 +301,8 @@
  *
  * FUNCTION:    acpi_ex_eisa_id_to_string
  *
- * PARAMETERS:  compressed_id   - EISAID to be converted
- *              out_string      - Where to put the converted string (8 bytes)
+ * PARAMETERS:  out_string      - Where to put the converted string (8 bytes)
+ *              compressed_id   - EISAID to be converted
  *
  * RETURN:      None
  *
@@ -354,7 +354,7 @@
  *                                possible 64-bit integer.
  *              value           - Value to be converted
  *
- * RETURN:      None, string
+ * RETURN:      Converted string in out_string
  *
  * DESCRIPTION: Convert a 64-bit integer to decimal string representation.
  *              Assumes string buffer is large enough to hold the string. The
@@ -384,9 +384,9 @@
  * FUNCTION:    acpi_ex_pci_cls_to_string
  *
  * PARAMETERS:  out_string      - Where to put the converted string (7 bytes)
- * PARAMETERS:  class_code      - PCI class code to be converted (3 bytes)
+ *              class_code      - PCI class code to be converted (3 bytes)
  *
- * RETURN:      None
+ * RETURN:      Converted string in out_string
  *
  * DESCRIPTION: Convert 3-bytes PCI class code to string representation.
  *              Return buffer must be large enough to hold the string. The
@@ -417,7 +417,7 @@
  *
  * PARAMETERS:  space_id            - ID to be validated
  *
- * RETURN:      TRUE if valid/supported ID.
+ * RETURN:      TRUE if space_id is a valid/supported ID.
  *
  * DESCRIPTION: Validate an operation region space_ID.
  *
diff --git a/drivers/acpi/acpica/hwgpe.c b/drivers/acpi/acpica/hwgpe.c
index 1c4f451..bdecd5e 100644
--- a/drivers/acpi/acpica/hwgpe.c
+++ b/drivers/acpi/acpica/hwgpe.c
@@ -166,7 +166,7 @@
  *
  ******************************************************************************/
 
-acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info * gpe_event_info)
+acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info *gpe_event_info)
 {
 	struct acpi_gpe_register_info *gpe_register_info;
 	acpi_status status;
@@ -206,7 +206,7 @@
  ******************************************************************************/
 
 acpi_status
-acpi_hw_get_gpe_status(struct acpi_gpe_event_info * gpe_event_info,
+acpi_hw_get_gpe_status(struct acpi_gpe_event_info *gpe_event_info,
 		       acpi_event_status *event_status)
 {
 	u32 in_byte;
@@ -391,7 +391,7 @@
 
 acpi_status
 acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
-				 struct acpi_gpe_block_info * gpe_block,
+				 struct acpi_gpe_block_info *gpe_block,
 				 void *context)
 {
 	u32 i;
diff --git a/drivers/acpi/acpica/hwregs.c b/drivers/acpi/acpica/hwregs.c
index 5ba0498..0f18dbc 100644
--- a/drivers/acpi/acpica/hwregs.c
+++ b/drivers/acpi/acpica/hwregs.c
@@ -51,6 +51,10 @@
 
 #if (!ACPI_REDUCED_HARDWARE)
 /* Local Prototypes */
+static u8
+acpi_hw_get_access_bit_width(struct acpi_generic_address *reg,
+			     u8 max_bit_width);
+
 static acpi_status
 acpi_hw_read_multiple(u32 *value,
 		      struct acpi_generic_address *register_a,
@@ -65,6 +69,48 @@
 
 /******************************************************************************
  *
+ * FUNCTION:    acpi_hw_get_access_bit_width
+ *
+ * PARAMETERS:  reg                 - GAS register structure
+ *              max_bit_width       - Max bit_width supported (32 or 64)
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Obtain optimal access bit width
+ *
+ ******************************************************************************/
+
+static u8
+acpi_hw_get_access_bit_width(struct acpi_generic_address *reg, u8 max_bit_width)
+{
+	u64 address;
+
+	if (!reg->access_width) {
+		/*
+		 * Detect old register descriptors where only the bit_width field
+		 * makes senses. The target address is copied to handle possible
+		 * alignment issues.
+		 */
+		ACPI_MOVE_64_TO_64(&address, &reg->address);
+		if (!reg->bit_offset && reg->bit_width &&
+		    ACPI_IS_POWER_OF_TWO(reg->bit_width) &&
+		    ACPI_IS_ALIGNED(reg->bit_width, 8) &&
+		    ACPI_IS_ALIGNED(address, reg->bit_width)) {
+			return (reg->bit_width);
+		} else {
+			if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_IO) {
+				return (32);
+			} else {
+				return (max_bit_width);
+			}
+		}
+	} else {
+		return (1 << (reg->access_width + 2));
+	}
+}
+
+/******************************************************************************
+ *
  * FUNCTION:    acpi_hw_validate_register
  *
  * PARAMETERS:  reg                 - GAS register structure
@@ -83,6 +129,8 @@
 acpi_hw_validate_register(struct acpi_generic_address *reg,
 			  u8 max_bit_width, u64 *address)
 {
+	u8 bit_width;
+	u8 access_width;
 
 	/* Must have a valid pointer to a GAS structure */
 
@@ -109,23 +157,25 @@
 		return (AE_SUPPORT);
 	}
 
-	/* Validate the bit_width */
+	/* Validate the access_width */
 
-	if ((reg->bit_width != 8) &&
-	    (reg->bit_width != 16) &&
-	    (reg->bit_width != 32) && (reg->bit_width != max_bit_width)) {
+	if (reg->access_width > 4) {
 		ACPI_ERROR((AE_INFO,
-			    "Unsupported register bit width: 0x%X",
-			    reg->bit_width));
+			    "Unsupported register access width: 0x%X",
+			    reg->access_width));
 		return (AE_SUPPORT);
 	}
 
-	/* Validate the bit_offset. Just a warning for now. */
+	/* Validate the bit_width, convert access_width into number of bits */
 
-	if (reg->bit_offset != 0) {
+	access_width = acpi_hw_get_access_bit_width(reg, max_bit_width);
+	bit_width =
+	    ACPI_ROUND_UP(reg->bit_offset + reg->bit_width, access_width);
+	if (max_bit_width < bit_width) {
 		ACPI_WARNING((AE_INFO,
-			      "Unsupported register bit offset: 0x%X",
-			      reg->bit_offset));
+			      "Requested bit width 0x%X is smaller than register bit width 0x%X",
+			      max_bit_width, bit_width));
+		return (AE_SUPPORT);
 	}
 
 	return (AE_OK);
@@ -145,17 +195,19 @@
  *              64-bit values is not needed.
  *
  * LIMITATIONS: <These limitations also apply to acpi_hw_write>
- *      bit_width must be exactly 8, 16, or 32.
  *      space_ID must be system_memory or system_IO.
- *      bit_offset and access_width are currently ignored, as there has
- *          not been a need to implement these.
  *
  ******************************************************************************/
 
 acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg)
 {
 	u64 address;
+	u8 access_width;
+	u32 bit_width;
+	u8 bit_offset;
 	u64 value64;
+	u32 value32;
+	u8 index;
 	acpi_status status;
 
 	ACPI_FUNCTION_NAME(hw_read);
@@ -167,28 +219,75 @@
 		return (status);
 	}
 
-	/* Initialize entire 32-bit return value to zero */
-
+	/*
+	 * Initialize entire 32-bit return value to zero, convert access_width
+	 * into number of bits based
+	 */
 	*value = 0;
+	access_width = acpi_hw_get_access_bit_width(reg, 32);
+	bit_width = reg->bit_offset + reg->bit_width;
+	bit_offset = reg->bit_offset;
 
 	/*
 	 * Two address spaces supported: Memory or IO. PCI_Config is
 	 * not supported here because the GAS structure is insufficient
 	 */
-	if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
-		status = acpi_os_read_memory((acpi_physical_address)
-					     address, &value64, reg->bit_width);
+	index = 0;
+	while (bit_width) {
+		if (bit_offset >= access_width) {
+			value32 = 0;
+			bit_offset -= access_width;
+		} else {
+			if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
+				status =
+				    acpi_os_read_memory((acpi_physical_address)
+							address +
+							index *
+							ACPI_DIV_8
+							(access_width),
+							&value64, access_width);
+				value32 = (u32)value64;
+			} else {	/* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */
 
-		*value = (u32)value64;
-	} else {		/* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */
+				status = acpi_hw_read_port((acpi_io_address)
+							   address +
+							   index *
+							   ACPI_DIV_8
+							   (access_width),
+							   &value32,
+							   access_width);
+			}
 
-		status = acpi_hw_read_port((acpi_io_address)
-					   address, value, reg->bit_width);
+			/*
+			 * Use offset style bit masks because:
+			 * bit_offset < access_width/bit_width < access_width, and
+			 * access_width is ensured to be less than 32-bits by
+			 * acpi_hw_validate_register().
+			 */
+			if (bit_offset) {
+				value32 &= ACPI_MASK_BITS_BELOW(bit_offset);
+				bit_offset = 0;
+			}
+			if (bit_width < access_width) {
+				value32 &= ACPI_MASK_BITS_ABOVE(bit_width);
+			}
+		}
+
+		/*
+		 * Use offset style bit writes because "Index * AccessWidth" is
+		 * ensured to be less than 32-bits by acpi_hw_validate_register().
+		 */
+		ACPI_SET_BITS(value, index * access_width,
+			      ACPI_MASK_BITS_ABOVE_32(access_width), value32);
+
+		bit_width -=
+		    bit_width > access_width ? access_width : bit_width;
+		index++;
 	}
 
 	ACPI_DEBUG_PRINT((ACPI_DB_IO,
 			  "Read:  %8.8X width %2d from %8.8X%8.8X (%s)\n",
-			  *value, reg->bit_width, ACPI_FORMAT_UINT64(address),
+			  *value, access_width, ACPI_FORMAT_UINT64(address),
 			  acpi_ut_get_region_name(reg->space_id)));
 
 	return (status);
@@ -212,6 +311,12 @@
 acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg)
 {
 	u64 address;
+	u8 access_width;
+	u32 bit_width;
+	u8 bit_offset;
+	u64 value64;
+	u32 new_value32, old_value32;
+	u8 index;
 	acpi_status status;
 
 	ACPI_FUNCTION_NAME(hw_write);
@@ -223,23 +328,145 @@
 		return (status);
 	}
 
+	/* Convert access_width into number of bits based */
+
+	access_width = acpi_hw_get_access_bit_width(reg, 32);
+	bit_width = reg->bit_offset + reg->bit_width;
+	bit_offset = reg->bit_offset;
+
 	/*
 	 * Two address spaces supported: Memory or IO. PCI_Config is
 	 * not supported here because the GAS structure is insufficient
 	 */
-	if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
-		status = acpi_os_write_memory((acpi_physical_address)
-					      address, (u64)value,
-					      reg->bit_width);
-	} else {		/* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */
+	index = 0;
+	while (bit_width) {
+		/*
+		 * Use offset style bit reads because "Index * AccessWidth" is
+		 * ensured to be less than 32-bits by acpi_hw_validate_register().
+		 */
+		new_value32 = ACPI_GET_BITS(&value, index * access_width,
+					    ACPI_MASK_BITS_ABOVE_32
+					    (access_width));
 
-		status = acpi_hw_write_port((acpi_io_address)
-					    address, value, reg->bit_width);
+		if (bit_offset >= access_width) {
+			bit_offset -= access_width;
+		} else {
+			/*
+			 * Use offset style bit masks because access_width is ensured
+			 * to be less than 32-bits by acpi_hw_validate_register() and
+			 * bit_offset/bit_width is less than access_width here.
+			 */
+			if (bit_offset) {
+				new_value32 &= ACPI_MASK_BITS_BELOW(bit_offset);
+			}
+			if (bit_width < access_width) {
+				new_value32 &= ACPI_MASK_BITS_ABOVE(bit_width);
+			}
+
+			if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
+				if (bit_offset || bit_width < access_width) {
+					/*
+					 * Read old values in order not to modify the bits that
+					 * are beyond the register bit_width/bit_offset setting.
+					 */
+					status =
+					    acpi_os_read_memory((acpi_physical_address)
+								address +
+								index *
+								ACPI_DIV_8
+								(access_width),
+								&value64,
+								access_width);
+					old_value32 = (u32)value64;
+
+					/*
+					 * Use offset style bit masks because access_width is
+					 * ensured to be less than 32-bits by
+					 * acpi_hw_validate_register() and bit_offset/bit_width is
+					 * less than access_width here.
+					 */
+					if (bit_offset) {
+						old_value32 &=
+						    ACPI_MASK_BITS_ABOVE
+						    (bit_offset);
+						bit_offset = 0;
+					}
+					if (bit_width < access_width) {
+						old_value32 &=
+						    ACPI_MASK_BITS_BELOW
+						    (bit_width);
+					}
+
+					new_value32 |= old_value32;
+				}
+
+				value64 = (u64)new_value32;
+				status =
+				    acpi_os_write_memory((acpi_physical_address)
+							 address +
+							 index *
+							 ACPI_DIV_8
+							 (access_width),
+							 value64, access_width);
+			} else {	/* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */
+
+				if (bit_offset || bit_width < access_width) {
+					/*
+					 * Read old values in order not to modify the bits that
+					 * are beyond the register bit_width/bit_offset setting.
+					 */
+					status =
+					    acpi_hw_read_port((acpi_io_address)
+							      address +
+							      index *
+							      ACPI_DIV_8
+							      (access_width),
+							      &old_value32,
+							      access_width);
+
+					/*
+					 * Use offset style bit masks because access_width is
+					 * ensured to be less than 32-bits by
+					 * acpi_hw_validate_register() and bit_offset/bit_width is
+					 * less than access_width here.
+					 */
+					if (bit_offset) {
+						old_value32 &=
+						    ACPI_MASK_BITS_ABOVE
+						    (bit_offset);
+						bit_offset = 0;
+					}
+					if (bit_width < access_width) {
+						old_value32 &=
+						    ACPI_MASK_BITS_BELOW
+						    (bit_width);
+					}
+
+					new_value32 |= old_value32;
+				}
+
+				status = acpi_hw_write_port((acpi_io_address)
+							    address +
+							    index *
+							    ACPI_DIV_8
+							    (access_width),
+							    new_value32,
+							    access_width);
+			}
+		}
+
+		/*
+		 * Index * access_width is ensured to be less than 32-bits by
+		 * acpi_hw_validate_register().
+		 */
+		bit_width -=
+		    bit_width > access_width ? access_width : bit_width;
+		index++;
 	}
 
 	ACPI_DEBUG_PRINT((ACPI_DB_IO,
 			  "Wrote: %8.8X width %2d   to %8.8X%8.8X (%s)\n",
-			  value, reg->bit_width, ACPI_FORMAT_UINT64(address),
+			  value, access_width, ACPI_FORMAT_UINT64(address),
 			  acpi_ut_get_region_name(reg->space_id)));
 
 	return (status);
diff --git a/drivers/acpi/acpica/hwxface.c b/drivers/acpi/acpica/hwxface.c
index a01ddb3..98c26ff 100644
--- a/drivers/acpi/acpica/hwxface.c
+++ b/drivers/acpi/acpica/hwxface.c
@@ -91,10 +91,9 @@
 		 * compatibility with other ACPI implementations that have allowed
 		 * BIOS code with bad register width values to go unnoticed.
 		 */
-		status =
-		    acpi_os_write_port((acpi_io_address) reset_reg->address,
-				       acpi_gbl_FADT.reset_value,
-				       ACPI_RESET_REGISTER_WIDTH);
+		status = acpi_os_write_port((acpi_io_address)reset_reg->address,
+					    acpi_gbl_FADT.reset_value,
+					    ACPI_RESET_REGISTER_WIDTH);
 	} else {
 		/* Write the reset value to the reset register */
 
@@ -504,9 +503,7 @@
 	 * Evaluate the \_Sx namespace object containing the register values
 	 * for this state
 	 */
-	info->relative_pathname = ACPI_CAST_PTR(char,
-						acpi_gbl_sleep_state_names
-						[sleep_state]);
+	info->relative_pathname = acpi_gbl_sleep_state_names[sleep_state];
 
 	status = acpi_ns_evaluate(info);
 	if (ACPI_FAILURE(status)) {
diff --git a/drivers/acpi/acpica/nsaccess.c b/drivers/acpi/acpica/nsaccess.c
index 697af81..426a630 100644
--- a/drivers/acpi/acpica/nsaccess.c
+++ b/drivers/acpi/acpica/nsaccess.c
@@ -107,9 +107,10 @@
 			continue;
 		}
 
-		status = acpi_ns_lookup(NULL, init_val->name, init_val->type,
-					ACPI_IMODE_LOAD_PASS2,
-					ACPI_NS_NO_UPSEARCH, NULL, &new_node);
+		status =
+		    acpi_ns_lookup(NULL, (char *)init_val->name, init_val->type,
+				   ACPI_IMODE_LOAD_PASS2, ACPI_NS_NO_UPSEARCH,
+				   NULL, &new_node);
 		if (ACPI_FAILURE(status)) {
 			ACPI_EXCEPTION((AE_INFO, status,
 					"Could not create predefined name %s",
diff --git a/drivers/acpi/acpica/nsconvert.c b/drivers/acpi/acpica/nsconvert.c
index 878e8fb..c803bda 100644
--- a/drivers/acpi/acpica/nsconvert.c
+++ b/drivers/acpi/acpica/nsconvert.c
@@ -79,7 +79,8 @@
 		/* String-to-Integer conversion */
 
 		status = acpi_ut_strtoul64(original_object->string.pointer,
-					   ACPI_ANY_BASE, &value);
+					   ACPI_ANY_BASE,
+					   acpi_gbl_integer_byte_width, &value);
 		if (ACPI_FAILURE(status)) {
 			return (status);
 		}
@@ -317,7 +318,7 @@
  ******************************************************************************/
 
 acpi_status
-acpi_ns_convert_to_unicode(struct acpi_namespace_node * scope,
+acpi_ns_convert_to_unicode(struct acpi_namespace_node *scope,
 			   union acpi_operand_object *original_object,
 			   union acpi_operand_object **return_object)
 {
@@ -384,7 +385,7 @@
  ******************************************************************************/
 
 acpi_status
-acpi_ns_convert_to_resource(struct acpi_namespace_node * scope,
+acpi_ns_convert_to_resource(struct acpi_namespace_node *scope,
 			    union acpi_operand_object *original_object,
 			    union acpi_operand_object **return_object)
 {
@@ -463,7 +464,7 @@
  ******************************************************************************/
 
 acpi_status
-acpi_ns_convert_to_reference(struct acpi_namespace_node * scope,
+acpi_ns_convert_to_reference(struct acpi_namespace_node *scope,
 			     union acpi_operand_object *original_object,
 			     union acpi_operand_object **return_object)
 {
diff --git a/drivers/acpi/acpica/nsdump.c b/drivers/acpi/acpica/nsdump.c
index af236e3..ce1f860 100644
--- a/drivers/acpi/acpica/nsdump.c
+++ b/drivers/acpi/acpica/nsdump.c
@@ -81,7 +81,7 @@
  *
  ******************************************************************************/
 
-void acpi_ns_print_pathname(u32 num_segments, char *pathname)
+void acpi_ns_print_pathname(u32 num_segments, const char *pathname)
 {
 	u32 i;
 
@@ -114,6 +114,9 @@
 	acpi_os_printf("]\n");
 }
 
+#ifdef ACPI_OBSOLETE_FUNCTIONS
+/* Not used at this time, perhaps later */
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ns_dump_pathname
@@ -131,7 +134,8 @@
  ******************************************************************************/
 
 void
-acpi_ns_dump_pathname(acpi_handle handle, char *msg, u32 level, u32 component)
+acpi_ns_dump_pathname(acpi_handle handle,
+		      const char *msg, u32 level, u32 component)
 {
 
 	ACPI_FUNCTION_TRACE(ns_dump_pathname);
@@ -148,6 +152,7 @@
 	acpi_os_printf("\n");
 	return_VOID;
 }
+#endif
 
 /*******************************************************************************
  *
diff --git a/drivers/acpi/acpica/nsinit.c b/drivers/acpi/acpica/nsinit.c
index d4aa8b6..36643a8 100644
--- a/drivers/acpi/acpica/nsinit.c
+++ b/drivers/acpi/acpica/nsinit.c
@@ -140,6 +140,7 @@
 {
 	acpi_status status = AE_OK;
 	struct acpi_device_walk_info info;
+	acpi_handle handle;
 
 	ACPI_FUNCTION_TRACE(ns_initialize_devices);
 
@@ -190,6 +191,27 @@
 		if (ACPI_SUCCESS(status)) {
 			info.num_INI++;
 		}
+
+		/*
+		 * Execute \_SB._INI.
+		 * There appears to be a strict order requirement for \_SB._INI,
+		 * which should be evaluated before any _REG evaluations.
+		 */
+		status = acpi_get_handle(NULL, "\\_SB", &handle);
+		if (ACPI_SUCCESS(status)) {
+			memset(info.evaluate_info, 0,
+			       sizeof(struct acpi_evaluate_info));
+			info.evaluate_info->prefix_node = handle;
+			info.evaluate_info->relative_pathname =
+			    METHOD_NAME__INI;
+			info.evaluate_info->parameters = NULL;
+			info.evaluate_info->flags = ACPI_IGNORE_RETURN_VALUE;
+
+			status = acpi_ns_evaluate(info.evaluate_info);
+			if (ACPI_SUCCESS(status)) {
+				info.num_INI++;
+			}
+		}
 	}
 
 	/*
@@ -198,6 +220,12 @@
 	 * Note: Any objects accessed by the _REG methods will be automatically
 	 * initialized, even if they contain executable AML (see the call to
 	 * acpi_ns_initialize_objects below).
+	 *
+	 * Note: According to the ACPI specification, we actually needn't execute
+	 * _REG for system_memory/system_io operation regions, but for PCI_Config
+	 * operation regions, it is required to evaluate _REG for those on a PCI
+	 * root bus that doesn't contain _BBN object. So this code is kept here
+	 * in order not to break things.
 	 */
 	if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) {
 		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
@@ -592,33 +620,37 @@
 	 * Note: We know there is an _INI within this subtree, but it may not be
 	 * under this particular device, it may be lower in the branch.
 	 */
-	ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
-			(ACPI_TYPE_METHOD, device_node, METHOD_NAME__INI));
+	if (!ACPI_COMPARE_NAME(device_node->name.ascii, "_SB_") ||
+	    device_node->parent != acpi_gbl_root_node) {
+		ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
+				(ACPI_TYPE_METHOD, device_node,
+				 METHOD_NAME__INI));
 
-	memset(info, 0, sizeof(struct acpi_evaluate_info));
-	info->prefix_node = device_node;
-	info->relative_pathname = METHOD_NAME__INI;
-	info->parameters = NULL;
-	info->flags = ACPI_IGNORE_RETURN_VALUE;
+		memset(info, 0, sizeof(struct acpi_evaluate_info));
+		info->prefix_node = device_node;
+		info->relative_pathname = METHOD_NAME__INI;
+		info->parameters = NULL;
+		info->flags = ACPI_IGNORE_RETURN_VALUE;
 
-	status = acpi_ns_evaluate(info);
-
-	if (ACPI_SUCCESS(status)) {
-		walk_info->num_INI++;
-	}
+		status = acpi_ns_evaluate(info);
+		if (ACPI_SUCCESS(status)) {
+			walk_info->num_INI++;
+		}
 #ifdef ACPI_DEBUG_OUTPUT
-	else if (status != AE_NOT_FOUND) {
+		else if (status != AE_NOT_FOUND) {
 
-		/* Ignore error and move on to next device */
+			/* Ignore error and move on to next device */
 
-		char *scope_name =
-		    acpi_ns_get_normalized_pathname(device_node, TRUE);
+			char *scope_name =
+			    acpi_ns_get_normalized_pathname(device_node, TRUE);
 
-		ACPI_EXCEPTION((AE_INFO, status, "during %s._INI execution",
-				scope_name));
-		ACPI_FREE(scope_name);
-	}
+			ACPI_EXCEPTION((AE_INFO, status,
+					"during %s._INI execution",
+					scope_name));
+			ACPI_FREE(scope_name);
+		}
 #endif
+	}
 
 	/* Ignore errors from above */
 
diff --git a/drivers/acpi/acpica/nsload.c b/drivers/acpi/acpica/nsload.c
index 75cdb87..b5e2b0a 100644
--- a/drivers/acpi/acpica/nsload.c
+++ b/drivers/acpi/acpica/nsload.c
@@ -123,8 +123,8 @@
 		(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
 		acpi_ns_delete_namespace_by_owner(acpi_gbl_root_table_list.
 						  tables[table_index].owner_id);
-		acpi_tb_release_owner_id(table_index);
 
+		acpi_tb_release_owner_id(table_index);
 		return_ACPI_STATUS(status);
 	}
 
diff --git a/drivers/acpi/acpica/nsnames.c b/drivers/acpi/acpica/nsnames.c
index eb6e1b8..f03dd41 100644
--- a/drivers/acpi/acpica/nsnames.c
+++ b/drivers/acpi/acpica/nsnames.c
@@ -113,7 +113,7 @@
 
 acpi_status
 acpi_ns_handle_to_pathname(acpi_handle target_handle,
-			   struct acpi_buffer * buffer, u8 no_trailing)
+			   struct acpi_buffer *buffer, u8 no_trailing)
 {
 	acpi_status status;
 	struct acpi_namespace_node *node;
diff --git a/drivers/acpi/acpica/nsobject.c b/drivers/acpi/acpica/nsobject.c
index 051306f..cfa2bb7 100644
--- a/drivers/acpi/acpica/nsobject.c
+++ b/drivers/acpi/acpica/nsobject.c
@@ -399,7 +399,7 @@
  ******************************************************************************/
 
 acpi_status
-acpi_ns_detach_data(struct acpi_namespace_node * node,
+acpi_ns_detach_data(struct acpi_namespace_node *node,
 		    acpi_object_handler handler)
 {
 	union acpi_operand_object *obj_desc;
@@ -444,7 +444,7 @@
  ******************************************************************************/
 
 acpi_status
-acpi_ns_get_attached_data(struct acpi_namespace_node * node,
+acpi_ns_get_attached_data(struct acpi_namespace_node *node,
 			  acpi_object_handler handler, void **data)
 {
 	union acpi_operand_object *obj_desc;
diff --git a/drivers/acpi/acpica/nsprepkg.c b/drivers/acpi/acpica/nsprepkg.c
index 9047f28..fbedc6e 100644
--- a/drivers/acpi/acpica/nsprepkg.c
+++ b/drivers/acpi/acpica/nsprepkg.c
@@ -62,6 +62,10 @@
 			       u32 count1,
 			       u8 type2, u32 count2, u32 start_index);
 
+static acpi_status
+acpi_ns_custom_package(struct acpi_evaluate_info *info,
+		       union acpi_operand_object **elements, u32 count);
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ns_check_package
@@ -135,6 +139,11 @@
 	 * PTYPE2 packages contain subpackages
 	 */
 	switch (package->ret_info.type) {
+	case ACPI_PTYPE_CUSTOM:
+
+		status = acpi_ns_custom_package(info, elements, count);
+		break;
+
 	case ACPI_PTYPE1_FIXED:
 		/*
 		 * The package count is fixed and there are no subpackages
@@ -179,6 +188,7 @@
 			if (ACPI_FAILURE(status)) {
 				return (status);
 			}
+
 			elements++;
 		}
 		break;
@@ -225,6 +235,7 @@
 					return (status);
 				}
 			}
+
 			elements++;
 		}
 		break;
@@ -569,11 +580,13 @@
 			if (sub_package->package.count < expected_count) {
 				goto package_too_small;
 			}
+
 			if (sub_package->package.count <
 			    package->ret_info.count1) {
 				expected_count = package->ret_info.count1;
 				goto package_too_small;
 			}
+
 			if (expected_count == 0) {
 				/*
 				 * Either the num_entries element was originally zero or it was
@@ -622,6 +635,83 @@
 
 /*******************************************************************************
  *
+ * FUNCTION:    acpi_ns_custom_package
+ *
+ * PARAMETERS:  info                - Method execution information block
+ *              elements            - Pointer to the package elements array
+ *              count               - Element count for the package
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Check a returned package object for the correct count and
+ *              correct type of all sub-objects.
+ *
+ * NOTE: Currently used for the _BIX method only. When needed for two or more
+ * methods, probably a detect/dispatch mechanism will be required.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ns_custom_package(struct acpi_evaluate_info *info,
+		       union acpi_operand_object **elements, u32 count)
+{
+	u32 expected_count;
+	u32 version;
+	acpi_status status = AE_OK;
+
+	ACPI_FUNCTION_NAME(ns_custom_package);
+
+	/* Get version number, must be Integer */
+
+	if ((*elements)->common.type != ACPI_TYPE_INTEGER) {
+		ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
+				      info->node_flags,
+				      "Return Package has invalid object type for version number"));
+		return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+	}
+
+	version = (u32)(*elements)->integer.value;
+	expected_count = 21;	/* Version 1 */
+
+	if (version == 0) {
+		expected_count = 20;	/* Version 0 */
+	}
+
+	if (count < expected_count) {
+		ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
+				      info->node_flags,
+				      "Return Package is too small - found %u elements, expected %u",
+				      count, expected_count));
+		return_ACPI_STATUS(AE_AML_OPERAND_VALUE);
+	} else if (count > expected_count) {
+		ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
+				  "%s: Return Package is larger than needed - "
+				  "found %u, expected %u\n",
+				  info->full_pathname, count, expected_count));
+	}
+
+	/* Validate all elements of the returned package */
+
+	status = acpi_ns_check_package_elements(info, elements,
+						ACPI_RTYPE_INTEGER, 16,
+						ACPI_RTYPE_STRING, 4, 0);
+	if (ACPI_FAILURE(status)) {
+		return_ACPI_STATUS(status);
+	}
+
+	/* Version 1 has a single trailing integer */
+
+	if (version > 0) {
+		status = acpi_ns_check_package_elements(info, elements + 20,
+							ACPI_RTYPE_INTEGER, 1,
+							0, 0, 20);
+	}
+
+	return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
  * FUNCTION:    acpi_ns_check_package_elements
  *
  * PARAMETERS:  info            - Method execution information block
@@ -661,6 +751,7 @@
 		if (ACPI_FAILURE(status)) {
 			return (status);
 		}
+
 		this_element++;
 	}
 
@@ -671,6 +762,7 @@
 		if (ACPI_FAILURE(status)) {
 			return (status);
 		}
+
 		this_element++;
 	}
 
diff --git a/drivers/acpi/acpica/nsrepair.c b/drivers/acpi/acpica/nsrepair.c
index 805e36d..9523d41 100644
--- a/drivers/acpi/acpica/nsrepair.c
+++ b/drivers/acpi/acpica/nsrepair.c
@@ -399,7 +399,7 @@
  ******************************************************************************/
 
 acpi_status
-acpi_ns_repair_null_element(struct acpi_evaluate_info * info,
+acpi_ns_repair_null_element(struct acpi_evaluate_info *info,
 			    u32 expected_btypes,
 			    u32 package_index,
 			    union acpi_operand_object **return_object_ptr)
diff --git a/drivers/acpi/acpica/nsrepair2.c b/drivers/acpi/acpica/nsrepair2.c
index 63edbbb..d533612 100644
--- a/drivers/acpi/acpica/nsrepair2.c
+++ b/drivers/acpi/acpica/nsrepair2.c
@@ -54,9 +54,9 @@
  * be repaired on a per-name basis.
  */
 typedef
-acpi_status(*acpi_repair_function) (struct acpi_evaluate_info * info,
-				    union acpi_operand_object
-				    **return_object_ptr);
+acpi_status (*acpi_repair_function) (struct acpi_evaluate_info * info,
+				     union acpi_operand_object **
+				     return_object_ptr);
 
 typedef struct acpi_repair_info {
 	char name[ACPI_NAME_SIZE];
diff --git a/drivers/acpi/acpica/nsutils.c b/drivers/acpi/acpica/nsutils.c
index c72cc62..784a30b 100644
--- a/drivers/acpi/acpica/nsutils.c
+++ b/drivers/acpi/acpica/nsutils.c
@@ -272,11 +272,11 @@
 			result = &internal_name[i];
 		} else if (num_segments == 2) {
 			internal_name[i] = AML_DUAL_NAME_PREFIX;
-			result = &internal_name[(acpi_size) i + 1];
+			result = &internal_name[(acpi_size)i + 1];
 		} else {
 			internal_name[i] = AML_MULTI_NAME_PREFIX_OP;
-			internal_name[(acpi_size) i + 1] = (char)num_segments;
-			result = &internal_name[(acpi_size) i + 2];
+			internal_name[(acpi_size)i + 1] = (char)num_segments;
+			result = &internal_name[(acpi_size)i + 2];
 		}
 	}
 
@@ -456,7 +456,7 @@
 
 			names_index = prefix_length + 2;
 			num_segments = (u8)
-			    internal_name[(acpi_size) prefix_length + 1];
+			    internal_name[(acpi_size)prefix_length + 1];
 			break;
 
 		case AML_DUAL_NAME_PREFIX:
diff --git a/drivers/acpi/acpica/nsxfeval.c b/drivers/acpi/acpica/nsxfeval.c
index a7deeaa..d2a9b4f 100644
--- a/drivers/acpi/acpica/nsxfeval.c
+++ b/drivers/acpi/acpica/nsxfeval.c
@@ -256,7 +256,7 @@
 		 * Allocate a new parameter block for the internal objects
 		 * Add 1 to count to allow for null terminated internal list
 		 */
-		info->parameters = ACPI_ALLOCATE_ZEROED(((acpi_size) info->
+		info->parameters = ACPI_ALLOCATE_ZEROED(((acpi_size)info->
 							 param_count +
 							 1) * sizeof(void *));
 		if (!info->parameters) {
@@ -280,13 +280,12 @@
 		info->parameters[info->param_count] = NULL;
 	}
 
-#if 0
+#ifdef _FUTURE_FEATURE
 
 	/*
 	 * Begin incoming argument count analysis. Check for too few args
 	 * and too many args.
 	 */
-
 	switch (acpi_ns_get_type(info->node)) {
 	case ACPI_TYPE_METHOD:
 
@@ -370,68 +369,68 @@
 	 * If we are expecting a return value, and all went well above,
 	 * copy the return value to an external object.
 	 */
-	if (return_buffer) {
-		if (!info->return_object) {
-			return_buffer->length = 0;
+	if (!return_buffer) {
+		goto cleanup_return_object;
+	}
+
+	if (!info->return_object) {
+		return_buffer->length = 0;
+		goto cleanup;
+	}
+
+	if (ACPI_GET_DESCRIPTOR_TYPE(info->return_object) ==
+	    ACPI_DESC_TYPE_NAMED) {
+		/*
+		 * If we received a NS Node as a return object, this means that
+		 * the object we are evaluating has nothing interesting to
+		 * return (such as a mutex, etc.)  We return an error because
+		 * these types are essentially unsupported by this interface.
+		 * We don't check up front because this makes it easier to add
+		 * support for various types at a later date if necessary.
+		 */
+		status = AE_TYPE;
+		info->return_object = NULL;	/* No need to delete a NS Node */
+		return_buffer->length = 0;
+	}
+
+	if (ACPI_FAILURE(status)) {
+		goto cleanup_return_object;
+	}
+
+	/* Dereference Index and ref_of references */
+
+	acpi_ns_resolve_references(info);
+
+	/* Get the size of the returned object */
+
+	status = acpi_ut_get_object_size(info->return_object,
+					 &buffer_space_needed);
+	if (ACPI_SUCCESS(status)) {
+
+		/* Validate/Allocate/Clear caller buffer */
+
+		status = acpi_ut_initialize_buffer(return_buffer,
+						   buffer_space_needed);
+		if (ACPI_FAILURE(status)) {
+			/*
+			 * Caller's buffer is too small or a new one can't
+			 * be allocated
+			 */
+			ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+					  "Needed buffer size %X, %s\n",
+					  (u32)buffer_space_needed,
+					  acpi_format_exception(status)));
 		} else {
-			if (ACPI_GET_DESCRIPTOR_TYPE(info->return_object) ==
-			    ACPI_DESC_TYPE_NAMED) {
-				/*
-				 * If we received a NS Node as a return object, this means that
-				 * the object we are evaluating has nothing interesting to
-				 * return (such as a mutex, etc.)  We return an error because
-				 * these types are essentially unsupported by this interface.
-				 * We don't check up front because this makes it easier to add
-				 * support for various types at a later date if necessary.
-				 */
-				status = AE_TYPE;
-				info->return_object = NULL;	/* No need to delete a NS Node */
-				return_buffer->length = 0;
-			}
+			/* We have enough space for the object, build it */
 
-			if (ACPI_SUCCESS(status)) {
-
-				/* Dereference Index and ref_of references */
-
-				acpi_ns_resolve_references(info);
-
-				/* Get the size of the returned object */
-
-				status =
-				    acpi_ut_get_object_size(info->return_object,
-							    &buffer_space_needed);
-				if (ACPI_SUCCESS(status)) {
-
-					/* Validate/Allocate/Clear caller buffer */
-
-					status =
-					    acpi_ut_initialize_buffer
-					    (return_buffer,
-					     buffer_space_needed);
-					if (ACPI_FAILURE(status)) {
-						/*
-						 * Caller's buffer is too small or a new one can't
-						 * be allocated
-						 */
-						ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-								  "Needed buffer size %X, %s\n",
-								  (u32)
-								  buffer_space_needed,
-								  acpi_format_exception
-								  (status)));
-					} else {
-						/* We have enough space for the object, build it */
-
-						status =
-						    acpi_ut_copy_iobject_to_eobject
-						    (info->return_object,
-						     return_buffer);
-					}
-				}
-			}
+			status =
+			    acpi_ut_copy_iobject_to_eobject(info->return_object,
+							    return_buffer);
 		}
 	}
 
+cleanup_return_object:
+
 	if (info->return_object) {
 		/*
 		 * Delete the internal return object. NOTE: Interpreter must be
diff --git a/drivers/acpi/acpica/nsxfname.c b/drivers/acpi/acpica/nsxfname.c
index 285b820..76a1bd4 100644
--- a/drivers/acpi/acpica/nsxfname.c
+++ b/drivers/acpi/acpica/nsxfname.c
@@ -78,7 +78,7 @@
 
 acpi_status
 acpi_get_handle(acpi_handle parent,
-		acpi_string pathname, acpi_handle * ret_handle)
+		acpi_string pathname, acpi_handle *ret_handle)
 {
 	acpi_status status;
 	struct acpi_namespace_node *node = NULL;
@@ -155,7 +155,7 @@
  *
  ******************************************************************************/
 acpi_status
-acpi_get_name(acpi_handle handle, u32 name_type, struct acpi_buffer * buffer)
+acpi_get_name(acpi_handle handle, u32 name_type, struct acpi_buffer *buffer)
 {
 	acpi_status status;
 	struct acpi_namespace_node *node;
@@ -448,7 +448,7 @@
 		/* Point past the CID PNP_DEVICE_ID array */
 
 		next_id_string +=
-		    ((acpi_size) cid_list->count *
+		    ((acpi_size)cid_list->count *
 		     sizeof(struct acpi_pnp_device_id));
 	}
 
diff --git a/drivers/acpi/acpica/nsxfobj.c b/drivers/acpi/acpica/nsxfobj.c
index c312cd4..32d372b 100644
--- a/drivers/acpi/acpica/nsxfobj.c
+++ b/drivers/acpi/acpica/nsxfobj.c
@@ -63,7 +63,7 @@
  * DESCRIPTION: This routine returns the type associatd with a particular handle
  *
  ******************************************************************************/
-acpi_status acpi_get_type(acpi_handle handle, acpi_object_type * ret_type)
+acpi_status acpi_get_type(acpi_handle handle, acpi_object_type *ret_type)
 {
 	struct acpi_namespace_node *node;
 	acpi_status status;
@@ -115,7 +115,7 @@
  *              Handle.
  *
  ******************************************************************************/
-acpi_status acpi_get_parent(acpi_handle handle, acpi_handle * ret_handle)
+acpi_status acpi_get_parent(acpi_handle handle, acpi_handle *ret_handle)
 {
 	struct acpi_namespace_node *node;
 	struct acpi_namespace_node *parent_node;
@@ -183,7 +183,7 @@
 acpi_status
 acpi_get_next_object(acpi_object_type type,
 		     acpi_handle parent,
-		     acpi_handle child, acpi_handle * ret_handle)
+		     acpi_handle child, acpi_handle *ret_handle)
 {
 	acpi_status status;
 	struct acpi_namespace_node *node;
diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c
index d48cbed..c29c930 100644
--- a/drivers/acpi/acpica/psargs.c
+++ b/drivers/acpi/acpica/psargs.c
@@ -87,7 +87,7 @@
 	 * used to encode the package length, either 0,1,2, or 3
 	 */
 	byte_count = (aml[0] >> 6);
-	parser_state->aml += ((acpi_size) byte_count + 1);
+	parser_state->aml += ((acpi_size)byte_count + 1);
 
 	/* Get bytes 3, 2, 1 as needed */
 
diff --git a/drivers/acpi/acpica/psopinfo.c b/drivers/acpi/acpica/psopinfo.c
index cfd17a4..177b05b 100644
--- a/drivers/acpi/acpica/psopinfo.c
+++ b/drivers/acpi/acpica/psopinfo.c
@@ -158,7 +158,7 @@
  *
  ******************************************************************************/
 
-char *acpi_ps_get_opcode_name(u16 opcode)
+const char *acpi_ps_get_opcode_name(u16 opcode)
 {
 #if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
 
diff --git a/drivers/acpi/acpica/psparse.c b/drivers/acpi/acpica/psparse.c
index 8038ed2ac..0a23897 100644
--- a/drivers/acpi/acpica/psparse.c
+++ b/drivers/acpi/acpica/psparse.c
@@ -130,8 +130,8 @@
  ******************************************************************************/
 
 acpi_status
-acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
-			 union acpi_parse_object * op)
+acpi_ps_complete_this_op(struct acpi_walk_state *walk_state,
+			 union acpi_parse_object *op)
 {
 	union acpi_parse_object *prev;
 	union acpi_parse_object *next;
diff --git a/drivers/acpi/acpica/psutils.c b/drivers/acpi/acpica/psutils.c
index b28b0da..89cb4bf 100644
--- a/drivers/acpi/acpica/psutils.c
+++ b/drivers/acpi/acpica/psutils.c
@@ -128,7 +128,7 @@
 	if (op_info->flags & AML_DEFER) {
 		flags = ACPI_PARSEOP_DEFERRED;
 	} else if (op_info->flags & AML_NAMED) {
-		flags = ACPI_PARSEOP_NAMED;
+		flags = ACPI_PARSEOP_NAMED_OBJECT;
 	} else if (opcode == AML_INT_BYTELIST_OP) {
 		flags = ACPI_PARSEOP_BYTELIST;
 	}
diff --git a/drivers/acpi/acpica/psxface.c b/drivers/acpi/acpica/psxface.c
index 04b37fcc..cf30cd82 100644
--- a/drivers/acpi/acpica/psxface.c
+++ b/drivers/acpi/acpica/psxface.c
@@ -115,7 +115,7 @@
  *
  ******************************************************************************/
 
-acpi_status acpi_ps_execute_method(struct acpi_evaluate_info * info)
+acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info)
 {
 	acpi_status status;
 	union acpi_parse_object *op;
diff --git a/drivers/acpi/acpica/rscalc.c b/drivers/acpi/acpica/rscalc.c
index 2b1209d..f1e83ad 100644
--- a/drivers/acpi/acpica/rscalc.c
+++ b/drivers/acpi/acpica/rscalc.c
@@ -112,7 +112,7 @@
 	 * resource_source_index (1).
 	 */
 	if (resource_source->string_ptr) {
-		return ((acpi_rs_length) (resource_source->string_length + 1));
+		return ((acpi_rs_length)(resource_source->string_length + 1));
 	}
 
 	return (0);
@@ -188,7 +188,7 @@
 
 acpi_status
 acpi_rs_get_aml_length(struct acpi_resource *resource,
-		       acpi_size resource_list_size, acpi_size * size_needed)
+		       acpi_size resource_list_size, acpi_size *size_needed)
 {
 	acpi_size aml_size_needed = 0;
 	struct acpi_resource *resource_end;
@@ -278,11 +278,11 @@
 			 * 16-Bit Address Resource:
 			 * Add the size of the optional resource_source info
 			 */
-			total_size = (acpi_rs_length) (total_size +
-						       acpi_rs_struct_option_length
-						       (&resource->data.
-							address16.
-							resource_source));
+			total_size = (acpi_rs_length)(total_size +
+						      acpi_rs_struct_option_length
+						      (&resource->data.
+						       address16.
+						       resource_source));
 			break;
 
 		case ACPI_RESOURCE_TYPE_ADDRESS32:
@@ -290,11 +290,11 @@
 			 * 32-Bit Address Resource:
 			 * Add the size of the optional resource_source info
 			 */
-			total_size = (acpi_rs_length) (total_size +
-						       acpi_rs_struct_option_length
-						       (&resource->data.
-							address32.
-							resource_source));
+			total_size = (acpi_rs_length)(total_size +
+						      acpi_rs_struct_option_length
+						      (&resource->data.
+						       address32.
+						       resource_source));
 			break;
 
 		case ACPI_RESOURCE_TYPE_ADDRESS64:
@@ -302,11 +302,11 @@
 			 * 64-Bit Address Resource:
 			 * Add the size of the optional resource_source info
 			 */
-			total_size = (acpi_rs_length) (total_size +
-						       acpi_rs_struct_option_length
-						       (&resource->data.
-							address64.
-							resource_source));
+			total_size = (acpi_rs_length)(total_size +
+						      acpi_rs_struct_option_length
+						      (&resource->data.
+						       address64.
+						       resource_source));
 			break;
 
 		case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
@@ -315,28 +315,28 @@
 			 * Add the size of each additional optional interrupt beyond the
 			 * required 1 (4 bytes for each u32 interrupt number)
 			 */
-			total_size = (acpi_rs_length) (total_size +
-						       ((resource->data.
-							 extended_irq.
-							 interrupt_count -
-							 1) * 4) +
-						       /* Add the size of the optional resource_source info */
-						       acpi_rs_struct_option_length
-						       (&resource->data.
+			total_size = (acpi_rs_length)(total_size +
+						      ((resource->data.
 							extended_irq.
-							resource_source));
+							interrupt_count -
+							1) * 4) +
+						      /* Add the size of the optional resource_source info */
+						      acpi_rs_struct_option_length
+						      (&resource->data.
+						       extended_irq.
+						       resource_source));
 			break;
 
 		case ACPI_RESOURCE_TYPE_GPIO:
 
-			total_size = (acpi_rs_length) (total_size +
-						       (resource->data.gpio.
-							pin_table_length * 2) +
-						       resource->data.gpio.
-						       resource_source.
-						       string_length +
-						       resource->data.gpio.
-						       vendor_length);
+			total_size = (acpi_rs_length)(total_size +
+						      (resource->data.gpio.
+						       pin_table_length * 2) +
+						      resource->data.gpio.
+						      resource_source.
+						      string_length +
+						      resource->data.gpio.
+						      vendor_length);
 
 			break;
 
@@ -348,14 +348,14 @@
 								   common_serial_bus.
 								   type];
 
-			total_size = (acpi_rs_length) (total_size +
-						       resource->data.
-						       i2c_serial_bus.
-						       resource_source.
-						       string_length +
-						       resource->data.
-						       i2c_serial_bus.
-						       vendor_length);
+			total_size = (acpi_rs_length)(total_size +
+						      resource->data.
+						      i2c_serial_bus.
+						      resource_source.
+						      string_length +
+						      resource->data.
+						      i2c_serial_bus.
+						      vendor_length);
 
 			break;
 
@@ -397,8 +397,8 @@
  ******************************************************************************/
 
 acpi_status
-acpi_rs_get_list_length(u8 * aml_buffer,
-			u32 aml_buffer_length, acpi_size * size_needed)
+acpi_rs_get_list_length(u8 *aml_buffer,
+			u32 aml_buffer_length, acpi_size *size_needed)
 {
 	acpi_status status;
 	u8 *end_aml;
@@ -610,7 +610,7 @@
 
 acpi_status
 acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
-				     acpi_size * buffer_size_needed)
+				     acpi_size *buffer_size_needed)
 {
 	u32 number_of_elements;
 	acpi_size temp_size_needed = 0;
diff --git a/drivers/acpi/acpica/rscreate.c b/drivers/acpi/acpica/rscreate.c
index 1297889..809b61c 100644
--- a/drivers/acpi/acpica/rscreate.c
+++ b/drivers/acpi/acpica/rscreate.c
@@ -347,7 +347,7 @@
 					   (u8 *) output_buffer->pointer);
 				path_buffer.pointer = user_prt->source;
 
-				status = acpi_ns_handle_to_pathname((acpi_handle) node, &path_buffer, FALSE);
+				status = acpi_ns_handle_to_pathname((acpi_handle)node, &path_buffer, FALSE);
 
 				/* +1 to include null terminator */
 
diff --git a/drivers/acpi/acpica/rsdump.c b/drivers/acpi/acpica/rsdump.c
index 23a17c8..5ffdb56 100644
--- a/drivers/acpi/acpica/rsdump.c
+++ b/drivers/acpi/acpica/rsdump.c
@@ -52,17 +52,17 @@
  * All functions in this module are used by the AML Debugger only
  */
 /* Local prototypes */
-static void acpi_rs_out_string(char *title, char *value);
+static void acpi_rs_out_string(const char *title, const char *value);
 
-static void acpi_rs_out_integer8(char *title, u8 value);
+static void acpi_rs_out_integer8(const char *title, u8 value);
 
-static void acpi_rs_out_integer16(char *title, u16 value);
+static void acpi_rs_out_integer16(const char *title, u16 value);
 
-static void acpi_rs_out_integer32(char *title, u32 value);
+static void acpi_rs_out_integer32(const char *title, u32 value);
 
-static void acpi_rs_out_integer64(char *title, u64 value);
+static void acpi_rs_out_integer64(const char *title, u64 value);
 
-static void acpi_rs_out_title(char *title);
+static void acpi_rs_out_title(const char *title);
 
 static void acpi_rs_dump_byte_list(u16 length, u8 *data);
 
@@ -208,7 +208,7 @@
 {
 	u8 *target = NULL;
 	u8 *previous_target;
-	char *name;
+	const char *name;
 	u8 count;
 
 	/* First table entry must contain the table length (# of table entries) */
@@ -248,10 +248,8 @@
 		case ACPI_RSD_UINT8:
 
 			if (table->pointer) {
-				acpi_rs_out_string(name, ACPI_CAST_PTR(char,
-								       table->
-								       pointer
-								       [*target]));
+				acpi_rs_out_string(name,
+						   table->pointer[*target]);
 			} else {
 				acpi_rs_out_integer8(name, ACPI_GET8(target));
 			}
@@ -276,26 +274,20 @@
 
 		case ACPI_RSD_1BITFLAG:
 
-			acpi_rs_out_string(name, ACPI_CAST_PTR(char,
-							       table->
-							       pointer[*target &
-								       0x01]));
+			acpi_rs_out_string(name,
+					   table->pointer[*target & 0x01]);
 			break;
 
 		case ACPI_RSD_2BITFLAG:
 
-			acpi_rs_out_string(name, ACPI_CAST_PTR(char,
-							       table->
-							       pointer[*target &
-								       0x03]));
+			acpi_rs_out_string(name,
+					   table->pointer[*target & 0x03]);
 			break;
 
 		case ACPI_RSD_3BITFLAG:
 
-			acpi_rs_out_string(name, ACPI_CAST_PTR(char,
-							       table->
-							       pointer[*target &
-								       0x07]));
+			acpi_rs_out_string(name,
+					   table->pointer[*target & 0x07]);
 			break;
 
 		case ACPI_RSD_SHORTLIST:
@@ -481,7 +473,7 @@
  *
  ******************************************************************************/
 
-static void acpi_rs_out_string(char *title, char *value)
+static void acpi_rs_out_string(const char *title, const char *value)
 {
 
 	acpi_os_printf("%27s : %s", title, value);
@@ -491,30 +483,30 @@
 	acpi_os_printf("\n");
 }
 
-static void acpi_rs_out_integer8(char *title, u8 value)
+static void acpi_rs_out_integer8(const char *title, u8 value)
 {
 	acpi_os_printf("%27s : %2.2X\n", title, value);
 }
 
-static void acpi_rs_out_integer16(char *title, u16 value)
+static void acpi_rs_out_integer16(const char *title, u16 value)
 {
 
 	acpi_os_printf("%27s : %4.4X\n", title, value);
 }
 
-static void acpi_rs_out_integer32(char *title, u32 value)
+static void acpi_rs_out_integer32(const char *title, u32 value)
 {
 
 	acpi_os_printf("%27s : %8.8X\n", title, value);
 }
 
-static void acpi_rs_out_integer64(char *title, u64 value)
+static void acpi_rs_out_integer64(const char *title, u64 value)
 {
 
 	acpi_os_printf("%27s : %8.8X%8.8X\n", title, ACPI_FORMAT_UINT64(value));
 }
 
-static void acpi_rs_out_title(char *title)
+static void acpi_rs_out_title(const char *title)
 {
 
 	acpi_os_printf("%27s : ", title);
diff --git a/drivers/acpi/acpica/rsdumpinfo.c b/drivers/acpi/acpica/rsdumpinfo.c
index 5c34913..61e8f16 100644
--- a/drivers/acpi/acpica/rsdumpinfo.c
+++ b/drivers/acpi/acpica/rsdumpinfo.c
@@ -330,19 +330,20 @@
 	{ACPI_RSD_UINT8,    ACPI_RSD_OFFSET (common_serial_bus.type),           "Type",                     acpi_gbl_sbt_decode}, \
 	{ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET (common_serial_bus.producer_consumer), "ProducerConsumer",      acpi_gbl_consume_decode}, \
 	{ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET (common_serial_bus.slave_mode),     "SlaveMode",                acpi_gbl_sm_decode}, \
+	{ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET (common_serial_bus.connection_sharing),"ConnectionSharing",     acpi_gbl_shr_decode}, \
 	{ACPI_RSD_UINT8,    ACPI_RSD_OFFSET (common_serial_bus.type_revision_id), "TypeRevisionId",         NULL}, \
 	{ACPI_RSD_UINT16,   ACPI_RSD_OFFSET (common_serial_bus.type_data_length), "TypeDataLength",         NULL}, \
 	{ACPI_RSD_SOURCE,   ACPI_RSD_OFFSET (common_serial_bus.resource_source), "ResourceSource",          NULL}, \
 	{ACPI_RSD_UINT16,   ACPI_RSD_OFFSET (common_serial_bus.vendor_length),  "VendorLength",             NULL}, \
 	{ACPI_RSD_SHORTLISTX,ACPI_RSD_OFFSET (common_serial_bus.vendor_data),   "VendorData",               NULL},
 
-struct acpi_rsdump_info acpi_rs_dump_common_serial_bus[10] = {
+struct acpi_rsdump_info acpi_rs_dump_common_serial_bus[11] = {
 	{ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_common_serial_bus),
 	 "Common Serial Bus", NULL},
 	ACPI_RS_DUMP_COMMON_SERIAL_BUS
 };
 
-struct acpi_rsdump_info acpi_rs_dump_i2c_serial_bus[13] = {
+struct acpi_rsdump_info acpi_rs_dump_i2c_serial_bus[14] = {
 	{ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_i2c_serial_bus),
 	 "I2C Serial Bus", NULL},
 	ACPI_RS_DUMP_COMMON_SERIAL_BUS {ACPI_RSD_1BITFLAG,
@@ -355,7 +356,7 @@
 	 "SlaveAddress", NULL},
 };
 
-struct acpi_rsdump_info acpi_rs_dump_spi_serial_bus[17] = {
+struct acpi_rsdump_info acpi_rs_dump_spi_serial_bus[18] = {
 	{ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_spi_serial_bus),
 	 "Spi Serial Bus", NULL},
 	ACPI_RS_DUMP_COMMON_SERIAL_BUS {ACPI_RSD_1BITFLAG,
@@ -376,7 +377,7 @@
 	 "ConnectionSpeed", NULL},
 };
 
-struct acpi_rsdump_info acpi_rs_dump_uart_serial_bus[19] = {
+struct acpi_rsdump_info acpi_rs_dump_uart_serial_bus[20] = {
 	{ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_uart_serial_bus),
 	 "Uart Serial Bus", NULL},
 	ACPI_RS_DUMP_COMMON_SERIAL_BUS {ACPI_RSD_2BITFLAG,
diff --git a/drivers/acpi/acpica/rsmisc.c b/drivers/acpi/acpica/rsmisc.c
index ce3d0b7..25165ca 100644
--- a/drivers/acpi/acpica/rsmisc.c
+++ b/drivers/acpi/acpica/rsmisc.c
@@ -87,7 +87,7 @@
 		return_ACPI_STATUS(AE_BAD_PARAMETER);
 	}
 
-	if (((acpi_size) resource) & 0x3) {
+	if (((acpi_size)resource) & 0x3) {
 
 		/* Each internal resource struct is expected to be 32-bit aligned */
 
diff --git a/drivers/acpi/acpica/rsserial.c b/drivers/acpi/acpica/rsserial.c
index 8a01296..b82c061 100644
--- a/drivers/acpi/acpica/rsserial.c
+++ b/drivers/acpi/acpica/rsserial.c
@@ -151,7 +151,7 @@
  *
  ******************************************************************************/
 
-struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[16] = {
+struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[17] = {
 	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS,
 	 ACPI_RS_SIZE(struct acpi_resource_i2c_serialbus),
 	 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_i2c_serial_bus)},
@@ -177,6 +177,11 @@
 	 AML_OFFSET(common_serial_bus.flags),
 	 1},
 
+	{ACPI_RSC_1BITFLAG,
+	 ACPI_RS_OFFSET(data.common_serial_bus.connection_sharing),
+	 AML_OFFSET(common_serial_bus.flags),
+	 2},
+
 	{ACPI_RSC_MOVE8,
 	 ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id),
 	 AML_OFFSET(common_serial_bus.type_revision_id),
@@ -237,7 +242,7 @@
  *
  ******************************************************************************/
 
-struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[20] = {
+struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[21] = {
 	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS,
 	 ACPI_RS_SIZE(struct acpi_resource_spi_serialbus),
 	 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_spi_serial_bus)},
@@ -263,6 +268,11 @@
 	 AML_OFFSET(common_serial_bus.flags),
 	 1},
 
+	{ACPI_RSC_1BITFLAG,
+	 ACPI_RS_OFFSET(data.common_serial_bus.connection_sharing),
+	 AML_OFFSET(common_serial_bus.flags),
+	 2},
+
 	{ACPI_RSC_MOVE8,
 	 ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id),
 	 AML_OFFSET(common_serial_bus.type_revision_id),
@@ -339,7 +349,7 @@
  *
  ******************************************************************************/
 
-struct acpi_rsconvert_info acpi_rs_convert_uart_serial_bus[22] = {
+struct acpi_rsconvert_info acpi_rs_convert_uart_serial_bus[23] = {
 	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS,
 	 ACPI_RS_SIZE(struct acpi_resource_uart_serialbus),
 	 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_uart_serial_bus)},
@@ -365,6 +375,11 @@
 	 AML_OFFSET(common_serial_bus.flags),
 	 1},
 
+	{ACPI_RSC_1BITFLAG,
+	 ACPI_RS_OFFSET(data.common_serial_bus.connection_sharing),
+	 AML_OFFSET(common_serial_bus.flags),
+	 2},
+
 	{ACPI_RSC_MOVE8,
 	 ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id),
 	 AML_OFFSET(common_serial_bus.type_revision_id),
diff --git a/drivers/acpi/acpica/rsutils.c b/drivers/acpi/acpica/rsutils.c
index cf06e49..fa491c6 100644
--- a/drivers/acpi/acpica/rsutils.c
+++ b/drivers/acpi/acpica/rsutils.c
@@ -338,7 +338,7 @@
 	 * Note: Some resource descriptors will have an additional null, so
 	 * we add 1 to the minimum length.
 	 */
-	if (total_length > (acpi_rsdesc_size) (minimum_length + 1)) {
+	if (total_length > (acpi_rsdesc_size)(minimum_length + 1)) {
 
 		/* Get the resource_source_index */
 
@@ -377,7 +377,7 @@
 				   ACPI_CAST_PTR(char,
 						 &aml_resource_source[1]));
 
-		return ((acpi_rs_length) total_length);
+		return ((acpi_rs_length)total_length);
 	}
 
 	/* resource_source is not present */
@@ -406,9 +406,9 @@
  ******************************************************************************/
 
 acpi_rsdesc_size
-acpi_rs_set_resource_source(union aml_resource * aml,
+acpi_rs_set_resource_source(union aml_resource *aml,
 			    acpi_rs_length minimum_length,
-			    struct acpi_resource_source * resource_source)
+			    struct acpi_resource_source *resource_source)
 {
 	u8 *aml_resource_source;
 	acpi_rsdesc_size descriptor_length;
@@ -466,8 +466,8 @@
  ******************************************************************************/
 
 acpi_status
-acpi_rs_get_prt_method_data(struct acpi_namespace_node * node,
-			    struct acpi_buffer * ret_buffer)
+acpi_rs_get_prt_method_data(struct acpi_namespace_node *node,
+			    struct acpi_buffer *ret_buffer)
 {
 	union acpi_operand_object *obj_desc;
 	acpi_status status;
@@ -671,7 +671,7 @@
 
 acpi_status
 acpi_rs_get_method_data(acpi_handle handle,
-			char *path, struct acpi_buffer *ret_buffer)
+			const char *path, struct acpi_buffer *ret_buffer)
 {
 	union acpi_operand_object *obj_desc;
 	acpi_status status;
diff --git a/drivers/acpi/acpica/rsxface.c b/drivers/acpi/acpica/rsxface.c
index 900933b..465ed81 100644
--- a/drivers/acpi/acpica/rsxface.c
+++ b/drivers/acpi/acpica/rsxface.c
@@ -433,8 +433,8 @@
 acpi_status
 acpi_get_vendor_resource(acpi_handle device_handle,
 			 char *name,
-			 struct acpi_vendor_uuid * uuid,
-			 struct acpi_buffer * ret_buffer)
+			 struct acpi_vendor_uuid *uuid,
+			 struct acpi_buffer *ret_buffer)
 {
 	struct acpi_vendor_walk_info info;
 	acpi_status status;
@@ -539,7 +539,7 @@
  ******************************************************************************/
 
 acpi_status
-acpi_walk_resource_buffer(struct acpi_buffer * buffer,
+acpi_walk_resource_buffer(struct acpi_buffer *buffer,
 			  acpi_walk_resource_callback user_function,
 			  void *context)
 {
diff --git a/drivers/acpi/acpica/tbdata.c b/drivers/acpi/acpica/tbdata.c
index 7da79ce..1388a19 100644
--- a/drivers/acpi/acpica/tbdata.c
+++ b/drivers/acpi/acpica/tbdata.c
@@ -368,7 +368,7 @@
  *****************************************************************************/
 
 acpi_status
-acpi_tb_verify_temp_table(struct acpi_table_desc * table_desc, char *signature)
+acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc, char *signature)
 {
 	acpi_status status = AE_OK;
 
@@ -401,9 +401,9 @@
 			ACPI_EXCEPTION((AE_INFO, AE_NO_MEMORY,
 					"%4.4s 0x%8.8X%8.8X"
 					" Attempted table install failed",
-					acpi_ut_valid_acpi_name(table_desc->
-								signature.
-								ascii) ?
+					acpi_ut_valid_nameseg(table_desc->
+							      signature.
+							      ascii) ?
 					table_desc->signature.ascii : "????",
 					ACPI_FORMAT_UINT64(table_desc->
 							   address)));
@@ -454,7 +454,7 @@
 		table_count = acpi_gbl_root_table_list.current_table_count;
 	}
 
-	tables = ACPI_ALLOCATE_ZEROED(((acpi_size) table_count +
+	tables = ACPI_ALLOCATE_ZEROED(((acpi_size)table_count +
 				       ACPI_ROOT_TABLE_SIZE_INCREMENT) *
 				      sizeof(struct acpi_table_desc));
 	if (!tables) {
@@ -467,8 +467,7 @@
 
 	if (acpi_gbl_root_table_list.tables) {
 		memcpy(tables, acpi_gbl_root_table_list.tables,
-		       (acpi_size) table_count *
-		       sizeof(struct acpi_table_desc));
+		       (acpi_size)table_count * sizeof(struct acpi_table_desc));
 
 		if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) {
 			ACPI_FREE(acpi_gbl_root_table_list.tables);
@@ -701,7 +700,7 @@
  *
  ******************************************************************************/
 
-acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id * owner_id)
+acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id *owner_id)
 {
 	acpi_status status = AE_BAD_PARAMETER;
 
diff --git a/drivers/acpi/acpica/tbfadt.c b/drivers/acpi/acpica/tbfadt.c
index a79e4f3..6208069 100644
--- a/drivers/acpi/acpica/tbfadt.c
+++ b/drivers/acpi/acpica/tbfadt.c
@@ -53,7 +53,7 @@
 acpi_tb_init_generic_address(struct acpi_generic_address *generic_address,
 			     u8 space_id,
 			     u8 byte_width,
-			     u64 address, char *register_name, u8 flags);
+			     u64 address, const char *register_name, u8 flags);
 
 static void acpi_tb_convert_fadt(void);
 
@@ -65,7 +65,7 @@
 /* Table for conversion of FADT to common internal format and FADT validation */
 
 typedef struct acpi_fadt_info {
-	char *name;
+	const char *name;
 	u16 address64;
 	u16 address32;
 	u16 length;
@@ -192,7 +192,7 @@
 acpi_tb_init_generic_address(struct acpi_generic_address *generic_address,
 			     u8 space_id,
 			     u8 byte_width,
-			     u64 address, char *register_name, u8 flags)
+			     u64 address, const char *register_name, u8 flags)
 {
 	u8 bit_width;
 
@@ -344,7 +344,7 @@
 
 	/* Obtain the DSDT and FACS tables via their addresses within the FADT */
 
-	acpi_tb_install_fixed_table((acpi_physical_address) acpi_gbl_FADT.Xdsdt,
+	acpi_tb_install_fixed_table((acpi_physical_address)acpi_gbl_FADT.Xdsdt,
 				    ACPI_SIG_DSDT, &acpi_gbl_dsdt_index);
 
 	/* If Hardware Reduced flag is set, there is no FACS */
@@ -385,14 +385,15 @@
 {
 	/*
 	 * Check if the FADT is larger than the largest table that we expect
-	 * (the ACPI 5.0 version). If so, truncate the table, and issue
-	 * a warning.
+	 * (typically the current ACPI specification version). If so, truncate
+	 * the table, and issue a warning.
 	 */
 	if (length > sizeof(struct acpi_table_fadt)) {
 		ACPI_BIOS_WARNING((AE_INFO,
-				   "FADT (revision %u) is longer than ACPI 5.0 version, "
+				   "FADT (revision %u) is longer than %s length, "
 				   "truncating length %u to %u",
-				   table->revision, length,
+				   table->revision, ACPI_FADT_CONFORMANCE,
+				   length,
 				   (u32)sizeof(struct acpi_table_fadt)));
 	}
 
@@ -467,7 +468,7 @@
 
 static void acpi_tb_convert_fadt(void)
 {
-	char *name;
+	const char *name;
 	struct acpi_generic_address *address64;
 	u32 address32;
 	u8 length;
@@ -646,9 +647,12 @@
 			if ((address64->address && !length) ||
 			    (!address64->address && length)) {
 				ACPI_BIOS_WARNING((AE_INFO,
-						   "Optional FADT field %s has zero address or length: "
-						   "0x%8.8X%8.8X/0x%X",
-						   name,
+						   "Optional FADT field %s has valid %s but zero %s: "
+						   "0x%8.8X%8.8X/0x%X", name,
+						   (length ? "Length" :
+						    "Address"),
+						   (length ? "Address" :
+						    "Length"),
 						   ACPI_FORMAT_UINT64
 						   (address64->address),
 						   length));
diff --git a/drivers/acpi/acpica/tbfind.c b/drivers/acpi/acpica/tbfind.c
index f2d0803..e348d61 100644
--- a/drivers/acpi/acpica/tbfind.c
+++ b/drivers/acpi/acpica/tbfind.c
@@ -76,7 +76,7 @@
 
 	/* Validate the input table signature */
 
-	if (!acpi_is_valid_signature(signature)) {
+	if (!acpi_ut_valid_nameseg(signature)) {
 		return_ACPI_STATUS(AE_BAD_SIGNATURE);
 	}
 
diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c
index 4dc6108..8b13052 100644
--- a/drivers/acpi/acpica/tbinstal.c
+++ b/drivers/acpi/acpica/tbinstal.c
@@ -299,9 +299,9 @@
 			ACPI_BIOS_ERROR((AE_INFO,
 					 "Table has invalid signature [%4.4s] (0x%8.8X), "
 					 "must be SSDT or OEMx",
-					 acpi_ut_valid_acpi_name(new_table_desc.
-								 signature.
-								 ascii) ?
+					 acpi_ut_valid_nameseg(new_table_desc.
+							       signature.
+							       ascii) ?
 					 new_table_desc.signature.
 					 ascii : "????",
 					 new_table_desc.signature.integer));
diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c
index 9240c76..e285539 100644
--- a/drivers/acpi/acpica/tbutils.c
+++ b/drivers/acpi/acpica/tbutils.c
@@ -231,7 +231,7 @@
 					   ACPI_FORMAT_UINT64(address64)));
 		}
 #endif
-		return ((acpi_physical_address) (address64));
+		return ((acpi_physical_address)(address64));
 	}
 }
 
@@ -287,12 +287,12 @@
 		 * the XSDT if the revision is > 1 and the XSDT pointer is present,
 		 * as per the ACPI specification.
 		 */
-		address = (acpi_physical_address) rsdp->xsdt_physical_address;
+		address = (acpi_physical_address)rsdp->xsdt_physical_address;
 		table_entry_size = ACPI_XSDT_ENTRY_SIZE;
 	} else {
 		/* Root table is an RSDT (32-bit physical addresses) */
 
-		address = (acpi_physical_address) rsdp->rsdt_physical_address;
+		address = (acpi_physical_address)rsdp->rsdt_physical_address;
 		table_entry_size = ACPI_RSDT_ENTRY_SIZE;
 	}
 
@@ -380,30 +380,3 @@
 	acpi_os_unmap_memory(table, length);
 	return_ACPI_STATUS(AE_OK);
 }
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_is_valid_signature
- *
- * PARAMETERS:  signature           - Sig string to be validated
- *
- * RETURN:      TRUE if signature is has 4 valid ACPI characters
- *
- * DESCRIPTION: Validate an ACPI table signature.
- *
- ******************************************************************************/
-
-u8 acpi_is_valid_signature(char *signature)
-{
-	u32 i;
-
-	/* Validate each character in the signature */
-
-	for (i = 0; i < ACPI_NAME_SIZE; i++) {
-		if (!acpi_ut_valid_acpi_char(signature[i], i)) {
-			return (FALSE);
-		}
-	}
-
-	return (TRUE);
-}
diff --git a/drivers/acpi/acpica/tbxface.c b/drivers/acpi/acpica/tbxface.c
index 326df65..3ecec93 100644
--- a/drivers/acpi/acpica/tbxface.c
+++ b/drivers/acpi/acpica/tbxface.c
@@ -99,7 +99,7 @@
  ******************************************************************************/
 
 acpi_status __init
-acpi_initialize_tables(struct acpi_table_desc * initial_table_array,
+acpi_initialize_tables(struct acpi_table_desc *initial_table_array,
 		       u32 initial_table_count, u8 allow_resize)
 {
 	acpi_physical_address rsdp_address;
@@ -120,7 +120,7 @@
 		/* Root Table Array has been statically allocated by the host */
 
 		memset(initial_table_array, 0,
-		       (acpi_size) initial_table_count *
+		       (acpi_size)initial_table_count *
 		       sizeof(struct acpi_table_desc));
 
 		acpi_gbl_root_table_list.tables = initial_table_array;
@@ -352,7 +352,7 @@
  *
  ******************************************************************************/
 acpi_status
-acpi_get_table_by_index(u32 table_index, struct acpi_table_header ** table)
+acpi_get_table_by_index(u32 table_index, struct acpi_table_header **table)
 {
 	acpi_status status;
 
diff --git a/drivers/acpi/acpica/tbxfload.c b/drivers/acpi/acpica/tbxfload.c
index 3151968..ac71abc 100644
--- a/drivers/acpi/acpica/tbxfload.c
+++ b/drivers/acpi/acpica/tbxfload.c
@@ -82,7 +82,7 @@
 	 * their customized default region handlers.
 	 */
 	status = acpi_ev_install_region_handlers();
-	if (ACPI_FAILURE(status) && status != AE_ALREADY_EXISTS) {
+	if (ACPI_FAILURE(status)) {
 		ACPI_EXCEPTION((AE_INFO, status,
 				"During Region initialization"));
 		return_ACPI_STATUS(status);
diff --git a/drivers/acpi/acpica/tbxfroot.c b/drivers/acpi/acpica/tbxfroot.c
index b9a78e4..adb6cfc 100644
--- a/drivers/acpi/acpica/tbxfroot.c
+++ b/drivers/acpi/acpica/tbxfroot.c
@@ -90,7 +90,7 @@
  *
  ******************************************************************************/
 
-acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp * rsdp)
+acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp)
 {
 
 	/*
@@ -142,7 +142,7 @@
  *
  ******************************************************************************/
 
-acpi_status __init acpi_find_root_pointer(acpi_physical_address * table_address)
+acpi_status __init acpi_find_root_pointer(acpi_physical_address *table_address)
 {
 	u8 *table_ptr;
 	u8 *mem_rover;
@@ -201,7 +201,7 @@
 			    (u32) ACPI_PTR_DIFF(mem_rover, table_ptr);
 
 			*table_address =
-			    (acpi_physical_address) physical_address;
+			    (acpi_physical_address)physical_address;
 			return_ACPI_STATUS(AE_OK);
 		}
 	}
@@ -234,7 +234,7 @@
 		    (ACPI_HI_RSDP_WINDOW_BASE +
 		     ACPI_PTR_DIFF(mem_rover, table_ptr));
 
-		*table_address = (acpi_physical_address) physical_address;
+		*table_address = (acpi_physical_address)physical_address;
 		return_ACPI_STATUS(AE_OK);
 	}
 
diff --git a/drivers/acpi/acpica/utalloc.c b/drivers/acpi/acpica/utalloc.c
index 3dbdc3a..13324a2 100644
--- a/drivers/acpi/acpica/utalloc.c
+++ b/drivers/acpi/acpica/utalloc.c
@@ -231,7 +231,7 @@
  *
  ******************************************************************************/
 
-acpi_status acpi_ut_validate_buffer(struct acpi_buffer * buffer)
+acpi_status acpi_ut_validate_buffer(struct acpi_buffer *buffer)
 {
 
 	/* Obviously, the structure pointer must be valid */
@@ -272,8 +272,7 @@
  ******************************************************************************/
 
 acpi_status
-acpi_ut_initialize_buffer(struct acpi_buffer * buffer,
-			  acpi_size required_length)
+acpi_ut_initialize_buffer(struct acpi_buffer *buffer, acpi_size required_length)
 {
 	acpi_size input_buffer_length;
 
diff --git a/drivers/acpi/acpica/utascii.c b/drivers/acpi/acpica/utascii.c
new file mode 100644
index 0000000..706c1f3
--- /dev/null
+++ b/drivers/acpi/acpica/utascii.c
@@ -0,0 +1,140 @@
+/******************************************************************************
+ *
+ * Module Name: utascii - Utility ascii functions
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2016, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_valid_nameseg
+ *
+ * PARAMETERS:  name            - The name or table signature to be examined.
+ *                                Four characters, does not have to be a
+ *                                NULL terminated string.
+ *
+ * RETURN:      TRUE if signature is has 4 valid ACPI characters
+ *
+ * DESCRIPTION: Validate an ACPI table signature.
+ *
+ ******************************************************************************/
+
+u8 acpi_ut_valid_nameseg(char *name)
+{
+	u32 i;
+
+	/* Validate each character in the signature */
+
+	for (i = 0; i < ACPI_NAME_SIZE; i++) {
+		if (!acpi_ut_valid_name_char(name[i], i)) {
+			return (FALSE);
+		}
+	}
+
+	return (TRUE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_valid_name_char
+ *
+ * PARAMETERS:  char            - The character to be examined
+ *              position        - Byte position (0-3)
+ *
+ * RETURN:      TRUE if the character is valid, FALSE otherwise
+ *
+ * DESCRIPTION: Check for a valid ACPI character. Must be one of:
+ *              1) Upper case alpha
+ *              2) numeric
+ *              3) underscore
+ *
+ *              We allow a '!' as the last character because of the ASF! table
+ *
+ ******************************************************************************/
+
+u8 acpi_ut_valid_name_char(char character, u32 position)
+{
+
+	if (!((character >= 'A' && character <= 'Z') ||
+	      (character >= '0' && character <= '9') || (character == '_'))) {
+
+		/* Allow a '!' in the last position */
+
+		if (character == '!' && position == 3) {
+			return (TRUE);
+		}
+
+		return (FALSE);
+	}
+
+	return (TRUE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_check_and_repair_ascii
+ *
+ * PARAMETERS:  name                - Ascii string
+ *              count               - Number of characters to check
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Ensure that the requested number of characters are printable
+ *              Ascii characters. Sets non-printable and null chars to <space>.
+ *
+ ******************************************************************************/
+
+void acpi_ut_check_and_repair_ascii(u8 *name, char *repaired_name, u32 count)
+{
+	u32 i;
+
+	for (i = 0; i < count; i++) {
+		repaired_name[i] = (char)name[i];
+
+		if (!name[i]) {
+			return;
+		}
+		if (!isprint(name[i])) {
+			repaired_name[i] = ' ';
+		}
+	}
+}
diff --git a/drivers/acpi/acpica/utbuffer.c b/drivers/acpi/acpica/utbuffer.c
index 0cfb2b8..bd31faf 100644
--- a/drivers/acpi/acpica/utbuffer.c
+++ b/drivers/acpi/acpica/utbuffer.c
@@ -106,31 +106,31 @@
 			default:	/* Default is BYTE display */
 
 				acpi_os_printf("%02X ",
-					       buffer[(acpi_size) i + j]);
+					       buffer[(acpi_size)i + j]);
 				break;
 
 			case DB_WORD_DISPLAY:
 
 				ACPI_MOVE_16_TO_32(&temp32,
-						   &buffer[(acpi_size) i + j]);
+						   &buffer[(acpi_size)i + j]);
 				acpi_os_printf("%04X ", temp32);
 				break;
 
 			case DB_DWORD_DISPLAY:
 
 				ACPI_MOVE_32_TO_32(&temp32,
-						   &buffer[(acpi_size) i + j]);
+						   &buffer[(acpi_size)i + j]);
 				acpi_os_printf("%08X ", temp32);
 				break;
 
 			case DB_QWORD_DISPLAY:
 
 				ACPI_MOVE_32_TO_32(&temp32,
-						   &buffer[(acpi_size) i + j]);
+						   &buffer[(acpi_size)i + j]);
 				acpi_os_printf("%08X", temp32);
 
 				ACPI_MOVE_32_TO_32(&temp32,
-						   &buffer[(acpi_size) i + j +
+						   &buffer[(acpi_size)i + j +
 							   4]);
 				acpi_os_printf("%08X ", temp32);
 				break;
@@ -158,7 +158,7 @@
 				acpi_os_printf("// ");
 			}
 
-			buf_char = buffer[(acpi_size) i + j];
+			buf_char = buffer[(acpi_size)i + j];
 			if (isprint(buf_char)) {
 				acpi_os_printf("%c", buf_char);
 			} else {
@@ -274,31 +274,31 @@
 			default:	/* Default is BYTE display */
 
 				acpi_ut_file_printf(file, "%02X ",
-						    buffer[(acpi_size) i + j]);
+						    buffer[(acpi_size)i + j]);
 				break;
 
 			case DB_WORD_DISPLAY:
 
 				ACPI_MOVE_16_TO_32(&temp32,
-						   &buffer[(acpi_size) i + j]);
+						   &buffer[(acpi_size)i + j]);
 				acpi_ut_file_printf(file, "%04X ", temp32);
 				break;
 
 			case DB_DWORD_DISPLAY:
 
 				ACPI_MOVE_32_TO_32(&temp32,
-						   &buffer[(acpi_size) i + j]);
+						   &buffer[(acpi_size)i + j]);
 				acpi_ut_file_printf(file, "%08X ", temp32);
 				break;
 
 			case DB_QWORD_DISPLAY:
 
 				ACPI_MOVE_32_TO_32(&temp32,
-						   &buffer[(acpi_size) i + j]);
+						   &buffer[(acpi_size)i + j]);
 				acpi_ut_file_printf(file, "%08X", temp32);
 
 				ACPI_MOVE_32_TO_32(&temp32,
-						   &buffer[(acpi_size) i + j +
+						   &buffer[(acpi_size)i + j +
 							   4]);
 				acpi_ut_file_printf(file, "%08X ", temp32);
 				break;
@@ -318,7 +318,7 @@
 				return;
 			}
 
-			buf_char = buffer[(acpi_size) i + j];
+			buf_char = buffer[(acpi_size)i + j];
 			if (isprint(buf_char)) {
 				acpi_ut_file_printf(file, "%c", buf_char);
 			} else {
diff --git a/drivers/acpi/acpica/utcache.c b/drivers/acpi/acpica/utcache.c
index f8e9978..3b8d23e 100644
--- a/drivers/acpi/acpica/utcache.c
+++ b/drivers/acpi/acpica/utcache.c
@@ -105,7 +105,7 @@
  *
  ******************************************************************************/
 
-acpi_status acpi_os_purge_cache(struct acpi_memory_list * cache)
+acpi_status acpi_os_purge_cache(struct acpi_memory_list *cache)
 {
 	void *next;
 	acpi_status status;
@@ -151,7 +151,7 @@
  *
  ******************************************************************************/
 
-acpi_status acpi_os_delete_cache(struct acpi_memory_list * cache)
+acpi_status acpi_os_delete_cache(struct acpi_memory_list *cache)
 {
 	acpi_status status;
 
@@ -184,8 +184,7 @@
  *
  ******************************************************************************/
 
-acpi_status
-acpi_os_release_object(struct acpi_memory_list * cache, void *object)
+acpi_status acpi_os_release_object(struct acpi_memory_list *cache, void *object)
 {
 	acpi_status status;
 
diff --git a/drivers/acpi/acpica/utcopy.c b/drivers/acpi/acpica/utcopy.c
index 98d53e5..82f9714 100644
--- a/drivers/acpi/acpica/utcopy.c
+++ b/drivers/acpi/acpica/utcopy.c
@@ -53,7 +53,7 @@
 static acpi_status
 acpi_ut_copy_isimple_to_esimple(union acpi_operand_object *internal_object,
 				union acpi_object *external_object,
-				u8 * data_space, acpi_size * buffer_space_used);
+				u8 *data_space, acpi_size *buffer_space_used);
 
 static acpi_status
 acpi_ut_copy_ielement_to_ielement(u8 object_type,
@@ -63,7 +63,7 @@
 
 static acpi_status
 acpi_ut_copy_ipackage_to_epackage(union acpi_operand_object *internal_object,
-				  u8 * buffer, acpi_size * space_used);
+				  u8 *buffer, acpi_size *space_used);
 
 static acpi_status
 acpi_ut_copy_esimple_to_isimple(union acpi_object *user_obj,
@@ -111,7 +111,7 @@
 static acpi_status
 acpi_ut_copy_isimple_to_esimple(union acpi_operand_object *internal_object,
 				union acpi_object *external_object,
-				u8 * data_space, acpi_size * buffer_space_used)
+				u8 *data_space, acpi_size *buffer_space_used)
 {
 	acpi_status status = AE_OK;
 
@@ -151,7 +151,7 @@
 
 		memcpy((void *)data_space,
 		       (void *)internal_object->string.pointer,
-		       (acpi_size) internal_object->string.length + 1);
+		       (acpi_size)internal_object->string.length + 1);
 		break;
 
 	case ACPI_TYPE_BUFFER:
@@ -331,7 +331,7 @@
 
 static acpi_status
 acpi_ut_copy_ipackage_to_epackage(union acpi_operand_object *internal_object,
-				  u8 * buffer, acpi_size * space_used)
+				  u8 *buffer, acpi_size *space_used)
 {
 	union acpi_object *external_object;
 	acpi_status status;
@@ -362,7 +362,7 @@
 	 * Leave room for an array of ACPI_OBJECTS in the buffer
 	 * and move the free space past it
 	 */
-	info.length += (acpi_size) external_object->package.count *
+	info.length += (acpi_size)external_object->package.count *
 	    ACPI_ROUND_UP_TO_NATIVE_WORD(sizeof(union acpi_object));
 	info.free_space += external_object->package.count *
 	    ACPI_ROUND_UP_TO_NATIVE_WORD(sizeof(union acpi_object));
@@ -738,7 +738,7 @@
 		 */
 		if (source_desc->string.pointer) {
 			dest_desc->string.pointer =
-			    ACPI_ALLOCATE((acpi_size) source_desc->string.
+			    ACPI_ALLOCATE((acpi_size)source_desc->string.
 					  length + 1);
 			if (!dest_desc->string.pointer) {
 				return (AE_NO_MEMORY);
@@ -748,7 +748,7 @@
 
 			memcpy(dest_desc->string.pointer,
 			       source_desc->string.pointer,
-			       (acpi_size) source_desc->string.length + 1);
+			       (acpi_size)source_desc->string.length + 1);
 		}
 		break;
 
diff --git a/drivers/acpi/acpica/utdebug.c b/drivers/acpi/acpica/utdebug.c
index 1cfc5f6..5744222 100644
--- a/drivers/acpi/acpica/utdebug.c
+++ b/drivers/acpi/acpica/utdebug.c
@@ -51,13 +51,9 @@
 ACPI_MODULE_NAME("utdebug")
 
 #ifdef ACPI_DEBUG_OUTPUT
-static acpi_thread_id acpi_gbl_prev_thread_id = (acpi_thread_id) 0xFFFFFFFF;
-static char *acpi_gbl_fn_entry_str = "----Entry";
-static char *acpi_gbl_fn_exit_str = "----Exit-";
-
-/* Local prototypes */
-
-static const char *acpi_ut_trim_function_name(const char *function_name);
+static acpi_thread_id acpi_gbl_previous_thread_id = (acpi_thread_id) 0xFFFFFFFF;
+static const char *acpi_gbl_function_entry_prefix = "----Entry";
+static const char *acpi_gbl_function_exit_prefix = "----Exit-";
 
 /*******************************************************************************
  *
@@ -178,14 +174,14 @@
 	 * Thread tracking and context switch notification
 	 */
 	thread_id = acpi_os_get_thread_id();
-	if (thread_id != acpi_gbl_prev_thread_id) {
+	if (thread_id != acpi_gbl_previous_thread_id) {
 		if (ACPI_LV_THREADS & acpi_dbg_level) {
 			acpi_os_printf
 			    ("\n**** Context Switch from TID %u to TID %u ****\n\n",
-			     (u32)acpi_gbl_prev_thread_id, (u32)thread_id);
+			     (u32)acpi_gbl_previous_thread_id, (u32)thread_id);
 		}
 
-		acpi_gbl_prev_thread_id = thread_id;
+		acpi_gbl_previous_thread_id = thread_id;
 		acpi_gbl_nesting_level = 0;
 	}
 
@@ -287,7 +283,8 @@
 	if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
 		acpi_debug_print(ACPI_LV_FUNCTIONS,
 				 line_number, function_name, module_name,
-				 component_id, "%s\n", acpi_gbl_fn_entry_str);
+				 component_id, "%s\n",
+				 acpi_gbl_function_entry_prefix);
 	}
 }
 
@@ -312,7 +309,8 @@
 void
 acpi_ut_trace_ptr(u32 line_number,
 		  const char *function_name,
-		  const char *module_name, u32 component_id, void *pointer)
+		  const char *module_name,
+		  u32 component_id, const void *pointer)
 {
 
 	acpi_gbl_nesting_level++;
@@ -323,8 +321,8 @@
 	if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
 		acpi_debug_print(ACPI_LV_FUNCTIONS,
 				 line_number, function_name, module_name,
-				 component_id, "%s %p\n", acpi_gbl_fn_entry_str,
-				 pointer);
+				 component_id, "%s %p\n",
+				 acpi_gbl_function_entry_prefix, pointer);
 	}
 }
 
@@ -348,7 +346,7 @@
 void
 acpi_ut_trace_str(u32 line_number,
 		  const char *function_name,
-		  const char *module_name, u32 component_id, char *string)
+		  const char *module_name, u32 component_id, const char *string)
 {
 
 	acpi_gbl_nesting_level++;
@@ -359,8 +357,8 @@
 	if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
 		acpi_debug_print(ACPI_LV_FUNCTIONS,
 				 line_number, function_name, module_name,
-				 component_id, "%s %s\n", acpi_gbl_fn_entry_str,
-				 string);
+				 component_id, "%s %s\n",
+				 acpi_gbl_function_entry_prefix, string);
 	}
 }
 
@@ -396,7 +394,7 @@
 		acpi_debug_print(ACPI_LV_FUNCTIONS,
 				 line_number, function_name, module_name,
 				 component_id, "%s %08X\n",
-				 acpi_gbl_fn_entry_str, integer);
+				 acpi_gbl_function_entry_prefix, integer);
 	}
 }
 
@@ -427,7 +425,8 @@
 	if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
 		acpi_debug_print(ACPI_LV_FUNCTIONS,
 				 line_number, function_name, module_name,
-				 component_id, "%s\n", acpi_gbl_fn_exit_str);
+				 component_id, "%s\n",
+				 acpi_gbl_function_exit_prefix);
 	}
 
 	if (acpi_gbl_nesting_level) {
@@ -467,14 +466,14 @@
 			acpi_debug_print(ACPI_LV_FUNCTIONS,
 					 line_number, function_name,
 					 module_name, component_id, "%s %s\n",
-					 acpi_gbl_fn_exit_str,
+					 acpi_gbl_function_exit_prefix,
 					 acpi_format_exception(status));
 		} else {
 			acpi_debug_print(ACPI_LV_FUNCTIONS,
 					 line_number, function_name,
 					 module_name, component_id,
 					 "%s ****Exception****: %s\n",
-					 acpi_gbl_fn_exit_str,
+					 acpi_gbl_function_exit_prefix,
 					 acpi_format_exception(status));
 		}
 	}
@@ -514,7 +513,7 @@
 		acpi_debug_print(ACPI_LV_FUNCTIONS,
 				 line_number, function_name, module_name,
 				 component_id, "%s %8.8X%8.8X\n",
-				 acpi_gbl_fn_exit_str,
+				 acpi_gbl_function_exit_prefix,
 				 ACPI_FORMAT_UINT64(value));
 	}
 
@@ -552,8 +551,8 @@
 	if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
 		acpi_debug_print(ACPI_LV_FUNCTIONS,
 				 line_number, function_name, module_name,
-				 component_id, "%s %p\n", acpi_gbl_fn_exit_str,
-				 ptr);
+				 component_id, "%s %p\n",
+				 acpi_gbl_function_exit_prefix, ptr);
 	}
 
 	if (acpi_gbl_nesting_level) {
diff --git a/drivers/acpi/acpica/utdecode.c b/drivers/acpi/acpica/utdecode.c
index 6ba65b0..efd7988 100644
--- a/drivers/acpi/acpica/utdecode.c
+++ b/drivers/acpi/acpica/utdecode.c
@@ -446,7 +446,7 @@
 
 /* Names for Notify() values, used for debug output */
 
-static const char *acpi_gbl_generic_notify[ACPI_NOTIFY_MAX + 1] = {
+static const char *acpi_gbl_generic_notify[ACPI_GENERIC_NOTIFY_MAX + 1] = {
 	/* 00 */ "Bus Check",
 	/* 01 */ "Device Check",
 	/* 02 */ "Device Wake",
@@ -459,49 +459,53 @@
 	/* 09 */ "Device PLD Check",
 	/* 0A */ "Reserved",
 	/* 0B */ "System Locality Update",
-	/* 0C */ "Shutdown Request",
+					/* 0C */ "Shutdown Request",
+					/* Reserved in ACPI 6.0 */
 	/* 0D */ "System Resource Affinity Update"
 };
 
-static const char *acpi_gbl_device_notify[4] = {
+static const char *acpi_gbl_device_notify[5] = {
 	/* 80 */ "Status Change",
 	/* 81 */ "Information Change",
 	/* 82 */ "Device-Specific Change",
-	/* 83 */ "Device-Specific Change"
+	/* 83 */ "Device-Specific Change",
+	/* 84 */ "Reserved"
 };
 
-static const char *acpi_gbl_processor_notify[4] = {
+static const char *acpi_gbl_processor_notify[5] = {
 	/* 80 */ "Performance Capability Change",
 	/* 81 */ "C-State Change",
 	/* 82 */ "Throttling Capability Change",
-	/* 83 */ "Device-Specific Change"
+	/* 83 */ "Guaranteed Change",
+	/* 84 */ "Minimum Excursion"
 };
 
-static const char *acpi_gbl_thermal_notify[4] = {
+static const char *acpi_gbl_thermal_notify[5] = {
 	/* 80 */ "Thermal Status Change",
 	/* 81 */ "Thermal Trip Point Change",
 	/* 82 */ "Thermal Device List Change",
-	/* 83 */ "Thermal Relationship Change"
+	/* 83 */ "Thermal Relationship Change",
+	/* 84 */ "Reserved"
 };
 
 const char *acpi_ut_get_notify_name(u32 notify_value, acpi_object_type type)
 {
 
-	/* 00 - 0D are common to all object types */
+	/* 00 - 0D are "common to all object types" (from ACPI Spec) */
 
-	if (notify_value <= ACPI_NOTIFY_MAX) {
+	if (notify_value <= ACPI_GENERIC_NOTIFY_MAX) {
 		return (acpi_gbl_generic_notify[notify_value]);
 	}
 
-	/* 0D - 7F are reserved */
+	/* 0E - 7F are reserved */
 
 	if (notify_value <= ACPI_MAX_SYS_NOTIFY) {
 		return ("Reserved");
 	}
 
-	/* 80 - 83 are per-object-type */
+	/* 80 - 84 are per-object-type */
 
-	if (notify_value <= 0x83) {
+	if (notify_value <= ACPI_SPECIFIC_NOTIFY_MAX) {
 		switch (type) {
 		case ACPI_TYPE_ANY:
 		case ACPI_TYPE_DEVICE:
diff --git a/drivers/acpi/acpica/uteval.c b/drivers/acpi/acpica/uteval.c
index 17b9f3e..7bad13f 100644
--- a/drivers/acpi/acpica/uteval.c
+++ b/drivers/acpi/acpica/uteval.c
@@ -69,7 +69,7 @@
 
 acpi_status
 acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
-			char *path,
+			const char *path,
 			u32 expected_return_btypes,
 			union acpi_operand_object **return_desc)
 {
@@ -204,7 +204,7 @@
  ******************************************************************************/
 
 acpi_status
-acpi_ut_evaluate_numeric_object(char *object_name,
+acpi_ut_evaluate_numeric_object(const char *object_name,
 				struct acpi_namespace_node *device_node,
 				u64 *value)
 {
diff --git a/drivers/acpi/acpica/utglobal.c b/drivers/acpi/acpica/utglobal.c
index 48fffcf..dd3fd7f 100644
--- a/drivers/acpi/acpica/utglobal.c
+++ b/drivers/acpi/acpica/utglobal.c
@@ -80,6 +80,11 @@
 	"_S4D"
 };
 
+/* Hex-to-ascii */
+
+const char acpi_gbl_lower_hex_digits[] = "0123456789abcdef";
+const char acpi_gbl_upper_hex_digits[] = "0123456789ABCDEF";
+
 /*******************************************************************************
  *
  * Namespace globals
@@ -221,6 +226,49 @@
 };
 #endif				/* !ACPI_REDUCED_HARDWARE */
 
+#if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER)
+
+/* to_pld macro: compile/disassemble strings */
+
+const char *acpi_gbl_pld_panel_list[] = {
+	"TOP",
+	"BOTTOM",
+	"LEFT",
+	"RIGHT",
+	"FRONT",
+	"BACK",
+	"UNKNOWN",
+	NULL
+};
+
+const char *acpi_gbl_pld_vertical_position_list[] = {
+	"UPPER",
+	"CENTER",
+	"LOWER",
+	NULL
+};
+
+const char *acpi_gbl_pld_horizontal_position_list[] = {
+	"LEFT",
+	"CENTER",
+	"RIGHT",
+	NULL
+};
+
+const char *acpi_gbl_pld_shape_list[] = {
+	"ROUND",
+	"OVAL",
+	"SQUARE",
+	"VERTICALRECTANGLE",
+	"HORIZONTALRECTANGLE",
+	"VERTICALTRAPEZOID",
+	"HORIZONTALTRAPEZOID",
+	"UNKNOWN",
+	"CHAMFERED",
+	NULL
+};
+#endif
+
 /* Public globals */
 
 ACPI_EXPORT_SYMBOL(acpi_gbl_FADT)
diff --git a/drivers/acpi/acpica/utids.c b/drivers/acpi/acpica/utids.c
index 6fb4ec3..f7cd2d5 100644
--- a/drivers/acpi/acpica/utids.c
+++ b/drivers/acpi/acpica/utids.c
@@ -95,7 +95,7 @@
 
 	hid =
 	    ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_pnp_device_id) +
-				 (acpi_size) length);
+				 (acpi_size)length);
 	if (!hid) {
 		status = AE_NO_MEMORY;
 		goto cleanup;
@@ -173,7 +173,7 @@
 
 	uid =
 	    ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_pnp_device_id) +
-				 (acpi_size) length);
+				 (acpi_size)length);
 	if (!uid) {
 		status = AE_NO_MEMORY;
 		goto cleanup;
@@ -309,7 +309,7 @@
 	/* Area for CID strings starts after the CID PNP_DEVICE_ID array */
 
 	next_id_string = ACPI_CAST_PTR(char, cid_list->ids) +
-	    ((acpi_size) count * sizeof(struct acpi_pnp_device_id));
+	    ((acpi_size)count * sizeof(struct acpi_pnp_device_id));
 
 	/* Copy/convert the CIDs to the return buffer */
 
@@ -413,7 +413,7 @@
 
 	cls =
 	    ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_pnp_device_id) +
-				 (acpi_size) length);
+				 (acpi_size)length);
 	if (!cls) {
 		status = AE_NO_MEMORY;
 		goto cleanup;
diff --git a/drivers/acpi/acpica/utmath.c b/drivers/acpi/acpica/utmath.c
index 6673720..2d6530e 100644
--- a/drivers/acpi/acpica/utmath.c
+++ b/drivers/acpi/acpica/utmath.c
@@ -236,8 +236,8 @@
 			}
 
 			remainder.full = remainder.full - dividend.full;
-			remainder.part.hi = (u32) - ((s32) remainder.part.hi);
-			remainder.part.lo = (u32) - ((s32) remainder.part.lo);
+			remainder.part.hi = (u32)-((s32)remainder.part.hi);
+			remainder.part.lo = (u32)-((s32)remainder.part.lo);
 
 			if (remainder.part.lo) {
 				remainder.part.hi--;
diff --git a/drivers/acpi/acpica/utmisc.c b/drivers/acpi/acpica/utmisc.c
index d938c27..389de3b 100644
--- a/drivers/acpi/acpica/utmisc.c
+++ b/drivers/acpi/acpica/utmisc.c
@@ -361,7 +361,7 @@
 void
 acpi_ut_display_init_pathname(u8 type,
 			      struct acpi_namespace_node *obj_handle,
-			      char *path)
+			      const char *path)
 {
 	acpi_status status;
 	struct acpi_buffer buffer;
diff --git a/drivers/acpi/acpica/utnonansi.c b/drivers/acpi/acpica/utnonansi.c
index d5c3adf..3465fe2 100644
--- a/drivers/acpi/acpica/utnonansi.c
+++ b/drivers/acpi/acpica/utnonansi.c
@@ -205,37 +205,41 @@
  *
  * FUNCTION:    acpi_ut_strtoul64
  *
- * PARAMETERS:  string          - Null terminated string
- *              base            - Radix of the string: 16 or ACPI_ANY_BASE;
- *                                ACPI_ANY_BASE means 'in behalf of to_integer'
- *              ret_integer     - Where the converted integer is returned
+ * PARAMETERS:  string                  - Null terminated string
+ *              base                    - Radix of the string: 16 or 10 or
+ *                                        ACPI_ANY_BASE
+ *              max_integer_byte_width  - Maximum allowable integer,in bytes:
+ *                                        4 or 8 (32 or 64 bits)
+ *              ret_integer             - Where the converted integer is
+ *                                        returned
  *
  * RETURN:      Status and Converted value
  *
  * DESCRIPTION: Convert a string into an unsigned value. Performs either a
- *              32-bit or 64-bit conversion, depending on the current mode
- *              of the interpreter.
+ *              32-bit or 64-bit conversion, depending on the input integer
+ *              size (often the current mode of the interpreter).
  *
- * NOTES:       acpi_gbl_integer_byte_width should be set to the proper width.
+ * NOTES:       Negative numbers are not supported, as they are not supported
+ *              by ACPI.
+ *
+ *              acpi_gbl_integer_byte_width should be set to the proper width.
  *              For the core ACPICA code, this width depends on the DSDT
- *              version. For iASL, the default byte width is always 8.
+ *              version. For iASL, the default byte width is always 8 for the
+ *              parser, but error checking is performed later to flag cases
+ *              where a 64-bit constant is defined in a 32-bit DSDT/SSDT.
  *
  *              Does not support Octal strings, not needed at this time.
  *
- *              There is an earlier version of the function after this one,
- *              below. It is slightly different than this one, and the two
- *              may eventually may need to be merged. (01/2016).
- *
  ******************************************************************************/
 
-acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer)
+acpi_status
+acpi_ut_strtoul64(char *string,
+		  u32 base, u32 max_integer_byte_width, u64 *ret_integer)
 {
 	u32 this_digit = 0;
 	u64 return_value = 0;
 	u64 quotient;
 	u64 dividend;
-	u32 to_integer_op = (base == ACPI_ANY_BASE);
-	u32 mode32 = (acpi_gbl_integer_byte_width == 4);
 	u8 valid_digits = 0;
 	u8 sign_of0x = 0;
 	u8 term = 0;
@@ -244,6 +248,7 @@
 
 	switch (base) {
 	case ACPI_ANY_BASE:
+	case 10:
 	case 16:
 
 		break;
@@ -265,9 +270,9 @@
 		string++;
 	}
 
-	if (to_integer_op) {
+	if (base == ACPI_ANY_BASE) {
 		/*
-		 * Base equal to ACPI_ANY_BASE means 'ToInteger operation case'.
+		 * Base equal to ACPI_ANY_BASE means 'Either decimal or hex'.
 		 * We need to determine if it is decimal or hexadecimal.
 		 */
 		if ((*string == '0') && (tolower((int)*(string + 1)) == 'x')) {
@@ -284,7 +289,7 @@
 	/* Any string left? Check that '0x' is not followed by white space. */
 
 	if (!(*string) || isspace((int)*string) || *string == '\t') {
-		if (to_integer_op) {
+		if (base == ACPI_ANY_BASE) {
 			goto error_exit;
 		} else {
 			goto all_done;
@@ -292,10 +297,11 @@
 	}
 
 	/*
-	 * Perform a 32-bit or 64-bit conversion, depending upon the current
-	 * execution mode of the interpreter
+	 * Perform a 32-bit or 64-bit conversion, depending upon the input
+	 * byte width
 	 */
-	dividend = (mode32) ? ACPI_UINT32_MAX : ACPI_UINT64_MAX;
+	dividend = (max_integer_byte_width <= ACPI_MAX32_BYTE_WIDTH) ?
+	    ACPI_UINT32_MAX : ACPI_UINT64_MAX;
 
 	/* Main loop: convert the string to a 32- or 64-bit integer */
 
@@ -323,7 +329,7 @@
 		}
 
 		if (term) {
-			if (to_integer_op) {
+			if (base == ACPI_ANY_BASE) {
 				goto error_exit;
 			} else {
 				break;
@@ -338,12 +344,13 @@
 
 		valid_digits++;
 
-		if (sign_of0x
-		    && ((valid_digits > 16)
-			|| ((valid_digits > 8) && mode32))) {
+		if (sign_of0x && ((valid_digits > 16) ||
+				  ((valid_digits > 8)
+				   && (max_integer_byte_width <=
+				       ACPI_MAX32_BYTE_WIDTH)))) {
 			/*
 			 * This is to_integer operation case.
-			 * No any restrictions for string-to-integer conversion,
+			 * No restrictions for string-to-integer conversion,
 			 * see ACPI spec.
 			 */
 			goto error_exit;
@@ -355,7 +362,7 @@
 					   &quotient, NULL);
 
 		if (return_value > quotient) {
-			if (to_integer_op) {
+			if (base == ACPI_ANY_BASE) {
 				goto error_exit;
 			} else {
 				break;
@@ -378,7 +385,8 @@
 	return_ACPI_STATUS(AE_OK);
 
 error_exit:
-	/* Base was set/validated above */
+
+	/* Base was set/validated above (10 or 16) */
 
 	if (base == 10) {
 		return_ACPI_STATUS(AE_BAD_DECIMAL_CONSTANT);
@@ -388,8 +396,7 @@
 }
 
 #ifdef _OBSOLETE_FUNCTIONS
-/* TBD: use version in ACPICA main code base? */
-/* DONE: 01/2016 */
+/* Removed: 01/2016 */
 
 /*******************************************************************************
  *
diff --git a/drivers/acpi/acpica/utobject.c b/drivers/acpi/acpica/utobject.c
index edad3f0..72b9a06 100644
--- a/drivers/acpi/acpica/utobject.c
+++ b/drivers/acpi/acpica/utobject.c
@@ -51,11 +51,11 @@
 /* Local prototypes */
 static acpi_status
 acpi_ut_get_simple_object_size(union acpi_operand_object *obj,
-			       acpi_size * obj_length);
+			       acpi_size *obj_length);
 
 static acpi_status
 acpi_ut_get_package_object_size(union acpi_operand_object *obj,
-				acpi_size * obj_length);
+				acpi_size *obj_length);
 
 static acpi_status
 acpi_ut_get_element_length(u8 object_type,
@@ -177,7 +177,7 @@
 	 * Create the element array. Count+1 allows the array to be null
 	 * terminated.
 	 */
-	package_elements = ACPI_ALLOCATE_ZEROED(((acpi_size) count +
+	package_elements = ACPI_ALLOCATE_ZEROED(((acpi_size)count +
 						 1) * sizeof(void *));
 	if (!package_elements) {
 		ACPI_FREE(package_desc);
@@ -454,7 +454,7 @@
 
 static acpi_status
 acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object,
-			       acpi_size * obj_length)
+			       acpi_size *obj_length)
 {
 	acpi_size length;
 	acpi_size size;
@@ -495,12 +495,12 @@
 	switch (internal_object->common.type) {
 	case ACPI_TYPE_STRING:
 
-		length += (acpi_size) internal_object->string.length + 1;
+		length += (acpi_size)internal_object->string.length + 1;
 		break;
 
 	case ACPI_TYPE_BUFFER:
 
-		length += (acpi_size) internal_object->buffer.length;
+		length += (acpi_size)internal_object->buffer.length;
 		break;
 
 	case ACPI_TYPE_INTEGER:
@@ -640,7 +640,7 @@
 
 static acpi_status
 acpi_ut_get_package_object_size(union acpi_operand_object *internal_object,
-				acpi_size * obj_length)
+				acpi_size *obj_length)
 {
 	acpi_status status;
 	struct acpi_pkg_info info;
@@ -665,7 +665,7 @@
 	 */
 	info.length +=
 	    ACPI_ROUND_UP_TO_NATIVE_WORD(sizeof(union acpi_object)) *
-	    (acpi_size) info.num_packages;
+	    (acpi_size)info.num_packages;
 
 	/* Return the total package length */
 
@@ -689,7 +689,7 @@
 
 acpi_status
 acpi_ut_get_object_size(union acpi_operand_object *internal_object,
-			acpi_size * obj_length)
+			acpi_size *obj_length)
 {
 	acpi_status status;
 
diff --git a/drivers/acpi/acpica/utosi.c b/drivers/acpi/acpica/utosi.c
index b5cfe57..3f5fed6 100644
--- a/drivers/acpi/acpica/utosi.c
+++ b/drivers/acpi/acpica/utosi.c
@@ -150,7 +150,7 @@
 	     i < (ACPI_ARRAY_LENGTH(acpi_default_supported_interfaces) - 1);
 	     i++) {
 		acpi_default_supported_interfaces[i].next =
-		    &acpi_default_supported_interfaces[(acpi_size) i + 1];
+		    &acpi_default_supported_interfaces[(acpi_size)i + 1];
 	}
 
 	acpi_os_release_mutex(acpi_gbl_osi_mutex);
@@ -397,7 +397,7 @@
  *
  ******************************************************************************/
 
-acpi_status acpi_ut_osi_implementation(struct acpi_walk_state * walk_state)
+acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state)
 {
 	union acpi_operand_object *string_desc;
 	union acpi_operand_object *return_desc;
diff --git a/drivers/acpi/acpica/utownerid.c b/drivers/acpi/acpica/utownerid.c
index 813520a..3cd573c 100644
--- a/drivers/acpi/acpica/utownerid.c
+++ b/drivers/acpi/acpica/utownerid.c
@@ -61,7 +61,7 @@
  *              when the method exits or the table is unloaded.
  *
  ******************************************************************************/
-acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
+acpi_status acpi_ut_allocate_owner_id(acpi_owner_id *owner_id)
 {
 	u32 i;
 	u32 j;
@@ -122,7 +122,7 @@
 				 * permanently allocated (prevents +1 overflow)
 				 */
 				*owner_id =
-				    (acpi_owner_id) ((k + 1) + ACPI_MUL_32(j));
+				    (acpi_owner_id)((k + 1) + ACPI_MUL_32(j));
 
 				ACPI_DEBUG_PRINT((ACPI_DB_VALUES,
 						  "Allocated OwnerId: %2.2X\n",
@@ -167,7 +167,7 @@
  *
  ******************************************************************************/
 
-void acpi_ut_release_owner_id(acpi_owner_id * owner_id_ptr)
+void acpi_ut_release_owner_id(acpi_owner_id *owner_id_ptr)
 {
 	acpi_owner_id owner_id = *owner_id_ptr;
 	acpi_status status;
diff --git a/drivers/acpi/acpica/utprint.c b/drivers/acpi/acpica/utprint.c
index 8c218ad..dd084cf 100644
--- a/drivers/acpi/acpica/utprint.c
+++ b/drivers/acpi/acpica/utprint.c
@@ -67,11 +67,6 @@
 
 static char *acpi_ut_put_number(char *string, u64 number, u8 base, u8 upper);
 
-/* Module globals */
-
-static const char acpi_gbl_lower_hex_digits[] = "0123456789abcdef";
-static const char acpi_gbl_upper_hex_digits[] = "0123456789ABCDEF";
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ut_bound_string_length
@@ -269,9 +264,9 @@
 
 	sign = '\0';
 	if (type & ACPI_FORMAT_SIGN) {
-		if ((s64) number < 0) {
+		if ((s64)number < 0) {
 			sign = '-';
-			number = -(s64) number;
+			number = -(s64)number;
 			width--;
 		} else if (type & ACPI_FORMAT_SIGN_PLUS) {
 			sign = '+';
@@ -409,7 +404,7 @@
 		width = -1;
 		if (isdigit((int)*format)) {
 			format = acpi_ut_scan_number(format, &number);
-			width = (s32) number;
+			width = (s32)number;
 		} else if (*format == '*') {
 			++format;
 			width = va_arg(args, int);
@@ -426,7 +421,7 @@
 			++format;
 			if (isdigit((int)*format)) {
 				format = acpi_ut_scan_number(format, &number);
-				precision = (s32) number;
+				precision = (s32)number;
 			} else if (*format == '*') {
 				++format;
 				precision = va_arg(args, int);
@@ -555,17 +550,17 @@
 		if (qualifier == 'L') {
 			number = va_arg(args, u64);
 			if (type & ACPI_FORMAT_SIGN) {
-				number = (s64) number;
+				number = (s64)number;
 			}
 		} else if (qualifier == 'l') {
 			number = va_arg(args, unsigned long);
 			if (type & ACPI_FORMAT_SIGN) {
-				number = (s32) number;
+				number = (s32)number;
 			}
 		} else if (qualifier == 'h') {
 			number = (u16)va_arg(args, int);
 			if (type & ACPI_FORMAT_SIGN) {
-				number = (s16) number;
+				number = (s16)number;
 			}
 		} else {
 			number = va_arg(args, unsigned int);
diff --git a/drivers/acpi/acpica/utstring.c b/drivers/acpi/acpica/utstring.c
index 0b005728..288913a 100644
--- a/drivers/acpi/acpica/utstring.c
+++ b/drivers/acpi/acpica/utstring.c
@@ -130,7 +130,7 @@
 			} else {
 				/* All others will be Hex escapes */
 
-				acpi_os_printf("\\x%2.2X", (s32) string[i]);
+				acpi_os_printf("\\x%2.2X", (s32)string[i]);
 			}
 			break;
 		}
@@ -145,73 +145,6 @@
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_ut_valid_acpi_char
- *
- * PARAMETERS:  char            - The character to be examined
- *              position        - Byte position (0-3)
- *
- * RETURN:      TRUE if the character is valid, FALSE otherwise
- *
- * DESCRIPTION: Check for a valid ACPI character. Must be one of:
- *              1) Upper case alpha
- *              2) numeric
- *              3) underscore
- *
- *              We allow a '!' as the last character because of the ASF! table
- *
- ******************************************************************************/
-
-u8 acpi_ut_valid_acpi_char(char character, u32 position)
-{
-
-	if (!((character >= 'A' && character <= 'Z') ||
-	      (character >= '0' && character <= '9') || (character == '_'))) {
-
-		/* Allow a '!' in the last position */
-
-		if (character == '!' && position == 3) {
-			return (TRUE);
-		}
-
-		return (FALSE);
-	}
-
-	return (TRUE);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_valid_acpi_name
- *
- * PARAMETERS:  name            - The name to be examined. Does not have to
- *                                be NULL terminated string.
- *
- * RETURN:      TRUE if the name is valid, FALSE otherwise
- *
- * DESCRIPTION: Check for a valid ACPI name. Each character must be one of:
- *              1) Upper case alpha
- *              2) numeric
- *              3) underscore
- *
- ******************************************************************************/
-
-u8 acpi_ut_valid_acpi_name(char *name)
-{
-	u32 i;
-
-	ACPI_FUNCTION_ENTRY();
-
-	for (i = 0; i < ACPI_NAME_SIZE; i++) {
-		if (!acpi_ut_valid_acpi_char(name[i], i)) {
-			return (FALSE);
-		}
-	}
-
-	return (TRUE);
-}
-
-/*******************************************************************************
- *
  * FUNCTION:    acpi_ut_repair_name
  *
  * PARAMETERS:  name            - The ACPI name to be repaired
@@ -253,7 +186,7 @@
 	/* Check each character in the name */
 
 	for (i = 0; i < ACPI_NAME_SIZE; i++) {
-		if (acpi_ut_valid_acpi_char(name[i], i)) {
+		if (acpi_ut_valid_name_char(name[i], i)) {
 			continue;
 		}
 
diff --git a/drivers/acpi/acpica/uttrack.c b/drivers/acpi/acpica/uttrack.c
index 60c406a..0df07df 100644
--- a/drivers/acpi/acpica/uttrack.c
+++ b/drivers/acpi/acpica/uttrack.c
@@ -90,7 +90,7 @@
  ******************************************************************************/
 
 acpi_status
-acpi_ut_create_list(char *list_name,
+acpi_ut_create_list(const char *list_name,
 		    u16 object_size, struct acpi_memory_list **return_cache)
 {
 	struct acpi_memory_list *cache;
diff --git a/drivers/acpi/acpica/utxface.c b/drivers/acpi/acpica/utxface.c
index 68d4673..d9e6aac 100644
--- a/drivers/acpi/acpica/utxface.c
+++ b/drivers/acpi/acpica/utxface.c
@@ -127,7 +127,7 @@
  *              and the value of out_buffer is undefined.
  *
  ******************************************************************************/
-acpi_status acpi_get_system_info(struct acpi_buffer * out_buffer)
+acpi_status acpi_get_system_info(struct acpi_buffer *out_buffer)
 {
 	struct acpi_system_info *info_ptr;
 	acpi_status status;
@@ -483,7 +483,7 @@
  ******************************************************************************/
 acpi_status
 acpi_decode_pld_buffer(u8 *in_buffer,
-		       acpi_size length, struct acpi_pld_info ** return_buffer)
+		       acpi_size length, struct acpi_pld_info **return_buffer)
 {
 	struct acpi_pld_info *pld_info;
 	u32 *buffer = ACPI_CAST_PTR(u32, in_buffer);
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index c068c82..31e8da6 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -925,11 +925,13 @@
 		goto error0;
 	}
 
-	status = acpi_load_tables();
-	if (ACPI_FAILURE(status)) {
-		printk(KERN_ERR PREFIX
-		       "Unable to load the System Description Tables\n");
-		goto error0;
+	if (acpi_gbl_group_module_level_code) {
+		status = acpi_load_tables();
+		if (ACPI_FAILURE(status)) {
+			printk(KERN_ERR PREFIX
+			       "Unable to load the System Description Tables\n");
+			goto error0;
+		}
 	}
 
 #ifdef CONFIG_X86
@@ -995,17 +997,10 @@
 
 	acpi_os_initialize1();
 
-	status = acpi_enable_subsystem(ACPI_NO_ACPI_ENABLE);
-	if (ACPI_FAILURE(status)) {
-		printk(KERN_ERR PREFIX
-		       "Unable to start the ACPI Interpreter\n");
-		goto error1;
-	}
-
 	/*
 	 * ACPI 2.0 requires the EC driver to be loaded and work before
-	 * the EC device is found in the namespace (i.e. before acpi_initialize_objects()
-	 * is called).
+	 * the EC device is found in the namespace (i.e. before
+	 * acpi_load_tables() is called).
 	 *
 	 * This is accomplished by looking for the ECDT table, and getting
 	 * the EC parameters out of that.
@@ -1013,6 +1008,22 @@
 	status = acpi_ec_ecdt_probe();
 	/* Ignore result. Not having an ECDT is not fatal. */
 
+	if (!acpi_gbl_group_module_level_code) {
+		status = acpi_load_tables();
+		if (ACPI_FAILURE(status)) {
+			printk(KERN_ERR PREFIX
+			       "Unable to load the System Description Tables\n");
+			goto error1;
+		}
+	}
+
+	status = acpi_enable_subsystem(ACPI_NO_ACPI_ENABLE);
+	if (ACPI_FAILURE(status)) {
+		printk(KERN_ERR PREFIX
+		       "Unable to start the ACPI Interpreter\n");
+		goto error1;
+	}
+
 	status = acpi_initialize_objects(ACPI_FULL_INITIALIZATION);
 	if (ACPI_FAILURE(status)) {
 		printk(KERN_ERR PREFIX "Unable to initialize ACPI objects\n");
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index b420fb4..0e70181 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -105,8 +105,8 @@
 enum {
 	EC_FLAGS_QUERY_PENDING,		/* Query is pending */
 	EC_FLAGS_QUERY_GUARDING,	/* Guard for SCI_EVT check */
-	EC_FLAGS_HANDLERS_INSTALLED,	/* Handlers for GPE and
-					 * OpReg are installed */
+	EC_FLAGS_GPE_HANDLER_INSTALLED,	/* GPE handler installed */
+	EC_FLAGS_EC_HANDLER_INSTALLED,	/* OpReg handler installed */
 	EC_FLAGS_STARTED,		/* Driver is started */
 	EC_FLAGS_STOPPED,		/* Driver is stopped */
 	EC_FLAGS_COMMAND_STORM,		/* GPE storms occurred to the
@@ -175,10 +175,9 @@
 struct acpi_ec *boot_ec, *first_ec;
 EXPORT_SYMBOL(first_ec);
 
-static int EC_FLAGS_VALIDATE_ECDT; /* ASUStec ECDTs need to be validated */
-static int EC_FLAGS_SKIP_DSDT_SCAN; /* Not all BIOS survive early DSDT scan */
 static int EC_FLAGS_CLEAR_ON_RESUME; /* Needs acpi_ec_clear() on boot/resume */
 static int EC_FLAGS_QUERY_HANDSHAKE; /* Needs QR_EC issued when SCI_EVT set */
+static int EC_FLAGS_CORRECT_ECDT; /* Needs ECDT port address correction */
 
 /* --------------------------------------------------------------------------
  *                           Logging/Debugging
@@ -367,7 +366,8 @@
 static void acpi_ec_submit_request(struct acpi_ec *ec)
 {
 	ec->reference_count++;
-	if (ec->reference_count == 1)
+	if (test_bit(EC_FLAGS_GPE_HANDLER_INSTALLED, &ec->flags) &&
+	    ec->reference_count == 1)
 		acpi_ec_enable_gpe(ec, true);
 }
 
@@ -376,7 +376,8 @@
 	bool flushed = false;
 
 	ec->reference_count--;
-	if (ec->reference_count == 0)
+	if (test_bit(EC_FLAGS_GPE_HANDLER_INSTALLED, &ec->flags) &&
+	    ec->reference_count == 0)
 		acpi_ec_disable_gpe(ec, true);
 	flushed = acpi_ec_flushed(ec);
 	if (flushed)
@@ -1287,52 +1288,64 @@
 {
 	acpi_status status;
 
-	if (test_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags))
-		return 0;
-	status = acpi_install_gpe_raw_handler(NULL, ec->gpe,
-				  ACPI_GPE_EDGE_TRIGGERED,
-				  &acpi_ec_gpe_handler, ec);
-	if (ACPI_FAILURE(status))
-		return -ENODEV;
-
 	acpi_ec_start(ec, false);
-	status = acpi_install_address_space_handler(ec->handle,
-						    ACPI_ADR_SPACE_EC,
-						    &acpi_ec_space_handler,
-						    NULL, ec);
-	if (ACPI_FAILURE(status)) {
-		if (status == AE_NOT_FOUND) {
-			/*
-			 * Maybe OS fails in evaluating the _REG object.
-			 * The AE_NOT_FOUND error will be ignored and OS
-			 * continue to initialize EC.
-			 */
-			pr_err("Fail in evaluating the _REG object"
-				" of EC device. Broken bios is suspected.\n");
-		} else {
-			acpi_ec_stop(ec, false);
-			acpi_remove_gpe_handler(NULL, ec->gpe,
-				&acpi_ec_gpe_handler);
-			return -ENODEV;
+
+	if (!test_bit(EC_FLAGS_EC_HANDLER_INSTALLED, &ec->flags)) {
+		status = acpi_install_address_space_handler(ec->handle,
+							    ACPI_ADR_SPACE_EC,
+							    &acpi_ec_space_handler,
+							    NULL, ec);
+		if (ACPI_FAILURE(status)) {
+			if (status == AE_NOT_FOUND) {
+				/*
+				 * Maybe OS fails in evaluating the _REG
+				 * object. The AE_NOT_FOUND error will be
+				 * ignored and OS * continue to initialize
+				 * EC.
+				 */
+				pr_err("Fail in evaluating the _REG object"
+					" of EC device. Broken bios is suspected.\n");
+			} else {
+				acpi_ec_stop(ec, false);
+				return -ENODEV;
+			}
+		}
+		set_bit(EC_FLAGS_EC_HANDLER_INSTALLED, &ec->flags);
+	}
+
+	if (!test_bit(EC_FLAGS_GPE_HANDLER_INSTALLED, &ec->flags)) {
+		status = acpi_install_gpe_raw_handler(NULL, ec->gpe,
+					  ACPI_GPE_EDGE_TRIGGERED,
+					  &acpi_ec_gpe_handler, ec);
+		/* This is not fatal as we can poll EC events */
+		if (ACPI_SUCCESS(status)) {
+			set_bit(EC_FLAGS_GPE_HANDLER_INSTALLED, &ec->flags);
+			if (test_bit(EC_FLAGS_STARTED, &ec->flags) &&
+			    ec->reference_count >= 1)
+				acpi_ec_enable_gpe(ec, true);
 		}
 	}
 
-	set_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags);
 	return 0;
 }
 
 static void ec_remove_handlers(struct acpi_ec *ec)
 {
-	if (!test_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags))
-		return;
 	acpi_ec_stop(ec, false);
-	if (ACPI_FAILURE(acpi_remove_address_space_handler(ec->handle,
-				ACPI_ADR_SPACE_EC, &acpi_ec_space_handler)))
-		pr_err("failed to remove space handler\n");
-	if (ACPI_FAILURE(acpi_remove_gpe_handler(NULL, ec->gpe,
-				&acpi_ec_gpe_handler)))
-		pr_err("failed to remove gpe handler\n");
-	clear_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags);
+
+	if (test_bit(EC_FLAGS_EC_HANDLER_INSTALLED, &ec->flags)) {
+		if (ACPI_FAILURE(acpi_remove_address_space_handler(ec->handle,
+					ACPI_ADR_SPACE_EC, &acpi_ec_space_handler)))
+			pr_err("failed to remove space handler\n");
+		clear_bit(EC_FLAGS_EC_HANDLER_INSTALLED, &ec->flags);
+	}
+
+	if (test_bit(EC_FLAGS_GPE_HANDLER_INSTALLED, &ec->flags)) {
+		if (ACPI_FAILURE(acpi_remove_gpe_handler(NULL, ec->gpe,
+					&acpi_ec_gpe_handler)))
+			pr_err("failed to remove gpe handler\n");
+		clear_bit(EC_FLAGS_GPE_HANDLER_INSTALLED, &ec->flags);
+	}
 }
 
 static int acpi_ec_add(struct acpi_device *device)
@@ -1344,11 +1357,12 @@
 	strcpy(acpi_device_class(device), ACPI_EC_CLASS);
 
 	/* Check for boot EC */
-	if (boot_ec &&
-	    (boot_ec->handle == device->handle ||
-	     boot_ec->handle == ACPI_ROOT_OBJECT)) {
+	if (boot_ec) {
 		ec = boot_ec;
 		boot_ec = NULL;
+		ec_remove_handlers(ec);
+		if (first_ec == ec)
+			first_ec = NULL;
 	} else {
 		ec = make_acpi_ec();
 		if (!ec)
@@ -1434,7 +1448,7 @@
 
 int __init acpi_boot_ec_enable(void)
 {
-	if (!boot_ec || test_bit(EC_FLAGS_HANDLERS_INSTALLED, &boot_ec->flags))
+	if (!boot_ec)
 		return 0;
 	if (!ec_install_handlers(boot_ec)) {
 		first_ec = boot_ec;
@@ -1448,20 +1462,6 @@
 	{"", 0},
 };
 
-/* Some BIOS do not survive early DSDT scan, skip it */
-static int ec_skip_dsdt_scan(const struct dmi_system_id *id)
-{
-	EC_FLAGS_SKIP_DSDT_SCAN = 1;
-	return 0;
-}
-
-/* ASUStek often supplies us with broken ECDT, validate it */
-static int ec_validate_ecdt(const struct dmi_system_id *id)
-{
-	EC_FLAGS_VALIDATE_ECDT = 1;
-	return 0;
-}
-
 #if 0
 /*
  * Some EC firmware variations refuses to respond QR_EC when SCI_EVT is not
@@ -1503,30 +1503,29 @@
 	return 0;
 }
 
+static int ec_correct_ecdt(const struct dmi_system_id *id)
+{
+	pr_debug("Detected system needing ECDT address correction.\n");
+	EC_FLAGS_CORRECT_ECDT = 1;
+	return 0;
+}
+
 static struct dmi_system_id ec_dmi_table[] __initdata = {
 	{
-	ec_skip_dsdt_scan, "Compal JFL92", {
-	DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
-	DMI_MATCH(DMI_BOARD_NAME, "JFL92") }, NULL},
+	ec_correct_ecdt, "Asus L4R", {
+	DMI_MATCH(DMI_BIOS_VERSION, "1008.006"),
+	DMI_MATCH(DMI_PRODUCT_NAME, "L4R"),
+	DMI_MATCH(DMI_BOARD_NAME, "L4R") }, NULL},
 	{
-	ec_validate_ecdt, "MSI MS-171F", {
+	ec_correct_ecdt, "Asus M6R", {
+	DMI_MATCH(DMI_BIOS_VERSION, "0207"),
+	DMI_MATCH(DMI_PRODUCT_NAME, "M6R"),
+	DMI_MATCH(DMI_BOARD_NAME, "M6R") }, NULL},
+	{
+	ec_correct_ecdt, "MSI MS-171F", {
 	DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star"),
 	DMI_MATCH(DMI_PRODUCT_NAME, "MS-171F"),}, NULL},
 	{
-	ec_validate_ecdt, "ASUS hardware", {
-	DMI_MATCH(DMI_BIOS_VENDOR, "ASUS") }, NULL},
-	{
-	ec_validate_ecdt, "ASUS hardware", {
-	DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc.") }, NULL},
-	{
-	ec_skip_dsdt_scan, "HP Folio 13", {
-	DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
-	DMI_MATCH(DMI_PRODUCT_NAME, "HP Folio 13"),}, NULL},
-	{
-	ec_validate_ecdt, "ASUS hardware", {
-	DMI_MATCH(DMI_SYS_VENDOR, "ASUSTek Computer Inc."),
-	DMI_MATCH(DMI_PRODUCT_NAME, "L4R"),}, NULL},
-	{
 	ec_clear_on_resume, "Samsung hardware", {
 	DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD.")}, NULL},
 	{},
@@ -1534,8 +1533,8 @@
 
 int __init acpi_ec_ecdt_probe(void)
 {
+	int ret = 0;
 	acpi_status status;
-	struct acpi_ec *saved_ec = NULL;
 	struct acpi_table_ecdt *ecdt_ptr;
 
 	boot_ec = make_acpi_ec();
@@ -1547,67 +1546,45 @@
 	dmi_check_system(ec_dmi_table);
 	status = acpi_get_table(ACPI_SIG_ECDT, 1,
 				(struct acpi_table_header **)&ecdt_ptr);
-	if (ACPI_SUCCESS(status)) {
-		pr_info("EC description table is found, configuring boot EC\n");
+	if (ACPI_FAILURE(status)) {
+		ret = -ENODEV;
+		goto error;
+	}
+
+	if (!ecdt_ptr->control.address || !ecdt_ptr->data.address) {
+		/*
+		 * Asus X50GL:
+		 * https://bugzilla.kernel.org/show_bug.cgi?id=11880
+		 */
+		ret = -ENODEV;
+		goto error;
+	}
+
+	pr_info("EC description table is found, configuring boot EC\n");
+	if (EC_FLAGS_CORRECT_ECDT) {
+		/*
+		 * Asus L4R, Asus M6R
+		 * https://bugzilla.kernel.org/show_bug.cgi?id=9399
+		 * MSI MS-171F
+		 * https://bugzilla.kernel.org/show_bug.cgi?id=12461
+		 */
+		boot_ec->command_addr = ecdt_ptr->data.address;
+		boot_ec->data_addr = ecdt_ptr->control.address;
+	} else {
 		boot_ec->command_addr = ecdt_ptr->control.address;
 		boot_ec->data_addr = ecdt_ptr->data.address;
-		boot_ec->gpe = ecdt_ptr->gpe;
-		boot_ec->handle = ACPI_ROOT_OBJECT;
-		acpi_get_handle(ACPI_ROOT_OBJECT, ecdt_ptr->id,
-				&boot_ec->handle);
-		/* Don't trust ECDT, which comes from ASUSTek */
-		if (!EC_FLAGS_VALIDATE_ECDT)
-			goto install;
-		saved_ec = kmemdup(boot_ec, sizeof(struct acpi_ec), GFP_KERNEL);
-		if (!saved_ec)
-			return -ENOMEM;
-	/* fall through */
 	}
-
-	if (EC_FLAGS_SKIP_DSDT_SCAN) {
-		kfree(saved_ec);
-		return -ENODEV;
-	}
-
-	/* This workaround is needed only on some broken machines,
-	 * which require early EC, but fail to provide ECDT */
-	pr_debug("Look up EC in DSDT\n");
-	status = acpi_get_devices(ec_device_ids[0].id, ec_parse_device,
-					boot_ec, NULL);
-	/* Check that acpi_get_devices actually find something */
-	if (ACPI_FAILURE(status) || !boot_ec->handle)
-		goto error;
-	if (saved_ec) {
-		/* try to find good ECDT from ASUSTek */
-		if (saved_ec->command_addr != boot_ec->command_addr ||
-		    saved_ec->data_addr != boot_ec->data_addr ||
-		    saved_ec->gpe != boot_ec->gpe ||
-		    saved_ec->handle != boot_ec->handle)
-			pr_info("ASUSTek keeps feeding us with broken "
-			"ECDT tables, which are very hard to workaround. "
-			"Trying to use DSDT EC info instead. Please send "
-			"output of acpidump to linux-acpi@vger.kernel.org\n");
-		kfree(saved_ec);
-		saved_ec = NULL;
-	} else {
-		/* We really need to limit this workaround, the only ASUS,
-		* which needs it, has fake EC._INI method, so use it as flag.
-		* Keep boot_ec struct as it will be needed soon.
-		*/
-		if (!dmi_name_in_vendors("ASUS") ||
-		    !acpi_has_method(boot_ec->handle, "_INI"))
-			return -ENODEV;
-	}
-install:
-	if (!ec_install_handlers(boot_ec)) {
+	boot_ec->gpe = ecdt_ptr->gpe;
+	boot_ec->handle = ACPI_ROOT_OBJECT;
+	ret = ec_install_handlers(boot_ec);
+	if (!ret)
 		first_ec = boot_ec;
-		return 0;
-	}
 error:
-	kfree(boot_ec);
-	kfree(saved_ec);
-	boot_ec = NULL;
-	return -ENODEV;
+	if (ret) {
+		kfree(boot_ec);
+		boot_ec = NULL;
+	}
+	return ret;
 }
 
 static int param_set_event_clearing(const char *val, struct kernel_param *kp)
diff --git a/drivers/acpi/evged.c b/drivers/acpi/evged.c
new file mode 100644
index 0000000..46f0603
--- /dev/null
+++ b/drivers/acpi/evged.c
@@ -0,0 +1,154 @@
+/*
+ * Generic Event Device for ACPI.
+ *
+ * Copyright (c) 2016, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * Generic Event Device allows platforms to handle interrupts in ACPI
+ * ASL statements. It follows very similar to  _EVT method approach
+ * from GPIO events. All interrupts are listed in _CRS and the handler
+ * is written in _EVT method. Here is an example.
+ *
+ * Device (GED0)
+ * {
+ *
+ *     Name (_HID, "ACPI0013")
+ *     Name (_UID, 0)
+ *     Method (_CRS, 0x0, Serialized)
+ *     {
+ *		Name (RBUF, ResourceTemplate ()
+ *		{
+ *		Interrupt(ResourceConsumer, Edge, ActiveHigh, Shared, , , )
+ *		{123}
+ *		}
+ *     })
+ *
+ *     Method (_EVT, 1) {
+ *             if (Lequal(123, Arg0))
+ *             {
+ *             }
+ *     }
+ * }
+ *
+ */
+
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/platform_device.h>
+#include <linux/acpi.h>
+
+#define MODULE_NAME	"acpi-ged"
+
+struct acpi_ged_event {
+	struct list_head node;
+	struct device *dev;
+	unsigned int gsi;
+	unsigned int irq;
+	acpi_handle handle;
+};
+
+static irqreturn_t acpi_ged_irq_handler(int irq, void *data)
+{
+	struct acpi_ged_event *event = data;
+	acpi_status acpi_ret;
+
+	acpi_ret = acpi_execute_simple_method(event->handle, NULL, event->gsi);
+	if (ACPI_FAILURE(acpi_ret))
+		dev_err_once(event->dev, "IRQ method execution failed\n");
+
+	return IRQ_HANDLED;
+}
+
+static acpi_status acpi_ged_request_interrupt(struct acpi_resource *ares,
+					      void *context)
+{
+	struct acpi_ged_event *event;
+	unsigned int irq;
+	unsigned int gsi;
+	unsigned int irqflags = IRQF_ONESHOT;
+	struct device *dev = context;
+	acpi_handle handle = ACPI_HANDLE(dev);
+	acpi_handle evt_handle;
+	struct resource r;
+	struct acpi_resource_irq *p = &ares->data.irq;
+	struct acpi_resource_extended_irq *pext = &ares->data.extended_irq;
+
+	if (ares->type == ACPI_RESOURCE_TYPE_END_TAG)
+		return AE_OK;
+
+	if (!acpi_dev_resource_interrupt(ares, 0, &r)) {
+		dev_err(dev, "unable to parse IRQ resource\n");
+		return AE_ERROR;
+	}
+	if (ares->type == ACPI_RESOURCE_TYPE_IRQ)
+		gsi = p->interrupts[0];
+	else
+		gsi = pext->interrupts[0];
+
+	irq = r.start;
+
+	if (ACPI_FAILURE(acpi_get_handle(handle, "_EVT", &evt_handle))) {
+		dev_err(dev, "cannot locate _EVT method\n");
+		return AE_ERROR;
+	}
+
+	dev_info(dev, "GED listening GSI %u @ IRQ %u\n", gsi, irq);
+
+	event = devm_kzalloc(dev, sizeof(*event), GFP_KERNEL);
+	if (!event)
+		return AE_ERROR;
+
+	event->gsi = gsi;
+	event->dev = dev;
+	event->irq = irq;
+	event->handle = evt_handle;
+
+	if (r.flags & IORESOURCE_IRQ_SHAREABLE)
+		irqflags |= IRQF_SHARED;
+
+	if (devm_request_threaded_irq(dev, irq, NULL, acpi_ged_irq_handler,
+				      irqflags, "ACPI:Ged", event)) {
+		dev_err(dev, "failed to setup event handler for irq %u\n", irq);
+		return AE_ERROR;
+	}
+
+	return AE_OK;
+}
+
+static int ged_probe(struct platform_device *pdev)
+{
+	acpi_status acpi_ret;
+
+	acpi_ret = acpi_walk_resources(ACPI_HANDLE(&pdev->dev), "_CRS",
+				       acpi_ged_request_interrupt, &pdev->dev);
+	if (ACPI_FAILURE(acpi_ret)) {
+		dev_err(&pdev->dev, "unable to parse the _CRS record\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static const struct acpi_device_id ged_acpi_ids[] = {
+	{"ACPI0013"},
+	{},
+};
+
+static struct platform_driver ged_driver = {
+	.probe = ged_probe,
+	.driver = {
+		.name = MODULE_NAME,
+		.acpi_match_table = ACPI_PTR(ged_acpi_ids),
+	},
+};
+builtin_platform_driver(ged_driver);
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index a8780a2..9bb0773 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -22,7 +22,6 @@
 
 int early_acpi_osi_init(void);
 int acpi_osi_init(void);
-void acpi_initrd_initialize_tables(void);
 acpi_status acpi_os_initialize1(void);
 void init_acpi_device_notify(void);
 int acpi_scan_init(void);
diff --git a/drivers/acpi/nfit.c b/drivers/acpi/nfit.c
index d0f35e6..63cc9db 100644
--- a/drivers/acpi/nfit.c
+++ b/drivers/acpi/nfit.c
@@ -287,8 +287,11 @@
 					offset);
 			rc = -ENXIO;
 		}
-	} else
+	} else {
 		rc = 0;
+		if (cmd_rc)
+			*cmd_rc = xlat_status(buf, cmd);
+	}
 
  out:
 	ACPI_FREE(out_obj);
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index 72b6e9e..d176e0e 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -327,10 +327,18 @@
 
 	/* SRAT: Static Resource Affinity Table */
 	if (!acpi_table_parse(ACPI_SIG_SRAT, acpi_parse_srat)) {
-		acpi_table_parse_srat(ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY,
-				     acpi_parse_x2apic_affinity, 0);
-		acpi_table_parse_srat(ACPI_SRAT_TYPE_CPU_AFFINITY,
-				     acpi_parse_processor_affinity, 0);
+		struct acpi_subtable_proc srat_proc[2];
+
+		memset(srat_proc, 0, sizeof(srat_proc));
+		srat_proc[0].id = ACPI_SRAT_TYPE_CPU_AFFINITY;
+		srat_proc[0].handler = acpi_parse_processor_affinity;
+		srat_proc[1].id = ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY;
+		srat_proc[1].handler = acpi_parse_x2apic_affinity;
+
+		acpi_table_parse_entries_array(ACPI_SIG_SRAT,
+					sizeof(struct acpi_table_srat),
+					srat_proc, ARRAY_SIZE(srat_proc), 0);
+
 		cnt = acpi_table_parse_srat(ACPI_SRAT_TYPE_MEMORY_AFFINITY,
 					    acpi_parse_memory_affinity,
 					    NR_NODE_MEMBLKS);
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 29af6b4..b108f13 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -56,10 +56,6 @@
 	struct work_struct work;
 };
 
-#ifdef CONFIG_ACPI_CUSTOM_DSDT
-#include CONFIG_ACPI_CUSTOM_DSDT_FILE
-#endif
-
 #ifdef ENABLE_DEBUGGER
 #include <linux/kdb.h>
 
@@ -516,7 +512,7 @@
 
 acpi_status
 acpi_os_predefined_override(const struct acpi_predefined_names *init_val,
-			    char **new_val)
+			    acpi_string *new_val)
 {
 	if (!init_val || !new_val)
 		return AE_BAD_PARAMETER;
@@ -536,280 +532,6 @@
 	return AE_OK;
 }
 
-static void acpi_table_taint(struct acpi_table_header *table)
-{
-	pr_warn(PREFIX
-		"Override [%4.4s-%8.8s], this is unsafe: tainting kernel\n",
-		table->signature, table->oem_table_id);
-	add_taint(TAINT_OVERRIDDEN_ACPI_TABLE, LOCKDEP_NOW_UNRELIABLE);
-}
-
-#ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
-#include <linux/earlycpio.h>
-#include <linux/memblock.h>
-
-static u64 acpi_tables_addr;
-static int all_tables_size;
-
-/* Copied from acpica/tbutils.c:acpi_tb_checksum() */
-static u8 __init acpi_table_checksum(u8 *buffer, u32 length)
-{
-	u8 sum = 0;
-	u8 *end = buffer + length;
-
-	while (buffer < end)
-		sum = (u8) (sum + *(buffer++));
-	return sum;
-}
-
-/* All but ACPI_SIG_RSDP and ACPI_SIG_FACS: */
-static const char * const table_sigs[] = {
-	ACPI_SIG_BERT, ACPI_SIG_CPEP, ACPI_SIG_ECDT, ACPI_SIG_EINJ,
-	ACPI_SIG_ERST, ACPI_SIG_HEST, ACPI_SIG_MADT, ACPI_SIG_MSCT,
-	ACPI_SIG_SBST, ACPI_SIG_SLIT, ACPI_SIG_SRAT, ACPI_SIG_ASF,
-	ACPI_SIG_BOOT, ACPI_SIG_DBGP, ACPI_SIG_DMAR, ACPI_SIG_HPET,
-	ACPI_SIG_IBFT, ACPI_SIG_IVRS, ACPI_SIG_MCFG, ACPI_SIG_MCHI,
-	ACPI_SIG_SLIC, ACPI_SIG_SPCR, ACPI_SIG_SPMI, ACPI_SIG_TCPA,
-	ACPI_SIG_UEFI, ACPI_SIG_WAET, ACPI_SIG_WDAT, ACPI_SIG_WDDT,
-	ACPI_SIG_WDRT, ACPI_SIG_DSDT, ACPI_SIG_FADT, ACPI_SIG_PSDT,
-	ACPI_SIG_RSDT, ACPI_SIG_XSDT, ACPI_SIG_SSDT, NULL };
-
-#define ACPI_HEADER_SIZE sizeof(struct acpi_table_header)
-
-#define ACPI_OVERRIDE_TABLES 64
-static struct cpio_data __initdata acpi_initrd_files[ACPI_OVERRIDE_TABLES];
-static DECLARE_BITMAP(acpi_initrd_installed, ACPI_OVERRIDE_TABLES);
-
-#define MAP_CHUNK_SIZE   (NR_FIX_BTMAPS << PAGE_SHIFT)
-
-void __init acpi_initrd_override(void *data, size_t size)
-{
-	int sig, no, table_nr = 0, total_offset = 0;
-	long offset = 0;
-	struct acpi_table_header *table;
-	char cpio_path[32] = "kernel/firmware/acpi/";
-	struct cpio_data file;
-
-	if (data == NULL || size == 0)
-		return;
-
-	for (no = 0; no < ACPI_OVERRIDE_TABLES; no++) {
-		file = find_cpio_data(cpio_path, data, size, &offset);
-		if (!file.data)
-			break;
-
-		data += offset;
-		size -= offset;
-
-		if (file.size < sizeof(struct acpi_table_header)) {
-			pr_err("ACPI OVERRIDE: Table smaller than ACPI header [%s%s]\n",
-				cpio_path, file.name);
-			continue;
-		}
-
-		table = file.data;
-
-		for (sig = 0; table_sigs[sig]; sig++)
-			if (!memcmp(table->signature, table_sigs[sig], 4))
-				break;
-
-		if (!table_sigs[sig]) {
-			pr_err("ACPI OVERRIDE: Unknown signature [%s%s]\n",
-				cpio_path, file.name);
-			continue;
-		}
-		if (file.size != table->length) {
-			pr_err("ACPI OVERRIDE: File length does not match table length [%s%s]\n",
-				cpio_path, file.name);
-			continue;
-		}
-		if (acpi_table_checksum(file.data, table->length)) {
-			pr_err("ACPI OVERRIDE: Bad table checksum [%s%s]\n",
-				cpio_path, file.name);
-			continue;
-		}
-
-		pr_info("%4.4s ACPI table found in initrd [%s%s][0x%x]\n",
-			table->signature, cpio_path, file.name, table->length);
-
-		all_tables_size += table->length;
-		acpi_initrd_files[table_nr].data = file.data;
-		acpi_initrd_files[table_nr].size = file.size;
-		table_nr++;
-	}
-	if (table_nr == 0)
-		return;
-
-	acpi_tables_addr =
-		memblock_find_in_range(0, max_low_pfn_mapped << PAGE_SHIFT,
-				       all_tables_size, PAGE_SIZE);
-	if (!acpi_tables_addr) {
-		WARN_ON(1);
-		return;
-	}
-	/*
-	 * Only calling e820_add_reserve does not work and the
-	 * tables are invalid (memory got used) later.
-	 * memblock_reserve works as expected and the tables won't get modified.
-	 * But it's not enough on X86 because ioremap will
-	 * complain later (used by acpi_os_map_memory) that the pages
-	 * that should get mapped are not marked "reserved".
-	 * Both memblock_reserve and e820_add_region (via arch_reserve_mem_area)
-	 * works fine.
-	 */
-	memblock_reserve(acpi_tables_addr, all_tables_size);
-	arch_reserve_mem_area(acpi_tables_addr, all_tables_size);
-
-	/*
-	 * early_ioremap only can remap 256k one time. If we map all
-	 * tables one time, we will hit the limit. Need to map chunks
-	 * one by one during copying the same as that in relocate_initrd().
-	 */
-	for (no = 0; no < table_nr; no++) {
-		unsigned char *src_p = acpi_initrd_files[no].data;
-		phys_addr_t size = acpi_initrd_files[no].size;
-		phys_addr_t dest_addr = acpi_tables_addr + total_offset;
-		phys_addr_t slop, clen;
-		char *dest_p;
-
-		total_offset += size;
-
-		while (size) {
-			slop = dest_addr & ~PAGE_MASK;
-			clen = size;
-			if (clen > MAP_CHUNK_SIZE - slop)
-				clen = MAP_CHUNK_SIZE - slop;
-			dest_p = early_ioremap(dest_addr & PAGE_MASK,
-						 clen + slop);
-			memcpy(dest_p + slop, src_p, clen);
-			early_iounmap(dest_p, clen + slop);
-			src_p += clen;
-			dest_addr += clen;
-			size -= clen;
-		}
-	}
-}
-
-acpi_status
-acpi_os_physical_table_override(struct acpi_table_header *existing_table,
-				acpi_physical_address *address, u32 *length)
-{
-	int table_offset = 0;
-	int table_index = 0;
-	struct acpi_table_header *table;
-	u32 table_length;
-
-	*length = 0;
-	*address = 0;
-	if (!acpi_tables_addr)
-		return AE_OK;
-
-	while (table_offset + ACPI_HEADER_SIZE <= all_tables_size) {
-		table = acpi_os_map_memory(acpi_tables_addr + table_offset,
-					   ACPI_HEADER_SIZE);
-		if (table_offset + table->length > all_tables_size) {
-			acpi_os_unmap_memory(table, ACPI_HEADER_SIZE);
-			WARN_ON(1);
-			return AE_OK;
-		}
-
-		table_length = table->length;
-
-		/* Only override tables matched */
-		if (test_bit(table_index, acpi_initrd_installed) ||
-		    memcmp(existing_table->signature, table->signature, 4) ||
-		    memcmp(table->oem_table_id, existing_table->oem_table_id,
-			   ACPI_OEM_TABLE_ID_SIZE)) {
-			acpi_os_unmap_memory(table, ACPI_HEADER_SIZE);
-			goto next_table;
-		}
-
-		*length = table_length;
-		*address = acpi_tables_addr + table_offset;
-		acpi_table_taint(existing_table);
-		acpi_os_unmap_memory(table, ACPI_HEADER_SIZE);
-		set_bit(table_index, acpi_initrd_installed);
-		break;
-
-next_table:
-		table_offset += table_length;
-		table_index++;
-	}
-	return AE_OK;
-}
-
-void __init acpi_initrd_initialize_tables(void)
-{
-	int table_offset = 0;
-	int table_index = 0;
-	u32 table_length;
-	struct acpi_table_header *table;
-
-	if (!acpi_tables_addr)
-		return;
-
-	while (table_offset + ACPI_HEADER_SIZE <= all_tables_size) {
-		table = acpi_os_map_memory(acpi_tables_addr + table_offset,
-					   ACPI_HEADER_SIZE);
-		if (table_offset + table->length > all_tables_size) {
-			acpi_os_unmap_memory(table, ACPI_HEADER_SIZE);
-			WARN_ON(1);
-			return;
-		}
-
-		table_length = table->length;
-
-		/* Skip RSDT/XSDT which should only be used for override */
-		if (test_bit(table_index, acpi_initrd_installed) ||
-		    ACPI_COMPARE_NAME(table->signature, ACPI_SIG_RSDT) ||
-		    ACPI_COMPARE_NAME(table->signature, ACPI_SIG_XSDT)) {
-			acpi_os_unmap_memory(table, ACPI_HEADER_SIZE);
-			goto next_table;
-		}
-
-		acpi_table_taint(table);
-		acpi_os_unmap_memory(table, ACPI_HEADER_SIZE);
-		acpi_install_table(acpi_tables_addr + table_offset, TRUE);
-		set_bit(table_index, acpi_initrd_installed);
-next_table:
-		table_offset += table_length;
-		table_index++;
-	}
-}
-#else
-acpi_status
-acpi_os_physical_table_override(struct acpi_table_header *existing_table,
-				acpi_physical_address *address,
-				u32 *table_length)
-{
-	*table_length = 0;
-	*address = 0;
-	return AE_OK;
-}
-
-void __init acpi_initrd_initialize_tables(void)
-{
-}
-#endif /* CONFIG_ACPI_INITRD_TABLE_OVERRIDE */
-
-acpi_status
-acpi_os_table_override(struct acpi_table_header *existing_table,
-		       struct acpi_table_header **new_table)
-{
-	if (!existing_table || !new_table)
-		return AE_BAD_PARAMETER;
-
-	*new_table = NULL;
-
-#ifdef CONFIG_ACPI_CUSTOM_DSDT
-	if (strncmp(existing_table->signature, "DSDT", 4) == 0)
-		*new_table = (struct acpi_table_header *)AmlCode;
-#endif
-	if (*new_table != NULL)
-		acpi_table_taint(existing_table);
-	return AE_OK;
-}
-
 static irqreturn_t acpi_irq(int irq, void *dev_id)
 {
 	u32 handled;
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 2a8b596..7a2e4d4 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -26,6 +26,11 @@
 #include "internal.h"
 #include "sleep.h"
 
+/*
+ * Some HW-full platforms do not have _S5, so they may need
+ * to leverage efi power off for a shutdown.
+ */
+bool acpi_no_s5;
 static u8 sleep_states[ACPI_S_STATE_COUNT];
 
 static void acpi_sleep_tts_switch(u32 acpi_state)
@@ -882,6 +887,8 @@
 		sleep_states[ACPI_STATE_S5] = 1;
 		pm_power_off_prepare = acpi_power_off_prepare;
 		pm_power_off = acpi_power_off;
+	} else {
+		acpi_no_s5 = true;
 	}
 
 	supported[0] = 0;
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index f49c024..a372f9e 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -32,8 +32,14 @@
 #include <linux/errno.h>
 #include <linux/acpi.h>
 #include <linux/bootmem.h>
+#include <linux/earlycpio.h>
+#include <linux/memblock.h>
 #include "internal.h"
 
+#ifdef CONFIG_ACPI_CUSTOM_DSDT
+#include CONFIG_ACPI_CUSTOM_DSDT_FILE
+#endif
+
 #define ACPI_MAX_TABLES		128
 
 static char *mps_inti_flags_polarity[] = { "dfl", "high", "res", "low" };
@@ -433,6 +439,314 @@
 	return;
 }
 
+static void acpi_table_taint(struct acpi_table_header *table)
+{
+	pr_warn("Override [%4.4s-%8.8s], this is unsafe: tainting kernel\n",
+		table->signature, table->oem_table_id);
+	add_taint(TAINT_OVERRIDDEN_ACPI_TABLE, LOCKDEP_NOW_UNRELIABLE);
+}
+
+#ifdef CONFIG_ACPI_TABLE_UPGRADE
+static u64 acpi_tables_addr;
+static int all_tables_size;
+
+/* Copied from acpica/tbutils.c:acpi_tb_checksum() */
+static u8 __init acpi_table_checksum(u8 *buffer, u32 length)
+{
+	u8 sum = 0;
+	u8 *end = buffer + length;
+
+	while (buffer < end)
+		sum = (u8) (sum + *(buffer++));
+	return sum;
+}
+
+/* All but ACPI_SIG_RSDP and ACPI_SIG_FACS: */
+static const char * const table_sigs[] = {
+	ACPI_SIG_BERT, ACPI_SIG_CPEP, ACPI_SIG_ECDT, ACPI_SIG_EINJ,
+	ACPI_SIG_ERST, ACPI_SIG_HEST, ACPI_SIG_MADT, ACPI_SIG_MSCT,
+	ACPI_SIG_SBST, ACPI_SIG_SLIT, ACPI_SIG_SRAT, ACPI_SIG_ASF,
+	ACPI_SIG_BOOT, ACPI_SIG_DBGP, ACPI_SIG_DMAR, ACPI_SIG_HPET,
+	ACPI_SIG_IBFT, ACPI_SIG_IVRS, ACPI_SIG_MCFG, ACPI_SIG_MCHI,
+	ACPI_SIG_SLIC, ACPI_SIG_SPCR, ACPI_SIG_SPMI, ACPI_SIG_TCPA,
+	ACPI_SIG_UEFI, ACPI_SIG_WAET, ACPI_SIG_WDAT, ACPI_SIG_WDDT,
+	ACPI_SIG_WDRT, ACPI_SIG_DSDT, ACPI_SIG_FADT, ACPI_SIG_PSDT,
+	ACPI_SIG_RSDT, ACPI_SIG_XSDT, ACPI_SIG_SSDT, NULL };
+
+#define ACPI_HEADER_SIZE sizeof(struct acpi_table_header)
+
+#define NR_ACPI_INITRD_TABLES 64
+static struct cpio_data __initdata acpi_initrd_files[NR_ACPI_INITRD_TABLES];
+static DECLARE_BITMAP(acpi_initrd_installed, NR_ACPI_INITRD_TABLES);
+
+#define MAP_CHUNK_SIZE   (NR_FIX_BTMAPS << PAGE_SHIFT)
+
+static void __init acpi_table_initrd_init(void *data, size_t size)
+{
+	int sig, no, table_nr = 0, total_offset = 0;
+	long offset = 0;
+	struct acpi_table_header *table;
+	char cpio_path[32] = "kernel/firmware/acpi/";
+	struct cpio_data file;
+
+	if (data == NULL || size == 0)
+		return;
+
+	for (no = 0; no < NR_ACPI_INITRD_TABLES; no++) {
+		file = find_cpio_data(cpio_path, data, size, &offset);
+		if (!file.data)
+			break;
+
+		data += offset;
+		size -= offset;
+
+		if (file.size < sizeof(struct acpi_table_header)) {
+			pr_err("ACPI OVERRIDE: Table smaller than ACPI header [%s%s]\n",
+				cpio_path, file.name);
+			continue;
+		}
+
+		table = file.data;
+
+		for (sig = 0; table_sigs[sig]; sig++)
+			if (!memcmp(table->signature, table_sigs[sig], 4))
+				break;
+
+		if (!table_sigs[sig]) {
+			pr_err("ACPI OVERRIDE: Unknown signature [%s%s]\n",
+				cpio_path, file.name);
+			continue;
+		}
+		if (file.size != table->length) {
+			pr_err("ACPI OVERRIDE: File length does not match table length [%s%s]\n",
+				cpio_path, file.name);
+			continue;
+		}
+		if (acpi_table_checksum(file.data, table->length)) {
+			pr_err("ACPI OVERRIDE: Bad table checksum [%s%s]\n",
+				cpio_path, file.name);
+			continue;
+		}
+
+		pr_info("%4.4s ACPI table found in initrd [%s%s][0x%x]\n",
+			table->signature, cpio_path, file.name, table->length);
+
+		all_tables_size += table->length;
+		acpi_initrd_files[table_nr].data = file.data;
+		acpi_initrd_files[table_nr].size = file.size;
+		table_nr++;
+	}
+	if (table_nr == 0)
+		return;
+
+	acpi_tables_addr =
+		memblock_find_in_range(0, max_low_pfn_mapped << PAGE_SHIFT,
+				       all_tables_size, PAGE_SIZE);
+	if (!acpi_tables_addr) {
+		WARN_ON(1);
+		return;
+	}
+	/*
+	 * Only calling e820_add_reserve does not work and the
+	 * tables are invalid (memory got used) later.
+	 * memblock_reserve works as expected and the tables won't get modified.
+	 * But it's not enough on X86 because ioremap will
+	 * complain later (used by acpi_os_map_memory) that the pages
+	 * that should get mapped are not marked "reserved".
+	 * Both memblock_reserve and e820_add_region (via arch_reserve_mem_area)
+	 * works fine.
+	 */
+	memblock_reserve(acpi_tables_addr, all_tables_size);
+	arch_reserve_mem_area(acpi_tables_addr, all_tables_size);
+
+	/*
+	 * early_ioremap only can remap 256k one time. If we map all
+	 * tables one time, we will hit the limit. Need to map chunks
+	 * one by one during copying the same as that in relocate_initrd().
+	 */
+	for (no = 0; no < table_nr; no++) {
+		unsigned char *src_p = acpi_initrd_files[no].data;
+		phys_addr_t size = acpi_initrd_files[no].size;
+		phys_addr_t dest_addr = acpi_tables_addr + total_offset;
+		phys_addr_t slop, clen;
+		char *dest_p;
+
+		total_offset += size;
+
+		while (size) {
+			slop = dest_addr & ~PAGE_MASK;
+			clen = size;
+			if (clen > MAP_CHUNK_SIZE - slop)
+				clen = MAP_CHUNK_SIZE - slop;
+			dest_p = early_ioremap(dest_addr & PAGE_MASK,
+						 clen + slop);
+			memcpy(dest_p + slop, src_p, clen);
+			early_iounmap(dest_p, clen + slop);
+			src_p += clen;
+			dest_addr += clen;
+			size -= clen;
+		}
+	}
+}
+
+static acpi_status
+acpi_table_initrd_override(struct acpi_table_header *existing_table,
+			   acpi_physical_address *address, u32 *length)
+{
+	int table_offset = 0;
+	int table_index = 0;
+	struct acpi_table_header *table;
+	u32 table_length;
+
+	*length = 0;
+	*address = 0;
+	if (!acpi_tables_addr)
+		return AE_OK;
+
+	while (table_offset + ACPI_HEADER_SIZE <= all_tables_size) {
+		table = acpi_os_map_memory(acpi_tables_addr + table_offset,
+					   ACPI_HEADER_SIZE);
+		if (table_offset + table->length > all_tables_size) {
+			acpi_os_unmap_memory(table, ACPI_HEADER_SIZE);
+			WARN_ON(1);
+			return AE_OK;
+		}
+
+		table_length = table->length;
+
+		/* Only override tables matched */
+		if (memcmp(existing_table->signature, table->signature, 4) ||
+		    memcmp(table->oem_id, existing_table->oem_id,
+			   ACPI_OEM_ID_SIZE) ||
+		    memcmp(table->oem_table_id, existing_table->oem_table_id,
+			   ACPI_OEM_TABLE_ID_SIZE)) {
+			acpi_os_unmap_memory(table, ACPI_HEADER_SIZE);
+			goto next_table;
+		}
+		/*
+		 * Mark the table to avoid being used in
+		 * acpi_table_initrd_scan() and check the revision.
+		 */
+		if (test_and_set_bit(table_index, acpi_initrd_installed) ||
+		    existing_table->oem_revision >= table->oem_revision) {
+			acpi_os_unmap_memory(table, ACPI_HEADER_SIZE);
+			goto next_table;
+		}
+
+		*length = table_length;
+		*address = acpi_tables_addr + table_offset;
+		pr_info("Table Upgrade: override [%4.4s-%6.6s-%8.8s]\n",
+			table->signature, table->oem_id,
+			table->oem_table_id);
+		acpi_os_unmap_memory(table, ACPI_HEADER_SIZE);
+		break;
+
+next_table:
+		table_offset += table_length;
+		table_index++;
+	}
+	return AE_OK;
+}
+
+static void __init acpi_table_initrd_scan(void)
+{
+	int table_offset = 0;
+	int table_index = 0;
+	u32 table_length;
+	struct acpi_table_header *table;
+
+	if (!acpi_tables_addr)
+		return;
+
+	while (table_offset + ACPI_HEADER_SIZE <= all_tables_size) {
+		table = acpi_os_map_memory(acpi_tables_addr + table_offset,
+					   ACPI_HEADER_SIZE);
+		if (table_offset + table->length > all_tables_size) {
+			acpi_os_unmap_memory(table, ACPI_HEADER_SIZE);
+			WARN_ON(1);
+			return;
+		}
+
+		table_length = table->length;
+
+		/* Skip RSDT/XSDT which should only be used for override */
+		if (ACPI_COMPARE_NAME(table->signature, ACPI_SIG_RSDT) ||
+		    ACPI_COMPARE_NAME(table->signature, ACPI_SIG_XSDT)) {
+			acpi_os_unmap_memory(table, ACPI_HEADER_SIZE);
+			goto next_table;
+		}
+		/*
+		 * Mark the table to avoid being used in
+		 * acpi_table_initrd_override(). Though this is not possible
+		 * because override is disabled in acpi_install_table().
+		 */
+		if (test_and_set_bit(table_index, acpi_initrd_installed)) {
+			acpi_os_unmap_memory(table, ACPI_HEADER_SIZE);
+			goto next_table;
+		}
+
+		pr_info("Table Upgrade: install [%4.4s-%6.6s-%8.8s]\n",
+			table->signature, table->oem_id,
+			table->oem_table_id);
+		acpi_os_unmap_memory(table, ACPI_HEADER_SIZE);
+		acpi_install_table(acpi_tables_addr + table_offset, TRUE);
+next_table:
+		table_offset += table_length;
+		table_index++;
+	}
+}
+#else
+static void __init acpi_table_initrd_init(void *data, size_t size)
+{
+}
+
+static acpi_status
+acpi_table_initrd_override(struct acpi_table_header *existing_table,
+			   acpi_physical_address *address,
+			   u32 *table_length)
+{
+	*table_length = 0;
+	*address = 0;
+	return AE_OK;
+}
+
+static void __init acpi_table_initrd_scan(void)
+{
+}
+#endif /* CONFIG_ACPI_TABLE_UPGRADE */
+
+acpi_status
+acpi_os_physical_table_override(struct acpi_table_header *existing_table,
+				acpi_physical_address *address,
+				u32 *table_length)
+{
+	return acpi_table_initrd_override(existing_table, address,
+					  table_length);
+}
+
+acpi_status
+acpi_os_table_override(struct acpi_table_header *existing_table,
+		       struct acpi_table_header **new_table)
+{
+	if (!existing_table || !new_table)
+		return AE_BAD_PARAMETER;
+
+	*new_table = NULL;
+
+#ifdef CONFIG_ACPI_CUSTOM_DSDT
+	if (strncmp(existing_table->signature, "DSDT", 4) == 0)
+		*new_table = (struct acpi_table_header *)AmlCode;
+#endif
+	if (*new_table != NULL)
+		acpi_table_taint(existing_table);
+	return AE_OK;
+}
+
+void __init early_acpi_table_init(void *data, size_t size)
+{
+	acpi_table_initrd_init(data, size);
+}
+
 /*
  * acpi_table_init()
  *
@@ -457,7 +771,7 @@
 	status = acpi_initialize_tables(initial_tables, ACPI_MAX_TABLES, 0);
 	if (ACPI_FAILURE(status))
 		return -EINVAL;
-	acpi_initrd_initialize_tables();
+	acpi_table_initrd_scan();
 
 	check_multiple_madt();
 	return 0;
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 1316ddd..3d13276 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -358,7 +358,7 @@
 	if (!(video_caps & ACPI_VIDEO_BACKLIGHT))
 		return acpi_backlight_vendor;
 
-	if (acpi_osi_is_win8() && backlight_device_registered(BACKLIGHT_RAW))
+	if (acpi_osi_is_win8() && backlight_device_get_by_type(BACKLIGHT_RAW))
 		return acpi_backlight_native;
 
 	return acpi_backlight_video;
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 5083f85..cfa936a 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -202,6 +202,14 @@
 
 	  If unsure, say N.
 
+config SATA_AHCI_SEATTLE
+	tristate "AMD Seattle 6.0Gbps AHCI SATA host controller support"
+	depends on ARCH_SEATTLE
+	help
+	 This option enables support for AMD Seattle SATA host controller.
+
+	 If unsure, say N
+
 config SATA_INIC162X
 	tristate "Initio 162x SATA support (Very Experimental)"
 	depends on PCI
diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile
index 1857952..0b2afb7 100644
--- a/drivers/ata/Makefile
+++ b/drivers/ata/Makefile
@@ -4,6 +4,7 @@
 # non-SFF interface
 obj-$(CONFIG_SATA_AHCI)		+= ahci.o libahci.o
 obj-$(CONFIG_SATA_ACARD_AHCI)	+= acard-ahci.o libahci.o
+obj-$(CONFIG_SATA_AHCI_SEATTLE)	+= ahci_seattle.o libahci.o libahci_platform.o
 obj-$(CONFIG_SATA_AHCI_PLATFORM) += ahci_platform.o libahci.o libahci_platform.o
 obj-$(CONFIG_SATA_FSL)		+= sata_fsl.o
 obj-$(CONFIG_SATA_INIC162X)	+= sata_inic162x.o
diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
index 4044233..62a04c8 100644
--- a/drivers/ata/ahci_platform.c
+++ b/drivers/ata/ahci_platform.c
@@ -51,6 +51,9 @@
 	if (rc)
 		return rc;
 
+	of_property_read_u32(dev->of_node,
+			     "ports-implemented", &hpriv->force_port_map);
+
 	if (of_device_is_compatible(dev->of_node, "hisilicon,hisi-ahci"))
 		hpriv->flags |= AHCI_HFLAG_NO_FBS | AHCI_HFLAG_NO_NCQ;
 
diff --git a/drivers/ata/ahci_seattle.c b/drivers/ata/ahci_seattle.c
new file mode 100644
index 0000000..6e702ab
--- /dev/null
+++ b/drivers/ata/ahci_seattle.c
@@ -0,0 +1,210 @@
+/*
+ * AMD Seattle AHCI SATA driver
+ *
+ * Copyright (c) 2015, Advanced Micro Devices
+ * Author: Brijesh Singh <brijesh.singh@amd.com>
+ *
+ * based on the AHCI SATA platform driver by Jeff Garzik and Anton Vorontsov
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pm.h>
+#include <linux/device.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/libata.h>
+#include <linux/ahci_platform.h>
+#include <linux/acpi.h>
+#include <linux/pci_ids.h>
+#include "ahci.h"
+
+/* SGPIO Control Register definition
+ *
+ * Bit		Type		Description
+ * 31		RW		OD7.2 (activity)
+ * 30		RW		OD7.1 (locate)
+ * 29		RW		OD7.0 (fault)
+ * 28...8	RW		OD6.2...OD0.0 (3bits per port, 1 bit per LED)
+ * 7		RO		SGPIO feature flag
+ * 6:4		RO		Reserved
+ * 3:0		RO		Number of ports (0 means no port supported)
+ */
+#define ACTIVITY_BIT_POS(x)		(8 + (3 * x))
+#define LOCATE_BIT_POS(x)		(ACTIVITY_BIT_POS(x) + 1)
+#define FAULT_BIT_POS(x)		(LOCATE_BIT_POS(x) + 1)
+
+#define ACTIVITY_MASK			0x00010000
+#define LOCATE_MASK			0x00080000
+#define FAULT_MASK			0x00400000
+
+#define DRV_NAME "ahci-seattle"
+
+static ssize_t seattle_transmit_led_message(struct ata_port *ap, u32 state,
+					    ssize_t size);
+
+struct seattle_plat_data {
+	void __iomem *sgpio_ctrl;
+};
+
+static struct ata_port_operations ahci_port_ops = {
+	.inherits		= &ahci_ops,
+};
+
+static const struct ata_port_info ahci_port_info = {
+	.flags		= AHCI_FLAG_COMMON,
+	.pio_mask	= ATA_PIO4,
+	.udma_mask	= ATA_UDMA6,
+	.port_ops	= &ahci_port_ops,
+};
+
+static struct ata_port_operations ahci_seattle_ops = {
+	.inherits		= &ahci_ops,
+	.transmit_led_message   = seattle_transmit_led_message,
+};
+
+static const struct ata_port_info ahci_port_seattle_info = {
+	.flags		= AHCI_FLAG_COMMON | ATA_FLAG_EM | ATA_FLAG_SW_ACTIVITY,
+	.link_flags	= ATA_LFLAG_SW_ACTIVITY,
+	.pio_mask	= ATA_PIO4,
+	.udma_mask	= ATA_UDMA6,
+	.port_ops	= &ahci_seattle_ops,
+};
+
+static struct scsi_host_template ahci_platform_sht = {
+	AHCI_SHT(DRV_NAME),
+};
+
+static ssize_t seattle_transmit_led_message(struct ata_port *ap, u32 state,
+					    ssize_t size)
+{
+	struct ahci_host_priv *hpriv = ap->host->private_data;
+	struct ahci_port_priv *pp = ap->private_data;
+	struct seattle_plat_data *plat_data = hpriv->plat_data;
+	unsigned long flags;
+	int pmp;
+	struct ahci_em_priv *emp;
+	u32 val;
+
+	/* get the slot number from the message */
+	pmp = (state & EM_MSG_LED_PMP_SLOT) >> 8;
+	if (pmp >= EM_MAX_SLOTS)
+		return -EINVAL;
+	emp = &pp->em_priv[pmp];
+
+	val = ioread32(plat_data->sgpio_ctrl);
+	if (state & ACTIVITY_MASK)
+		val |= 1 << ACTIVITY_BIT_POS((ap->port_no));
+	else
+		val &= ~(1 << ACTIVITY_BIT_POS((ap->port_no)));
+
+	if (state & LOCATE_MASK)
+		val |= 1 << LOCATE_BIT_POS((ap->port_no));
+	else
+		val &= ~(1 << LOCATE_BIT_POS((ap->port_no)));
+
+	if (state & FAULT_MASK)
+		val |= 1 << FAULT_BIT_POS((ap->port_no));
+	else
+		val &= ~(1 << FAULT_BIT_POS((ap->port_no)));
+
+	iowrite32(val, plat_data->sgpio_ctrl);
+
+	spin_lock_irqsave(ap->lock, flags);
+
+	/* save off new led state for port/slot */
+	emp->led_state = state;
+
+	spin_unlock_irqrestore(ap->lock, flags);
+
+	return size;
+}
+
+static const struct ata_port_info *ahci_seattle_get_port_info(
+		struct platform_device *pdev, struct ahci_host_priv *hpriv)
+{
+	struct device *dev = &pdev->dev;
+	struct seattle_plat_data *plat_data;
+	u32 val;
+
+	plat_data = devm_kzalloc(dev, sizeof(*plat_data), GFP_KERNEL);
+	if (IS_ERR(plat_data))
+		return &ahci_port_info;
+
+	plat_data->sgpio_ctrl = devm_ioremap_resource(dev,
+			      platform_get_resource(pdev, IORESOURCE_MEM, 1));
+	if (IS_ERR(plat_data->sgpio_ctrl))
+		return &ahci_port_info;
+
+	val = ioread32(plat_data->sgpio_ctrl);
+
+	if (!(val & 0xf))
+		return &ahci_port_info;
+
+	hpriv->em_loc = 0;
+	hpriv->em_buf_sz = 4;
+	hpriv->em_msg_type = EM_MSG_TYPE_LED;
+	hpriv->plat_data = plat_data;
+
+	dev_info(dev, "SGPIO LED control is enabled.\n");
+	return &ahci_port_seattle_info;
+}
+
+static int ahci_seattle_probe(struct platform_device *pdev)
+{
+	int rc;
+	struct ahci_host_priv *hpriv;
+
+	hpriv = ahci_platform_get_resources(pdev);
+	if (IS_ERR(hpriv))
+		return PTR_ERR(hpriv);
+
+	rc = ahci_platform_enable_resources(hpriv);
+	if (rc)
+		return rc;
+
+	rc = ahci_platform_init_host(pdev, hpriv,
+				     ahci_seattle_get_port_info(pdev, hpriv),
+				     &ahci_platform_sht);
+	if (rc)
+		goto disable_resources;
+
+	return 0;
+disable_resources:
+	ahci_platform_disable_resources(hpriv);
+	return rc;
+}
+
+static SIMPLE_DEV_PM_OPS(ahci_pm_ops, ahci_platform_suspend,
+			 ahci_platform_resume);
+
+static const struct acpi_device_id ahci_acpi_match[] = {
+	{ "AMDI0600", 0 },
+	{}
+};
+MODULE_DEVICE_TABLE(acpi, ahci_acpi_match);
+
+static struct platform_driver ahci_seattle_driver = {
+	.probe = ahci_seattle_probe,
+	.remove = ata_platform_remove_one,
+	.driver = {
+		.name = DRV_NAME,
+		.acpi_match_table = ahci_acpi_match,
+		.pm = &ahci_pm_ops,
+	},
+};
+module_platform_driver(ahci_seattle_driver);
+
+MODULE_DESCRIPTION("Seattle AHCI SATA platform driver");
+MODULE_AUTHOR("Brijesh Singh <brijesh.singh@amd.com>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:" DRV_NAME);
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 3982054..a5d7c1c 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -507,6 +507,7 @@
 		dev_info(dev, "forcing port_map 0x%x -> 0x%x\n",
 			 port_map, hpriv->force_port_map);
 		port_map = hpriv->force_port_map;
+		hpriv->saved_port_map = port_map;
 	}
 
 	if (hpriv->mask_port_map) {
diff --git a/drivers/base/power/opp/core.c b/drivers/base/power/opp/core.c
index 433b600..d8f4cc2 100644
--- a/drivers/base/power/opp/core.c
+++ b/drivers/base/power/opp/core.c
@@ -259,9 +259,6 @@
 	reg = opp_table->regulator;
 	if (IS_ERR(reg)) {
 		/* Regulator may not be required for device */
-		if (reg)
-			dev_err(dev, "%s: Invalid regulator (%ld)\n", __func__,
-				PTR_ERR(reg));
 		rcu_read_unlock();
 		return 0;
 	}
diff --git a/drivers/base/property.c b/drivers/base/property.c
index 9b1a65d..7f692ac 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -21,7 +21,7 @@
 
 static inline bool is_pset_node(struct fwnode_handle *fwnode)
 {
-	return fwnode && fwnode->type == FWNODE_PDATA;
+	return !IS_ERR_OR_NULL(fwnode) && fwnode->type == FWNODE_PDATA;
 }
 
 static inline struct property_set *to_pset_node(struct fwnode_handle *fwnode)
diff --git a/drivers/clk/imx/clk-imx6q.c b/drivers/clk/imx/clk-imx6q.c
index 02e1818..2beb396f 100644
--- a/drivers/clk/imx/clk-imx6q.c
+++ b/drivers/clk/imx/clk-imx6q.c
@@ -394,7 +394,7 @@
 		clk[IMX6QDL_CLK_LDB_DI1_DIV_3_5] = imx_clk_fixed_factor("ldb_di1_div_3_5", "ldb_di1", 2, 7);
 	} else {
 		clk[IMX6QDL_CLK_ECSPI_ROOT] = imx_clk_divider("ecspi_root", "pll3_60m", base + 0x38, 19, 6);
-		clk[IMX6QDL_CLK_CAN_ROOT] = imx_clk_divider("can_root", "pll3_60", base + 0x20, 2, 6);
+		clk[IMX6QDL_CLK_CAN_ROOT] = imx_clk_divider("can_root", "pll3_60m", base + 0x20, 2, 6);
 		clk[IMX6QDL_CLK_IPG_PER] = imx_clk_fixup_divider("ipg_per", "ipg", base + 0x1c, 0, 6, imx_cscmr1_fixup);
 		clk[IMX6QDL_CLK_UART_SERIAL_PODF] = imx_clk_divider("uart_serial_podf", "pll3_80m",          base + 0x24, 0,  6);
 		clk[IMX6QDL_CLK_LDB_DI0_DIV_3_5] = imx_clk_fixed_factor("ldb_di0_div_3_5", "ldb_di0_sel", 2, 7);
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index e93405f..c4acfc5 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1557,21 +1557,25 @@
 	if (!cpufreq_driver)
 		return;
 
-	if (!has_target())
+	if (!has_target() && !cpufreq_driver->suspend)
 		goto suspend;
 
 	pr_debug("%s: Suspending Governors\n", __func__);
 
 	for_each_active_policy(policy) {
-		down_write(&policy->rwsem);
-		ret = cpufreq_governor(policy, CPUFREQ_GOV_STOP);
-		up_write(&policy->rwsem);
+		if (has_target()) {
+			down_write(&policy->rwsem);
+			ret = cpufreq_governor(policy, CPUFREQ_GOV_STOP);
+			up_write(&policy->rwsem);
 
-		if (ret)
-			pr_err("%s: Failed to stop governor for policy: %p\n",
-				__func__, policy);
-		else if (cpufreq_driver->suspend
-		    && cpufreq_driver->suspend(policy))
+			if (ret) {
+				pr_err("%s: Failed to stop governor for policy: %p\n",
+					__func__, policy);
+				continue;
+			}
+		}
+
+		if (cpufreq_driver->suspend && cpufreq_driver->suspend(policy))
 			pr_err("%s: Failed to suspend driver: %p\n", __func__,
 				policy);
 	}
@@ -1596,7 +1600,7 @@
 
 	cpufreq_suspended = false;
 
-	if (!has_target())
+	if (!has_target() && !cpufreq_driver->resume)
 		return;
 
 	pr_debug("%s: Resuming Governors\n", __func__);
@@ -1605,7 +1609,7 @@
 		if (cpufreq_driver->resume && cpufreq_driver->resume(policy)) {
 			pr_err("%s: Failed to resume driver: %p\n", __func__,
 				policy);
-		} else {
+		} else if (has_target()) {
 			down_write(&policy->rwsem);
 			ret = cpufreq_start_governor(policy);
 			up_write(&policy->rwsem);
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index f502d5b..b230eba 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -453,6 +453,14 @@
 	}
 }
 
+static int intel_pstate_hwp_set_policy(struct cpufreq_policy *policy)
+{
+	if (hwp_active)
+		intel_pstate_hwp_set(policy->cpus);
+
+	return 0;
+}
+
 static void intel_pstate_hwp_set_online_cpus(void)
 {
 	get_online_cpus();
@@ -1062,8 +1070,9 @@
 
 static inline int32_t get_avg_frequency(struct cpudata *cpu)
 {
-	return div64_u64(cpu->pstate.max_pstate_physical * cpu->sample.aperf *
-		cpu->pstate.scaling, cpu->sample.mperf);
+	return fp_toint(mul_fp(cpu->sample.core_pct_busy,
+			       int_tofp(cpu->pstate.max_pstate_physical *
+						cpu->pstate.scaling / 100)));
 }
 
 static inline int32_t get_target_pstate_use_cpu_load(struct cpudata *cpu)
@@ -1106,8 +1115,6 @@
 	int32_t core_busy, max_pstate, current_pstate, sample_ratio;
 	u64 duration_ns;
 
-	intel_pstate_calc_busy(cpu);
-
 	/*
 	 * core_busy is the ratio of actual performance to max
 	 * max_pstate is the max non turbo pstate available
@@ -1191,8 +1198,11 @@
 	if ((s64)delta_ns >= pid_params.sample_rate_ns) {
 		bool sample_taken = intel_pstate_sample(cpu, time);
 
-		if (sample_taken && !hwp_active)
-			intel_pstate_adjust_busy_pstate(cpu);
+		if (sample_taken) {
+			intel_pstate_calc_busy(cpu);
+			if (!hwp_active)
+				intel_pstate_adjust_busy_pstate(cpu);
+		}
 	}
 }
 
@@ -1346,8 +1356,7 @@
  out:
 	intel_pstate_set_update_util_hook(policy->cpu);
 
-	if (hwp_active)
-		intel_pstate_hwp_set(policy->cpus);
+	intel_pstate_hwp_set_policy(policy);
 
 	return 0;
 }
@@ -1411,6 +1420,7 @@
 	.flags		= CPUFREQ_CONST_LOOPS,
 	.verify		= intel_pstate_verify_policy,
 	.setpolicy	= intel_pstate_set_policy,
+	.resume		= intel_pstate_hwp_set_policy,
 	.get		= intel_pstate_get,
 	.init		= intel_pstate_cpu_init,
 	.stop_cpu	= intel_pstate_stop_cpu,
diff --git a/drivers/cpufreq/sti-cpufreq.c b/drivers/cpufreq/sti-cpufreq.c
index a9c659f..0404203 100644
--- a/drivers/cpufreq/sti-cpufreq.c
+++ b/drivers/cpufreq/sti-cpufreq.c
@@ -259,6 +259,10 @@
 {
 	int ret;
 
+	if ((!of_machine_is_compatible("st,stih407")) &&
+		(!of_machine_is_compatible("st,stih410")))
+		return -ENODEV;
+
 	ddata.cpu = get_cpu_device(0);
 	if (!ddata.cpu) {
 		dev_err(ddata.cpu, "Failed to get device for CPU0\n");
diff --git a/drivers/cpuidle/cpuidle-arm.c b/drivers/cpuidle/cpuidle-arm.c
index 545069d..e342565e 100644
--- a/drivers/cpuidle/cpuidle-arm.c
+++ b/drivers/cpuidle/cpuidle-arm.c
@@ -50,7 +50,7 @@
 		 * call the CPU ops suspend protocol with idle index as a
 		 * parameter.
 		 */
-		arm_cpuidle_suspend(idx);
+		ret = arm_cpuidle_suspend(idx);
 
 		cpu_pm_exit();
 	}
diff --git a/drivers/firmware/qemu_fw_cfg.c b/drivers/firmware/qemu_fw_cfg.c
index 815c4a5..1b95475 100644
--- a/drivers/firmware/qemu_fw_cfg.c
+++ b/drivers/firmware/qemu_fw_cfg.c
@@ -77,7 +77,7 @@
 static inline void fw_cfg_read_blob(u16 key,
 				    void *buf, loff_t pos, size_t count)
 {
-	u32 glk;
+	u32 glk = -1U;
 	acpi_status status;
 
 	/* If we have ACPI, ensure mutual exclusion against any potential
diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c
index d9ab0cd..4d9a315 100644
--- a/drivers/gpio/gpio-rcar.c
+++ b/drivers/gpio/gpio-rcar.c
@@ -196,44 +196,6 @@
 	return 0;
 }
 
-static void gpio_rcar_irq_bus_lock(struct irq_data *d)
-{
-	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
-	struct gpio_rcar_priv *p = gpiochip_get_data(gc);
-
-	pm_runtime_get_sync(&p->pdev->dev);
-}
-
-static void gpio_rcar_irq_bus_sync_unlock(struct irq_data *d)
-{
-	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
-	struct gpio_rcar_priv *p = gpiochip_get_data(gc);
-
-	pm_runtime_put(&p->pdev->dev);
-}
-
-
-static int gpio_rcar_irq_request_resources(struct irq_data *d)
-{
-	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
-	struct gpio_rcar_priv *p = gpiochip_get_data(gc);
-	int error;
-
-	error = pm_runtime_get_sync(&p->pdev->dev);
-	if (error < 0)
-		return error;
-
-	return 0;
-}
-
-static void gpio_rcar_irq_release_resources(struct irq_data *d)
-{
-	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
-	struct gpio_rcar_priv *p = gpiochip_get_data(gc);
-
-	pm_runtime_put(&p->pdev->dev);
-}
-
 static irqreturn_t gpio_rcar_irq_handler(int irq, void *dev_id)
 {
 	struct gpio_rcar_priv *p = dev_id;
@@ -280,32 +242,18 @@
 
 static int gpio_rcar_request(struct gpio_chip *chip, unsigned offset)
 {
-	struct gpio_rcar_priv *p = gpiochip_get_data(chip);
-	int error;
-
-	error = pm_runtime_get_sync(&p->pdev->dev);
-	if (error < 0)
-		return error;
-
-	error = pinctrl_request_gpio(chip->base + offset);
-	if (error)
-		pm_runtime_put(&p->pdev->dev);
-
-	return error;
+	return pinctrl_request_gpio(chip->base + offset);
 }
 
 static void gpio_rcar_free(struct gpio_chip *chip, unsigned offset)
 {
-	struct gpio_rcar_priv *p = gpiochip_get_data(chip);
-
 	pinctrl_free_gpio(chip->base + offset);
 
-	/* Set the GPIO as an input to ensure that the next GPIO request won't
+	/*
+	 * Set the GPIO as an input to ensure that the next GPIO request won't
 	 * drive the GPIO pin as an output.
 	 */
 	gpio_rcar_config_general_input_output_mode(chip, offset, false);
-
-	pm_runtime_put(&p->pdev->dev);
 }
 
 static int gpio_rcar_direction_input(struct gpio_chip *chip, unsigned offset)
@@ -452,6 +400,7 @@
 	}
 
 	pm_runtime_enable(dev);
+	pm_runtime_get_sync(dev);
 
 	io = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
@@ -488,10 +437,6 @@
 	irq_chip->irq_unmask = gpio_rcar_irq_enable;
 	irq_chip->irq_set_type = gpio_rcar_irq_set_type;
 	irq_chip->irq_set_wake = gpio_rcar_irq_set_wake;
-	irq_chip->irq_bus_lock = gpio_rcar_irq_bus_lock;
-	irq_chip->irq_bus_sync_unlock = gpio_rcar_irq_bus_sync_unlock;
-	irq_chip->irq_request_resources = gpio_rcar_irq_request_resources;
-	irq_chip->irq_release_resources = gpio_rcar_irq_release_resources;
 	irq_chip->flags	= IRQCHIP_SET_TYPE_MASKED | IRQCHIP_MASK_ON_SUSPEND;
 
 	ret = gpiochip_add_data(gpio_chip, p);
@@ -522,6 +467,7 @@
 err1:
 	gpiochip_remove(gpio_chip);
 err0:
+	pm_runtime_put(dev);
 	pm_runtime_disable(dev);
 	return ret;
 }
@@ -532,6 +478,7 @@
 
 	gpiochip_remove(&p->gpio_chip);
 
+	pm_runtime_put(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
 	return 0;
 }
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index 682070d..2dc5258 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -977,7 +977,7 @@
 		lookup = kmalloc(sizeof(*lookup), GFP_KERNEL);
 		if (lookup) {
 			lookup->adev = adev;
-			lookup->con_id = con_id;
+			lookup->con_id = kstrdup(con_id, GFP_KERNEL);
 			list_add_tail(&lookup->node, &acpi_crs_lookup_list);
 		}
 	}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index e557fc1..7ecea83 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -541,6 +541,7 @@
 	if (!metadata_size) {
 		if (bo->metadata_size) {
 			kfree(bo->metadata);
+			bo->metadata = NULL;
 			bo->metadata_size = 0;
 		}
 		return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
index 1e0bba2..1cd6de5 100644
--- a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
+++ b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
@@ -298,6 +298,10 @@
 	    && (mode->crtc_vsync_start < (mode->crtc_vdisplay + 2)))
 		adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + 2;
 
+	/* vertical FP must be at least 1 */
+	if (mode->crtc_vsync_start == mode->crtc_vdisplay)
+		adjusted_mode->crtc_vsync_start++;
+
 	/* get the native mode for scaling */
 	if (amdgpu_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT))
 		amdgpu_panel_mode_fixup(encoder, adjusted_mode);
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 30798cb..6d2fb3f 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -792,7 +792,7 @@
 static int i915_drm_resume_early(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	int ret = 0;
+	int ret;
 
 	/*
 	 * We have a resume ordering issue with the snd-hda driver also
@@ -803,6 +803,36 @@
 	 * FIXME: This should be solved with a special hdmi sink device or
 	 * similar so that power domains can be employed.
 	 */
+
+	/*
+	 * Note that we need to set the power state explicitly, since we
+	 * powered off the device during freeze and the PCI core won't power
+	 * it back up for us during thaw. Powering off the device during
+	 * freeze is not a hard requirement though, and during the
+	 * suspend/resume phases the PCI core makes sure we get here with the
+	 * device powered on. So in case we change our freeze logic and keep
+	 * the device powered we can also remove the following set power state
+	 * call.
+	 */
+	ret = pci_set_power_state(dev->pdev, PCI_D0);
+	if (ret) {
+		DRM_ERROR("failed to set PCI D0 power state (%d)\n", ret);
+		goto out;
+	}
+
+	/*
+	 * Note that pci_enable_device() first enables any parent bridge
+	 * device and only then sets the power state for this device. The
+	 * bridge enabling is a nop though, since bridge devices are resumed
+	 * first. The order of enabling power and enabling the device is
+	 * imposed by the PCI core as described above, so here we preserve the
+	 * same order for the freeze/thaw phases.
+	 *
+	 * TODO: eventually we should remove pci_disable_device() /
+	 * pci_enable_enable_device() from suspend/resume. Due to how they
+	 * depend on the device enable refcount we can't anyway depend on them
+	 * disabling/enabling the device.
+	 */
 	if (pci_enable_device(dev->pdev)) {
 		ret = -EIO;
 		goto out;
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index f76cbf3..fffdac8 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2907,7 +2907,14 @@
 #define GEN6_RP_STATE_CAP	_MMIO(MCHBAR_MIRROR_BASE_SNB + 0x5998)
 #define BXT_RP_STATE_CAP        _MMIO(0x138170)
 
-#define INTERVAL_1_28_US(us)	(((us) * 100) >> 7)
+/*
+ * Make these a multiple of magic 25 to avoid SNB (eg. Dell XPS
+ * 8300) freezing up around GPU hangs. Looks as if even
+ * scheduling/timer interrupts start misbehaving if the RPS
+ * EI/thresholds are "bad", leading to a very sluggish or even
+ * frozen machine.
+ */
+#define INTERVAL_1_28_US(us)	roundup(((us) * 100) >> 7, 25)
 #define INTERVAL_1_33_US(us)	(((us) * 3)   >> 2)
 #define INTERVAL_0_833_US(us)	(((us) * 6) / 5)
 #define GT_INTERVAL_FROM_US(dev_priv, us) (IS_GEN9(dev_priv) ? \
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 62de9f4..3b57bf0 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -443,9 +443,17 @@
 	} else if (IS_BROADWELL(dev_priv)) {
 		ddi_translations_fdi = bdw_ddi_translations_fdi;
 		ddi_translations_dp = bdw_ddi_translations_dp;
-		ddi_translations_edp = bdw_ddi_translations_edp;
+
+		if (dev_priv->edp_low_vswing) {
+			ddi_translations_edp = bdw_ddi_translations_edp;
+			n_edp_entries = ARRAY_SIZE(bdw_ddi_translations_edp);
+		} else {
+			ddi_translations_edp = bdw_ddi_translations_dp;
+			n_edp_entries = ARRAY_SIZE(bdw_ddi_translations_dp);
+		}
+
 		ddi_translations_hdmi = bdw_ddi_translations_hdmi;
-		n_edp_entries = ARRAY_SIZE(bdw_ddi_translations_edp);
+
 		n_dp_entries = ARRAY_SIZE(bdw_ddi_translations_dp);
 		n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi);
 		hdmi_default_entry = 7;
@@ -3201,12 +3209,6 @@
 	intel_ddi_clock_get(encoder, pipe_config);
 }
 
-static void intel_ddi_destroy(struct drm_encoder *encoder)
-{
-	/* HDMI has nothing special to destroy, so we can go with this. */
-	intel_dp_encoder_destroy(encoder);
-}
-
 static bool intel_ddi_compute_config(struct intel_encoder *encoder,
 				     struct intel_crtc_state *pipe_config)
 {
@@ -3225,7 +3227,8 @@
 }
 
 static const struct drm_encoder_funcs intel_ddi_funcs = {
-	.destroy = intel_ddi_destroy,
+	.reset = intel_dp_encoder_reset,
+	.destroy = intel_dp_encoder_destroy,
 };
 
 static struct intel_connector *
@@ -3324,6 +3327,7 @@
 	intel_encoder->post_disable = intel_ddi_post_disable;
 	intel_encoder->get_hw_state = intel_ddi_get_hw_state;
 	intel_encoder->get_config = intel_ddi_get_config;
+	intel_encoder->suspend = intel_dp_encoder_suspend;
 
 	intel_dig_port->port = port;
 	intel_dig_port->saved_port_bits = I915_READ(DDI_BUF_CTL(port)) &
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 6e0d828..182f849 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -13351,6 +13351,9 @@
 	}
 
 	for_each_crtc_in_state(state, crtc, crtc_state, i) {
+		if (state->legacy_cursor_update)
+			continue;
+
 		ret = intel_crtc_wait_for_pending_flips(crtc);
 		if (ret)
 			return ret;
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index f069a82..412a34c 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -4898,7 +4898,7 @@
 	kfree(intel_dig_port);
 }
 
-static void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder)
+void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder)
 {
 	struct intel_dp *intel_dp = enc_to_intel_dp(&intel_encoder->base);
 
@@ -4940,7 +4940,7 @@
 	edp_panel_vdd_schedule_off(intel_dp);
 }
 
-static void intel_dp_encoder_reset(struct drm_encoder *encoder)
+void intel_dp_encoder_reset(struct drm_encoder *encoder)
 {
 	struct intel_dp *intel_dp;
 
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 4c027d6..7d3af3a 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1238,6 +1238,8 @@
 void intel_dp_start_link_train(struct intel_dp *intel_dp);
 void intel_dp_stop_link_train(struct intel_dp *intel_dp);
 void intel_dp_sink_dpms(struct intel_dp *intel_dp, int mode);
+void intel_dp_encoder_reset(struct drm_encoder *encoder);
+void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder);
 void intel_dp_encoder_destroy(struct drm_encoder *encoder);
 int intel_dp_sink_crc(struct intel_dp *intel_dp, u8 *crc);
 bool intel_dp_compute_config(struct intel_encoder *encoder,
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index a0d8dae..1ab6f68 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -1415,8 +1415,16 @@
 				hdmi_to_dig_port(intel_hdmi));
 	}
 
-	if (!live_status)
-		DRM_DEBUG_KMS("Live status not up!");
+	if (!live_status) {
+		DRM_DEBUG_KMS("HDMI live status down\n");
+		/*
+		 * Live status register is not reliable on all intel platforms.
+		 * So consider live_status only for certain platforms, for
+		 * others, read EDID to determine presence of sink.
+		 */
+		if (INTEL_INFO(dev_priv)->gen < 7 || IS_IVYBRIDGE(dev_priv))
+			live_status = true;
+	}
 
 	intel_hdmi_unset_edid(connector);
 
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index edd05cd..587cae4 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -310,6 +310,10 @@
 	    && (mode->crtc_vsync_start < (mode->crtc_vdisplay + 2)))
 		adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + 2;
 
+	/* vertical FP must be at least 1 */
+	if (mode->crtc_vsync_start == mode->crtc_vdisplay)
+		adjusted_mode->crtc_vsync_start++;
+
 	/* get the native mode for scaling */
 	if (radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT)) {
 		radeon_panel_mode_fixup(encoder, adjusted_mode);
diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c
index e00db3f..abb98c7 100644
--- a/drivers/gpu/ipu-v3/ipu-common.c
+++ b/drivers/gpu/ipu-v3/ipu-common.c
@@ -1068,7 +1068,6 @@
 			goto err_register;
 		}
 
-		pdev->dev.of_node = of_node;
 		pdev->dev.parent = dev;
 
 		ret = platform_device_add_data(pdev, &reg->pdata,
@@ -1079,6 +1078,12 @@
 			platform_device_put(pdev);
 			goto err_register;
 		}
+
+		/*
+		 * Set of_node only after calling platform_device_add. Otherwise
+		 * the platform:imx-ipuv3-crtc modalias won't be used.
+		 */
+		pdev->dev.of_node = of_node;
 	}
 
 	return 0;
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index c6eaff5..0238f01 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -259,6 +259,7 @@
 #define USB_DEVICE_ID_CORSAIR_K90	0x1b02
 
 #define USB_VENDOR_ID_CREATIVELABS	0x041e
+#define USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51	0x322c
 #define USB_DEVICE_ID_PRODIKEYS_PCMIDI	0x2801
 
 #define USB_VENDOR_ID_CVTOUCH		0x1ff7
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index ed2f68e..53fc856 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -71,6 +71,7 @@
 	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_3AXIS_5BUTTON_STICK, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_AXIS_295, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_PIXART_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL },
+	{ USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_WIIU, HID_QUIRK_MULTI_INPUT },
 	{ USB_VENDOR_ID_ELAN, HID_ANY_ID, HID_QUIRK_ALWAYS_POLL },
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index 02c4efe..cf2ba43 100644
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -684,6 +684,7 @@
 
 		wacom->tool[idx] = wacom_intuos_get_tool_type(wacom->id[idx]);
 
+		wacom->shared->stylus_in_proximity = true;
 		return 1;
 	}
 
@@ -3395,6 +3396,10 @@
 	{ "Wacom Intuos PT M 2", 21600, 13500, 2047, 63,
 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
+static const struct wacom_features wacom_features_0x343 =
+	{ "Wacom DTK1651", 34616, 19559, 1023, 0,
+	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
+	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
 
 static const struct wacom_features wacom_features_HID_ANY_ID =
 	{ "Wacom HID", .type = HID_GENERIC };
@@ -3560,6 +3565,7 @@
 	{ USB_DEVICE_WACOM(0x33C) },
 	{ USB_DEVICE_WACOM(0x33D) },
 	{ USB_DEVICE_WACOM(0x33E) },
+	{ USB_DEVICE_WACOM(0x343) },
 	{ USB_DEVICE_WACOM(0x4001) },
 	{ USB_DEVICE_WACOM(0x4004) },
 	{ USB_DEVICE_WACOM(0x5000) },
diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c
index 5613e2b..a40a73a 100644
--- a/drivers/hv/ring_buffer.c
+++ b/drivers/hv/ring_buffer.c
@@ -103,15 +103,29 @@
  *    there is room for the producer to send the pending packet.
  */
 
-static bool hv_need_to_signal_on_read(u32 prev_write_sz,
-				      struct hv_ring_buffer_info *rbi)
+static bool hv_need_to_signal_on_read(struct hv_ring_buffer_info *rbi)
 {
 	u32 cur_write_sz;
 	u32 r_size;
-	u32 write_loc = rbi->ring_buffer->write_index;
+	u32 write_loc;
 	u32 read_loc = rbi->ring_buffer->read_index;
-	u32 pending_sz = rbi->ring_buffer->pending_send_sz;
+	u32 pending_sz;
 
+	/*
+	 * Issue a full memory barrier before making the signaling decision.
+	 * Here is the reason for having this barrier:
+	 * If the reading of the pend_sz (in this function)
+	 * were to be reordered and read before we commit the new read
+	 * index (in the calling function)  we could
+	 * have a problem. If the host were to set the pending_sz after we
+	 * have sampled pending_sz and go to sleep before we commit the
+	 * read index, we could miss sending the interrupt. Issue a full
+	 * memory barrier to address this.
+	 */
+	mb();
+
+	pending_sz = rbi->ring_buffer->pending_send_sz;
+	write_loc = rbi->ring_buffer->write_index;
 	/* If the other end is not blocked on write don't bother. */
 	if (pending_sz == 0)
 		return false;
@@ -120,7 +134,7 @@
 	cur_write_sz = write_loc >= read_loc ? r_size - (write_loc - read_loc) :
 			read_loc - write_loc;
 
-	if ((prev_write_sz < pending_sz) && (cur_write_sz >= pending_sz))
+	if (cur_write_sz >= pending_sz)
 		return true;
 
 	return false;
@@ -455,7 +469,7 @@
 	/* Update the read index */
 	hv_set_next_read_location(inring_info, next_read_location);
 
-	*signal = hv_need_to_signal_on_read(bytes_avail_towrite, inring_info);
+	*signal = hv_need_to_signal_on_read(inring_info);
 
 	return ret;
 }
diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c
index dbee13a..2e154cb 100644
--- a/drivers/iio/adc/at91-sama5d2_adc.c
+++ b/drivers/iio/adc/at91-sama5d2_adc.c
@@ -451,6 +451,8 @@
 	if (ret)
 		goto vref_disable;
 
+	platform_set_drvdata(pdev, indio_dev);
+
 	ret = iio_device_register(indio_dev);
 	if (ret < 0)
 		goto per_clk_disable_unprepare;
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
index f581256..5ee4e0d 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
@@ -104,6 +104,19 @@
 	return 0;
 }
 
+static const char *inv_mpu_match_acpi_device(struct device *dev, int *chip_id)
+{
+	const struct acpi_device_id *id;
+
+	id = acpi_match_device(dev->driver->acpi_match_table, dev);
+	if (!id)
+		return NULL;
+
+	*chip_id = (int)id->driver_data;
+
+	return dev_name(dev);
+}
+
 /**
  *  inv_mpu_probe() - probe function.
  *  @client:          i2c client.
@@ -115,14 +128,25 @@
 			 const struct i2c_device_id *id)
 {
 	struct inv_mpu6050_state *st;
-	int result;
-	const char *name = id ? id->name : NULL;
+	int result, chip_type;
 	struct regmap *regmap;
+	const char *name;
 
 	if (!i2c_check_functionality(client->adapter,
 				     I2C_FUNC_SMBUS_I2C_BLOCK))
 		return -EOPNOTSUPP;
 
+	if (id) {
+		chip_type = (int)id->driver_data;
+		name = id->name;
+	} else if (ACPI_HANDLE(&client->dev)) {
+		name = inv_mpu_match_acpi_device(&client->dev, &chip_type);
+		if (!name)
+			return -ENODEV;
+	} else {
+		return -ENOSYS;
+	}
+
 	regmap = devm_regmap_init_i2c(client, &inv_mpu_regmap_config);
 	if (IS_ERR(regmap)) {
 		dev_err(&client->dev, "Failed to register i2c regmap %d\n",
@@ -131,7 +155,7 @@
 	}
 
 	result = inv_mpu_core_probe(regmap, client->irq, name,
-				    NULL, id->driver_data);
+				    NULL, chip_type);
 	if (result < 0)
 		return result;
 
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
index dea6c43..7bcb8d8 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
@@ -46,6 +46,7 @@
 	struct regmap *regmap;
 	const struct spi_device_id *id = spi_get_device_id(spi);
 	const char *name = id ? id->name : NULL;
+	const int chip_type = id ? id->driver_data : 0;
 
 	regmap = devm_regmap_init_spi(spi, &inv_mpu_regmap_config);
 	if (IS_ERR(regmap)) {
@@ -55,7 +56,7 @@
 	}
 
 	return inv_mpu_core_probe(regmap, spi->irq, name,
-				  inv_mpu_i2c_disable, id->driver_data);
+				  inv_mpu_i2c_disable, chip_type);
 }
 
 static int inv_mpu_remove(struct spi_device *spi)
diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c
index 9c5c9ef..0e931a9 100644
--- a/drivers/iio/magnetometer/ak8975.c
+++ b/drivers/iio/magnetometer/ak8975.c
@@ -462,6 +462,8 @@
 	int rc;
 	int irq;
 
+	init_waitqueue_head(&data->data_ready_queue);
+	clear_bit(0, &data->flags);
 	if (client->irq)
 		irq = client->irq;
 	else
@@ -477,8 +479,6 @@
 		return rc;
 	}
 
-	init_waitqueue_head(&data->data_ready_queue);
-	clear_bit(0, &data->flags);
 	data->eoc_irq = irq;
 
 	return rc;
@@ -732,7 +732,7 @@
 	int eoc_gpio;
 	int err;
 	const char *name = NULL;
-	enum asahi_compass_chipset chipset;
+	enum asahi_compass_chipset chipset = AK_MAX_TYPE;
 
 	/* Grab and set up the supplied GPIO. */
 	if (client->dev.platform_data)
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index 80b6bedc..64b3d11 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -612,6 +612,7 @@
 	struct Scsi_Host *shost;
 	struct iser_conn *iser_conn = NULL;
 	struct ib_conn *ib_conn;
+	u32 max_fr_sectors;
 	u16 max_cmds;
 
 	shost = iscsi_host_alloc(&iscsi_iser_sht, 0, 0);
@@ -632,7 +633,6 @@
 		iser_conn = ep->dd_data;
 		max_cmds = iser_conn->max_cmds;
 		shost->sg_tablesize = iser_conn->scsi_sg_tablesize;
-		shost->max_sectors = iser_conn->scsi_max_sectors;
 
 		mutex_lock(&iser_conn->state_mutex);
 		if (iser_conn->state != ISER_CONN_UP) {
@@ -657,8 +657,6 @@
 		 */
 		shost->sg_tablesize = min_t(unsigned short, shost->sg_tablesize,
 			ib_conn->device->ib_device->attrs.max_fast_reg_page_list_len);
-		shost->max_sectors = min_t(unsigned int,
-			1024, (shost->sg_tablesize * PAGE_SIZE) >> 9);
 
 		if (iscsi_host_add(shost,
 				   ib_conn->device->ib_device->dma_device)) {
@@ -672,6 +670,15 @@
 			goto free_host;
 	}
 
+	/*
+	 * FRs or FMRs can only map up to a (device) page per entry, but if the
+	 * first entry is misaligned we'll end up using using two entries
+	 * (head and tail) for a single page worth data, so we have to drop
+	 * one segment from the calculation.
+	 */
+	max_fr_sectors = ((shost->sg_tablesize - 1) * PAGE_SIZE) >> 9;
+	shost->max_sectors = min(iser_max_sectors, max_fr_sectors);
+
 	if (cmds_max > max_cmds) {
 		iser_info("cmds_max changed from %u to %u\n",
 			  cmds_max, max_cmds);
@@ -989,7 +996,6 @@
 	.queuecommand           = iscsi_queuecommand,
 	.change_queue_depth	= scsi_change_queue_depth,
 	.sg_tablesize           = ISCSI_ISER_DEF_SG_TABLESIZE,
-	.max_sectors            = ISER_DEF_MAX_SECTORS,
 	.cmd_per_lun            = ISER_DEF_CMD_PER_LUN,
 	.eh_abort_handler       = iscsi_eh_abort,
 	.eh_device_reset_handler= iscsi_eh_device_reset,
diff --git a/drivers/input/misc/twl6040-vibra.c b/drivers/input/misc/twl6040-vibra.c
index 53e33fa..df3581f 100644
--- a/drivers/input/misc/twl6040-vibra.c
+++ b/drivers/input/misc/twl6040-vibra.c
@@ -181,6 +181,14 @@
 {
 	struct vibra_info *info = container_of(work,
 				struct vibra_info, play_work);
+	int ret;
+
+	/* Do not allow effect, while the routing is set to use audio */
+	ret = twl6040_get_vibralr_status(info->twl6040);
+	if (ret & TWL6040_VIBSEL) {
+		dev_info(info->dev, "Vibra is configured for audio\n");
+		return;
+	}
 
 	mutex_lock(&info->mutex);
 
@@ -199,14 +207,6 @@
 		      struct ff_effect *effect)
 {
 	struct vibra_info *info = input_get_drvdata(input);
-	int ret;
-
-	/* Do not allow effect, while the routing is set to use audio */
-	ret = twl6040_get_vibralr_status(info->twl6040);
-	if (ret & TWL6040_VIBSEL) {
-		dev_info(&input->dev, "Vibra is configured for audio\n");
-		return -EBUSY;
-	}
 
 	info->weak_speed = effect->u.rumble.weak_magnitude;
 	info->strong_speed = effect->u.rumble.strong_magnitude;
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 2160512..5af7907 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -1093,6 +1093,19 @@
 	return 0;
 }
 
+static int mxt_acquire_irq(struct mxt_data *data)
+{
+	int error;
+
+	enable_irq(data->irq);
+
+	error = mxt_process_messages_until_invalid(data);
+	if (error)
+		return error;
+
+	return 0;
+}
+
 static int mxt_soft_reset(struct mxt_data *data)
 {
 	struct device *dev = &data->client->dev;
@@ -1111,7 +1124,7 @@
 	/* Ignore CHG line for 100ms after reset */
 	msleep(100);
 
-	enable_irq(data->irq);
+	mxt_acquire_irq(data);
 
 	ret = mxt_wait_for_completion(data, &data->reset_completion,
 				      MXT_RESET_TIMEOUT);
@@ -1466,19 +1479,6 @@
 	return ret;
 }
 
-static int mxt_acquire_irq(struct mxt_data *data)
-{
-	int error;
-
-	enable_irq(data->irq);
-
-	error = mxt_process_messages_until_invalid(data);
-	if (error)
-		return error;
-
-	return 0;
-}
-
 static int mxt_get_info(struct mxt_data *data)
 {
 	struct i2c_client *client = data->client;
diff --git a/drivers/input/touchscreen/zforce_ts.c b/drivers/input/touchscreen/zforce_ts.c
index 9bbadaa..7b3845a 100644
--- a/drivers/input/touchscreen/zforce_ts.c
+++ b/drivers/input/touchscreen/zforce_ts.c
@@ -370,8 +370,8 @@
 			point.coord_x = point.coord_y = 0;
 		}
 
-		point.state = payload[9 * i + 5] & 0x03;
-		point.id = (payload[9 * i + 5] & 0xfc) >> 2;
+		point.state = payload[9 * i + 5] & 0x0f;
+		point.id = (payload[9 * i + 5] & 0xf0) >> 4;
 
 		/* determine touch major, minor and orientation */
 		point.area_major = max(payload[9 * i + 6],
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 194580f..14d3b379 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -284,6 +284,8 @@
 	 * go away inside make_request
 	 */
 	sectors = bio_sectors(bio);
+	/* bio could be mergeable after passing to underlayer */
+	bio->bi_rw &= ~REQ_NOMERGE;
 	mddev->pers->make_request(mddev, bio);
 
 	cpu = part_stat_lock();
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 2ea12c6..34783a3 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -70,7 +70,6 @@
 			(unsigned long long)zone_size>>1);
 		zone_start = conf->strip_zone[j].zone_end;
 	}
-	printk(KERN_INFO "\n");
 }
 
 static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf)
@@ -85,6 +84,7 @@
 	struct r0conf *conf = kzalloc(sizeof(*conf), GFP_KERNEL);
 	unsigned short blksize = 512;
 
+	*private_conf = ERR_PTR(-ENOMEM);
 	if (!conf)
 		return -ENOMEM;
 	rdev_for_each(rdev1, mddev) {
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 8ab8b65..e48c262 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3502,8 +3502,6 @@
 				dev = &sh->dev[i];
 			} else if (test_bit(R5_Discard, &dev->flags))
 				discard_pending = 1;
-			WARN_ON(test_bit(R5_SkipCopy, &dev->flags));
-			WARN_ON(dev->page != dev->orig_page);
 		}
 
 	r5l_stripe_write_finished(sh);
diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c
index 6e43c95..3cfd7af 100644
--- a/drivers/media/media-device.c
+++ b/drivers/media/media-device.c
@@ -846,11 +846,11 @@
 }
 EXPORT_SYMBOL_GPL(media_device_find_devres);
 
+#if IS_ENABLED(CONFIG_PCI)
 void media_device_pci_init(struct media_device *mdev,
 			   struct pci_dev *pci_dev,
 			   const char *name)
 {
-#ifdef CONFIG_PCI
 	mdev->dev = &pci_dev->dev;
 
 	if (name)
@@ -866,16 +866,16 @@
 	mdev->driver_version = LINUX_VERSION_CODE;
 
 	media_device_init(mdev);
-#endif
 }
 EXPORT_SYMBOL_GPL(media_device_pci_init);
+#endif
 
+#if IS_ENABLED(CONFIG_USB)
 void __media_device_usb_init(struct media_device *mdev,
 			     struct usb_device *udev,
 			     const char *board_name,
 			     const char *driver_name)
 {
-#ifdef CONFIG_USB
 	mdev->dev = &udev->dev;
 
 	if (driver_name)
@@ -895,9 +895,9 @@
 	mdev->driver_version = LINUX_VERSION_CODE;
 
 	media_device_init(mdev);
-#endif
 }
 EXPORT_SYMBOL_GPL(__media_device_usb_init);
+#endif
 
 
 #endif /* CONFIG_MEDIA_CONTROLLER */
diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c
index feb521f..4f494ac 100644
--- a/drivers/media/platform/exynos4-is/media-dev.c
+++ b/drivers/media/platform/exynos4-is/media-dev.c
@@ -1446,22 +1446,13 @@
 
 	platform_set_drvdata(pdev, fmd);
 
-	/* Protect the media graph while we're registering entities */
-	mutex_lock(&fmd->media_dev.graph_mutex);
-
 	ret = fimc_md_register_platform_entities(fmd, dev->of_node);
-	if (ret) {
-		mutex_unlock(&fmd->media_dev.graph_mutex);
+	if (ret)
 		goto err_clk;
-	}
 
 	ret = fimc_md_register_sensor_entities(fmd);
-	if (ret) {
-		mutex_unlock(&fmd->media_dev.graph_mutex);
+	if (ret)
 		goto err_m_ent;
-	}
-
-	mutex_unlock(&fmd->media_dev.graph_mutex);
 
 	ret = device_create_file(&pdev->dev, &dev_attr_subdev_conf_mode);
 	if (ret)
diff --git a/drivers/media/platform/s3c-camif/camif-core.c b/drivers/media/platform/s3c-camif/camif-core.c
index 0b44b9a..af237af 100644
--- a/drivers/media/platform/s3c-camif/camif-core.c
+++ b/drivers/media/platform/s3c-camif/camif-core.c
@@ -493,21 +493,17 @@
 	if (ret < 0)
 		goto err_sens;
 
-	mutex_lock(&camif->media_dev.graph_mutex);
-
 	ret = v4l2_device_register_subdev_nodes(&camif->v4l2_dev);
 	if (ret < 0)
-		goto err_unlock;
+		goto err_sens;
 
 	ret = camif_register_video_nodes(camif);
 	if (ret < 0)
-		goto err_unlock;
+		goto err_sens;
 
 	ret = camif_create_media_links(camif);
 	if (ret < 0)
-		goto err_unlock;
-
-	mutex_unlock(&camif->media_dev.graph_mutex);
+		goto err_sens;
 
 	ret = media_device_register(&camif->media_dev);
 	if (ret < 0)
@@ -516,8 +512,6 @@
 	pm_runtime_put(dev);
 	return 0;
 
-err_unlock:
-	mutex_unlock(&camif->media_dev.graph_mutex);
 err_sens:
 	v4l2_device_unregister(&camif->v4l2_dev);
 	media_device_unregister(&camif->media_dev);
diff --git a/drivers/misc/mic/vop/vop_vringh.c b/drivers/misc/mic/vop/vop_vringh.c
index e94c7fb..88e4523 100644
--- a/drivers/misc/mic/vop/vop_vringh.c
+++ b/drivers/misc/mic/vop/vop_vringh.c
@@ -945,6 +945,11 @@
 			ret = -EFAULT;
 			goto free_ret;
 		}
+		/* Ensure desc has not changed between the two reads */
+		if (memcmp(&dd, dd_config, sizeof(dd))) {
+			ret = -EINVAL;
+			goto free_ret;
+		}
 		mutex_lock(&vdev->vdev_mutex);
 		mutex_lock(&vi->vop_mutex);
 		ret = vop_virtio_add_device(vdev, dd_config);
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index a290402..5e572b3 100644
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -2181,7 +2181,7 @@
 			       struct net_device *bridge)
 {
 	struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
-	int i, err;
+	int i, err = 0;
 
 	mutex_lock(&ps->smi_mutex);
 
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 12a009d..72eb29e 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -581,12 +581,30 @@
 	struct page *page;
 	dma_addr_t mapping;
 	u16 sw_prod = rxr->rx_sw_agg_prod;
+	unsigned int offset = 0;
 
-	page = alloc_page(gfp);
-	if (!page)
-		return -ENOMEM;
+	if (PAGE_SIZE > BNXT_RX_PAGE_SIZE) {
+		page = rxr->rx_page;
+		if (!page) {
+			page = alloc_page(gfp);
+			if (!page)
+				return -ENOMEM;
+			rxr->rx_page = page;
+			rxr->rx_page_offset = 0;
+		}
+		offset = rxr->rx_page_offset;
+		rxr->rx_page_offset += BNXT_RX_PAGE_SIZE;
+		if (rxr->rx_page_offset == PAGE_SIZE)
+			rxr->rx_page = NULL;
+		else
+			get_page(page);
+	} else {
+		page = alloc_page(gfp);
+		if (!page)
+			return -ENOMEM;
+	}
 
-	mapping = dma_map_page(&pdev->dev, page, 0, PAGE_SIZE,
+	mapping = dma_map_page(&pdev->dev, page, offset, BNXT_RX_PAGE_SIZE,
 			       PCI_DMA_FROMDEVICE);
 	if (dma_mapping_error(&pdev->dev, mapping)) {
 		__free_page(page);
@@ -601,6 +619,7 @@
 	rxr->rx_sw_agg_prod = NEXT_RX_AGG(sw_prod);
 
 	rx_agg_buf->page = page;
+	rx_agg_buf->offset = offset;
 	rx_agg_buf->mapping = mapping;
 	rxbd->rx_bd_haddr = cpu_to_le64(mapping);
 	rxbd->rx_bd_opaque = sw_prod;
@@ -642,6 +661,7 @@
 		page = cons_rx_buf->page;
 		cons_rx_buf->page = NULL;
 		prod_rx_buf->page = page;
+		prod_rx_buf->offset = cons_rx_buf->offset;
 
 		prod_rx_buf->mapping = cons_rx_buf->mapping;
 
@@ -709,7 +729,8 @@
 			    RX_AGG_CMP_LEN) >> RX_AGG_CMP_LEN_SHIFT;
 
 		cons_rx_buf = &rxr->rx_agg_ring[cons];
-		skb_fill_page_desc(skb, i, cons_rx_buf->page, 0, frag_len);
+		skb_fill_page_desc(skb, i, cons_rx_buf->page,
+				   cons_rx_buf->offset, frag_len);
 		__clear_bit(cons, rxr->rx_agg_bmap);
 
 		/* It is possible for bnxt_alloc_rx_page() to allocate
@@ -740,7 +761,7 @@
 			return NULL;
 		}
 
-		dma_unmap_page(&pdev->dev, mapping, PAGE_SIZE,
+		dma_unmap_page(&pdev->dev, mapping, BNXT_RX_PAGE_SIZE,
 			       PCI_DMA_FROMDEVICE);
 
 		skb->data_len += frag_len;
@@ -1584,13 +1605,17 @@
 
 			dma_unmap_page(&pdev->dev,
 				       dma_unmap_addr(rx_agg_buf, mapping),
-				       PAGE_SIZE, PCI_DMA_FROMDEVICE);
+				       BNXT_RX_PAGE_SIZE, PCI_DMA_FROMDEVICE);
 
 			rx_agg_buf->page = NULL;
 			__clear_bit(j, rxr->rx_agg_bmap);
 
 			__free_page(page);
 		}
+		if (rxr->rx_page) {
+			__free_page(rxr->rx_page);
+			rxr->rx_page = NULL;
+		}
 	}
 }
 
@@ -1973,7 +1998,7 @@
 	if (!(bp->flags & BNXT_FLAG_AGG_RINGS))
 		return 0;
 
-	type = ((u32)PAGE_SIZE << RX_BD_LEN_SHIFT) |
+	type = ((u32)BNXT_RX_PAGE_SIZE << RX_BD_LEN_SHIFT) |
 		RX_BD_TYPE_RX_AGG_BD | RX_BD_FLAGS_SOP;
 
 	bnxt_init_rxbd_pages(ring, type);
@@ -2164,7 +2189,7 @@
 	bp->rx_agg_nr_pages = 0;
 
 	if (bp->flags & BNXT_FLAG_TPA)
-		agg_factor = 4;
+		agg_factor = min_t(u32, 4, 65536 / BNXT_RX_PAGE_SIZE);
 
 	bp->flags &= ~BNXT_FLAG_JUMBO;
 	if (rx_space > PAGE_SIZE) {
@@ -3020,12 +3045,12 @@
 		/* Number of segs are log2 units, and first packet is not
 		 * included as part of this units.
 		 */
-		if (mss <= PAGE_SIZE) {
-			n = PAGE_SIZE / mss;
+		if (mss <= BNXT_RX_PAGE_SIZE) {
+			n = BNXT_RX_PAGE_SIZE / mss;
 			nsegs = (MAX_SKB_FRAGS - 1) * n;
 		} else {
-			n = mss / PAGE_SIZE;
-			if (mss & (PAGE_SIZE - 1))
+			n = mss / BNXT_RX_PAGE_SIZE;
+			if (mss & (BNXT_RX_PAGE_SIZE - 1))
 				n++;
 			nsegs = (MAX_SKB_FRAGS - n) / n;
 		}
@@ -4309,7 +4334,7 @@
 	if (bp->flags & BNXT_FLAG_MSIX_CAP)
 		rc = bnxt_setup_msix(bp);
 
-	if (!(bp->flags & BNXT_FLAG_USING_MSIX)) {
+	if (!(bp->flags & BNXT_FLAG_USING_MSIX) && BNXT_PF(bp)) {
 		/* fallback to INTA */
 		rc = bnxt_setup_inta(bp);
 	}
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index 709b95b..8b823ff 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -407,6 +407,15 @@
 
 #define BNXT_PAGE_SIZE	(1 << BNXT_PAGE_SHIFT)
 
+/* The RXBD length is 16-bit so we can only support page sizes < 64K */
+#if (PAGE_SHIFT > 15)
+#define BNXT_RX_PAGE_SHIFT 15
+#else
+#define BNXT_RX_PAGE_SHIFT PAGE_SHIFT
+#endif
+
+#define BNXT_RX_PAGE_SIZE (1 << BNXT_RX_PAGE_SHIFT)
+
 #define BNXT_MIN_PKT_SIZE	45
 
 #define BNXT_NUM_TESTS(bp)	0
@@ -506,6 +515,7 @@
 
 struct bnxt_sw_rx_agg_bd {
 	struct page		*page;
+	unsigned int		offset;
 	dma_addr_t		mapping;
 };
 
@@ -586,6 +596,9 @@
 	unsigned long		*rx_agg_bmap;
 	u16			rx_agg_bmap_size;
 
+	struct page		*rx_page;
+	unsigned int		rx_page_offset;
+
 	dma_addr_t		rx_desc_mapping[MAX_RX_PAGES];
 	dma_addr_t		rx_agg_desc_mapping[MAX_RX_AGG_PAGES];
 
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index 48a7d7d..a63551d 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -441,7 +441,7 @@
 	snprintf(bp->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x",
 		bp->pdev->name, bp->pdev->id);
 	bp->mii_bus->priv = bp;
-	bp->mii_bus->parent = &bp->dev->dev;
+	bp->mii_bus->parent = &bp->pdev->dev;
 	pdata = dev_get_platdata(&bp->pdev->dev);
 
 	dev_set_drvdata(&bp->dev->dev, bp->mii_bus);
@@ -458,7 +458,8 @@
 				struct phy_device *phydev;
 
 				phydev = mdiobus_scan(bp->mii_bus, i);
-				if (IS_ERR(phydev)) {
+				if (IS_ERR(phydev) &&
+				    PTR_ERR(phydev) != -ENODEV) {
 					err = PTR_ERR(phydev);
 					break;
 				}
@@ -3019,29 +3020,36 @@
 	if (err)
 		goto err_out_free_netdev;
 
+	err = macb_mii_init(bp);
+	if (err)
+		goto err_out_free_netdev;
+
+	phydev = bp->phy_dev;
+
+	netif_carrier_off(dev);
+
 	err = register_netdev(dev);
 	if (err) {
 		dev_err(&pdev->dev, "Cannot register net device, aborting.\n");
-		goto err_out_unregister_netdev;
+		goto err_out_unregister_mdio;
 	}
 
-	err = macb_mii_init(bp);
-	if (err)
-		goto err_out_unregister_netdev;
-
-	netif_carrier_off(dev);
+	phy_attached_info(phydev);
 
 	netdev_info(dev, "Cadence %s rev 0x%08x at 0x%08lx irq %d (%pM)\n",
 		    macb_is_gem(bp) ? "GEM" : "MACB", macb_readl(bp, MID),
 		    dev->base_addr, dev->irq, dev->dev_addr);
 
-	phydev = bp->phy_dev;
-	phy_attached_info(phydev);
-
 	return 0;
 
-err_out_unregister_netdev:
-	unregister_netdev(dev);
+err_out_unregister_mdio:
+	phy_disconnect(bp->phy_dev);
+	mdiobus_unregister(bp->mii_bus);
+	mdiobus_free(bp->mii_bus);
+
+	/* Shutdown the PHY if there is a GPIO reset */
+	if (bp->reset_gpio)
+		gpiod_set_value(bp->reset_gpio, 0);
 
 err_out_free_netdev:
 	free_netdev(dev);
diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
index 60908ea..43da891 100644
--- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
@@ -576,7 +576,7 @@
 	unsigned int nq0 = adap2pinfo(adap, 0)->nqsets;
 	unsigned int nq1 = adap->port[1] ? adap2pinfo(adap, 1)->nqsets : 1;
 	u8 cpus[SGE_QSETS + 1];
-	u16 rspq_map[RSS_TABLE_SIZE];
+	u16 rspq_map[RSS_TABLE_SIZE + 1];
 
 	for (i = 0; i < SGE_QSETS; ++i)
 		cpus[i] = i;
@@ -586,6 +586,7 @@
 		rspq_map[i] = i % nq0;
 		rspq_map[i + RSS_TABLE_SIZE / 2] = (i % nq1) + nq0;
 	}
+	rspq_map[RSS_TABLE_SIZE] = 0xffff; /* terminator */
 
 	t3_config_rss(adap, F_RQFEEDBACKENABLE | F_TNLLKPEN | F_TNLMAPEN |
 		      F_TNLPRTEN | F_TNL2TUPEN | F_TNL4TUPEN |
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 7fc4902..a6d26d3 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -3354,8 +3354,7 @@
 		/* Enable per-CPU interrupts on the CPU that is
 		 * brought up.
 		 */
-		smp_call_function_single(cpu, mvneta_percpu_enable,
-					 pp, true);
+		mvneta_percpu_enable(pp);
 
 		/* Enable per-CPU interrupt on the one CPU we care
 		 * about.
@@ -3387,8 +3386,7 @@
 		/* Disable per-CPU interrupts on the CPU that is
 		 * brought down.
 		 */
-		smp_call_function_single(cpu, mvneta_percpu_disable,
-					 pp, true);
+		mvneta_percpu_disable(pp);
 
 		break;
 	case CPU_DEAD:
diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c
index 7ace07d..c442f6a 100644
--- a/drivers/net/ethernet/marvell/pxa168_eth.c
+++ b/drivers/net/ethernet/marvell/pxa168_eth.c
@@ -979,6 +979,8 @@
 		return 0;
 
 	pep->phy = mdiobus_scan(pep->smi_bus, pep->phy_addr);
+	if (IS_ERR(pep->phy))
+		return PTR_ERR(pep->phy);
 	if (!pep->phy)
 		return -ENODEV;
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
index 1cf722e..559d11a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
@@ -14,6 +14,7 @@
 	bool "Mellanox Technologies ConnectX-4 Ethernet support"
 	depends on NETDEVICES && ETHERNET && PCI && MLX5_CORE
 	select PTP_1588_CLOCK
+	select VXLAN if MLX5_CORE=y
 	default n
 	---help---
 	  Ethernet support in Mellanox Technologies ConnectX-4 NIC.
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index e80ce94..3881dce 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -567,6 +567,7 @@
 	struct mlx5e_vxlan_db      vxlan;
 
 	struct mlx5e_params        params;
+	struct workqueue_struct    *wq;
 	struct work_struct         update_carrier_work;
 	struct work_struct         set_rx_mode_work;
 	struct delayed_work        update_stats_work;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 67d548b..d4dfc5c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -262,9 +262,8 @@
 	mutex_lock(&priv->state_lock);
 	if (test_bit(MLX5E_STATE_OPENED, &priv->state)) {
 		mlx5e_update_stats(priv);
-		schedule_delayed_work(dwork,
-				      msecs_to_jiffies(
-					      MLX5E_UPDATE_STATS_INTERVAL));
+		queue_delayed_work(priv->wq, dwork,
+				   msecs_to_jiffies(MLX5E_UPDATE_STATS_INTERVAL));
 	}
 	mutex_unlock(&priv->state_lock);
 }
@@ -280,7 +279,7 @@
 	switch (event) {
 	case MLX5_DEV_EVENT_PORT_UP:
 	case MLX5_DEV_EVENT_PORT_DOWN:
-		schedule_work(&priv->update_carrier_work);
+		queue_work(priv->wq, &priv->update_carrier_work);
 		break;
 
 	default:
@@ -1505,7 +1504,7 @@
 	mlx5e_update_carrier(priv);
 	mlx5e_timestamp_init(priv);
 
-	schedule_delayed_work(&priv->update_stats_work, 0);
+	queue_delayed_work(priv->wq, &priv->update_stats_work, 0);
 
 	return 0;
 
@@ -1961,7 +1960,7 @@
 {
 	struct mlx5e_priv *priv = netdev_priv(dev);
 
-	schedule_work(&priv->set_rx_mode_work);
+	queue_work(priv->wq, &priv->set_rx_mode_work);
 }
 
 static int mlx5e_set_mac(struct net_device *netdev, void *addr)
@@ -1976,7 +1975,7 @@
 	ether_addr_copy(netdev->dev_addr, saddr->sa_data);
 	netif_addr_unlock_bh(netdev);
 
-	schedule_work(&priv->set_rx_mode_work);
+	queue_work(priv->wq, &priv->set_rx_mode_work);
 
 	return 0;
 }
@@ -2158,7 +2157,7 @@
 	if (!mlx5e_vxlan_allowed(priv->mdev))
 		return;
 
-	mlx5e_vxlan_add_port(priv, be16_to_cpu(port));
+	mlx5e_vxlan_queue_work(priv, sa_family, be16_to_cpu(port), 1);
 }
 
 static void mlx5e_del_vxlan_port(struct net_device *netdev,
@@ -2169,7 +2168,7 @@
 	if (!mlx5e_vxlan_allowed(priv->mdev))
 		return;
 
-	mlx5e_vxlan_del_port(priv, be16_to_cpu(port));
+	mlx5e_vxlan_queue_work(priv, sa_family, be16_to_cpu(port), 0);
 }
 
 static netdev_features_t mlx5e_vxlan_features_check(struct mlx5e_priv *priv,
@@ -2498,10 +2497,14 @@
 
 	priv = netdev_priv(netdev);
 
+	priv->wq = create_singlethread_workqueue("mlx5e");
+	if (!priv->wq)
+		goto err_free_netdev;
+
 	err = mlx5_alloc_map_uar(mdev, &priv->cq_uar, false);
 	if (err) {
 		mlx5_core_err(mdev, "alloc_map uar failed, %d\n", err);
-		goto err_free_netdev;
+		goto err_destroy_wq;
 	}
 
 	err = mlx5_core_alloc_pd(mdev, &priv->pdn);
@@ -2580,7 +2583,7 @@
 		vxlan_get_rx_port(netdev);
 
 	mlx5e_enable_async_events(priv);
-	schedule_work(&priv->set_rx_mode_work);
+	queue_work(priv->wq, &priv->set_rx_mode_work);
 
 	return priv;
 
@@ -2617,6 +2620,9 @@
 err_unmap_free_uar:
 	mlx5_unmap_free_uar(mdev, &priv->cq_uar);
 
+err_destroy_wq:
+	destroy_workqueue(priv->wq);
+
 err_free_netdev:
 	free_netdev(netdev);
 
@@ -2630,9 +2636,9 @@
 
 	set_bit(MLX5E_STATE_DESTROYING, &priv->state);
 
-	schedule_work(&priv->set_rx_mode_work);
+	queue_work(priv->wq, &priv->set_rx_mode_work);
 	mlx5e_disable_async_events(priv);
-	flush_scheduled_work();
+	flush_workqueue(priv->wq);
 	if (test_bit(MLX5_INTERFACE_STATE_SHUTDOWN, &mdev->intf_state)) {
 		netif_device_detach(netdev);
 		mutex_lock(&priv->state_lock);
@@ -2655,6 +2661,8 @@
 	mlx5_core_dealloc_transport_domain(priv->mdev, priv->tdn);
 	mlx5_core_dealloc_pd(priv->mdev, priv->pdn);
 	mlx5_unmap_free_uar(priv->mdev, &priv->cq_uar);
+	cancel_delayed_work_sync(&priv->update_stats_work);
+	destroy_workqueue(priv->wq);
 
 	if (!test_bit(MLX5_INTERFACE_STATE_SHUTDOWN, &mdev->intf_state))
 		free_netdev(netdev);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/uar.c b/drivers/net/ethernet/mellanox/mlx5/core/uar.c
index 8ba080e..5ff8af4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/uar.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/uar.c
@@ -269,8 +269,10 @@
 
 void mlx5_unmap_free_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar)
 {
-	iounmap(uar->map);
-	iounmap(uar->bf_map);
+	if (uar->map)
+		iounmap(uar->map);
+	else
+		iounmap(uar->bf_map);
 	mlx5_cmd_free_uar(mdev, uar->index);
 }
 EXPORT_SYMBOL(mlx5_unmap_free_uar);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/vxlan.c b/drivers/net/ethernet/mellanox/mlx5/core/vxlan.c
index 9f10df2..f2fd1ef 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/vxlan.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/vxlan.c
@@ -95,21 +95,22 @@
 	return vxlan;
 }
 
-int mlx5e_vxlan_add_port(struct mlx5e_priv *priv, u16 port)
+static void mlx5e_vxlan_add_port(struct work_struct *work)
 {
+	struct mlx5e_vxlan_work *vxlan_work =
+		container_of(work, struct mlx5e_vxlan_work, work);
+	struct mlx5e_priv *priv = vxlan_work->priv;
 	struct mlx5e_vxlan_db *vxlan_db = &priv->vxlan;
+	u16 port = vxlan_work->port;
 	struct mlx5e_vxlan *vxlan;
 	int err;
 
-	err = mlx5e_vxlan_core_add_port_cmd(priv->mdev, port);
-	if (err)
-		return err;
+	if (mlx5e_vxlan_core_add_port_cmd(priv->mdev, port))
+		goto free_work;
 
 	vxlan = kzalloc(sizeof(*vxlan), GFP_KERNEL);
-	if (!vxlan) {
-		err = -ENOMEM;
+	if (!vxlan)
 		goto err_delete_port;
-	}
 
 	vxlan->udp_port = port;
 
@@ -119,13 +120,14 @@
 	if (err)
 		goto err_free;
 
-	return 0;
+	goto free_work;
 
 err_free:
 	kfree(vxlan);
 err_delete_port:
 	mlx5e_vxlan_core_del_port_cmd(priv->mdev, port);
-	return err;
+free_work:
+	kfree(vxlan_work);
 }
 
 static void __mlx5e_vxlan_core_del_port(struct mlx5e_priv *priv, u16 port)
@@ -145,12 +147,36 @@
 	kfree(vxlan);
 }
 
-void mlx5e_vxlan_del_port(struct mlx5e_priv *priv, u16 port)
+static void mlx5e_vxlan_del_port(struct work_struct *work)
 {
-	if (!mlx5e_vxlan_lookup_port(priv, port))
-		return;
+	struct mlx5e_vxlan_work *vxlan_work =
+		container_of(work, struct mlx5e_vxlan_work, work);
+	struct mlx5e_priv *priv = vxlan_work->priv;
+	u16 port = vxlan_work->port;
 
 	__mlx5e_vxlan_core_del_port(priv, port);
+
+	kfree(vxlan_work);
+}
+
+void mlx5e_vxlan_queue_work(struct mlx5e_priv *priv, sa_family_t sa_family,
+			    u16 port, int add)
+{
+	struct mlx5e_vxlan_work *vxlan_work;
+
+	vxlan_work = kmalloc(sizeof(*vxlan_work), GFP_ATOMIC);
+	if (!vxlan_work)
+		return;
+
+	if (add)
+		INIT_WORK(&vxlan_work->work, mlx5e_vxlan_add_port);
+	else
+		INIT_WORK(&vxlan_work->work, mlx5e_vxlan_del_port);
+
+	vxlan_work->priv = priv;
+	vxlan_work->port = port;
+	vxlan_work->sa_family = sa_family;
+	queue_work(priv->wq, &vxlan_work->work);
 }
 
 void mlx5e_vxlan_cleanup(struct mlx5e_priv *priv)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/vxlan.h b/drivers/net/ethernet/mellanox/mlx5/core/vxlan.h
index a016850..129f352 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/vxlan.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/vxlan.h
@@ -39,6 +39,13 @@
 	u16 udp_port;
 };
 
+struct mlx5e_vxlan_work {
+	struct work_struct	work;
+	struct mlx5e_priv	*priv;
+	sa_family_t		sa_family;
+	u16			port;
+};
+
 static inline bool mlx5e_vxlan_allowed(struct mlx5_core_dev *mdev)
 {
 	return (MLX5_CAP_ETH(mdev, tunnel_stateless_vxlan) &&
@@ -46,8 +53,8 @@
 }
 
 void mlx5e_vxlan_init(struct mlx5e_priv *priv);
-int  mlx5e_vxlan_add_port(struct mlx5e_priv *priv, u16 port);
-void mlx5e_vxlan_del_port(struct mlx5e_priv *priv, u16 port);
+void mlx5e_vxlan_queue_work(struct mlx5e_priv *priv, sa_family_t sa_family,
+			    u16 port, int add);
 struct mlx5e_vxlan *mlx5e_vxlan_lookup_port(struct mlx5e_priv *priv, u16 port);
 void mlx5e_vxlan_cleanup(struct mlx5e_priv *priv);
 
diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
index 270c9ee..6d1a956 100644
--- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
+++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
@@ -2668,9 +2668,9 @@
 
 	del_timer_sync(&mgp->watchdog_timer);
 	mgp->running = MYRI10GE_ETH_STOPPING;
-	local_bh_disable(); /* myri10ge_ss_lock_napi needs bh disabled */
 	for (i = 0; i < mgp->num_slices; i++) {
 		napi_disable(&mgp->ss[i].napi);
+		local_bh_disable(); /* myri10ge_ss_lock_napi needs this */
 		/* Lock the slice to prevent the busy_poll handler from
 		 * accessing it.  Later when we bring the NIC up, myri10ge_open
 		 * resets the slice including this lock.
@@ -2679,8 +2679,8 @@
 			pr_info("Slice %d locked\n", i);
 			mdelay(1);
 		}
+		local_bh_enable();
 	}
-	local_bh_enable();
 	netif_carrier_off(dev);
 
 	netif_tx_stop_all_queues(dev);
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index 98d33d4..1681084 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -1920,6 +1920,10 @@
 		return 0;
 	}
 
+	if (nic_data->datapath_caps &
+	    1 << MC_CMD_GET_CAPABILITIES_OUT_RX_RSS_LIMITED_LBN)
+		return -EOPNOTSUPP;
+
 	MCDI_SET_DWORD(inbuf, RSS_CONTEXT_ALLOC_IN_UPSTREAM_PORT_ID,
 		       nic_data->vport_id);
 	MCDI_SET_DWORD(inbuf, RSS_CONTEXT_ALLOC_IN_TYPE, alloc_type);
@@ -2923,9 +2927,16 @@
 				      bool replacing)
 {
 	struct efx_ef10_nic_data *nic_data = efx->nic_data;
+	u32 flags = spec->flags;
 
 	memset(inbuf, 0, MC_CMD_FILTER_OP_IN_LEN);
 
+	/* Remove RSS flag if we don't have an RSS context. */
+	if (flags & EFX_FILTER_FLAG_RX_RSS &&
+	    spec->rss_context == EFX_FILTER_RSS_CONTEXT_DEFAULT &&
+	    nic_data->rx_rss_context == EFX_EF10_RSS_CONTEXT_INVALID)
+		flags &= ~EFX_FILTER_FLAG_RX_RSS;
+
 	if (replacing) {
 		MCDI_SET_DWORD(inbuf, FILTER_OP_IN_OP,
 			       MC_CMD_FILTER_OP_IN_OP_REPLACE);
@@ -2985,10 +2996,10 @@
 		       spec->dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP ?
 		       0 : spec->dmaq_id);
 	MCDI_SET_DWORD(inbuf, FILTER_OP_IN_RX_MODE,
-		       (spec->flags & EFX_FILTER_FLAG_RX_RSS) ?
+		       (flags & EFX_FILTER_FLAG_RX_RSS) ?
 		       MC_CMD_FILTER_OP_IN_RX_MODE_RSS :
 		       MC_CMD_FILTER_OP_IN_RX_MODE_SIMPLE);
-	if (spec->flags & EFX_FILTER_FLAG_RX_RSS)
+	if (flags & EFX_FILTER_FLAG_RX_RSS)
 		MCDI_SET_DWORD(inbuf, FILTER_OP_IN_RX_CONTEXT,
 			       spec->rss_context !=
 			       EFX_FILTER_RSS_CONTEXT_DEFAULT ?
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index bbb77cd8..e2fcdf1 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -367,7 +367,6 @@
 	spinlock_t			lock;
 	struct platform_device		*pdev;
 	struct net_device		*ndev;
-	struct device_node		*phy_node;
 	struct napi_struct		napi_rx;
 	struct napi_struct		napi_tx;
 	struct device			*dev;
@@ -1148,25 +1147,34 @@
 		cpsw_ale_add_mcast(priv->ale, priv->ndev->broadcast,
 				   1 << slave_port, 0, 0, ALE_MCAST_FWD_2);
 
-	if (priv->phy_node)
-		slave->phy = of_phy_connect(priv->ndev, priv->phy_node,
+	if (slave->data->phy_node) {
+		slave->phy = of_phy_connect(priv->ndev, slave->data->phy_node,
 				 &cpsw_adjust_link, 0, slave->data->phy_if);
-	else
+		if (!slave->phy) {
+			dev_err(priv->dev, "phy \"%s\" not found on slave %d\n",
+				slave->data->phy_node->full_name,
+				slave->slave_num);
+			return;
+		}
+	} else {
 		slave->phy = phy_connect(priv->ndev, slave->data->phy_id,
 				 &cpsw_adjust_link, slave->data->phy_if);
-	if (IS_ERR(slave->phy)) {
-		dev_err(priv->dev, "phy %s not found on slave %d\n",
-			slave->data->phy_id, slave->slave_num);
-		slave->phy = NULL;
-	} else {
-		phy_attached_info(slave->phy);
-
-		phy_start(slave->phy);
-
-		/* Configure GMII_SEL register */
-		cpsw_phy_sel(&priv->pdev->dev, slave->phy->interface,
-			     slave->slave_num);
+		if (IS_ERR(slave->phy)) {
+			dev_err(priv->dev,
+				"phy \"%s\" not found on slave %d, err %ld\n",
+				slave->data->phy_id, slave->slave_num,
+				PTR_ERR(slave->phy));
+			slave->phy = NULL;
+			return;
+		}
 	}
+
+	phy_attached_info(slave->phy);
+
+	phy_start(slave->phy);
+
+	/* Configure GMII_SEL register */
+	cpsw_phy_sel(&priv->pdev->dev, slave->phy->interface, slave->slave_num);
 }
 
 static inline void cpsw_add_default_vlan(struct cpsw_priv *priv)
@@ -1940,12 +1948,11 @@
 	slave->port_vlan = data->dual_emac_res_vlan;
 }
 
-static int cpsw_probe_dt(struct cpsw_priv *priv,
+static int cpsw_probe_dt(struct cpsw_platform_data *data,
 			 struct platform_device *pdev)
 {
 	struct device_node *node = pdev->dev.of_node;
 	struct device_node *slave_node;
-	struct cpsw_platform_data *data = &priv->data;
 	int i = 0, ret;
 	u32 prop;
 
@@ -2033,25 +2040,21 @@
 		if (strcmp(slave_node->name, "slave"))
 			continue;
 
-		priv->phy_node = of_parse_phandle(slave_node, "phy-handle", 0);
+		slave_data->phy_node = of_parse_phandle(slave_node,
+							"phy-handle", 0);
 		parp = of_get_property(slave_node, "phy_id", &lenp);
-		if (of_phy_is_fixed_link(slave_node)) {
-			struct device_node *phy_node;
-			struct phy_device *phy_dev;
-
+		if (slave_data->phy_node) {
+			dev_dbg(&pdev->dev,
+				"slave[%d] using phy-handle=\"%s\"\n",
+				i, slave_data->phy_node->full_name);
+		} else if (of_phy_is_fixed_link(slave_node)) {
 			/* In the case of a fixed PHY, the DT node associated
 			 * to the PHY is the Ethernet MAC DT node.
 			 */
 			ret = of_phy_register_fixed_link(slave_node);
 			if (ret)
 				return ret;
-			phy_node = of_node_get(slave_node);
-			phy_dev = of_phy_find_device(phy_node);
-			if (!phy_dev)
-				return -ENODEV;
-			snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
-				 PHY_ID_FMT, phy_dev->mdio.bus->id,
-				 phy_dev->mdio.addr);
+			slave_data->phy_node = of_node_get(slave_node);
 		} else if (parp) {
 			u32 phyid;
 			struct device_node *mdio_node;
@@ -2072,7 +2075,9 @@
 			snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
 				 PHY_ID_FMT, mdio->name, phyid);
 		} else {
-			dev_err(&pdev->dev, "No slave[%d] phy_id or fixed-link property\n", i);
+			dev_err(&pdev->dev,
+				"No slave[%d] phy_id, phy-handle, or fixed-link property\n",
+				i);
 			goto no_phy_slave;
 		}
 		slave_data->phy_if = of_get_phy_mode(slave_node);
@@ -2275,7 +2280,7 @@
 	/* Select default pin state */
 	pinctrl_pm_select_default_state(&pdev->dev);
 
-	if (cpsw_probe_dt(priv, pdev)) {
+	if (cpsw_probe_dt(&priv->data, pdev)) {
 		dev_err(&pdev->dev, "cpsw: platform data missing\n");
 		ret = -ENODEV;
 		goto clean_runtime_disable_ret;
diff --git a/drivers/net/ethernet/ti/cpsw.h b/drivers/net/ethernet/ti/cpsw.h
index 442a703..e50afd1 100644
--- a/drivers/net/ethernet/ti/cpsw.h
+++ b/drivers/net/ethernet/ti/cpsw.h
@@ -18,6 +18,7 @@
 #include <linux/phy.h>
 
 struct cpsw_slave_data {
+	struct device_node *phy_node;
 	char		phy_id[MII_BUS_ID_SIZE];
 	int		phy_if;
 	u8		mac_addr[ETH_ALEN];
diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c
index 58d58f0..f56d66e 100644
--- a/drivers/net/ethernet/ti/davinci_emac.c
+++ b/drivers/net/ethernet/ti/davinci_emac.c
@@ -1512,7 +1512,10 @@
 
 	/* TODO: Add phy read and write and private statistics get feature */
 
-	return phy_mii_ioctl(priv->phydev, ifrq, cmd);
+	if (priv->phydev)
+		return phy_mii_ioctl(priv->phydev, ifrq, cmd);
+	else
+		return -EOPNOTSUPP;
 }
 
 static int match_first_device(struct device *dev, void *data)
diff --git a/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c b/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c
index 13214a6..743b182 100644
--- a/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c
+++ b/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c
@@ -1622,7 +1622,7 @@
 			continue;
 
 		/* copy hw scan info */
-		memcpy(target->hwinfo, scan_info, scan_info->size);
+		memcpy(target->hwinfo, scan_info, be16_to_cpu(scan_info->size));
 		target->essid_len = strnlen(scan_info->essid,
 					    sizeof(scan_info->essid));
 		target->rate_len = 0;
diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c
index b3ffaee..f279a89 100644
--- a/drivers/net/phy/at803x.c
+++ b/drivers/net/phy/at803x.c
@@ -359,27 +359,25 @@
 	 * in the FIFO. In such cases, the FIFO enters an error mode it
 	 * cannot recover from by software.
 	 */
-	if (phydev->drv->phy_id == ATH8030_PHY_ID) {
-		if (phydev->state == PHY_NOLINK) {
-			if (priv->gpiod_reset && !priv->phy_reset) {
-				struct at803x_context context;
+	if (phydev->state == PHY_NOLINK) {
+		if (priv->gpiod_reset && !priv->phy_reset) {
+			struct at803x_context context;
 
-				at803x_context_save(phydev, &context);
+			at803x_context_save(phydev, &context);
 
-				gpiod_set_value(priv->gpiod_reset, 1);
-				msleep(1);
-				gpiod_set_value(priv->gpiod_reset, 0);
-				msleep(1);
+			gpiod_set_value(priv->gpiod_reset, 1);
+			msleep(1);
+			gpiod_set_value(priv->gpiod_reset, 0);
+			msleep(1);
 
-				at803x_context_restore(phydev, &context);
+			at803x_context_restore(phydev, &context);
 
-				phydev_dbg(phydev, "%s(): phy was reset\n",
-					   __func__);
-				priv->phy_reset = true;
-			}
-		} else {
-			priv->phy_reset = false;
+			phydev_dbg(phydev, "%s(): phy was reset\n",
+				   __func__);
+			priv->phy_reset = true;
 		}
+	} else {
+		priv->phy_reset = false;
 	}
 }
 
@@ -391,7 +389,6 @@
 	.phy_id_mask		= 0xffffffef,
 	.probe			= at803x_probe,
 	.config_init		= at803x_config_init,
-	.link_change_notify	= at803x_link_change_notify,
 	.set_wol		= at803x_set_wol,
 	.get_wol		= at803x_get_wol,
 	.suspend		= at803x_suspend,
@@ -427,7 +424,6 @@
 	.phy_id_mask		= 0xffffffef,
 	.probe			= at803x_probe,
 	.config_init		= at803x_config_init,
-	.link_change_notify	= at803x_link_change_notify,
 	.set_wol		= at803x_set_wol,
 	.get_wol		= at803x_get_wol,
 	.suspend		= at803x_suspend,
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index f20890e..f64778a 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -269,6 +269,7 @@
 	struct lan78xx_net *dev;
 	enum skb_state state;
 	size_t length;
+	int num_of_packet;
 };
 
 struct usb_context {
@@ -1803,7 +1804,34 @@
 
 static void lan78xx_link_status_change(struct net_device *net)
 {
-	/* nothing to do */
+	struct phy_device *phydev = net->phydev;
+	int ret, temp;
+
+	/* At forced 100 F/H mode, chip may fail to set mode correctly
+	 * when cable is switched between long(~50+m) and short one.
+	 * As workaround, set to 10 before setting to 100
+	 * at forced 100 F/H mode.
+	 */
+	if (!phydev->autoneg && (phydev->speed == 100)) {
+		/* disable phy interrupt */
+		temp = phy_read(phydev, LAN88XX_INT_MASK);
+		temp &= ~LAN88XX_INT_MASK_MDINTPIN_EN_;
+		ret = phy_write(phydev, LAN88XX_INT_MASK, temp);
+
+		temp = phy_read(phydev, MII_BMCR);
+		temp &= ~(BMCR_SPEED100 | BMCR_SPEED1000);
+		phy_write(phydev, MII_BMCR, temp); /* set to 10 first */
+		temp |= BMCR_SPEED100;
+		phy_write(phydev, MII_BMCR, temp); /* set to 100 later */
+
+		/* clear pending interrupt generated while workaround */
+		temp = phy_read(phydev, LAN88XX_INT_STS);
+
+		/* enable phy interrupt back */
+		temp = phy_read(phydev, LAN88XX_INT_MASK);
+		temp |= LAN88XX_INT_MASK_MDINTPIN_EN_;
+		ret = phy_write(phydev, LAN88XX_INT_MASK, temp);
+	}
 }
 
 static int lan78xx_phy_init(struct lan78xx_net *dev)
@@ -2464,7 +2492,7 @@
 	struct lan78xx_net *dev = entry->dev;
 
 	if (urb->status == 0) {
-		dev->net->stats.tx_packets++;
+		dev->net->stats.tx_packets += entry->num_of_packet;
 		dev->net->stats.tx_bytes += entry->length;
 	} else {
 		dev->net->stats.tx_errors++;
@@ -2681,10 +2709,11 @@
 		return;
 	}
 
-	skb->protocol = eth_type_trans(skb, dev->net);
 	dev->net->stats.rx_packets++;
 	dev->net->stats.rx_bytes += skb->len;
 
+	skb->protocol = eth_type_trans(skb, dev->net);
+
 	netif_dbg(dev, rx_status, dev->net, "< rx, len %zu, type 0x%x\n",
 		  skb->len + sizeof(struct ethhdr), skb->protocol);
 	memset(skb->cb, 0, sizeof(struct skb_data));
@@ -2934,13 +2963,16 @@
 
 	skb_totallen = 0;
 	pkt_cnt = 0;
+	count = 0;
+	length = 0;
 	for (skb = tqp->next; pkt_cnt < tqp->qlen; skb = skb->next) {
 		if (skb_is_gso(skb)) {
 			if (pkt_cnt) {
 				/* handle previous packets first */
 				break;
 			}
-			length = skb->len;
+			count = 1;
+			length = skb->len - TX_OVERHEAD;
 			skb2 = skb_dequeue(tqp);
 			goto gso_skb;
 		}
@@ -2961,14 +2993,13 @@
 	for (count = pos = 0; count < pkt_cnt; count++) {
 		skb2 = skb_dequeue(tqp);
 		if (skb2) {
+			length += (skb2->len - TX_OVERHEAD);
 			memcpy(skb->data + pos, skb2->data, skb2->len);
 			pos += roundup(skb2->len, sizeof(u32));
 			dev_kfree_skb(skb2);
 		}
 	}
 
-	length = skb_totallen;
-
 gso_skb:
 	urb = usb_alloc_urb(0, GFP_ATOMIC);
 	if (!urb) {
@@ -2980,6 +3011,7 @@
 	entry->urb = urb;
 	entry->dev = dev;
 	entry->length = length;
+	entry->num_of_packet = count;
 
 	spin_lock_irqsave(&dev->txq.lock, flags);
 	ret = usb_autopm_get_interface_async(dev->intf);
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index f840802..82129ee 100644
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -411,7 +411,7 @@
 	int ret;
 
 	read_mii_word(pegasus, pegasus->phy, MII_LPA, &linkpart);
-	data[0] = 0xc9;
+	data[0] = 0xc8; /* TX & RX enable, append status, no CRC */
 	data[1] = 0;
 	if (linkpart & (ADVERTISE_100FULL | ADVERTISE_10FULL))
 		data[1] |= 0x20;	/* set full duplex */
@@ -497,7 +497,7 @@
 		pkt_len = buf[count - 3] << 8;
 		pkt_len += buf[count - 4];
 		pkt_len &= 0xfff;
-		pkt_len -= 8;
+		pkt_len -= 4;
 	}
 
 	/*
@@ -528,7 +528,7 @@
 goon:
 	usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb,
 			  usb_rcvbulkpipe(pegasus->usb, 1),
-			  pegasus->rx_skb->data, PEGASUS_MTU + 8,
+			  pegasus->rx_skb->data, PEGASUS_MTU,
 			  read_bulk_callback, pegasus);
 	rx_status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC);
 	if (rx_status == -ENODEV)
@@ -569,7 +569,7 @@
 	}
 	usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb,
 			  usb_rcvbulkpipe(pegasus->usb, 1),
-			  pegasus->rx_skb->data, PEGASUS_MTU + 8,
+			  pegasus->rx_skb->data, PEGASUS_MTU,
 			  read_bulk_callback, pegasus);
 try_again:
 	status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC);
@@ -823,7 +823,7 @@
 
 	usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb,
 			  usb_rcvbulkpipe(pegasus->usb, 1),
-			  pegasus->rx_skb->data, PEGASUS_MTU + 8,
+			  pegasus->rx_skb->data, PEGASUS_MTU,
 			  read_bulk_callback, pegasus);
 	if ((res = usb_submit_urb(pegasus->rx_urb, GFP_KERNEL))) {
 		if (res == -ENODEV)
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index 30033db..c369db9 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c
@@ -29,6 +29,7 @@
 #include <linux/crc32.h>
 #include <linux/usb/usbnet.h>
 #include <linux/slab.h>
+#include <linux/of_net.h>
 #include "smsc75xx.h"
 
 #define SMSC_CHIPNAME			"smsc75xx"
@@ -761,6 +762,15 @@
 
 static void smsc75xx_init_mac_address(struct usbnet *dev)
 {
+	const u8 *mac_addr;
+
+	/* maybe the boot loader passed the MAC address in devicetree */
+	mac_addr = of_get_mac_address(dev->udev->dev.of_node);
+	if (mac_addr) {
+		memcpy(dev->net->dev_addr, mac_addr, ETH_ALEN);
+		return;
+	}
+
 	/* try reading mac address from EEPROM */
 	if (smsc75xx_read_eeprom(dev, EEPROM_MAC_OFFSET, ETH_ALEN,
 			dev->net->dev_addr) == 0) {
@@ -772,7 +782,7 @@
 		}
 	}
 
-	/* no eeprom, or eeprom values are invalid. generate random MAC */
+	/* no useful static MAC address found. generate a random one */
 	eth_hw_addr_random(dev->net);
 	netif_dbg(dev, ifup, dev->net, "MAC address set to eth_random_addr\n");
 }
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 66b3ab9..2edc2bc 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -29,6 +29,7 @@
 #include <linux/crc32.h>
 #include <linux/usb/usbnet.h>
 #include <linux/slab.h>
+#include <linux/of_net.h>
 #include "smsc95xx.h"
 
 #define SMSC_CHIPNAME			"smsc95xx"
@@ -765,6 +766,15 @@
 
 static void smsc95xx_init_mac_address(struct usbnet *dev)
 {
+	const u8 *mac_addr;
+
+	/* maybe the boot loader passed the MAC address in devicetree */
+	mac_addr = of_get_mac_address(dev->udev->dev.of_node);
+	if (mac_addr) {
+		memcpy(dev->net->dev_addr, mac_addr, ETH_ALEN);
+		return;
+	}
+
 	/* try reading mac address from EEPROM */
 	if (smsc95xx_read_eeprom(dev, EEPROM_MAC_OFFSET, ETH_ALEN,
 			dev->net->dev_addr) == 0) {
@@ -775,7 +785,7 @@
 		}
 	}
 
-	/* no eeprom, or eeprom values are invalid. generate random MAC */
+	/* no useful static MAC address found. generate a random one */
 	eth_hw_addr_random(dev->net);
 	netif_dbg(dev, ifup, dev->net, "MAC address set to eth_random_addr\n");
 }
diff --git a/drivers/net/wireless/ath/ath9k/ar5008_phy.c b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
index 8f87930..1b271b9 100644
--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
@@ -274,6 +274,9 @@
 	};
 	static const int inc[4] = { 0, 100, 0, 0 };
 
+	memset(&mask_m, 0, sizeof(int8_t) * 123);
+	memset(&mask_p, 0, sizeof(int8_t) * 123);
+
 	cur_bin = -6000;
 	upper = bin + 100;
 	lower = bin - 100;
@@ -424,14 +427,9 @@
 	int tmp, new;
 	int i;
 
-	int8_t mask_m[123];
-	int8_t mask_p[123];
 	int cur_bb_spur;
 	bool is2GHz = IS_CHAN_2GHZ(chan);
 
-	memset(&mask_m, 0, sizeof(int8_t) * 123);
-	memset(&mask_p, 0, sizeof(int8_t) * 123);
-
 	for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
 		cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz);
 		if (AR_NO_SPUR == cur_bb_spur)
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.c b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
index db66245..53d7445 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
@@ -178,14 +178,9 @@
 	int i;
 	struct chan_centers centers;
 
-	int8_t mask_m[123];
-	int8_t mask_p[123];
 	int cur_bb_spur;
 	bool is2GHz = IS_CHAN_2GHZ(chan);
 
-	memset(&mask_m, 0, sizeof(int8_t) * 123);
-	memset(&mask_p, 0, sizeof(int8_t) * 123);
-
 	ath9k_hw_get_channel_centers(ah, chan, &centers);
 	freq = centers.synth_center;
 
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-8000.c b/drivers/net/wireless/intel/iwlwifi/iwl-8000.c
index 97be104..b5c57ee 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-8000.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-8000.c
@@ -93,7 +93,7 @@
 #define IWL8260_SMEM_OFFSET		0x400000
 #define IWL8260_SMEM_LEN		0x68000
 
-#define IWL8000_FW_PRE "iwlwifi-8000"
+#define IWL8000_FW_PRE "iwlwifi-8000C-"
 #define IWL8000_MODULE_FIRMWARE(api) \
 	IWL8000_FW_PRE "-" __stringify(api) ".ucode"
 
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
index f899666..9e45bf9 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
@@ -238,19 +238,6 @@
 	snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode",
 		 name_pre, tag);
 
-	/*
-	 * Starting 8000B - FW name format has changed. This overwrites the
-	 * previous name and uses the new format.
-	 */
-	if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) {
-		char rev_step = 'A' + CSR_HW_REV_STEP(drv->trans->hw_rev);
-
-		if (rev_step != 'A')
-			snprintf(drv->firmware_name,
-				 sizeof(drv->firmware_name), "%s%c-%s.ucode",
-				 name_pre, rev_step, tag);
-	}
-
 	IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n",
 		       (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
 				? "EXPERIMENTAL " : "",
@@ -1060,11 +1047,18 @@
 		return -EINVAL;
 	}
 
-	if (WARN(fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) &&
-		 !gscan_capa,
-		 "GSCAN is supported but capabilities TLV is unavailable\n"))
+	/*
+	 * If ucode advertises that it supports GSCAN but GSCAN
+	 * capabilities TLV is not present, or if it has an old format,
+	 * warn and continue without GSCAN.
+	 */
+	if (fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) &&
+	    !gscan_capa) {
+		IWL_DEBUG_INFO(drv,
+			       "GSCAN is supported but capabilities TLV is unavailable\n");
 		__clear_bit((__force long)IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT,
 			    capa->_capa);
+	}
 
 	return 0;
 
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c
index 4856eac..6938cd3 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c
@@ -526,7 +526,8 @@
 		file_len += sizeof(*dump_data) + sizeof(*dump_mem) + sram2_len;
 
 	/* Make room for fw's virtual image pages, if it exists */
-	if (mvm->fw->img[mvm->cur_ucode].paging_mem_size)
+	if (mvm->fw->img[mvm->cur_ucode].paging_mem_size &&
+	    mvm->fw_paging_db[0].fw_paging_block)
 		file_len += mvm->num_of_paging_blk *
 			(sizeof(*dump_data) +
 			 sizeof(struct iwl_fw_error_dump_paging) +
@@ -643,7 +644,8 @@
 	}
 
 	/* Dump fw's virtual image */
-	if (mvm->fw->img[mvm->cur_ucode].paging_mem_size) {
+	if (mvm->fw->img[mvm->cur_ucode].paging_mem_size &&
+	    mvm->fw_paging_db[0].fw_paging_block) {
 		for (i = 1; i < mvm->num_of_paging_blk + 1; i++) {
 			struct iwl_fw_error_dump_paging *paging;
 			struct page *pages =
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 594cd0d..09d895f 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -144,9 +144,11 @@
 
 		__free_pages(mvm->fw_paging_db[i].fw_paging_block,
 			     get_order(mvm->fw_paging_db[i].fw_paging_size));
+		mvm->fw_paging_db[i].fw_paging_block = NULL;
 	}
 	kfree(mvm->trans->paging_download_buf);
 	mvm->trans->paging_download_buf = NULL;
+	mvm->trans->paging_db = NULL;
 
 	memset(mvm->fw_paging_db, 0, sizeof(mvm->fw_paging_db));
 }
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
index 05b9685..79d7cd7 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
@@ -479,8 +479,18 @@
 	{IWL_PCI_DEVICE(0x24F3, 0x0930, iwl8260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F3, 0x0000, iwl8265_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24FD, 0x0010, iwl8265_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24FD, 0x0110, iwl8265_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24FD, 0x1110, iwl8265_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24FD, 0x1010, iwl8265_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24FD, 0x0050, iwl8265_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24FD, 0x0150, iwl8265_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24FD, 0x9010, iwl8265_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24FD, 0x8110, iwl8265_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24FD, 0x8050, iwl8265_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24FD, 0x8010, iwl8265_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24FD, 0x0810, iwl8265_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24FD, 0x9110, iwl8265_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24FD, 0x8130, iwl8265_2ac_cfg)},
 
 /* 9000 Series */
 	{IWL_PCI_DEVICE(0x9DF0, 0x2A10, iwl5165_2ac_cfg)},
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index f798899..5101f3a 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -397,10 +397,17 @@
 	 */
 	start += start_pad;
 	npfns = (pmem->size - start_pad - end_trunc - SZ_8K) / SZ_4K;
-	if (nd_pfn->mode == PFN_MODE_PMEM)
-		offset = ALIGN(start + SZ_8K + 64 * npfns, nd_pfn->align)
+	if (nd_pfn->mode == PFN_MODE_PMEM) {
+		unsigned long memmap_size;
+
+		/*
+		 * vmemmap_populate_hugepages() allocates the memmap array in
+		 * HPAGE_SIZE chunks.
+		 */
+		memmap_size = ALIGN(64 * npfns, HPAGE_SIZE);
+		offset = ALIGN(start + SZ_8K + memmap_size, nd_pfn->align)
 			- start;
-	else if (nd_pfn->mode == PFN_MODE_RAM)
+	} else if (nd_pfn->mode == PFN_MODE_RAM)
 		offset = ALIGN(start + SZ_8K, nd_pfn->align) - start;
 	else
 		goto err;
diff --git a/drivers/nvmem/mxs-ocotp.c b/drivers/nvmem/mxs-ocotp.c
index 8ba19bb..2bb3c57 100644
--- a/drivers/nvmem/mxs-ocotp.c
+++ b/drivers/nvmem/mxs-ocotp.c
@@ -94,7 +94,7 @@
 	if (ret)
 		goto close_banks;
 
-	while (val_size) {
+	while (val_size >= reg_size) {
 		if ((offset < OCOTP_DATA_OFFSET) || (offset % 16)) {
 			/* fill up non-data register */
 			*buf = 0;
@@ -103,7 +103,7 @@
 		}
 
 		buf++;
-		val_size--;
+		val_size -= reg_size;
 		offset += reg_size;
 	}
 
diff --git a/drivers/rapidio/devices/rio_mport_cdev.c b/drivers/rapidio/devices/rio_mport_cdev.c
index 96168b8..e165b7c 100644
--- a/drivers/rapidio/devices/rio_mport_cdev.c
+++ b/drivers/rapidio/devices/rio_mport_cdev.c
@@ -126,7 +126,7 @@
 	struct list_head node;
 	struct mport_dev *md;
 	enum rio_mport_map_dir dir;
-	u32 rioid;
+	u16 rioid;
 	u64 rio_addr;
 	dma_addr_t phys_addr; /* for mmap */
 	void *virt_addr; /* kernel address, for dma_free_coherent */
@@ -137,7 +137,7 @@
 
 struct rio_mport_dma_map {
 	int valid;
-	uint64_t length;
+	u64 length;
 	void *vaddr;
 	dma_addr_t paddr;
 };
@@ -208,7 +208,7 @@
 	struct kfifo            event_fifo;
 	wait_queue_head_t       event_rx_wait;
 	spinlock_t              fifo_lock;
-	unsigned int            event_mask; /* RIO_DOORBELL, RIO_PORTWRITE */
+	u32			event_mask; /* RIO_DOORBELL, RIO_PORTWRITE */
 #ifdef CONFIG_RAPIDIO_DMA_ENGINE
 	struct dma_chan		*dmach;
 	struct list_head	async_list;
@@ -276,7 +276,8 @@
 		return -EFAULT;
 
 	if ((maint_io.offset % 4) ||
-	    (maint_io.length == 0) || (maint_io.length % 4))
+	    (maint_io.length == 0) || (maint_io.length % 4) ||
+	    (maint_io.length + maint_io.offset) > RIO_MAINT_SPACE_SZ)
 		return -EINVAL;
 
 	buffer = vmalloc(maint_io.length);
@@ -298,7 +299,8 @@
 		offset += 4;
 	}
 
-	if (unlikely(copy_to_user(maint_io.buffer, buffer, maint_io.length)))
+	if (unlikely(copy_to_user((void __user *)(uintptr_t)maint_io.buffer,
+				   buffer, maint_io.length)))
 		ret = -EFAULT;
 out:
 	vfree(buffer);
@@ -319,7 +321,8 @@
 		return -EFAULT;
 
 	if ((maint_io.offset % 4) ||
-	    (maint_io.length == 0) || (maint_io.length % 4))
+	    (maint_io.length == 0) || (maint_io.length % 4) ||
+	    (maint_io.length + maint_io.offset) > RIO_MAINT_SPACE_SZ)
 		return -EINVAL;
 
 	buffer = vmalloc(maint_io.length);
@@ -327,7 +330,8 @@
 		return -ENOMEM;
 	length = maint_io.length;
 
-	if (unlikely(copy_from_user(buffer, maint_io.buffer, length))) {
+	if (unlikely(copy_from_user(buffer,
+			(void __user *)(uintptr_t)maint_io.buffer, length))) {
 		ret = -EFAULT;
 		goto out;
 	}
@@ -360,7 +364,7 @@
  */
 static int
 rio_mport_create_outbound_mapping(struct mport_dev *md, struct file *filp,
-				  u32 rioid, u64 raddr, u32 size,
+				  u16 rioid, u64 raddr, u32 size,
 				  dma_addr_t *paddr)
 {
 	struct rio_mport *mport = md->mport;
@@ -369,7 +373,7 @@
 
 	rmcd_debug(OBW, "did=%d ra=0x%llx sz=0x%x", rioid, raddr, size);
 
-	map = kzalloc(sizeof(struct rio_mport_mapping), GFP_KERNEL);
+	map = kzalloc(sizeof(*map), GFP_KERNEL);
 	if (map == NULL)
 		return -ENOMEM;
 
@@ -394,7 +398,7 @@
 
 static int
 rio_mport_get_outbound_mapping(struct mport_dev *md, struct file *filp,
-			       u32 rioid, u64 raddr, u32 size,
+			       u16 rioid, u64 raddr, u32 size,
 			       dma_addr_t *paddr)
 {
 	struct rio_mport_mapping *map;
@@ -433,7 +437,7 @@
 	dma_addr_t paddr;
 	int ret;
 
-	if (unlikely(copy_from_user(&map, arg, sizeof(struct rio_mmap))))
+	if (unlikely(copy_from_user(&map, arg, sizeof(map))))
 		return -EFAULT;
 
 	rmcd_debug(OBW, "did=%d ra=0x%llx sz=0x%llx",
@@ -448,7 +452,7 @@
 
 	map.handle = paddr;
 
-	if (unlikely(copy_to_user(arg, &map, sizeof(struct rio_mmap))))
+	if (unlikely(copy_to_user(arg, &map, sizeof(map))))
 		return -EFAULT;
 	return 0;
 }
@@ -469,7 +473,7 @@
 	if (!md->mport->ops->unmap_outb)
 		return -EPROTONOSUPPORT;
 
-	if (copy_from_user(&handle, arg, sizeof(u64)))
+	if (copy_from_user(&handle, arg, sizeof(handle)))
 		return -EFAULT;
 
 	rmcd_debug(OBW, "h=0x%llx", handle);
@@ -498,9 +502,9 @@
 static int maint_hdid_set(struct mport_cdev_priv *priv, void __user *arg)
 {
 	struct mport_dev *md = priv->md;
-	uint16_t hdid;
+	u16 hdid;
 
-	if (copy_from_user(&hdid, arg, sizeof(uint16_t)))
+	if (copy_from_user(&hdid, arg, sizeof(hdid)))
 		return -EFAULT;
 
 	md->mport->host_deviceid = hdid;
@@ -520,9 +524,9 @@
 static int maint_comptag_set(struct mport_cdev_priv *priv, void __user *arg)
 {
 	struct mport_dev *md = priv->md;
-	uint32_t comptag;
+	u32 comptag;
 
-	if (copy_from_user(&comptag, arg, sizeof(uint32_t)))
+	if (copy_from_user(&comptag, arg, sizeof(comptag)))
 		return -EFAULT;
 
 	rio_local_write_config_32(md->mport, RIO_COMPONENT_TAG_CSR, comptag);
@@ -837,7 +841,7 @@
  * @xfer: data transfer descriptor structure
  */
 static int
-rio_dma_transfer(struct file *filp, uint32_t transfer_mode,
+rio_dma_transfer(struct file *filp, u32 transfer_mode,
 		 enum rio_transfer_sync sync, enum dma_data_direction dir,
 		 struct rio_transfer_io *xfer)
 {
@@ -875,7 +879,7 @@
 		unsigned long offset;
 		long pinned;
 
-		offset = (unsigned long)xfer->loc_addr & ~PAGE_MASK;
+		offset = (unsigned long)(uintptr_t)xfer->loc_addr & ~PAGE_MASK;
 		nr_pages = PAGE_ALIGN(xfer->length + offset) >> PAGE_SHIFT;
 
 		page_list = kmalloc_array(nr_pages,
@@ -1015,19 +1019,20 @@
 	if (unlikely(copy_from_user(&transaction, arg, sizeof(transaction))))
 		return -EFAULT;
 
-	if (transaction.count != 1)
+	if (transaction.count != 1) /* only single transfer for now */
 		return -EINVAL;
 
 	if ((transaction.transfer_mode &
 	     priv->md->properties.transfer_mode) == 0)
 		return -ENODEV;
 
-	transfer = vmalloc(transaction.count * sizeof(struct rio_transfer_io));
+	transfer = vmalloc(transaction.count * sizeof(*transfer));
 	if (!transfer)
 		return -ENOMEM;
 
-	if (unlikely(copy_from_user(transfer, transaction.block,
-	      transaction.count * sizeof(struct rio_transfer_io)))) {
+	if (unlikely(copy_from_user(transfer,
+				    (void __user *)(uintptr_t)transaction.block,
+				    transaction.count * sizeof(*transfer)))) {
 		ret = -EFAULT;
 		goto out_free;
 	}
@@ -1038,8 +1043,9 @@
 		ret = rio_dma_transfer(filp, transaction.transfer_mode,
 			transaction.sync, dir, &transfer[i]);
 
-	if (unlikely(copy_to_user(transaction.block, transfer,
-	      transaction.count * sizeof(struct rio_transfer_io))))
+	if (unlikely(copy_to_user((void __user *)(uintptr_t)transaction.block,
+				  transfer,
+				  transaction.count * sizeof(*transfer))))
 		ret = -EFAULT;
 
 out_free:
@@ -1129,11 +1135,11 @@
 }
 
 static int rio_mport_create_dma_mapping(struct mport_dev *md, struct file *filp,
-			uint64_t size, struct rio_mport_mapping **mapping)
+			u64 size, struct rio_mport_mapping **mapping)
 {
 	struct rio_mport_mapping *map;
 
-	map = kzalloc(sizeof(struct rio_mport_mapping), GFP_KERNEL);
+	map = kzalloc(sizeof(*map), GFP_KERNEL);
 	if (map == NULL)
 		return -ENOMEM;
 
@@ -1165,7 +1171,7 @@
 	struct rio_mport_mapping *mapping = NULL;
 	int ret;
 
-	if (unlikely(copy_from_user(&map, arg, sizeof(struct rio_dma_mem))))
+	if (unlikely(copy_from_user(&map, arg, sizeof(map))))
 		return -EFAULT;
 
 	ret = rio_mport_create_dma_mapping(md, filp, map.length, &mapping);
@@ -1174,7 +1180,7 @@
 
 	map.dma_handle = mapping->phys_addr;
 
-	if (unlikely(copy_to_user(arg, &map, sizeof(struct rio_dma_mem)))) {
+	if (unlikely(copy_to_user(arg, &map, sizeof(map)))) {
 		mutex_lock(&md->buf_mutex);
 		kref_put(&mapping->ref, mport_release_mapping);
 		mutex_unlock(&md->buf_mutex);
@@ -1192,7 +1198,7 @@
 	int ret = -EFAULT;
 	struct rio_mport_mapping *map, *_map;
 
-	if (copy_from_user(&handle, arg, sizeof(u64)))
+	if (copy_from_user(&handle, arg, sizeof(handle)))
 		return -EFAULT;
 	rmcd_debug(EXIT, "filp=%p", filp);
 
@@ -1242,14 +1248,18 @@
 
 static int
 rio_mport_create_inbound_mapping(struct mport_dev *md, struct file *filp,
-				u64 raddr, u32 size,
+				u64 raddr, u64 size,
 				struct rio_mport_mapping **mapping)
 {
 	struct rio_mport *mport = md->mport;
 	struct rio_mport_mapping *map;
 	int ret;
 
-	map = kzalloc(sizeof(struct rio_mport_mapping), GFP_KERNEL);
+	/* rio_map_inb_region() accepts u32 size */
+	if (size > 0xffffffff)
+		return -EINVAL;
+
+	map = kzalloc(sizeof(*map), GFP_KERNEL);
 	if (map == NULL)
 		return -ENOMEM;
 
@@ -1262,7 +1272,7 @@
 
 	if (raddr == RIO_MAP_ANY_ADDR)
 		raddr = map->phys_addr;
-	ret = rio_map_inb_region(mport, map->phys_addr, raddr, size, 0);
+	ret = rio_map_inb_region(mport, map->phys_addr, raddr, (u32)size, 0);
 	if (ret < 0)
 		goto err_map_inb;
 
@@ -1288,7 +1298,7 @@
 
 static int
 rio_mport_get_inbound_mapping(struct mport_dev *md, struct file *filp,
-			      u64 raddr, u32 size,
+			      u64 raddr, u64 size,
 			      struct rio_mport_mapping **mapping)
 {
 	struct rio_mport_mapping *map;
@@ -1331,7 +1341,7 @@
 
 	if (!md->mport->ops->map_inb)
 		return -EPROTONOSUPPORT;
-	if (unlikely(copy_from_user(&map, arg, sizeof(struct rio_mmap))))
+	if (unlikely(copy_from_user(&map, arg, sizeof(map))))
 		return -EFAULT;
 
 	rmcd_debug(IBW, "%s filp=%p", dev_name(&priv->md->dev), filp);
@@ -1344,7 +1354,7 @@
 	map.handle = mapping->phys_addr;
 	map.rio_addr = mapping->rio_addr;
 
-	if (unlikely(copy_to_user(arg, &map, sizeof(struct rio_mmap)))) {
+	if (unlikely(copy_to_user(arg, &map, sizeof(map)))) {
 		/* Delete mapping if it was created by this request */
 		if (ret == 0 && mapping->filp == filp) {
 			mutex_lock(&md->buf_mutex);
@@ -1375,7 +1385,7 @@
 	if (!md->mport->ops->unmap_inb)
 		return -EPROTONOSUPPORT;
 
-	if (copy_from_user(&handle, arg, sizeof(u64)))
+	if (copy_from_user(&handle, arg, sizeof(handle)))
 		return -EFAULT;
 
 	mutex_lock(&md->buf_mutex);
@@ -1401,7 +1411,7 @@
 static int maint_port_idx_get(struct mport_cdev_priv *priv, void __user *arg)
 {
 	struct mport_dev *md = priv->md;
-	uint32_t port_idx = md->mport->index;
+	u32 port_idx = md->mport->index;
 
 	rmcd_debug(MPORT, "port_index=%d", port_idx);
 
@@ -1451,7 +1461,7 @@
 	handled = 0;
 	spin_lock(&data->db_lock);
 	list_for_each_entry(db_filter, &data->doorbells, data_node) {
-		if (((db_filter->filter.rioid == 0xffffffff ||
+		if (((db_filter->filter.rioid == RIO_INVALID_DESTID ||
 		      db_filter->filter.rioid == src)) &&
 		      info >= db_filter->filter.low &&
 		      info <= db_filter->filter.high) {
@@ -1525,6 +1535,9 @@
 	if (copy_from_user(&filter, arg, sizeof(filter)))
 		return -EFAULT;
 
+	if (filter.low > filter.high)
+		return -EINVAL;
+
 	spin_lock_irqsave(&priv->md->db_lock, flags);
 	list_for_each_entry(db_filter, &priv->db_filters, priv_node) {
 		if (db_filter->filter.rioid == filter.rioid &&
@@ -1737,10 +1750,10 @@
 		return -EEXIST;
 	}
 
-	size = sizeof(struct rio_dev);
+	size = sizeof(*rdev);
 	mport = md->mport;
-	destid = (u16)dev_info.destid;
-	hopcount = (u8)dev_info.hopcount;
+	destid = dev_info.destid;
+	hopcount = dev_info.hopcount;
 
 	if (rio_mport_read_config_32(mport, destid, hopcount,
 				     RIO_PEF_CAR, &rval))
@@ -1872,8 +1885,8 @@
 		do {
 			rdev = rio_get_comptag(dev_info.comptag, rdev);
 			if (rdev && rdev->dev.parent == &mport->net->dev &&
-			    rdev->destid == (u16)dev_info.destid &&
-			    rdev->hopcount == (u8)dev_info.hopcount)
+			    rdev->destid == dev_info.destid &&
+			    rdev->hopcount == dev_info.hopcount)
 				break;
 		} while (rdev);
 	}
@@ -2146,8 +2159,8 @@
 		return maint_port_idx_get(data, (void __user *)arg);
 	case RIO_MPORT_GET_PROPERTIES:
 		md->properties.hdid = md->mport->host_deviceid;
-		if (copy_to_user((void __user *)arg, &(data->md->properties),
-				 sizeof(data->md->properties)))
+		if (copy_to_user((void __user *)arg, &(md->properties),
+				 sizeof(md->properties)))
 			return -EFAULT;
 		return 0;
 	case RIO_ENABLE_DOORBELL_RANGE:
@@ -2159,11 +2172,11 @@
 	case RIO_DISABLE_PORTWRITE_RANGE:
 		return rio_mport_remove_pw_filter(data, (void __user *)arg);
 	case RIO_SET_EVENT_MASK:
-		data->event_mask = arg;
+		data->event_mask = (u32)arg;
 		return 0;
 	case RIO_GET_EVENT_MASK:
 		if (copy_to_user((void __user *)arg, &data->event_mask,
-				    sizeof(data->event_mask)))
+				    sizeof(u32)))
 			return -EFAULT;
 		return 0;
 	case RIO_MAP_OUTBOUND:
@@ -2374,7 +2387,7 @@
 			return -EINVAL;
 
 		ret = rio_mport_send_doorbell(mport,
-					      (u16)event.u.doorbell.rioid,
+					      event.u.doorbell.rioid,
 					      event.u.doorbell.payload);
 		if (ret < 0)
 			return ret;
@@ -2421,7 +2434,7 @@
 	struct mport_dev *md;
 	struct rio_mport_attr attr;
 
-	md = kzalloc(sizeof(struct mport_dev), GFP_KERNEL);
+	md = kzalloc(sizeof(*md), GFP_KERNEL);
 	if (!md) {
 		rmcd_error("Unable allocate a device object");
 		return NULL;
@@ -2470,7 +2483,7 @@
 	/* The transfer_mode property will be returned through mport query
 	 * interface
 	 */
-#ifdef CONFIG_PPC /* for now: only on Freescale's SoCs */
+#ifdef CONFIG_FSL_RIO /* for now: only on Freescale's SoCs */
 	md->properties.transfer_mode |= RIO_TRANSFER_MODE_MAPPED;
 #else
 	md->properties.transfer_mode |= RIO_TRANSFER_MODE_TRANSFER;
diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
index 3c3dc4a..d89d60c 100644
--- a/drivers/thermal/Kconfig
+++ b/drivers/thermal/Kconfig
@@ -338,31 +338,9 @@
 	  hot & critical. The critical trip point default value is set by
 	  underlying BIOS/Firmware.
 
-config INT340X_THERMAL
-	tristate "ACPI INT340X thermal drivers"
-	depends on X86 && ACPI
-	select THERMAL_GOV_USER_SPACE
-	select ACPI_THERMAL_REL
-	select ACPI_FAN
-	select INTEL_SOC_DTS_IOSF_CORE
-	select THERMAL_WRITABLE_TRIPS
-	help
-	  Newer laptops and tablets that use ACPI may have thermal sensors and
-	  other devices with thermal control capabilities outside the core
-	  CPU/SOC, for thermal safety reasons.
-	  They are exposed for the OS to use via the INT3400 ACPI device object
-	  as the master, and INT3401~INT340B ACPI device objects as the slaves.
-	  Enable this to expose the temperature information and cooling ability
-	  from these objects to userspace via the normal thermal framework.
-	  This means that a wide range of applications and GUI widgets can show
-	  the information to the user or use this information for making
-	  decisions. For example, the Intel Thermal Daemon can use this
-	  information to allow the user to select his laptop to run without
-	  turning on the fans.
-
-config ACPI_THERMAL_REL
-	tristate
-	depends on ACPI
+menu "ACPI INT340X thermal drivers"
+source drivers/thermal/int340x_thermal/Kconfig
+endmenu
 
 config INTEL_PCH_THERMAL
 	tristate "Intel PCH Thermal Reporting Driver"
diff --git a/drivers/thermal/int340x_thermal/Kconfig b/drivers/thermal/int340x_thermal/Kconfig
new file mode 100644
index 0000000..0582bd1
--- /dev/null
+++ b/drivers/thermal/int340x_thermal/Kconfig
@@ -0,0 +1,42 @@
+#
+# ACPI INT340x thermal drivers configuration
+#
+
+config INT340X_THERMAL
+	tristate "ACPI INT340X thermal drivers"
+	depends on X86 && ACPI
+	select THERMAL_GOV_USER_SPACE
+	select ACPI_THERMAL_REL
+	select ACPI_FAN
+	select INTEL_SOC_DTS_IOSF_CORE
+	help
+	  Newer laptops and tablets that use ACPI may have thermal sensors and
+	  other devices with thermal control capabilities outside the core
+	  CPU/SOC, for thermal safety reasons.
+	  They are exposed for the OS to use via the INT3400 ACPI device object
+	  as the master, and INT3401~INT340B ACPI device objects as the slaves.
+	  Enable this to expose the temperature information and cooling ability
+	  from these objects to userspace via the normal thermal framework.
+	  This means that a wide range of applications and GUI widgets can show
+	  the information to the user or use this information for making
+	  decisions. For example, the Intel Thermal Daemon can use this
+	  information to allow the user to select his laptop to run without
+	  turning on the fans.
+
+config ACPI_THERMAL_REL
+	tristate
+	depends on ACPI
+
+if INT340X_THERMAL
+
+config INT3406_THERMAL
+	tristate "ACPI INT3406 display thermal driver"
+	depends on ACPI_VIDEO
+	help
+	  The display thermal device represents the LED/LCD display panel
+	  that may or may not include touch support. The main function of
+	  the display thermal device is to allow control of the display
+	  brightness in order to address a thermal condition or to reduce
+	  power consumed by display device.
+
+endif
diff --git a/drivers/thermal/int340x_thermal/Makefile b/drivers/thermal/int340x_thermal/Makefile
index ba77a34..df0df05 100644
--- a/drivers/thermal/int340x_thermal/Makefile
+++ b/drivers/thermal/int340x_thermal/Makefile
@@ -3,4 +3,5 @@
 obj-$(CONFIG_INT340X_THERMAL)	+= int3402_thermal.o
 obj-$(CONFIG_INT340X_THERMAL)	+= int3403_thermal.o
 obj-$(CONFIG_INT340X_THERMAL)	+= processor_thermal_device.o
+obj-$(CONFIG_INT3406_THERMAL)	+= int3406_thermal.o
 obj-$(CONFIG_ACPI_THERMAL_REL)	+= acpi_thermal_rel.o
diff --git a/drivers/thermal/int340x_thermal/int3406_thermal.c b/drivers/thermal/int340x_thermal/int3406_thermal.c
new file mode 100644
index 0000000..13d431c
--- /dev/null
+++ b/drivers/thermal/int340x_thermal/int3406_thermal.c
@@ -0,0 +1,236 @@
+/*
+ * INT3406 thermal driver for display participant device
+ *
+ * Copyright (C) 2016, Intel Corporation
+ * Authors: Aaron Lu <aaron.lu@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/acpi.h>
+#include <linux/backlight.h>
+#include <linux/thermal.h>
+#include <acpi/video.h>
+
+#define INT3406_BRIGHTNESS_LIMITS_CHANGED	0x80
+
+struct int3406_thermal_data {
+	int upper_limit;
+	int upper_limit_index;
+	int lower_limit;
+	int lower_limit_index;
+	acpi_handle handle;
+	struct acpi_video_device_brightness *br;
+	struct backlight_device *raw_bd;
+	struct thermal_cooling_device *cooling_dev;
+};
+
+static int int3406_thermal_to_raw(int level, struct int3406_thermal_data *d)
+{
+	int max_level = d->br->levels[d->br->count - 1];
+	int raw_max = d->raw_bd->props.max_brightness;
+
+	return level * raw_max / max_level;
+}
+
+static int int3406_thermal_to_acpi(int level, struct int3406_thermal_data *d)
+{
+	int raw_max = d->raw_bd->props.max_brightness;
+	int max_level = d->br->levels[d->br->count - 1];
+
+	return level * max_level / raw_max;
+}
+
+static int
+int3406_thermal_get_max_state(struct thermal_cooling_device *cooling_dev,
+			      unsigned long *state)
+{
+	struct int3406_thermal_data *d = cooling_dev->devdata;
+	int index = d->lower_limit_index ? d->lower_limit_index : 2;
+
+	*state = d->br->count - 1 - index;
+	return 0;
+}
+
+static int
+int3406_thermal_set_cur_state(struct thermal_cooling_device *cooling_dev,
+			      unsigned long state)
+{
+	struct int3406_thermal_data *d = cooling_dev->devdata;
+	int level, raw_level;
+
+	if (state > d->br->count - 3)
+		return -EINVAL;
+
+	state = d->br->count - 1 - state;
+	level = d->br->levels[state];
+
+	if ((d->upper_limit && level > d->upper_limit) ||
+	    (d->lower_limit && level < d->lower_limit))
+		return -EINVAL;
+
+	raw_level = int3406_thermal_to_raw(level, d);
+	return backlight_device_set_brightness(d->raw_bd, raw_level);
+}
+
+static int
+int3406_thermal_get_cur_state(struct thermal_cooling_device *cooling_dev,
+			      unsigned long *state)
+{
+	struct int3406_thermal_data *d = cooling_dev->devdata;
+	int raw_level, level, i;
+	int *levels = d->br->levels;
+
+	raw_level = d->raw_bd->props.brightness;
+	level = int3406_thermal_to_acpi(raw_level, d);
+
+	/*
+	 * There is no 1:1 mapping between the firmware interface level with the
+	 * raw interface level, we will have to find one that is close enough.
+	 */
+	for (i = 2; i < d->br->count; i++) {
+		if (level < levels[i]) {
+			if (i == 2)
+				break;
+			if ((level - levels[i - 1]) < (levels[i] - level))
+				i--;
+			break;
+		}
+	}
+
+	*state = d->br->count - 1 - i;
+	return 0;
+}
+
+static const struct thermal_cooling_device_ops video_cooling_ops = {
+	.get_max_state = int3406_thermal_get_max_state,
+	.get_cur_state = int3406_thermal_get_cur_state,
+	.set_cur_state = int3406_thermal_set_cur_state,
+};
+
+static int int3406_thermal_get_index(int *array, int nr, int value)
+{
+	int i;
+
+	for (i = 0; i < nr; i++) {
+		if (array[i] == value)
+			break;
+	}
+	return i == nr ? -ENOENT : i;
+}
+
+static void int3406_thermal_get_limit(struct int3406_thermal_data *d)
+{
+	acpi_status status;
+	unsigned long long lower_limit, upper_limit;
+	int index;
+
+	status = acpi_evaluate_integer(d->handle, "DDDL", NULL, &lower_limit);
+	if (ACPI_SUCCESS(status)) {
+		index = int3406_thermal_get_index(d->br->levels, d->br->count,
+						  lower_limit);
+		if (index > 0) {
+			d->lower_limit = (int)lower_limit;
+			d->lower_limit_index = index;
+		}
+	}
+
+	status = acpi_evaluate_integer(d->handle, "DDPC", NULL, &upper_limit);
+	if (ACPI_SUCCESS(status)) {
+		index = int3406_thermal_get_index(d->br->levels, d->br->count,
+						  upper_limit);
+		if (index > 0) {
+			d->upper_limit = (int)upper_limit;
+			d->upper_limit_index = index;
+		}
+	}
+}
+
+static void int3406_notify(acpi_handle handle, u32 event, void *data)
+{
+	if (event == INT3406_BRIGHTNESS_LIMITS_CHANGED)
+		int3406_thermal_get_limit(data);
+}
+
+static int int3406_thermal_probe(struct platform_device *pdev)
+{
+	struct acpi_device *adev = ACPI_COMPANION(&pdev->dev);
+	struct int3406_thermal_data *d;
+	struct backlight_device *bd;
+	int ret;
+
+	if (!ACPI_HANDLE(&pdev->dev))
+		return -ENODEV;
+
+	d = devm_kzalloc(&pdev->dev, sizeof(*d), GFP_KERNEL);
+	if (!d)
+		return -ENOMEM;
+	d->handle = ACPI_HANDLE(&pdev->dev);
+
+	bd = backlight_device_get_by_type(BACKLIGHT_RAW);
+	if (!bd)
+		return -ENODEV;
+	d->raw_bd = bd;
+
+	ret = acpi_video_get_levels(ACPI_COMPANION(&pdev->dev), &d->br);
+	if (ret)
+		return ret;
+
+	int3406_thermal_get_limit(d);
+
+	d->cooling_dev = thermal_cooling_device_register(acpi_device_bid(adev),
+							 d, &video_cooling_ops);
+	if (IS_ERR(d->cooling_dev))
+		goto err;
+
+	ret = acpi_install_notify_handler(adev->handle, ACPI_DEVICE_NOTIFY,
+					  int3406_notify, d);
+	if (ret)
+		goto err_cdev;
+
+	platform_set_drvdata(pdev, d);
+
+	return 0;
+
+err_cdev:
+	thermal_cooling_device_unregister(d->cooling_dev);
+err:
+	kfree(d->br);
+	return -ENODEV;
+}
+
+static int int3406_thermal_remove(struct platform_device *pdev)
+{
+	struct int3406_thermal_data *d = platform_get_drvdata(pdev);
+
+	thermal_cooling_device_unregister(d->cooling_dev);
+	kfree(d->br);
+	return 0;
+}
+
+static const struct acpi_device_id int3406_thermal_match[] = {
+	{"INT3406", 0},
+	{}
+};
+
+MODULE_DEVICE_TABLE(acpi, int3406_thermal_match);
+
+static struct platform_driver int3406_thermal_driver = {
+	.probe = int3406_thermal_probe,
+	.remove = int3406_thermal_remove,
+	.driver = {
+		   .name = "int3406 thermal",
+		   .owner = THIS_MODULE,
+		   .acpi_match_table = int3406_thermal_match,
+		   },
+};
+
+module_platform_driver(int3406_thermal_driver);
+
+MODULE_DESCRIPTION("INT3406 Thermal driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c
index 14718a9..460c855 100644
--- a/drivers/usb/core/port.c
+++ b/drivers/usb/core/port.c
@@ -249,18 +249,12 @@
 
 	return retval;
 }
-
-static int usb_port_prepare(struct device *dev)
-{
-	return 1;
-}
 #endif
 
 static const struct dev_pm_ops usb_port_pm_ops = {
 #ifdef CONFIG_PM
 	.runtime_suspend =	usb_port_runtime_suspend,
 	.runtime_resume =	usb_port_runtime_resume,
-	.prepare =		usb_port_prepare,
 #endif
 };
 
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index dcb85e3..479187c3 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -312,13 +312,7 @@
 
 static int usb_dev_prepare(struct device *dev)
 {
-	struct usb_device *udev = to_usb_device(dev);
-
-	/* Return 0 if the current wakeup setting is wrong, otherwise 1 */
-	if (udev->do_remote_wakeup != device_may_wakeup(dev))
-		return 0;
-
-	return 1;
+	return 0;		/* Implement eventually? */
 }
 
 static void usb_dev_complete(struct device *dev)
diff --git a/drivers/usb/musb/jz4740.c b/drivers/usb/musb/jz4740.c
index 5e5a8fa..bc88899 100644
--- a/drivers/usb/musb/jz4740.c
+++ b/drivers/usb/musb/jz4740.c
@@ -83,9 +83,9 @@
 {
 	usb_phy_generic_register();
 	musb->xceiv = usb_get_phy(USB_PHY_TYPE_USB2);
-	if (!musb->xceiv) {
+	if (IS_ERR(musb->xceiv)) {
 		pr_err("HS UDC: no transceiver configured\n");
-		return -ENODEV;
+		return PTR_ERR(musb->xceiv);
 	}
 
 	/* Silicon does not implement ConfigData register.
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index 87bd578..152865b 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1164,12 +1164,12 @@
 		musb_writew(epio, MUSB_RXMAXP, 0);
 	}
 
-	musb_ep->desc = NULL;
-	musb_ep->end_point.desc = NULL;
-
 	/* abort all pending DMA and requests */
 	nuke(musb_ep, -ESHUTDOWN);
 
+	musb_ep->desc = NULL;
+	musb_ep->end_point.desc = NULL;
+
 	schedule_work(&musb->irq_work);
 
 	spin_unlock_irqrestore(&(musb->lock), flags);
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 58487a4..2f8ad7f 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -2735,7 +2735,7 @@
 	.description		= "musb-hcd",
 	.product_desc		= "MUSB HDRC host driver",
 	.hcd_priv_size		= sizeof(struct musb *),
-	.flags			= HCD_USB2 | HCD_MEMORY | HCD_BH,
+	.flags			= HCD_USB2 | HCD_MEMORY,
 
 	/* not using irq handler or reset hooks from usbcore, since
 	 * those must be shared with peripheral code for OTG configs
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index dd47823..7c9f25e 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -109,6 +109,7 @@
 	{ USB_DEVICE(0x10C4, 0x826B) }, /* Cygnal Integrated Products, Inc., Fasttrax GPS demonstration module */
 	{ USB_DEVICE(0x10C4, 0x8281) }, /* Nanotec Plug & Drive */
 	{ USB_DEVICE(0x10C4, 0x8293) }, /* Telegesis ETRX2USB */
+	{ USB_DEVICE(0x10C4, 0x82F4) }, /* Starizona MicroTouch */
 	{ USB_DEVICE(0x10C4, 0x82F9) }, /* Procyon AVS */
 	{ USB_DEVICE(0x10C4, 0x8341) }, /* Siemens MC35PU GPRS Modem */
 	{ USB_DEVICE(0x10C4, 0x8382) }, /* Cygnal Integrated Products, Inc. */
@@ -118,6 +119,7 @@
 	{ USB_DEVICE(0x10C4, 0x8418) }, /* IRZ Automation Teleport SG-10 GSM/GPRS Modem */
 	{ USB_DEVICE(0x10C4, 0x846E) }, /* BEI USB Sensor Interface (VCP) */
 	{ USB_DEVICE(0x10C4, 0x8477) }, /* Balluff RFID */
+	{ USB_DEVICE(0x10C4, 0x84B6) }, /* Starizona Hyperion */
 	{ USB_DEVICE(0x10C4, 0x85EA) }, /* AC-Services IBUS-IF */
 	{ USB_DEVICE(0x10C4, 0x85EB) }, /* AC-Services CIS-IBUS */
 	{ USB_DEVICE(0x10C4, 0x85F8) }, /* Virtenio Preon32 */
@@ -141,6 +143,8 @@
 	{ USB_DEVICE(0x10C4, 0xF004) }, /* Elan Digital Systems USBcount50 */
 	{ USB_DEVICE(0x10C5, 0xEA61) }, /* Silicon Labs MobiData GPRS USB Modem */
 	{ USB_DEVICE(0x10CE, 0xEA6A) }, /* Silicon Labs MobiData GPRS USB Modem 100EU */
+	{ USB_DEVICE(0x12B8, 0xEC60) }, /* Link G4 ECU */
+	{ USB_DEVICE(0x12B8, 0xEC62) }, /* Link G4+ ECU */
 	{ USB_DEVICE(0x13AD, 0x9999) }, /* Baltech card reader */
 	{ USB_DEVICE(0x1555, 0x0004) }, /* Owen AC4 USB-RS485 Converter */
 	{ USB_DEVICE(0x166A, 0x0201) }, /* Clipsal 5500PACA C-Bus Pascal Automation Controller */
diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c
index bddc8b1..288318a 100644
--- a/drivers/video/backlight/backlight.c
+++ b/drivers/video/backlight/backlight.c
@@ -164,6 +164,30 @@
 	return sprintf(buf, "%d\n", bd->props.brightness);
 }
 
+int backlight_device_set_brightness(struct backlight_device *bd,
+				    unsigned long brightness)
+{
+	int rc = -ENXIO;
+
+	mutex_lock(&bd->ops_lock);
+	if (bd->ops) {
+		if (brightness > bd->props.max_brightness)
+			rc = -EINVAL;
+		else {
+			pr_debug("set brightness to %lu\n", brightness);
+			bd->props.brightness = brightness;
+			backlight_update_status(bd);
+			rc = 0;
+		}
+	}
+	mutex_unlock(&bd->ops_lock);
+
+	backlight_generate_event(bd, BACKLIGHT_UPDATE_SYSFS);
+
+	return rc;
+}
+EXPORT_SYMBOL(backlight_device_set_brightness);
+
 static ssize_t brightness_store(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {
@@ -175,24 +199,9 @@
 	if (rc)
 		return rc;
 
-	rc = -ENXIO;
+	rc = backlight_device_set_brightness(bd, brightness);
 
-	mutex_lock(&bd->ops_lock);
-	if (bd->ops) {
-		if (brightness > bd->props.max_brightness)
-			rc = -EINVAL;
-		else {
-			pr_debug("set brightness to %lu\n", brightness);
-			bd->props.brightness = brightness;
-			backlight_update_status(bd);
-			rc = count;
-		}
-	}
-	mutex_unlock(&bd->ops_lock);
-
-	backlight_generate_event(bd, BACKLIGHT_UPDATE_SYSFS);
-
-	return rc;
+	return rc ? rc : count;
 }
 static DEVICE_ATTR_RW(brightness);
 
@@ -380,7 +389,7 @@
 }
 EXPORT_SYMBOL(backlight_device_register);
 
-bool backlight_device_registered(enum backlight_type type)
+struct backlight_device *backlight_device_get_by_type(enum backlight_type type)
 {
 	bool found = false;
 	struct backlight_device *bd;
@@ -394,9 +403,9 @@
 	}
 	mutex_unlock(&backlight_dev_list_mutex);
 
-	return found;
+	return found ? bd : NULL;
 }
-EXPORT_SYMBOL(backlight_device_registered);
+EXPORT_SYMBOL(backlight_device_get_by_type);
 
 /**
  * backlight_device_unregister - unregisters a backlight device object.
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 5c802d4..ca6bfdd 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -1006,7 +1006,7 @@
 	const char *name)
 {
 	struct virtqueue *vq;
-	void *queue;
+	void *queue = NULL;
 	dma_addr_t dma_addr;
 	size_t queue_size_in_bytes;
 	struct vring vring;
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index 9781e0d..d46839f5 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -151,6 +151,8 @@
 static void balloon_process(struct work_struct *work);
 static DECLARE_DELAYED_WORK(balloon_worker, balloon_process);
 
+static void release_memory_resource(struct resource *resource);
+
 /* When ballooning out (allocating memory to return to Xen) we don't really
    want the kernel to try too hard since that can trigger the oom killer. */
 #define GFP_BALLOON \
@@ -267,6 +269,20 @@
 		return NULL;
 	}
 
+#ifdef CONFIG_SPARSEMEM
+	{
+		unsigned long limit = 1UL << (MAX_PHYSMEM_BITS - PAGE_SHIFT);
+		unsigned long pfn = res->start >> PAGE_SHIFT;
+
+		if (pfn > limit) {
+			pr_err("New System RAM resource outside addressable RAM (%lu > %lu)\n",
+			       pfn, limit);
+			release_memory_resource(res);
+			return NULL;
+		}
+	}
+#endif
+
 	return res;
 }
 
diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c
index 38272ad..f4edd6d 100644
--- a/drivers/xen/evtchn.c
+++ b/drivers/xen/evtchn.c
@@ -316,7 +316,6 @@
 {
 	unsigned int new_size;
 	evtchn_port_t *new_ring, *old_ring;
-	unsigned int p, c;
 
 	/*
 	 * Ensure the ring is large enough to capture all possible
@@ -346,20 +345,17 @@
 	/*
 	 * Copy the old ring contents to the new ring.
 	 *
-	 * If the ring contents crosses the end of the current ring,
-	 * it needs to be copied in two chunks.
+	 * To take care of wrapping, a full ring, and the new index
+	 * pointing into the second half, simply copy the old contents
+	 * twice.
 	 *
 	 * +---------+    +------------------+
-	 * |34567  12| -> |       1234567    |
-	 * +-----p-c-+    +------------------+
+	 * |34567  12| -> |34567  1234567  12|
+	 * +-----p-c-+    +-------c------p---+
 	 */
-	p = evtchn_ring_offset(u, u->ring_prod);
-	c = evtchn_ring_offset(u, u->ring_cons);
-	if (p < c) {
-		memcpy(new_ring + c, u->ring + c, (u->ring_size - c) * sizeof(*u->ring));
-		memcpy(new_ring + u->ring_size, u->ring, p * sizeof(*u->ring));
-	} else
-		memcpy(new_ring + c, u->ring + c, (p - c) * sizeof(*u->ring));
+	memcpy(new_ring, old_ring, u->ring_size * sizeof(*u->ring));
+	memcpy(new_ring + u->ring_size, old_ring,
+	       u->ring_size * sizeof(*u->ring));
 
 	u->ring = new_ring;
 	u->ring_size = new_size;
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 719924d..dcad5e2 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1295,7 +1295,7 @@
 
 	*nbytesp = nbytes;
 
-	return ret;
+	return ret < 0 ? ret : 0;
 }
 
 static inline int fuse_iter_npages(const struct iov_iter *ii_p)
diff --git a/fs/pnode.c b/fs/pnode.c
index c524fdd..9989970 100644
--- a/fs/pnode.c
+++ b/fs/pnode.c
@@ -198,7 +198,7 @@
 
 /* all accesses are serialized by namespace_sem */
 static struct user_namespace *user_ns;
-static struct mount *last_dest, *last_source, *dest_master;
+static struct mount *last_dest, *first_source, *last_source, *dest_master;
 static struct mountpoint *mp;
 static struct hlist_head *list;
 
@@ -221,20 +221,22 @@
 		type = CL_MAKE_SHARED;
 	} else {
 		struct mount *n, *p;
+		bool done;
 		for (n = m; ; n = p) {
 			p = n->mnt_master;
-			if (p == dest_master || IS_MNT_MARKED(p)) {
-				while (last_dest->mnt_master != p) {
-					last_source = last_source->mnt_master;
-					last_dest = last_source->mnt_parent;
-				}
-				if (!peers(n, last_dest)) {
-					last_source = last_source->mnt_master;
-					last_dest = last_source->mnt_parent;
-				}
+			if (p == dest_master || IS_MNT_MARKED(p))
 				break;
-			}
 		}
+		do {
+			struct mount *parent = last_source->mnt_parent;
+			if (last_source == first_source)
+				break;
+			done = parent->mnt_master == p;
+			if (done && peers(n, parent))
+				break;
+			last_source = last_source->mnt_master;
+		} while (!done);
+
 		type = CL_SLAVE;
 		/* beginning of peer group among the slaves? */
 		if (IS_MNT_SHARED(m))
@@ -286,6 +288,7 @@
 	 */
 	user_ns = current->nsproxy->mnt_ns->user_ns;
 	last_dest = dest_mnt;
+	first_source = source_mnt;
 	last_source = source_mnt;
 	mp = dest_mp;
 	list = tree_list;
diff --git a/fs/proc/base.c b/fs/proc/base.c
index b1755b2..92e37e2 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -955,7 +955,8 @@
 	struct mm_struct *mm = file->private_data;
 	unsigned long env_start, env_end;
 
-	if (!mm)
+	/* Ensure the process spawned far enough to have an environment. */
+	if (!mm || !mm->env_end)
 		return 0;
 
 	page = (char *)__get_free_page(GFP_TEMPORARY);
diff --git a/fs/udf/super.c b/fs/udf/super.c
index fa92fe8..36661ac 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -919,14 +919,14 @@
 #endif
 	}
 
-	ret = udf_CS0toUTF8(outstr, 31, pvoldesc->volIdent, 32);
+	ret = udf_dstrCS0toUTF8(outstr, 31, pvoldesc->volIdent, 32);
 	if (ret < 0)
 		goto out_bh;
 
 	strncpy(UDF_SB(sb)->s_volume_ident, outstr, ret);
 	udf_debug("volIdent[] = '%s'\n", UDF_SB(sb)->s_volume_ident);
 
-	ret = udf_CS0toUTF8(outstr, 127, pvoldesc->volSetIdent, 128);
+	ret = udf_dstrCS0toUTF8(outstr, 127, pvoldesc->volSetIdent, 128);
 	if (ret < 0)
 		goto out_bh;
 
diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
index 972b706..263829e 100644
--- a/fs/udf/udfdecl.h
+++ b/fs/udf/udfdecl.h
@@ -212,7 +212,7 @@
 			    uint8_t *, int);
 extern int udf_put_filename(struct super_block *, const uint8_t *, int,
 			    uint8_t *, int);
-extern int udf_CS0toUTF8(uint8_t *, int, const uint8_t *, int);
+extern int udf_dstrCS0toUTF8(uint8_t *, int, const uint8_t *, int);
 
 /* ialloc.c */
 extern void udf_free_inode(struct inode *);
diff --git a/fs/udf/unicode.c b/fs/udf/unicode.c
index 3ff42f4..695389a 100644
--- a/fs/udf/unicode.c
+++ b/fs/udf/unicode.c
@@ -335,9 +335,21 @@
 	return u_len;
 }
 
-int udf_CS0toUTF8(uint8_t *utf_o, int o_len, const uint8_t *ocu_i, int i_len)
+int udf_dstrCS0toUTF8(uint8_t *utf_o, int o_len,
+		      const uint8_t *ocu_i, int i_len)
 {
-	return udf_name_from_CS0(utf_o, o_len, ocu_i, i_len,
+	int s_len = 0;
+
+	if (i_len > 0) {
+		s_len = ocu_i[i_len - 1];
+		if (s_len >= i_len) {
+			pr_err("incorrect dstring lengths (%d/%d)\n",
+			       s_len, i_len);
+			return -EINVAL;
+		}
+	}
+
+	return udf_name_from_CS0(utf_o, o_len, ocu_i, s_len,
 				 udf_uni2char_utf8, 0);
 }
 
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 14362a8..3a93250 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -394,13 +394,13 @@
 
 static inline bool is_acpi_node(struct fwnode_handle *fwnode)
 {
-	return fwnode && (fwnode->type == FWNODE_ACPI
+	return !IS_ERR_OR_NULL(fwnode) && (fwnode->type == FWNODE_ACPI
 		|| fwnode->type == FWNODE_ACPI_DATA);
 }
 
 static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)
 {
-	return fwnode && fwnode->type == FWNODE_ACPI;
+	return !IS_ERR_OR_NULL(fwnode) && fwnode->type == FWNODE_ACPI;
 }
 
 static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h
index d1e34d1..562603d 100644
--- a/include/acpi/acpiosxf.h
+++ b/include/acpi/acpiosxf.h
@@ -96,7 +96,7 @@
 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_predefined_override
 acpi_status
 acpi_os_predefined_override(const struct acpi_predefined_names *init_val,
-			    char **new_val);
+			    acpi_string *new_val);
 #endif
 
 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_table_override
@@ -108,7 +108,7 @@
 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_physical_table_override
 acpi_status
 acpi_os_physical_table_override(struct acpi_table_header *existing_table,
-				acpi_physical_address * new_address,
+				acpi_physical_address *new_address,
 				u32 *new_table_length);
 #endif
 
@@ -203,7 +203,7 @@
 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_physical_address
 acpi_status
 acpi_os_get_physical_address(void *logical_address,
-			     acpi_physical_address * physical_address);
+			     acpi_physical_address *physical_address);
 #endif
 
 /*
@@ -379,14 +379,14 @@
 acpi_os_get_table_by_name(char *signature,
 			  u32 instance,
 			  struct acpi_table_header **table,
-			  acpi_physical_address * address);
+			  acpi_physical_address *address);
 #endif
 
 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_index
 acpi_status
 acpi_os_get_table_by_index(u32 index,
 			   struct acpi_table_header **table,
-			   u32 *instance, acpi_physical_address * address);
+			   u32 *instance, acpi_physical_address *address);
 #endif
 
 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_address
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 1755697..4e4c214 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -46,7 +46,7 @@
 
 /* Current ACPICA subsystem version in YYYYMMDD format */
 
-#define ACPI_CA_VERSION                 0x20160108
+#define ACPI_CA_VERSION                 0x20160422
 
 #include <acpi/acconfig.h>
 #include <acpi/actypes.h>
@@ -192,7 +192,7 @@
 /*
  * Optionally support group module level code.
  */
-ACPI_INIT_GLOBAL(u8, acpi_gbl_group_module_level_code, TRUE);
+ACPI_INIT_GLOBAL(u8, acpi_gbl_group_module_level_code, FALSE);
 
 /*
  * Optionally use 32-bit FADT addresses if and when there is a conflict
@@ -484,8 +484,8 @@
 ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init acpi_reallocate_root_table(void))
 
 ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init
-			    acpi_find_root_pointer(acpi_physical_address *
-						   rsdp_address))
+			    acpi_find_root_pointer(acpi_physical_address
+						   *rsdp_address))
 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 			     acpi_get_table_header(acpi_string signature,
 						   u32 instance,
@@ -530,7 +530,7 @@
 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 			     acpi_get_handle(acpi_handle parent,
 					     acpi_string pathname,
-					     acpi_handle * ret_handle))
+					     acpi_handle *ret_handle))
 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 			     acpi_attach_data(acpi_handle object,
 					      acpi_object_handler handler,
@@ -575,15 +575,15 @@
 			    acpi_get_next_object(acpi_object_type type,
 						 acpi_handle parent,
 						 acpi_handle child,
-						 acpi_handle * out_handle))
+						 acpi_handle *out_handle))
 
 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 			    acpi_get_type(acpi_handle object,
-					  acpi_object_type * out_type))
+					  acpi_object_type *out_type))
 
 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 			    acpi_get_parent(acpi_handle object,
-					    acpi_handle * out_handle))
+					    acpi_handle *out_handle))
 
 /*
  * Handler interfaces
@@ -755,7 +755,7 @@
 
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				acpi_get_gpe_device(u32 gpe_index,
-						    acpi_handle * gpe_device))
+						    acpi_handle *gpe_device))
 
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				acpi_install_gpe_block(acpi_handle gpe_device,
@@ -771,8 +771,8 @@
  * Resource interfaces
  */
 typedef
-acpi_status(*acpi_walk_resource_callback) (struct acpi_resource * resource,
-					   void *context);
+acpi_status (*acpi_walk_resource_callback) (struct acpi_resource * resource,
+					    void *context);
 
 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 			    acpi_get_vendor_resource(acpi_handle device,
@@ -938,7 +938,8 @@
 ACPI_APP_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(1)
 				void ACPI_INTERNAL_VAR_XFACE
 				acpi_log_error(const char *format, ...))
- acpi_status acpi_initialize_debugger(void);
+
+acpi_status acpi_initialize_debugger(void);
 
 void acpi_terminate_debugger(void);
 
diff --git a/include/acpi/acrestyp.h b/include/acpi/acrestyp.h
index cf2acb8..16c18928 100644
--- a/include/acpi/acrestyp.h
+++ b/include/acpi/acrestyp.h
@@ -417,6 +417,7 @@
 	u8                                      type; \
 	u8                                      producer_consumer;   /* For values, see Producer/Consumer above */\
 	u8                                      slave_mode; \
+	u8                                      connection_sharing; \
 	u8                                      type_revision_id; \
 	u16                                     type_data_length; \
 	u16                                     vendor_length; \
diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h
index 0cb1a00..c19700e 100644
--- a/include/acpi/actbl.h
+++ b/include/acpi/actbl.h
@@ -223,7 +223,7 @@
 /*******************************************************************************
  *
  * FADT - Fixed ACPI Description Table (Signature "FACP")
- *        Version 4
+ *        Version 6
  *
  ******************************************************************************/
 
@@ -413,4 +413,6 @@
 #define ACPI_FADT_V5_SIZE       (u32) (ACPI_FADT_OFFSET (hypervisor_id))
 #define ACPI_FADT_V6_SIZE       (u32) (sizeof (struct acpi_table_fadt))
 
+#define ACPI_FADT_CONFORMANCE   "ACPI 6.1 (FADT version 6)"
+
 #endif				/* __ACTBL_H__ */
diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
index 16e0136..796d6ba 100644
--- a/include/acpi/actbl1.h
+++ b/include/acpi/actbl1.h
@@ -236,7 +236,8 @@
 	ACPI_EINJ_CHECK_BUSY_STATUS = 6,
 	ACPI_EINJ_GET_COMMAND_STATUS = 7,
 	ACPI_EINJ_SET_ERROR_TYPE_WITH_ADDRESS = 8,
-	ACPI_EINJ_ACTION_RESERVED = 9,	/* 9 and greater are reserved */
+	ACPI_EINJ_GET_EXECUTE_TIMINGS = 9,
+	ACPI_EINJ_ACTION_RESERVED = 10,	/* 10 and greater are reserved */
 	ACPI_EINJ_TRIGGER_ERROR = 0xFF	/* Except for this value */
 };
 
@@ -348,7 +349,8 @@
 	ACPI_ERST_GET_ERROR_RANGE = 13,
 	ACPI_ERST_GET_ERROR_LENGTH = 14,
 	ACPI_ERST_GET_ERROR_ATTRIBUTES = 15,
-	ACPI_ERST_ACTION_RESERVED = 16	/* 16 and greater are reserved */
+	ACPI_ERST_EXECUTE_TIMINGS = 16,
+	ACPI_ERST_ACTION_RESERVED = 17	/* 17 and greater are reserved */
 };
 
 /* Values for Instruction field above */
@@ -427,7 +429,8 @@
 	ACPI_HEST_TYPE_AER_ENDPOINT = 7,
 	ACPI_HEST_TYPE_AER_BRIDGE = 8,
 	ACPI_HEST_TYPE_GENERIC_ERROR = 9,
-	ACPI_HEST_TYPE_RESERVED = 10	/* 10 and greater are reserved */
+	ACPI_HEST_TYPE_GENERIC_ERROR_V2 = 10,
+	ACPI_HEST_TYPE_RESERVED = 11	/* 11 and greater are reserved */
 };
 
 /*
@@ -506,7 +509,11 @@
 	ACPI_HEST_NOTIFY_NMI = 4,
 	ACPI_HEST_NOTIFY_CMCI = 5,	/* ACPI 5.0 */
 	ACPI_HEST_NOTIFY_MCE = 6,	/* ACPI 5.0 */
-	ACPI_HEST_NOTIFY_RESERVED = 7	/* 7 and greater are reserved */
+	ACPI_HEST_NOTIFY_GPIO = 7,	/* ACPI 6.0 */
+	ACPI_HEST_NOTIFY_SEA = 8,	/* ACPI 6.1 */
+	ACPI_HEST_NOTIFY_SEI = 9,	/* ACPI 6.1 */
+	ACPI_HEST_NOTIFY_GSIV = 10,	/* ACPI 6.1 */
+	ACPI_HEST_NOTIFY_RESERVED = 11	/* 11 and greater are reserved */
 };
 
 /* Values for config_write_enable bitfield above */
@@ -603,6 +610,24 @@
 	u32 error_block_length;
 };
 
+/* 10: Generic Hardware Error Source, version 2 */
+
+struct acpi_hest_generic_v2 {
+	struct acpi_hest_header header;
+	u16 related_source_id;
+	u8 reserved;
+	u8 enabled;
+	u32 records_to_preallocate;
+	u32 max_sections_per_record;
+	u32 max_raw_data_length;
+	struct acpi_generic_address error_status_address;
+	struct acpi_hest_notify notify;
+	u32 error_block_length;
+	struct acpi_generic_address read_ack_register;
+	u64 read_ack_preserve;
+	u64 read_ack_write;
+};
+
 /* Generic Error Status block */
 
 struct acpi_hest_generic_status {
@@ -634,6 +659,33 @@
 	u8 fru_text[20];
 };
 
+/* Extension for revision 0x0300 */
+
+struct acpi_hest_generic_data_v300 {
+	u8 section_type[16];
+	u32 error_severity;
+	u16 revision;
+	u8 validation_bits;
+	u8 flags;
+	u32 error_data_length;
+	u8 fru_id[16];
+	u8 fru_text[20];
+	u64 time_stamp;
+};
+
+/* Values for error_severity above */
+
+#define ACPI_HEST_GEN_ERROR_RECOVERABLE     0
+#define ACPI_HEST_GEN_ERROR_FATAL           1
+#define ACPI_HEST_GEN_ERROR_CORRECTED       2
+#define ACPI_HEST_GEN_ERROR_NONE            3
+
+/* Flags for validation_bits above */
+
+#define ACPI_HEST_GEN_VALID_FRU_ID          (1)
+#define ACPI_HEST_GEN_VALID_FRU_STRING      (1<<1)
+#define ACPI_HEST_GEN_VALID_TIMESTAMP       (1<<2)
+
 /*******************************************************************************
  *
  * MADT - Multiple APIC Description Table
@@ -934,7 +986,7 @@
 
 /*******************************************************************************
  *
- * NFIT - NVDIMM Interface Table (ACPI 6.0)
+ * NFIT - NVDIMM Interface Table (ACPI 6.0+)
  *        Version 1
  *
  ******************************************************************************/
@@ -1015,6 +1067,7 @@
 #define ACPI_NFIT_MEM_NOT_ARMED         (1<<3)	/* 03: Memory Device is not armed */
 #define ACPI_NFIT_MEM_HEALTH_OBSERVED   (1<<4)	/* 04: Memory Device observed SMART/health events */
 #define ACPI_NFIT_MEM_HEALTH_ENABLED    (1<<5)	/* 05: SMART/health events enabled */
+#define ACPI_NFIT_MEM_MAP_FAILED        (1<<6)	/* 06: Mapping to SPA failed */
 
 /* 2: Interleave Structure */
 
@@ -1046,7 +1099,10 @@
 	u16 subsystem_vendor_id;
 	u16 subsystem_device_id;
 	u16 subsystem_revision_id;
-	u8 reserved[6];		/* Reserved, must be zero */
+	u8 valid_fields;
+	u8 manufacturing_location;
+	u16 manufacturing_date;
+	u8 reserved[2];		/* Reserved, must be zero */
 	u32 serial_number;
 	u16 code;
 	u16 windows;
@@ -1061,7 +1117,11 @@
 
 /* Flags */
 
-#define ACPI_NFIT_CONTROL_BUFFERED      (1)	/* Block Data Windows implementation is buffered */
+#define ACPI_NFIT_CONTROL_BUFFERED          (1)	/* Block Data Windows implementation is buffered */
+
+/* valid_fields bits */
+
+#define ACPI_NFIT_CONTROL_MFG_INFO_VALID    (1)	/* Manufacturing fields are valid */
 
 /* 5: NVDIMM Block Data Window Region Structure */
 
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index a4ef625..c93dbad 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -321,7 +321,7 @@
  * DBG2 - Debug Port Table 2
  *        Version 0 (Both main table and subtables)
  *
- * Conforms to "Microsoft Debug Port Table 2 (DBG2)", May 22 2012.
+ * Conforms to "Microsoft Debug Port Table 2 (DBG2)", December 10, 2015
  *
  ******************************************************************************/
 
@@ -371,6 +371,11 @@
 
 #define ACPI_DBG2_16550_COMPATIBLE  0x0000
 #define ACPI_DBG2_16550_SUBSET      0x0001
+#define ACPI_DBG2_ARM_PL011         0x0003
+#define ACPI_DBG2_ARM_SBSA_32BIT    0x000D
+#define ACPI_DBG2_ARM_SBSA_GENERIC  0x000E
+#define ACPI_DBG2_ARM_DCC           0x000F
+#define ACPI_DBG2_BCM2835           0x0010
 
 #define ACPI_DBG2_1394_STANDARD     0x0000
 
@@ -399,7 +404,7 @@
  *        Version 1
  *
  * Conforms to "Intel Virtualization Technology for Directed I/O",
- * Version 2.2, Sept. 2013
+ * Version 2.3, October 2014
  *
  ******************************************************************************/
 
@@ -413,6 +418,8 @@
 /* Masks for Flags field above */
 
 #define ACPI_DMAR_INTR_REMAP        (1)
+#define ACPI_DMAR_X2APIC_OPT_OUT    (1<<1)
+#define ACPI_DMAR_X2APIC_MODE       (1<<2)
 
 /* DMAR subtable header */
 
@@ -655,7 +662,7 @@
  * IORT - IO Remapping Table
  *
  * Conforms to "IO Remapping Table System Software on ARM Platforms",
- * Document number: ARM DEN 0049A, 2015
+ * Document number: ARM DEN 0049B, October 2015
  *
  ******************************************************************************/
 
@@ -685,7 +692,8 @@
 	ACPI_IORT_NODE_ITS_GROUP = 0x00,
 	ACPI_IORT_NODE_NAMED_COMPONENT = 0x01,
 	ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02,
-	ACPI_IORT_NODE_SMMU = 0x03
+	ACPI_IORT_NODE_SMMU = 0x03,
+	ACPI_IORT_NODE_SMMU_V3 = 0x04
 };
 
 struct acpi_iort_id_mapping {
@@ -775,6 +783,23 @@
 #define ACPI_IORT_SMMU_DVM_SUPPORTED    (1)
 #define ACPI_IORT_SMMU_COHERENT_WALK    (1<<1)
 
+struct acpi_iort_smmu_v3 {
+	u64 base_address;	/* SMMUv3 base address */
+	u32 flags;
+	u32 reserved;
+	u64 vatos_address;
+	u32 model;		/* O: generic SMMUv3 */
+	u32 event_gsiv;
+	u32 pri_gsiv;
+	u32 gerr_gsiv;
+	u32 sync_gsiv;
+};
+
+/* Masks for Flags field above */
+
+#define ACPI_IORT_SMMU_V3_COHACC_OVERRIDE   (1)
+#define ACPI_IORT_SMMU_V3_HTTU_OVERRIDE     (1<<1)
+
 /*******************************************************************************
  *
  * IVRS - I/O Virtualization Reporting Structure
@@ -1102,10 +1127,10 @@
 /*******************************************************************************
  *
  * SPCR - Serial Port Console Redirection table
- *        Version 1
+ *        Version 2
  *
  * Conforms to "Serial Port Console Redirection Table",
- * Version 1.00, January 11, 2002
+ * Version 1.03, August 10, 2015
  *
  ******************************************************************************/
 
@@ -1137,6 +1162,8 @@
 
 #define ACPI_SPCR_DO_NOT_DISABLE    (1)
 
+/* Values for Interface Type: See the definition of the DBG2 table */
+
 /*******************************************************************************
  *
  * SPMI - Server Platform Management Interface table
diff --git a/include/acpi/actbl3.h b/include/acpi/actbl3.h
index ddf5e66..ebc1f4f 100644
--- a/include/acpi/actbl3.h
+++ b/include/acpi/actbl3.h
@@ -184,7 +184,7 @@
 	struct acpi_table_header header;	/* Common ACPI table header */
 };
 
-/* FPDT subtable header */
+/* FPDT subtable header (Performance Record Structure) */
 
 struct acpi_fpdt_header {
 	u16 type;
@@ -205,6 +205,57 @@
 
 /* 0: Firmware Basic Boot Performance Record */
 
+struct acpi_fpdt_boot_pointer {
+	struct acpi_fpdt_header header;
+	u8 reserved[4];
+	u64 address;
+};
+
+/* 1: S3 Performance Table Pointer Record */
+
+struct acpi_fpdt_s3pt_pointer {
+	struct acpi_fpdt_header header;
+	u8 reserved[4];
+	u64 address;
+};
+
+/*
+ * S3PT - S3 Performance Table. This table is pointed to by the
+ * S3 Pointer Record above.
+ */
+struct acpi_table_s3pt {
+	u8 signature[4];	/* "S3PT" */
+	u32 length;
+};
+
+/*
+ * S3PT Subtables (Not part of the actual FPDT)
+ */
+
+/* Values for Type field in S3PT header */
+
+enum acpi_s3pt_type {
+	ACPI_S3PT_TYPE_RESUME = 0,
+	ACPI_S3PT_TYPE_SUSPEND = 1,
+	ACPI_FPDT_BOOT_PERFORMANCE = 2
+};
+
+struct acpi_s3pt_resume {
+	struct acpi_fpdt_header header;
+	u32 resume_count;
+	u64 full_resume;
+	u64 average_resume;
+};
+
+struct acpi_s3pt_suspend {
+	struct acpi_fpdt_header header;
+	u64 suspend_start;
+	u64 suspend_end;
+};
+
+/*
+ * FPDT Boot Performance Record (Not part of the actual FPDT)
+ */
 struct acpi_fpdt_boot {
 	struct acpi_fpdt_header header;
 	u8 reserved[4];
@@ -215,52 +266,6 @@
 	u64 exit_services_exit;
 };
 
-/* 1: S3 Performance Table Pointer Record */
-
-struct acpi_fpdt_s3pt_ptr {
-	struct acpi_fpdt_header header;
-	u8 reserved[4];
-	u64 address;
-};
-
-/*
- * S3PT - S3 Performance Table. This table is pointed to by the
- * FPDT S3 Pointer Record above.
- */
-struct acpi_table_s3pt {
-	u8 signature[4];	/* "S3PT" */
-	u32 length;
-};
-
-/*
- * S3PT Subtables
- */
-struct acpi_s3pt_header {
-	u16 type;
-	u8 length;
-	u8 revision;
-};
-
-/* Values for Type field above */
-
-enum acpi_s3pt_type {
-	ACPI_S3PT_TYPE_RESUME = 0,
-	ACPI_S3PT_TYPE_SUSPEND = 1
-};
-
-struct acpi_s3pt_resume {
-	struct acpi_s3pt_header header;
-	u32 resume_count;
-	u64 full_resume;
-	u64 average_resume;
-};
-
-struct acpi_s3pt_suspend {
-	struct acpi_s3pt_header header;
-	u64 suspend_start;
-	u64 suspend_end;
-};
-
 /*******************************************************************************
  *
  * GTDT - Generic Timer Description Table (ACPI 5.1)
@@ -476,7 +481,8 @@
 enum acpi_pcct_type {
 	ACPI_PCCT_TYPE_GENERIC_SUBSPACE = 0,
 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE = 1,
-	ACPI_PCCT_TYPE_RESERVED = 2	/* 2 and greater are reserved */
+	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE_TYPE2 = 2,	/* ACPI 6.1 */
+	ACPI_PCCT_TYPE_RESERVED = 3	/* 3 and greater are reserved */
 };
 
 /*
@@ -515,6 +521,26 @@
 	u16 min_turnaround_time;
 };
 
+/* 2: HW-reduced Communications Subspace Type 2 (ACPI 6.1) */
+
+struct acpi_pcct_hw_reduced_type2 {
+	struct acpi_subtable_header header;
+	u32 doorbell_interrupt;
+	u8 flags;
+	u8 reserved;
+	u64 base_address;
+	u64 length;
+	struct acpi_generic_address doorbell_register;
+	u64 preserve_mask;
+	u64 write_mask;
+	u32 latency;
+	u32 max_access_rate;
+	u16 min_turnaround_time;
+	struct acpi_generic_address doorbell_ack_register;
+	u64 ack_preserve_mask;
+	u64 ack_write_mask;
+};
+
 /* Values for doorbell flags above */
 
 #define ACPI_PCCT_INTERRUPT_POLARITY    (1)
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index db46546..cb389ef 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -630,7 +630,8 @@
 #define ACPI_NOTIFY_SHUTDOWN_REQUEST    (u8) 0x0C
 #define ACPI_NOTIFY_AFFINITY_UPDATE     (u8) 0x0D
 
-#define ACPI_NOTIFY_MAX                 0x0D
+#define ACPI_GENERIC_NOTIFY_MAX         0x0D
+#define ACPI_SPECIFIC_NOTIFY_MAX        0x84
 
 /*
  * Types associated with ACPI names and objects. The first group of
@@ -892,7 +893,7 @@
 
 /* Sleep function dispatch */
 
-typedef acpi_status(*acpi_sleep_function) (u8 sleep_state);
+typedef acpi_status (*acpi_sleep_function) (u8 sleep_state);
 
 struct acpi_sleep_functions {
 	acpi_sleep_function legacy_function;
@@ -994,7 +995,7 @@
  * Predefined Namespace items
  */
 struct acpi_predefined_names {
-	char *name;
+	const char *name;
 	u8 type;
 	char *val;
 };
@@ -1071,20 +1072,21 @@
 typedef
 void (*acpi_object_handler) (acpi_handle object, void *data);
 
-typedef acpi_status(*acpi_init_handler) (acpi_handle object, u32 function);
+typedef
+acpi_status (*acpi_init_handler) (acpi_handle object, u32 function);
 
 #define ACPI_INIT_DEVICE_INI        1
 
 typedef
-acpi_status(*acpi_exception_handler) (acpi_status aml_status,
-				      acpi_name name,
-				      u16 opcode,
-				      u32 aml_offset, void *context);
+acpi_status (*acpi_exception_handler) (acpi_status aml_status,
+				       acpi_name name,
+				       u16 opcode,
+				       u32 aml_offset, void *context);
 
 /* Table Event handler (Load, load_table, etc.) and types */
 
 typedef
-acpi_status(*acpi_table_handler) (u32 event, void *table, void *context);
+acpi_status (*acpi_table_handler) (u32 event, void *table, void *context);
 
 #define ACPI_TABLE_LOAD             0x0
 #define ACPI_TABLE_UNLOAD           0x1
@@ -1093,12 +1095,12 @@
 /* Address Spaces (For Operation Regions) */
 
 typedef
-acpi_status(*acpi_adr_space_handler) (u32 function,
-				      acpi_physical_address address,
-				      u32 bit_width,
-				      u64 *value,
-				      void *handler_context,
-				      void *region_context);
+acpi_status (*acpi_adr_space_handler) (u32 function,
+				       acpi_physical_address address,
+				       u32 bit_width,
+				       u64 *value,
+				       void *handler_context,
+				       void *region_context);
 
 #define ACPI_DEFAULT_HANDLER            NULL
 
@@ -1111,18 +1113,18 @@
 };
 
 typedef
-acpi_status(*acpi_adr_space_setup) (acpi_handle region_handle,
-				    u32 function,
-				    void *handler_context,
-				    void **region_context);
+acpi_status (*acpi_adr_space_setup) (acpi_handle region_handle,
+				     u32 function,
+				     void *handler_context,
+				     void **region_context);
 
 #define ACPI_REGION_ACTIVATE    0
 #define ACPI_REGION_DEACTIVATE  1
 
 typedef
-acpi_status(*acpi_walk_callback) (acpi_handle object,
-				  u32 nesting_level,
-				  void *context, void **return_value);
+acpi_status (*acpi_walk_callback) (acpi_handle object,
+				   u32 nesting_level,
+				   void *context, void **return_value);
 
 typedef
 u32 (*acpi_interface_handler) (acpi_string interface_name, u32 supported);
@@ -1227,7 +1229,7 @@
  * struct acpi_memory_list is used only if the ACPICA local cache is enabled
  */
 struct acpi_memory_list {
-	char *list_name;
+	const char *list_name;
 	void *list_head;
 	u16 object_size;
 	u16 max_depth;
diff --git a/include/acpi/platform/acenv.h b/include/acpi/platform/acenv.h
index 7c0595b..86b5a84 100644
--- a/include/acpi/platform/acenv.h
+++ b/include/acpi/platform/acenv.h
@@ -66,17 +66,28 @@
  *
  *****************************************************************************/
 
+/* Common application configuration. All single threaded except for acpi_exec. */
+
+#if (defined ACPI_ASL_COMPILER) || \
+	(defined ACPI_BIN_APP)      || \
+	(defined ACPI_DUMP_APP)     || \
+	(defined ACPI_HELP_APP)     || \
+	(defined ACPI_NAMES_APP)    || \
+	(defined ACPI_SRC_APP)      || \
+	(defined ACPI_XTRACT_APP)   || \
+	(defined ACPI_EXAMPLE_APP)
+#define ACPI_APPLICATION
+#define ACPI_SINGLE_THREADED
+#endif
+
 /* iASL configuration */
 
 #ifdef ACPI_ASL_COMPILER
-#define ACPI_APPLICATION
 #define ACPI_DEBUG_OUTPUT
 #define ACPI_CONSTANT_EVAL_ONLY
 #define ACPI_LARGE_NAMESPACE_NODE
 #define ACPI_DATA_TABLE_DISASSEMBLY
-#define ACPI_SINGLE_THREADED
 #define ACPI_32BIT_PHYSICAL_ADDRESS
-
 #define ACPI_DISASSEMBLER 1
 #endif
 
@@ -89,21 +100,6 @@
 #define ACPI_DBG_TRACK_ALLOCATIONS
 #endif
 
-/*
- * acpi_bin/acpi_dump/acpi_help/acpi_names/acpi_src/acpi_xtract/Example
- * configuration. All single threaded.
- */
-#if (defined ACPI_BIN_APP)      || \
-	(defined ACPI_DUMP_APP)     || \
-	(defined ACPI_HELP_APP)     || \
-	(defined ACPI_NAMES_APP)    || \
-	(defined ACPI_SRC_APP)      || \
-	(defined ACPI_XTRACT_APP)   || \
-	(defined ACPI_EXAMPLE_APP)
-#define ACPI_APPLICATION
-#define ACPI_SINGLE_THREADED
-#endif
-
 /* acpi_help configuration. Error messages disabled. */
 
 #ifdef ACPI_HELP_APP
@@ -138,11 +134,16 @@
 #define ACPI_REDUCED_HARDWARE 1
 #endif
 
-/* Linkable ACPICA library */
+/* Linkable ACPICA library. Two versions, one with full debug. */
 
 #ifdef ACPI_LIBRARY
 #define ACPI_USE_LOCAL_CACHE
-#define ACPI_FULL_DEBUG
+#define ACPI_DEBUGGER 1
+#define ACPI_DISASSEMBLER 1
+
+#ifdef _DEBUG
+#define ACPI_DEBUG_OUTPUT
+#endif
 #endif
 
 /* Common for all ACPICA applications */
@@ -218,6 +219,9 @@
 #elif defined(__HAIKU__)
 #include "achaiku.h"
 
+#elif defined(__QNX__)
+#include "acqnx.h"
+
 #else
 
 /* Unknown environment */
diff --git a/include/acpi/platform/acmsvcex.h b/include/acpi/platform/acmsvcex.h
deleted file mode 100644
index 28084a1..0000000
--- a/include/acpi/platform/acmsvcex.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/******************************************************************************
- *
- * Name: acmsvcex.h - Extra VC specific defines, etc.
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2016, Intel Corp.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions, and the following disclaimer,
- *    without modification.
- * 2. Redistributions in binary form must reproduce at minimum a disclaimer
- *    substantially similar to the "NO WARRANTY" disclaimer below
- *    ("Disclaimer") and any redistribution must be conditioned upon
- *    including a substantially similar Disclaimer requirement for further
- *    binary redistribution.
- * 3. Neither the names of the above-listed copyright holders nor the names
- *    of any contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- *
- * NO WARRANTY
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES.
- */
-
-#ifndef __ACMSVCEX_H__
-#define __ACMSVCEX_H__
-
-/* Debug support. */
-
-#ifdef _DEBUG
-#define _CRTDBG_MAP_ALLOC	/* Enables specific file/lineno for leaks */
-#include <crtdbg.h>
-#endif
-
-#endif				/* __ACMSVCEX_H__ */
diff --git a/include/acpi/platform/acwinex.h b/include/acpi/platform/acwinex.h
deleted file mode 100644
index a00b3e4..0000000
--- a/include/acpi/platform/acwinex.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/******************************************************************************
- *
- * Name: acwinex.h - Extra OS specific defines, etc.
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2016, Intel Corp.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions, and the following disclaimer,
- *    without modification.
- * 2. Redistributions in binary form must reproduce at minimum a disclaimer
- *    substantially similar to the "NO WARRANTY" disclaimer below
- *    ("Disclaimer") and any redistribution must be conditioned upon
- *    including a substantially similar Disclaimer requirement for further
- *    binary redistribution.
- * 3. Neither the names of the above-listed copyright holders nor the names
- *    of any contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- *
- * NO WARRANTY
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES.
- */
-
-#ifndef __ACWINEX_H__
-#define __ACWINEX_H__
-
-/* Windows uses VC */
-
-#endif				/* __ACWINEX_H__ */
diff --git a/include/acpi/video.h b/include/acpi/video.h
index 5ca2f2c..70a41f7 100644
--- a/include/acpi/video.h
+++ b/include/acpi/video.h
@@ -4,6 +4,19 @@
 #include <linux/errno.h> /* for ENODEV */
 #include <linux/types.h> /* for bool */
 
+struct acpi_video_brightness_flags {
+	u8 _BCL_no_ac_battery_levels:1;	/* no AC/Battery levels in _BCL */
+	u8 _BCL_reversed:1;		/* _BCL package is in a reversed order */
+	u8 _BQC_use_index:1;		/* _BQC returns an index value */
+};
+
+struct acpi_video_device_brightness {
+	int curr;
+	int count;
+	int *levels;
+	struct acpi_video_brightness_flags flags;
+};
+
 struct acpi_device;
 
 #define ACPI_VIDEO_CLASS	"video"
@@ -37,6 +50,8 @@
  * may change over time and should not be cached.
  */
 extern bool acpi_video_handles_brightness_key_presses(void);
+extern int acpi_video_get_levels(struct acpi_device *device,
+				 struct acpi_video_device_brightness **dev_br);
 #else
 static inline int acpi_video_register(void) { return 0; }
 static inline void acpi_video_unregister(void) { return; }
@@ -56,6 +71,11 @@
 {
 	return false;
 }
+static inline int acpi_video_get_levels(struct acpi_device *device,
+			struct acpi_video_device_brightness **dev_br)
+{
+	return -ENODEV;
+}
 #endif
 
 #endif
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 58f707a..b25690b 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -190,14 +190,6 @@
 }
 #endif
 
-#ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
-void acpi_initrd_override(void *data, size_t size);
-#else
-static inline void acpi_initrd_override(void *data, size_t size)
-{
-}
-#endif
-
 #define BAD_MADT_ENTRY(entry, end) (					    \
 		(!entry) || (unsigned long)entry + sizeof(*entry) > end ||  \
 		((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
@@ -216,6 +208,7 @@
 int acpi_mps_check (void);
 int acpi_numa_init (void);
 
+void early_acpi_table_init(void *data, size_t size);
 int acpi_table_init (void);
 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
 int __init acpi_parse_entries(char *id, unsigned long table_size,
@@ -278,6 +271,7 @@
 extern u32 acpi_irq_handled;
 extern u32 acpi_irq_not_handled;
 extern unsigned int acpi_sci_irq;
+extern bool acpi_no_s5;
 #define INVALID_ACPI_IRQ	((unsigned)-1)
 static inline bool acpi_sci_irq_valid(void)
 {
@@ -595,6 +589,7 @@
 	return NULL;
 }
 
+static inline void early_acpi_table_init(void *data, size_t size) { }
 static inline void acpi_early_init(void) { }
 static inline void acpi_subsystem_init(void) { }
 
diff --git a/include/linux/backlight.h b/include/linux/backlight.h
index 1e7a69a..5f2fd61 100644
--- a/include/linux/backlight.h
+++ b/include/linux/backlight.h
@@ -141,9 +141,10 @@
 					struct backlight_device *bd);
 extern void backlight_force_update(struct backlight_device *bd,
 				   enum backlight_update_reason reason);
-extern bool backlight_device_registered(enum backlight_type type);
 extern int backlight_register_notifier(struct notifier_block *nb);
 extern int backlight_unregister_notifier(struct notifier_block *nb);
+extern struct backlight_device *backlight_device_get_by_type(enum backlight_type type);
+extern int backlight_device_set_brightness(struct backlight_device *bd, unsigned long brightness);
 
 #define to_backlight_device(obj) container_of(obj, struct backlight_device, dev)
 
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 21ee41b..f1d5c5ac 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -171,12 +171,13 @@
 void bpf_register_map_type(struct bpf_map_type_list *tl);
 
 struct bpf_prog *bpf_prog_get(u32 ufd);
+struct bpf_prog *bpf_prog_inc(struct bpf_prog *prog);
 void bpf_prog_put(struct bpf_prog *prog);
 void bpf_prog_put_rcu(struct bpf_prog *prog);
 
 struct bpf_map *bpf_map_get_with_uref(u32 ufd);
 struct bpf_map *__bpf_map_get(struct fd f);
-void bpf_map_inc(struct bpf_map *map, bool uref);
+struct bpf_map *bpf_map_inc(struct bpf_map *map, bool uref);
 void bpf_map_put_with_uref(struct bpf_map *map);
 void bpf_map_put(struct bpf_map *map);
 int bpf_map_precharge_memlock(u32 pages);
diff --git a/include/linux/hash.h b/include/linux/hash.h
index 1afde47e..79c52fa 100644
--- a/include/linux/hash.h
+++ b/include/linux/hash.h
@@ -32,12 +32,28 @@
 #error Wordsize not 32 or 64
 #endif
 
+/*
+ * The above primes are actively bad for hashing, since they are
+ * too sparse. The 32-bit one is mostly ok, the 64-bit one causes
+ * real problems. Besides, the "prime" part is pointless for the
+ * multiplicative hash.
+ *
+ * Although a random odd number will do, it turns out that the golden
+ * ratio phi = (sqrt(5)-1)/2, or its negative, has particularly nice
+ * properties.
+ *
+ * These are the negative, (1 - phi) = (phi^2) = (3 - sqrt(5))/2.
+ * (See Knuth vol 3, section 6.4, exercise 9.)
+ */
+#define GOLDEN_RATIO_32 0x61C88647
+#define GOLDEN_RATIO_64 0x61C8864680B583EBull
+
 static __always_inline u64 hash_64(u64 val, unsigned int bits)
 {
 	u64 hash = val;
 
-#if defined(CONFIG_ARCH_HAS_FAST_MULTIPLIER) && BITS_PER_LONG == 64
-	hash = hash * GOLDEN_RATIO_PRIME_64;
+#if BITS_PER_LONG == 64
+	hash = hash * GOLDEN_RATIO_64;
 #else
 	/*  Sigh, gcc can't optimise this alone like it does for 32 bits. */
 	u64 n = hash;
diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h
index d556973..548fd53 100644
--- a/include/linux/if_ether.h
+++ b/include/linux/if_ether.h
@@ -28,6 +28,11 @@
 	return (struct ethhdr *)skb_mac_header(skb);
 }
 
+static inline struct ethhdr *inner_eth_hdr(const struct sk_buff *skb)
+{
+	return (struct ethhdr *)skb_inner_mac_header(skb);
+}
+
 int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr);
 
 extern ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len);
diff --git a/include/linux/net.h b/include/linux/net.h
index 49175e4c..f840d77 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -246,7 +246,15 @@
 	net_ratelimited_function(pr_warn, fmt, ##__VA_ARGS__)
 #define net_info_ratelimited(fmt, ...)				\
 	net_ratelimited_function(pr_info, fmt, ##__VA_ARGS__)
-#if defined(DEBUG)
+#if defined(CONFIG_DYNAMIC_DEBUG)
+#define net_dbg_ratelimited(fmt, ...)					\
+do {									\
+	DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);			\
+	if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT) &&	\
+	    net_ratelimit())						\
+		__dynamic_pr_debug(&descriptor, fmt, ##__VA_ARGS__);	\
+} while (0)
+#elif defined(DEBUG)
 #define net_dbg_ratelimited(fmt, ...)				\
 	net_ratelimited_function(pr_debug, fmt, ##__VA_ARGS__)
 #else
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 8395308..b3c46b0 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -4004,7 +4004,7 @@
 
 static inline bool net_gso_ok(netdev_features_t features, int gso_type)
 {
-	netdev_features_t feature = gso_type << NETIF_F_GSO_SHIFT;
+	netdev_features_t feature = (netdev_features_t)gso_type << NETIF_F_GSO_SHIFT;
 
 	/* check flags correspondence */
 	BUILD_BUG_ON(SKB_GSO_TCPV4   != (NETIF_F_TSO >> NETIF_F_GSO_SHIFT));
diff --git a/include/linux/of.h b/include/linux/of.h
index 7fcb681..3175803 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -133,7 +133,7 @@
 
 static inline bool is_of_node(struct fwnode_handle *fwnode)
 {
-	return fwnode && fwnode->type == FWNODE_OF;
+	return !IS_ERR_OR_NULL(fwnode) && fwnode->type == FWNODE_OF;
 }
 
 static inline struct device_node *to_of_node(struct fwnode_handle *fwnode)
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index f4ed4f1b..6b052aa 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -517,6 +517,27 @@
 }
 
 /*
+ * PageTransCompoundMap is the same as PageTransCompound, but it also
+ * guarantees the primary MMU has the entire compound page mapped
+ * through pmd_trans_huge, which in turn guarantees the secondary MMUs
+ * can also map the entire compound page. This allows the secondary
+ * MMUs to call get_user_pages() only once for each compound page and
+ * to immediately map the entire compound page with a single secondary
+ * MMU fault. If there will be a pmd split later, the secondary MMUs
+ * will get an update through the MMU notifier invalidation through
+ * split_huge_pmd().
+ *
+ * Unlike PageTransCompound, this is safe to be called only while
+ * split_huge_pmd() cannot run from under us, like if protected by the
+ * MMU notifier, otherwise it may result in page->_mapcount < 0 false
+ * positives.
+ */
+static inline int PageTransCompoundMap(struct page *page)
+{
+	return PageTransCompound(page) && atomic_read(&page->_mapcount) < 0;
+}
+
+/*
  * PageTransTail returns true for both transparent huge pages
  * and hugetlbfs pages, so it should only be called when it's known
  * that hugetlbfs pages aren't involved.
@@ -559,6 +580,7 @@
 #else
 TESTPAGEFLAG_FALSE(TransHuge)
 TESTPAGEFLAG_FALSE(TransCompound)
+TESTPAGEFLAG_FALSE(TransCompoundMap)
 TESTPAGEFLAG_FALSE(TransTail)
 TESTPAGEFLAG_FALSE(DoubleMap)
 	TESTSETFLAG_FALSE(DoubleMap)
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 2b83359..0a4cd47 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -533,6 +533,10 @@
 #ifdef CONFIG_MEMCG
 static inline int mem_cgroup_swappiness(struct mem_cgroup *memcg)
 {
+	/* Cgroup2 doesn't have per-cgroup swappiness */
+	if (cgroup_subsys_on_dfl(memory_cgrp_subsys))
+		return vm_swappiness;
+
 	/* root ? */
 	if (mem_cgroup_disabled() || !memcg->css.parent)
 		return vm_swappiness;
diff --git a/include/net/vxlan.h b/include/net/vxlan.h
index 73ed2e9..35437c7 100644
--- a/include/net/vxlan.h
+++ b/include/net/vxlan.h
@@ -252,7 +252,9 @@
 	    (skb->inner_protocol_type != ENCAP_TYPE_ETHER ||
 	     skb->inner_protocol != htons(ETH_P_TEB) ||
 	     (skb_inner_mac_header(skb) - skb_transport_header(skb) !=
-	      sizeof(struct udphdr) + sizeof(struct vxlanhdr))))
+	      sizeof(struct udphdr) + sizeof(struct vxlanhdr)) ||
+	     (skb->ip_summed != CHECKSUM_NONE &&
+	      !can_checksum_protocol(features, inner_eth_hdr(skb)->h_proto))))
 		return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
 
 	return features;
diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
index 6e0f5f0..c51afb7 100644
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h
@@ -718,9 +718,9 @@
 #define __NR_copy_file_range 285
 __SYSCALL(__NR_copy_file_range, sys_copy_file_range)
 #define __NR_preadv2 286
-__SYSCALL(__NR_preadv2, sys_preadv2)
+__SC_COMP(__NR_preadv2, sys_preadv2, compat_sys_preadv2)
 #define __NR_pwritev2 287
-__SYSCALL(__NR_pwritev2, sys_pwritev2)
+__SC_COMP(__NR_pwritev2, sys_pwritev2, compat_sys_pwritev2)
 
 #undef __NR_syscalls
 #define __NR_syscalls 288
diff --git a/include/linux/rio_mport_cdev.h b/include/uapi/linux/rio_mport_cdev.h
similarity index 73%
rename from include/linux/rio_mport_cdev.h
rename to include/uapi/linux/rio_mport_cdev.h
index b65d19d..5796bf1 100644
--- a/include/linux/rio_mport_cdev.h
+++ b/include/uapi/linux/rio_mport_cdev.h
@@ -39,16 +39,16 @@
 #ifndef _RIO_MPORT_CDEV_H_
 #define _RIO_MPORT_CDEV_H_
 
-#ifndef __user
-#define __user
-#endif
+#include <linux/ioctl.h>
+#include <linux/types.h>
 
 struct rio_mport_maint_io {
-	uint32_t rioid;		/* destID of remote device */
-	uint32_t hopcount;	/* hopcount to remote device */
-	uint32_t offset;	/* offset in register space */
-	size_t length;		/* length in bytes */
-	void __user *buffer;	/* data buffer */
+	__u16 rioid;		/* destID of remote device */
+	__u8  hopcount;		/* hopcount to remote device */
+	__u8  pad0[5];
+	__u32 offset;		/* offset in register space */
+	__u32 length;		/* length in bytes */
+	__u64 buffer;		/* pointer to data buffer */
 };
 
 /*
@@ -66,22 +66,23 @@
 #define RIO_CAP_MAP_INB			(1 << 7)
 
 struct rio_mport_properties {
-	uint16_t hdid;
-	uint8_t id;			/* Physical port ID */
-	uint8_t  index;
-	uint32_t flags;
-	uint32_t sys_size;		/* Default addressing size */
-	uint8_t  port_ok;
-	uint8_t  link_speed;
-	uint8_t  link_width;
-	uint32_t dma_max_sge;
-	uint32_t dma_max_size;
-	uint32_t dma_align;
-	uint32_t transfer_mode;		/* Default transfer mode */
-	uint32_t cap_sys_size;		/* Capable system sizes */
-	uint32_t cap_addr_size;		/* Capable addressing sizes */
-	uint32_t cap_transfer_mode;	/* Capable transfer modes */
-	uint32_t cap_mport;		/* Mport capabilities */
+	__u16 hdid;
+	__u8  id;			/* Physical port ID */
+	__u8  index;
+	__u32 flags;
+	__u32 sys_size;		/* Default addressing size */
+	__u8  port_ok;
+	__u8  link_speed;
+	__u8  link_width;
+	__u8  pad0;
+	__u32 dma_max_sge;
+	__u32 dma_max_size;
+	__u32 dma_align;
+	__u32 transfer_mode;		/* Default transfer mode */
+	__u32 cap_sys_size;		/* Capable system sizes */
+	__u32 cap_addr_size;		/* Capable addressing sizes */
+	__u32 cap_transfer_mode;	/* Capable transfer modes */
+	__u32 cap_mport;		/* Mport capabilities */
 };
 
 /*
@@ -93,54 +94,57 @@
 #define RIO_PORTWRITE	(1 << 1)
 
 struct rio_doorbell {
-	uint32_t rioid;
-	uint16_t payload;
+	__u16 rioid;
+	__u16 payload;
 };
 
 struct rio_doorbell_filter {
-	uint32_t rioid;			/* 0xffffffff to match all ids */
-	uint16_t low;
-	uint16_t high;
+	__u16 rioid;	/* Use RIO_INVALID_DESTID to match all ids */
+	__u16 low;
+	__u16 high;
+	__u16 pad0;
 };
 
 
 struct rio_portwrite {
-	uint32_t payload[16];
+	__u32 payload[16];
 };
 
 struct rio_pw_filter {
-	uint32_t mask;
-	uint32_t low;
-	uint32_t high;
+	__u32 mask;
+	__u32 low;
+	__u32 high;
+	__u32 pad0;
 };
 
 /* RapidIO base address for inbound requests set to value defined below
  * indicates that no specific RIO-to-local address translation is requested
  * and driver should use direct (one-to-one) address mapping.
 */
-#define RIO_MAP_ANY_ADDR	(uint64_t)(~((uint64_t) 0))
+#define RIO_MAP_ANY_ADDR	(__u64)(~((__u64) 0))
 
 struct rio_mmap {
-	uint32_t rioid;
-	uint64_t rio_addr;
-	uint64_t length;
-	uint64_t handle;
-	void *address;
+	__u16 rioid;
+	__u16 pad0[3];
+	__u64 rio_addr;
+	__u64 length;
+	__u64 handle;
+	__u64 address;
 };
 
 struct rio_dma_mem {
-	uint64_t length;		/* length of DMA memory */
-	uint64_t dma_handle;		/* handle associated with this memory */
-	void *buffer;			/* pointer to this memory */
+	__u64 length;		/* length of DMA memory */
+	__u64 dma_handle;	/* handle associated with this memory */
+	__u64 address;
 };
 
-
 struct rio_event {
-	unsigned int header;	/* event type RIO_DOORBELL or RIO_PORTWRITE */
+	__u32 header;	/* event type RIO_DOORBELL or RIO_PORTWRITE */
 	union {
 		struct rio_doorbell doorbell;	/* header for RIO_DOORBELL */
 		struct rio_portwrite portwrite; /* header for RIO_PORTWRITE */
 	} u;
+	__u32 pad0;
 };
 
 enum rio_transfer_sync {
@@ -184,35 +188,37 @@
 };
 
 struct rio_transfer_io {
-	uint32_t rioid;			/* Target destID */
-	uint64_t rio_addr;		/* Address in target's RIO mem space */
-	enum rio_exchange method;	/* Data exchange method */
-	void __user *loc_addr;
-	uint64_t handle;
-	uint64_t offset;		/* Offset in buffer */
-	uint64_t length;		/* Length in bytes */
-	uint32_t completion_code;	/* Completion code for this transfer */
+	__u64 rio_addr;	/* Address in target's RIO mem space */
+	__u64 loc_addr;
+	__u64 handle;
+	__u64 offset;	/* Offset in buffer */
+	__u64 length;	/* Length in bytes */
+	__u16 rioid;	/* Target destID */
+	__u16 method;	/* Data exchange method, one of rio_exchange enum */
+	__u32 completion_code;	/* Completion code for this transfer */
 };
 
 struct rio_transaction {
-	uint32_t transfer_mode;		/* Data transfer mode */
-	enum rio_transfer_sync sync;	/* Synchronization method */
-	enum rio_transfer_dir dir;	/* Transfer direction */
-	size_t count;			/* Number of transfers */
-	struct rio_transfer_io __user *block;	/* Array of <count> transfers */
+	__u64 block;	/* Pointer to array of <count> transfers */
+	__u32 count;	/* Number of transfers */
+	__u32 transfer_mode;	/* Data transfer mode */
+	__u16 sync;	/* Synch method, one of rio_transfer_sync enum */
+	__u16 dir;	/* Transfer direction, one of rio_transfer_dir enum */
+	__u32 pad0;
 };
 
 struct rio_async_tx_wait {
-	uint32_t token;		/* DMA transaction ID token */
-	uint32_t timeout;	/* Wait timeout in msec, if 0 use default TO */
+	__u32 token;	/* DMA transaction ID token */
+	__u32 timeout;	/* Wait timeout in msec, if 0 use default TO */
 };
 
 #define RIO_MAX_DEVNAME_SZ	20
 
 struct rio_rdev_info {
-	uint32_t destid;
-	uint8_t hopcount;
-	uint32_t comptag;
+	__u16 destid;
+	__u8 hopcount;
+	__u8 pad0;
+	__u32 comptag;
 	char name[RIO_MAX_DEVNAME_SZ + 1];
 };
 
@@ -220,11 +226,11 @@
 #define RIO_MPORT_DRV_MAGIC           'm'
 
 #define RIO_MPORT_MAINT_HDID_SET	\
-	_IOW(RIO_MPORT_DRV_MAGIC, 1, uint16_t)
+	_IOW(RIO_MPORT_DRV_MAGIC, 1, __u16)
 #define RIO_MPORT_MAINT_COMPTAG_SET	\
-	_IOW(RIO_MPORT_DRV_MAGIC, 2, uint32_t)
+	_IOW(RIO_MPORT_DRV_MAGIC, 2, __u32)
 #define RIO_MPORT_MAINT_PORT_IDX_GET	\
-	_IOR(RIO_MPORT_DRV_MAGIC, 3, uint32_t)
+	_IOR(RIO_MPORT_DRV_MAGIC, 3, __u32)
 #define RIO_MPORT_GET_PROPERTIES \
 	_IOR(RIO_MPORT_DRV_MAGIC, 4, struct rio_mport_properties)
 #define RIO_MPORT_MAINT_READ_LOCAL \
@@ -244,9 +250,9 @@
 #define RIO_DISABLE_PORTWRITE_RANGE	\
 	_IOW(RIO_MPORT_DRV_MAGIC, 12, struct rio_pw_filter)
 #define RIO_SET_EVENT_MASK		\
-	_IOW(RIO_MPORT_DRV_MAGIC, 13, unsigned int)
+	_IOW(RIO_MPORT_DRV_MAGIC, 13, __u32)
 #define RIO_GET_EVENT_MASK		\
-	_IOR(RIO_MPORT_DRV_MAGIC, 14, unsigned int)
+	_IOR(RIO_MPORT_DRV_MAGIC, 14, __u32)
 #define RIO_MAP_OUTBOUND \
 	_IOWR(RIO_MPORT_DRV_MAGIC, 15, struct rio_mmap)
 #define RIO_UNMAP_OUTBOUND \
@@ -254,11 +260,11 @@
 #define RIO_MAP_INBOUND \
 	_IOWR(RIO_MPORT_DRV_MAGIC, 17, struct rio_mmap)
 #define RIO_UNMAP_INBOUND \
-	_IOW(RIO_MPORT_DRV_MAGIC, 18, uint64_t)
+	_IOW(RIO_MPORT_DRV_MAGIC, 18, __u64)
 #define RIO_ALLOC_DMA \
 	_IOWR(RIO_MPORT_DRV_MAGIC, 19, struct rio_dma_mem)
 #define RIO_FREE_DMA \
-	_IOW(RIO_MPORT_DRV_MAGIC, 20, uint64_t)
+	_IOW(RIO_MPORT_DRV_MAGIC, 20, __u64)
 #define RIO_TRANSFER \
 	_IOWR(RIO_MPORT_DRV_MAGIC, 21, struct rio_transaction)
 #define RIO_WAIT_FOR_ASYNC \
diff --git a/include/uapi/linux/swab.h b/include/uapi/linux/swab.h
index 3f10e53..8f3a8f6 100644
--- a/include/uapi/linux/swab.h
+++ b/include/uapi/linux/swab.h
@@ -45,9 +45,7 @@
 
 static inline __attribute_const__ __u16 __fswab16(__u16 val)
 {
-#ifdef __HAVE_BUILTIN_BSWAP16__
-	return __builtin_bswap16(val);
-#elif defined (__arch_swab16)
+#if defined (__arch_swab16)
 	return __arch_swab16(val);
 #else
 	return ___constant_swab16(val);
@@ -56,9 +54,7 @@
 
 static inline __attribute_const__ __u32 __fswab32(__u32 val)
 {
-#ifdef __HAVE_BUILTIN_BSWAP32__
-	return __builtin_bswap32(val);
-#elif defined(__arch_swab32)
+#if defined(__arch_swab32)
 	return __arch_swab32(val);
 #else
 	return ___constant_swab32(val);
@@ -67,9 +63,7 @@
 
 static inline __attribute_const__ __u64 __fswab64(__u64 val)
 {
-#ifdef __HAVE_BUILTIN_BSWAP64__
-	return __builtin_bswap64(val);
-#elif defined (__arch_swab64)
+#if defined (__arch_swab64)
 	return __arch_swab64(val);
 #elif defined(__SWAB_64_THRU_32__)
 	__u32 h = val >> 32;
@@ -102,28 +96,40 @@
  * __swab16 - return a byteswapped 16-bit value
  * @x: value to byteswap
  */
+#ifdef __HAVE_BUILTIN_BSWAP16__
+#define __swab16(x) (__u16)__builtin_bswap16((__u16)(x))
+#else
 #define __swab16(x)				\
 	(__builtin_constant_p((__u16)(x)) ?	\
 	___constant_swab16(x) :			\
 	__fswab16(x))
+#endif
 
 /**
  * __swab32 - return a byteswapped 32-bit value
  * @x: value to byteswap
  */
+#ifdef __HAVE_BUILTIN_BSWAP32__
+#define __swab32(x) (__u32)__builtin_bswap32((__u32)(x))
+#else
 #define __swab32(x)				\
 	(__builtin_constant_p((__u32)(x)) ?	\
 	___constant_swab32(x) :			\
 	__fswab32(x))
+#endif
 
 /**
  * __swab64 - return a byteswapped 64-bit value
  * @x: value to byteswap
  */
+#ifdef __HAVE_BUILTIN_BSWAP64__
+#define __swab64(x) (__u64)__builtin_bswap64((__u64)(x))
+#else
 #define __swab64(x)				\
 	(__builtin_constant_p((__u64)(x)) ?	\
 	___constant_swab64(x) :			\
 	__fswab64(x))
+#endif
 
 /**
  * __swahw32 - return a word-swapped 32-bit value
diff --git a/include/xen/page.h b/include/xen/page.h
index 96294ac..9dc46cb 100644
--- a/include/xen/page.h
+++ b/include/xen/page.h
@@ -15,9 +15,9 @@
  */
 
 #define xen_pfn_to_page(xen_pfn)	\
-	((pfn_to_page(((unsigned long)(xen_pfn) << XEN_PAGE_SHIFT) >> PAGE_SHIFT)))
+	(pfn_to_page((unsigned long)(xen_pfn) >> (PAGE_SHIFT - XEN_PAGE_SHIFT)))
 #define page_to_xen_pfn(page)		\
-	(((page_to_pfn(page)) << PAGE_SHIFT) >> XEN_PAGE_SHIFT)
+	((page_to_pfn(page)) << (PAGE_SHIFT - XEN_PAGE_SHIFT))
 
 #define XEN_PFN_PER_PAGE	(PAGE_SIZE / XEN_PAGE_SIZE)
 
diff --git a/kernel/bpf/inode.c b/kernel/bpf/inode.c
index f2ece3c..8f94ca1 100644
--- a/kernel/bpf/inode.c
+++ b/kernel/bpf/inode.c
@@ -31,10 +31,10 @@
 {
 	switch (type) {
 	case BPF_TYPE_PROG:
-		atomic_inc(&((struct bpf_prog *)raw)->aux->refcnt);
+		raw = bpf_prog_inc(raw);
 		break;
 	case BPF_TYPE_MAP:
-		bpf_map_inc(raw, true);
+		raw = bpf_map_inc(raw, true);
 		break;
 	default:
 		WARN_ON_ONCE(1);
@@ -297,7 +297,8 @@
 		goto out;
 
 	raw = bpf_any_get(inode->i_private, *type);
-	touch_atime(&path);
+	if (!IS_ERR(raw))
+		touch_atime(&path);
 
 	path_put(&path);
 	return raw;
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index adc5e4b..cf5e9f7 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -218,11 +218,18 @@
 	return f.file->private_data;
 }
 
-void bpf_map_inc(struct bpf_map *map, bool uref)
+/* prog's and map's refcnt limit */
+#define BPF_MAX_REFCNT 32768
+
+struct bpf_map *bpf_map_inc(struct bpf_map *map, bool uref)
 {
-	atomic_inc(&map->refcnt);
+	if (atomic_inc_return(&map->refcnt) > BPF_MAX_REFCNT) {
+		atomic_dec(&map->refcnt);
+		return ERR_PTR(-EBUSY);
+	}
 	if (uref)
 		atomic_inc(&map->usercnt);
+	return map;
 }
 
 struct bpf_map *bpf_map_get_with_uref(u32 ufd)
@@ -234,7 +241,7 @@
 	if (IS_ERR(map))
 		return map;
 
-	bpf_map_inc(map, true);
+	map = bpf_map_inc(map, true);
 	fdput(f);
 
 	return map;
@@ -658,6 +665,15 @@
 	return f.file->private_data;
 }
 
+struct bpf_prog *bpf_prog_inc(struct bpf_prog *prog)
+{
+	if (atomic_inc_return(&prog->aux->refcnt) > BPF_MAX_REFCNT) {
+		atomic_dec(&prog->aux->refcnt);
+		return ERR_PTR(-EBUSY);
+	}
+	return prog;
+}
+
 /* called by sockets/tracing/seccomp before attaching program to an event
  * pairs with bpf_prog_put()
  */
@@ -670,7 +686,7 @@
 	if (IS_ERR(prog))
 		return prog;
 
-	atomic_inc(&prog->aux->refcnt);
+	prog = bpf_prog_inc(prog);
 	fdput(f);
 
 	return prog;
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index db2574e..c5c17a6 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -239,16 +239,6 @@
 	[CONST_IMM]		= "imm",
 };
 
-static const struct {
-	int map_type;
-	int func_id;
-} func_limit[] = {
-	{BPF_MAP_TYPE_PROG_ARRAY, BPF_FUNC_tail_call},
-	{BPF_MAP_TYPE_PERF_EVENT_ARRAY, BPF_FUNC_perf_event_read},
-	{BPF_MAP_TYPE_PERF_EVENT_ARRAY, BPF_FUNC_perf_event_output},
-	{BPF_MAP_TYPE_STACK_TRACE, BPF_FUNC_get_stackid},
-};
-
 static void print_verifier_state(struct verifier_env *env)
 {
 	enum bpf_reg_type t;
@@ -921,27 +911,52 @@
 
 static int check_map_func_compatibility(struct bpf_map *map, int func_id)
 {
-	bool bool_map, bool_func;
-	int i;
-
 	if (!map)
 		return 0;
 
-	for (i = 0; i < ARRAY_SIZE(func_limit); i++) {
-		bool_map = (map->map_type == func_limit[i].map_type);
-		bool_func = (func_id == func_limit[i].func_id);
-		/* only when map & func pair match it can continue.
-		 * don't allow any other map type to be passed into
-		 * the special func;
-		 */
-		if (bool_func && bool_map != bool_func) {
-			verbose("cannot pass map_type %d into func %d\n",
-				map->map_type, func_id);
-			return -EINVAL;
-		}
+	/* We need a two way check, first is from map perspective ... */
+	switch (map->map_type) {
+	case BPF_MAP_TYPE_PROG_ARRAY:
+		if (func_id != BPF_FUNC_tail_call)
+			goto error;
+		break;
+	case BPF_MAP_TYPE_PERF_EVENT_ARRAY:
+		if (func_id != BPF_FUNC_perf_event_read &&
+		    func_id != BPF_FUNC_perf_event_output)
+			goto error;
+		break;
+	case BPF_MAP_TYPE_STACK_TRACE:
+		if (func_id != BPF_FUNC_get_stackid)
+			goto error;
+		break;
+	default:
+		break;
+	}
+
+	/* ... and second from the function itself. */
+	switch (func_id) {
+	case BPF_FUNC_tail_call:
+		if (map->map_type != BPF_MAP_TYPE_PROG_ARRAY)
+			goto error;
+		break;
+	case BPF_FUNC_perf_event_read:
+	case BPF_FUNC_perf_event_output:
+		if (map->map_type != BPF_MAP_TYPE_PERF_EVENT_ARRAY)
+			goto error;
+		break;
+	case BPF_FUNC_get_stackid:
+		if (map->map_type != BPF_MAP_TYPE_STACK_TRACE)
+			goto error;
+		break;
+	default:
+		break;
 	}
 
 	return 0;
+error:
+	verbose("cannot pass map_type %d into func %d\n",
+		map->map_type, func_id);
+	return -EINVAL;
 }
 
 static int check_call(struct verifier_env *env, int func_id)
@@ -2049,15 +2064,18 @@
 				return -E2BIG;
 			}
 
-			/* remember this map */
-			env->used_maps[env->used_map_cnt++] = map;
-
 			/* hold the map. If the program is rejected by verifier,
 			 * the map will be released by release_maps() or it
 			 * will be used by the valid program until it's unloaded
 			 * and all maps are released in free_bpf_prog_info()
 			 */
-			bpf_map_inc(map, false);
+			map = bpf_map_inc(map, false);
+			if (IS_ERR(map)) {
+				fdput(f);
+				return PTR_ERR(map);
+			}
+			env->used_maps[env->used_map_cnt++] = map;
+
 			fdput(f);
 next_insn:
 			insn++;
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 8b489fc..d1f7149 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -596,17 +596,8 @@
 		return false;
 
 	/*
-	 * FIFO realtime policy runs the highest priority task (after DEADLINE).
-	 * Other runnable tasks are of a lower priority. The scheduler tick
-	 * isn't needed.
-	 */
-	fifo_nr_running = rq->rt.rt_nr_running - rq->rt.rr_nr_running;
-	if (fifo_nr_running)
-		return true;
-
-	/*
-	 * Round-robin realtime tasks time slice with other tasks at the same
-	 * realtime priority.
+	 * If there are more than one RR tasks, we need the tick to effect the
+	 * actual RR behaviour.
 	 */
 	if (rq->rt.rr_nr_running) {
 		if (rq->rt.rr_nr_running == 1)
@@ -615,8 +606,20 @@
 			return false;
 	}
 
-	/* Normal multitasking need periodic preemption checks */
-	if (rq->cfs.nr_running > 1)
+	/*
+	 * If there's no RR tasks, but FIFO tasks, we can skip the tick, no
+	 * forced preemption between FIFO tasks.
+	 */
+	fifo_nr_running = rq->rt.rt_nr_running - rq->rt.rr_nr_running;
+	if (fifo_nr_running)
+		return true;
+
+	/*
+	 * If there are no DL,RR/FIFO tasks, there must only be CFS tasks left;
+	 * if there's more than one we need the tick for involuntary
+	 * preemption.
+	 */
+	if (rq->nr_running > 1)
 		return false;
 
 	return true;
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 05ddc08..6f96586 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -2095,8 +2095,13 @@
 	trace_create_file("filter", 0644, file->dir, file,
 			  &ftrace_event_filter_fops);
 
-	trace_create_file("trigger", 0644, file->dir, file,
-			  &event_trigger_fops);
+	/*
+	 * Only event directories that can be enabled should have
+	 * triggers.
+	 */
+	if (!(call->flags & TRACE_EVENT_FL_IGNORE_ENABLE))
+		trace_create_file("trigger", 0644, file->dir, file,
+				  &event_trigger_fops);
 
 	trace_create_file("format", 0444, file->dir, call,
 			  &ftrace_event_format_fops);
diff --git a/lib/stackdepot.c b/lib/stackdepot.c
index 9e0b031..53ad6c0 100644
--- a/lib/stackdepot.c
+++ b/lib/stackdepot.c
@@ -42,12 +42,14 @@
 
 #define DEPOT_STACK_BITS (sizeof(depot_stack_handle_t) * 8)
 
+#define STACK_ALLOC_NULL_PROTECTION_BITS 1
 #define STACK_ALLOC_ORDER 2 /* 'Slab' size order for stack depot, 4 pages */
 #define STACK_ALLOC_SIZE (1LL << (PAGE_SHIFT + STACK_ALLOC_ORDER))
 #define STACK_ALLOC_ALIGN 4
 #define STACK_ALLOC_OFFSET_BITS (STACK_ALLOC_ORDER + PAGE_SHIFT - \
 					STACK_ALLOC_ALIGN)
-#define STACK_ALLOC_INDEX_BITS (DEPOT_STACK_BITS - STACK_ALLOC_OFFSET_BITS)
+#define STACK_ALLOC_INDEX_BITS (DEPOT_STACK_BITS - \
+		STACK_ALLOC_NULL_PROTECTION_BITS - STACK_ALLOC_OFFSET_BITS)
 #define STACK_ALLOC_SLABS_CAP 1024
 #define STACK_ALLOC_MAX_SLABS \
 	(((1LL << (STACK_ALLOC_INDEX_BITS)) < STACK_ALLOC_SLABS_CAP) ? \
@@ -59,6 +61,7 @@
 	struct {
 		u32 slabindex : STACK_ALLOC_INDEX_BITS;
 		u32 offset : STACK_ALLOC_OFFSET_BITS;
+		u32 valid : STACK_ALLOC_NULL_PROTECTION_BITS;
 	};
 };
 
@@ -136,6 +139,7 @@
 	stack->size = size;
 	stack->handle.slabindex = depot_index;
 	stack->handle.offset = depot_offset >> STACK_ALLOC_ALIGN;
+	stack->handle.valid = 1;
 	memcpy(stack->entries, entries, size * sizeof(unsigned long));
 	depot_offset += required_size;
 
diff --git a/mm/compaction.c b/mm/compaction.c
index ccf97b0..8fa2540 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -852,16 +852,8 @@
 		pfn = isolate_migratepages_block(cc, pfn, block_end_pfn,
 							ISOLATE_UNEVICTABLE);
 
-		/*
-		 * In case of fatal failure, release everything that might
-		 * have been isolated in the previous iteration, and signal
-		 * the failure back to caller.
-		 */
-		if (!pfn) {
-			putback_movable_pages(&cc->migratepages);
-			cc->nr_migratepages = 0;
+		if (!pfn)
 			break;
-		}
 
 		if (cc->nr_migratepages == COMPACT_CLUSTER_MAX)
 			break;
@@ -1741,7 +1733,7 @@
 
 static inline bool kcompactd_work_requested(pg_data_t *pgdat)
 {
-	return pgdat->kcompactd_max_order > 0;
+	return pgdat->kcompactd_max_order > 0 || kthread_should_stop();
 }
 
 static bool kcompactd_node_suitable(pg_data_t *pgdat)
@@ -1805,6 +1797,8 @@
 		INIT_LIST_HEAD(&cc.freepages);
 		INIT_LIST_HEAD(&cc.migratepages);
 
+		if (kthread_should_stop())
+			return;
 		status = compact_zone(zone, &cc);
 
 		if (zone_watermark_ok(zone, cc.order, low_wmark_pages(zone),
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index df67b53..f7daa7d 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -3452,7 +3452,7 @@
 		}
 	}
 
-	pr_info("%lu of %lu THP split", split, total);
+	pr_info("%lu of %lu THP split\n", split, total);
 
 	return 0;
 }
@@ -3463,7 +3463,7 @@
 {
 	void *ret;
 
-	ret = debugfs_create_file("split_huge_pages", 0644, NULL, NULL,
+	ret = debugfs_create_file("split_huge_pages", 0200, NULL, NULL,
 			&split_huge_pages_fops);
 	if (!ret)
 		pr_warn("Failed to create split_huge_pages in debugfs");
diff --git a/mm/memory.c b/mm/memory.c
index 305537f..52c218e 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1222,15 +1222,8 @@
 		next = pmd_addr_end(addr, end);
 		if (pmd_trans_huge(*pmd) || pmd_devmap(*pmd)) {
 			if (next - addr != HPAGE_PMD_SIZE) {
-#ifdef CONFIG_DEBUG_VM
-				if (!rwsem_is_locked(&tlb->mm->mmap_sem)) {
-					pr_err("%s: mmap_sem is unlocked! addr=0x%lx end=0x%lx vma->vm_start=0x%lx vma->vm_end=0x%lx\n",
-						__func__, addr, end,
-						vma->vm_start,
-						vma->vm_end);
-					BUG();
-				}
-#endif
+				VM_BUG_ON_VMA(vma_is_anonymous(vma) &&
+				    !rwsem_is_locked(&tlb->mm->mmap_sem), vma);
 				split_huge_pmd(vma, pmd, addr);
 			} else if (zap_huge_pmd(tlb, vma, pmd, addr))
 				goto next;
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 999792d..bc5149d 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1910,7 +1910,8 @@
 	if (gdtc->dirty > gdtc->bg_thresh)
 		return true;
 
-	if (wb_stat(wb, WB_RECLAIMABLE) > __wb_calc_thresh(gdtc))
+	if (wb_stat(wb, WB_RECLAIMABLE) >
+	    wb_calc_thresh(gdtc->wb, gdtc->bg_thresh))
 		return true;
 
 	if (mdtc) {
@@ -1924,7 +1925,8 @@
 		if (mdtc->dirty > mdtc->bg_thresh)
 			return true;
 
-		if (wb_stat(wb, WB_RECLAIMABLE) > __wb_calc_thresh(mdtc))
+		if (wb_stat(wb, WB_RECLAIMABLE) >
+		    wb_calc_thresh(mdtc->wb, mdtc->bg_thresh))
 			return true;
 	}
 
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 59de90d..c1069ef 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -6485,7 +6485,7 @@
 	setup_per_zone_inactive_ratio();
 	return 0;
 }
-module_init(init_per_zone_wmark_min)
+core_initcall(init_per_zone_wmark_min)
 
 /*
  * min_free_kbytes_sysctl_handler - just a wrapper around proc_dointvec() so
diff --git a/mm/zswap.c b/mm/zswap.c
index 91dad80d..de0f119b 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -170,6 +170,8 @@
 static LIST_HEAD(zswap_pools);
 /* protects zswap_pools list modification */
 static DEFINE_SPINLOCK(zswap_pools_lock);
+/* pool counter to provide unique names to zpool */
+static atomic_t zswap_pools_count = ATOMIC_INIT(0);
 
 /* used by param callback function */
 static bool zswap_init_started;
@@ -565,6 +567,7 @@
 static struct zswap_pool *zswap_pool_create(char *type, char *compressor)
 {
 	struct zswap_pool *pool;
+	char name[38]; /* 'zswap' + 32 char (max) num + \0 */
 	gfp_t gfp = __GFP_NORETRY | __GFP_NOWARN | __GFP_KSWAPD_RECLAIM;
 
 	pool = kzalloc(sizeof(*pool), GFP_KERNEL);
@@ -573,7 +576,10 @@
 		return NULL;
 	}
 
-	pool->zpool = zpool_create_pool(type, "zswap", gfp, &zswap_zpool_ops);
+	/* unique name for each pool specifically required by zsmalloc */
+	snprintf(name, 38, "zswap%x", atomic_inc_return(&zswap_pools_count));
+
+	pool->zpool = zpool_create_pool(type, name, gfp, &zswap_zpool_ops);
 	if (!pool->zpool) {
 		pr_err("%s zpool not available\n", type);
 		goto error;
diff --git a/net/batman-adv/bat_v.c b/net/batman-adv/bat_v.c
index 3315b9a..4026f19 100644
--- a/net/batman-adv/bat_v.c
+++ b/net/batman-adv/bat_v.c
@@ -32,10 +32,21 @@
 
 #include "bat_v_elp.h"
 #include "bat_v_ogm.h"
+#include "hard-interface.h"
 #include "hash.h"
 #include "originator.h"
 #include "packet.h"
 
+static void batadv_v_iface_activate(struct batadv_hard_iface *hard_iface)
+{
+	/* B.A.T.M.A.N. V does not use any queuing mechanism, therefore it can
+	 * set the interface as ACTIVE right away, without any risk of race
+	 * condition
+	 */
+	if (hard_iface->if_status == BATADV_IF_TO_BE_ACTIVATED)
+		hard_iface->if_status = BATADV_IF_ACTIVE;
+}
+
 static int batadv_v_iface_enable(struct batadv_hard_iface *hard_iface)
 {
 	int ret;
@@ -274,6 +285,7 @@
 
 static struct batadv_algo_ops batadv_batman_v __read_mostly = {
 	.name = "BATMAN_V",
+	.bat_iface_activate = batadv_v_iface_activate,
 	.bat_iface_enable = batadv_v_iface_enable,
 	.bat_iface_disable = batadv_v_iface_disable,
 	.bat_iface_update_mac = batadv_v_iface_update_mac,
diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
index e96d7c7..3e6b262 100644
--- a/net/batman-adv/distributed-arp-table.c
+++ b/net/batman-adv/distributed-arp-table.c
@@ -568,6 +568,7 @@
  * be sent to
  * @bat_priv: the bat priv with all the soft interface information
  * @ip_dst: ipv4 to look up in the DHT
+ * @vid: VLAN identifier
  *
  * An originator O is selected if and only if its DHT_ID value is one of three
  * closest values (from the LEFT, with wrap around if needed) then the hash
@@ -576,7 +577,8 @@
  * Return: the candidate array of size BATADV_DAT_CANDIDATE_NUM.
  */
 static struct batadv_dat_candidate *
-batadv_dat_select_candidates(struct batadv_priv *bat_priv, __be32 ip_dst)
+batadv_dat_select_candidates(struct batadv_priv *bat_priv, __be32 ip_dst,
+			     unsigned short vid)
 {
 	int select;
 	batadv_dat_addr_t last_max = BATADV_DAT_ADDR_MAX, ip_key;
@@ -592,7 +594,7 @@
 		return NULL;
 
 	dat.ip = ip_dst;
-	dat.vid = 0;
+	dat.vid = vid;
 	ip_key = (batadv_dat_addr_t)batadv_hash_dat(&dat,
 						    BATADV_DAT_ADDR_MAX);
 
@@ -612,6 +614,7 @@
  * @bat_priv: the bat priv with all the soft interface information
  * @skb: payload to send
  * @ip: the DHT key
+ * @vid: VLAN identifier
  * @packet_subtype: unicast4addr packet subtype to use
  *
  * This function copies the skb with pskb_copy() and is sent as unicast packet
@@ -622,7 +625,7 @@
  */
 static bool batadv_dat_send_data(struct batadv_priv *bat_priv,
 				 struct sk_buff *skb, __be32 ip,
-				 int packet_subtype)
+				 unsigned short vid, int packet_subtype)
 {
 	int i;
 	bool ret = false;
@@ -631,7 +634,7 @@
 	struct sk_buff *tmp_skb;
 	struct batadv_dat_candidate *cand;
 
-	cand = batadv_dat_select_candidates(bat_priv, ip);
+	cand = batadv_dat_select_candidates(bat_priv, ip, vid);
 	if (!cand)
 		goto out;
 
@@ -1022,7 +1025,7 @@
 		ret = true;
 	} else {
 		/* Send the request to the DHT */
-		ret = batadv_dat_send_data(bat_priv, skb, ip_dst,
+		ret = batadv_dat_send_data(bat_priv, skb, ip_dst, vid,
 					   BATADV_P_DAT_DHT_GET);
 	}
 out:
@@ -1150,8 +1153,8 @@
 	/* Send the ARP reply to the candidates for both the IP addresses that
 	 * the node obtained from the ARP reply
 	 */
-	batadv_dat_send_data(bat_priv, skb, ip_src, BATADV_P_DAT_DHT_PUT);
-	batadv_dat_send_data(bat_priv, skb, ip_dst, BATADV_P_DAT_DHT_PUT);
+	batadv_dat_send_data(bat_priv, skb, ip_src, vid, BATADV_P_DAT_DHT_PUT);
+	batadv_dat_send_data(bat_priv, skb, ip_dst, vid, BATADV_P_DAT_DHT_PUT);
 }
 
 /**
diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
index b22b277..0a7deaf2 100644
--- a/net/batman-adv/hard-interface.c
+++ b/net/batman-adv/hard-interface.c
@@ -407,6 +407,9 @@
 
 	batadv_update_min_mtu(hard_iface->soft_iface);
 
+	if (bat_priv->bat_algo_ops->bat_iface_activate)
+		bat_priv->bat_algo_ops->bat_iface_activate(hard_iface);
+
 out:
 	if (primary_if)
 		batadv_hardif_put(primary_if);
@@ -572,8 +575,7 @@
 	struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
 	struct batadv_hard_iface *primary_if = NULL;
 
-	if (hard_iface->if_status == BATADV_IF_ACTIVE)
-		batadv_hardif_deactivate_interface(hard_iface);
+	batadv_hardif_deactivate_interface(hard_iface);
 
 	if (hard_iface->if_status != BATADV_IF_INACTIVE)
 		goto out;
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index e4cbb07..c355a82 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -250,7 +250,6 @@
 {
 	struct hlist_node *node_tmp;
 	struct batadv_neigh_node *neigh_node;
-	struct batadv_hardif_neigh_node *hardif_neigh;
 	struct batadv_neigh_ifinfo *neigh_ifinfo;
 	struct batadv_algo_ops *bao;
 
@@ -262,13 +261,7 @@
 		batadv_neigh_ifinfo_put(neigh_ifinfo);
 	}
 
-	hardif_neigh = batadv_hardif_neigh_get(neigh_node->if_incoming,
-					       neigh_node->addr);
-	if (hardif_neigh) {
-		/* batadv_hardif_neigh_get() increases refcount too */
-		batadv_hardif_neigh_put(hardif_neigh);
-		batadv_hardif_neigh_put(hardif_neigh);
-	}
+	batadv_hardif_neigh_put(neigh_node->hardif_neigh);
 
 	if (bao->bat_neigh_free)
 		bao->bat_neigh_free(neigh_node);
@@ -663,6 +656,11 @@
 	ether_addr_copy(neigh_node->addr, neigh_addr);
 	neigh_node->if_incoming = hard_iface;
 	neigh_node->orig_node = orig_node;
+	neigh_node->last_seen = jiffies;
+
+	/* increment unique neighbor refcount */
+	kref_get(&hardif_neigh->refcount);
+	neigh_node->hardif_neigh = hardif_neigh;
 
 	/* extra reference for return */
 	kref_init(&neigh_node->refcount);
@@ -672,9 +670,6 @@
 	hlist_add_head_rcu(&neigh_node->list, &orig_node->neigh_list);
 	spin_unlock_bh(&orig_node->neigh_list_lock);
 
-	/* increment unique neighbor refcount */
-	kref_get(&hardif_neigh->refcount);
-
 	batadv_dbg(BATADV_DBG_BATMAN, orig_node->bat_priv,
 		   "Creating new neighbor %pM for orig_node %pM on interface %s\n",
 		   neigh_addr, orig_node->orig, hard_iface->net_dev->name);
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index 4dd646a..b781bf7 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -105,6 +105,15 @@
 		neigh_node = NULL;
 
 	spin_lock_bh(&orig_node->neigh_list_lock);
+	/* curr_router used earlier may not be the current orig_ifinfo->router
+	 * anymore because it was dereferenced outside of the neigh_list_lock
+	 * protected region. After the new best neighbor has replace the current
+	 * best neighbor the reference counter needs to decrease. Consequently,
+	 * the code needs to ensure the curr_router variable contains a pointer
+	 * to the replaced best neighbor.
+	 */
+	curr_router = rcu_dereference_protected(orig_ifinfo->router, true);
+
 	rcu_assign_pointer(orig_ifinfo->router, neigh_node);
 	spin_unlock_bh(&orig_node->neigh_list_lock);
 	batadv_orig_ifinfo_put(orig_ifinfo);
diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c
index 3ce06e0..76417850 100644
--- a/net/batman-adv/send.c
+++ b/net/batman-adv/send.c
@@ -675,6 +675,9 @@
 
 		if (pending) {
 			hlist_del(&forw_packet->list);
+			if (!forw_packet->own)
+				atomic_inc(&bat_priv->bcast_queue_left);
+
 			batadv_forw_packet_free(forw_packet);
 		}
 	}
@@ -702,6 +705,9 @@
 
 		if (pending) {
 			hlist_del(&forw_packet->list);
+			if (!forw_packet->own)
+				atomic_inc(&bat_priv->batman_queue_left);
+
 			batadv_forw_packet_free(forw_packet);
 		}
 	}
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index 0710379..8a136b6 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -408,11 +408,17 @@
 	 */
 	nf_reset(skb);
 
+	if (unlikely(!pskb_may_pull(skb, ETH_HLEN)))
+		goto dropped;
+
 	vid = batadv_get_vid(skb, 0);
 	ethhdr = eth_hdr(skb);
 
 	switch (ntohs(ethhdr->h_proto)) {
 	case ETH_P_8021Q:
+		if (!pskb_may_pull(skb, VLAN_ETH_HLEN))
+			goto dropped;
+
 		vhdr = (struct vlan_ethhdr *)skb->data;
 
 		if (vhdr->h_vlan_encapsulated_proto != ethertype)
@@ -424,8 +430,6 @@
 	}
 
 	/* skb->dev & skb->pkt_type are set here */
-	if (unlikely(!pskb_may_pull(skb, ETH_HLEN)))
-		goto dropped;
 	skb->protocol = eth_type_trans(skb, soft_iface);
 
 	/* should not be necessary anymore as we use skb_pull_rcsum()
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index 0b43e86..9b4551a 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -215,6 +215,8 @@
 	tt_local_entry = container_of(ref, struct batadv_tt_local_entry,
 				      common.refcount);
 
+	batadv_softif_vlan_put(tt_local_entry->vlan);
+
 	kfree_rcu(tt_local_entry, common.rcu);
 }
 
@@ -673,6 +675,7 @@
 	kref_get(&tt_local->common.refcount);
 	tt_local->last_seen = jiffies;
 	tt_local->common.added_at = tt_local->last_seen;
+	tt_local->vlan = vlan;
 
 	/* the batman interface mac and multicast addresses should never be
 	 * purged
@@ -991,7 +994,6 @@
 	struct batadv_tt_common_entry *tt_common_entry;
 	struct batadv_tt_local_entry *tt_local;
 	struct batadv_hard_iface *primary_if;
-	struct batadv_softif_vlan *vlan;
 	struct hlist_head *head;
 	unsigned short vid;
 	u32 i;
@@ -1027,14 +1029,6 @@
 			last_seen_msecs = last_seen_msecs % 1000;
 
 			no_purge = tt_common_entry->flags & np_flag;
-
-			vlan = batadv_softif_vlan_get(bat_priv, vid);
-			if (!vlan) {
-				seq_printf(seq, "Cannot retrieve VLAN %d\n",
-					   BATADV_PRINT_VID(vid));
-				continue;
-			}
-
 			seq_printf(seq,
 				   " * %pM %4i [%c%c%c%c%c%c] %3u.%03u   (%#.8x)\n",
 				   tt_common_entry->addr,
@@ -1052,9 +1046,7 @@
 				     BATADV_TT_CLIENT_ISOLA) ? 'I' : '.'),
 				   no_purge ? 0 : last_seen_secs,
 				   no_purge ? 0 : last_seen_msecs,
-				   vlan->tt.crc);
-
-			batadv_softif_vlan_put(vlan);
+				   tt_local->vlan->tt.crc);
 		}
 		rcu_read_unlock();
 	}
@@ -1099,7 +1091,6 @@
 {
 	struct batadv_tt_local_entry *tt_local_entry;
 	u16 flags, curr_flags = BATADV_NO_FLAGS;
-	struct batadv_softif_vlan *vlan;
 	void *tt_entry_exists;
 
 	tt_local_entry = batadv_tt_local_hash_find(bat_priv, addr, vid);
@@ -1139,14 +1130,6 @@
 	/* extra call to free the local tt entry */
 	batadv_tt_local_entry_put(tt_local_entry);
 
-	/* decrease the reference held for this vlan */
-	vlan = batadv_softif_vlan_get(bat_priv, vid);
-	if (!vlan)
-		goto out;
-
-	batadv_softif_vlan_put(vlan);
-	batadv_softif_vlan_put(vlan);
-
 out:
 	if (tt_local_entry)
 		batadv_tt_local_entry_put(tt_local_entry);
@@ -1219,7 +1202,6 @@
 	spinlock_t *list_lock; /* protects write access to the hash lists */
 	struct batadv_tt_common_entry *tt_common_entry;
 	struct batadv_tt_local_entry *tt_local;
-	struct batadv_softif_vlan *vlan;
 	struct hlist_node *node_tmp;
 	struct hlist_head *head;
 	u32 i;
@@ -1241,14 +1223,6 @@
 						struct batadv_tt_local_entry,
 						common);
 
-			/* decrease the reference held for this vlan */
-			vlan = batadv_softif_vlan_get(bat_priv,
-						      tt_common_entry->vid);
-			if (vlan) {
-				batadv_softif_vlan_put(vlan);
-				batadv_softif_vlan_put(vlan);
-			}
-
 			batadv_tt_local_entry_put(tt_local);
 		}
 		spin_unlock_bh(list_lock);
@@ -3309,7 +3283,6 @@
 	struct batadv_hashtable *hash = bat_priv->tt.local_hash;
 	struct batadv_tt_common_entry *tt_common;
 	struct batadv_tt_local_entry *tt_local;
-	struct batadv_softif_vlan *vlan;
 	struct hlist_node *node_tmp;
 	struct hlist_head *head;
 	spinlock_t *list_lock; /* protects write access to the hash lists */
@@ -3339,13 +3312,6 @@
 						struct batadv_tt_local_entry,
 						common);
 
-			/* decrease the reference held for this vlan */
-			vlan = batadv_softif_vlan_get(bat_priv, tt_common->vid);
-			if (vlan) {
-				batadv_softif_vlan_put(vlan);
-				batadv_softif_vlan_put(vlan);
-			}
-
 			batadv_tt_local_entry_put(tt_local);
 		}
 		spin_unlock_bh(list_lock);
diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
index 9abfb3e..1e47fbe 100644
--- a/net/batman-adv/types.h
+++ b/net/batman-adv/types.h
@@ -433,6 +433,7 @@
  * @ifinfo_lock: lock protecting private ifinfo members and list
  * @if_incoming: pointer to incoming hard-interface
  * @last_seen: when last packet via this neighbor was received
+ * @hardif_neigh: hardif_neigh of this neighbor
  * @refcount: number of contexts the object is used
  * @rcu: struct used for freeing in an RCU-safe manner
  */
@@ -444,6 +445,7 @@
 	spinlock_t ifinfo_lock;	/* protects ifinfo_list and its members */
 	struct batadv_hard_iface *if_incoming;
 	unsigned long last_seen;
+	struct batadv_hardif_neigh_node *hardif_neigh;
 	struct kref refcount;
 	struct rcu_head rcu;
 };
@@ -1073,10 +1075,12 @@
  * struct batadv_tt_local_entry - translation table local entry data
  * @common: general translation table data
  * @last_seen: timestamp used for purging stale tt local entries
+ * @vlan: soft-interface vlan of the entry
  */
 struct batadv_tt_local_entry {
 	struct batadv_tt_common_entry common;
 	unsigned long last_seen;
+	struct batadv_softif_vlan *vlan;
 };
 
 /**
@@ -1250,6 +1254,8 @@
  * struct batadv_algo_ops - mesh algorithm callbacks
  * @list: list node for the batadv_algo_list
  * @name: name of the algorithm
+ * @bat_iface_activate: start routing mechanisms when hard-interface is brought
+ *  up
  * @bat_iface_enable: init routing info when hard-interface is enabled
  * @bat_iface_disable: de-init routing info when hard-interface is disabled
  * @bat_iface_update_mac: (re-)init mac addresses of the protocol information
@@ -1277,6 +1283,7 @@
 struct batadv_algo_ops {
 	struct hlist_node list;
 	char *name;
+	void (*bat_iface_activate)(struct batadv_hard_iface *hard_iface);
 	int (*bat_iface_enable)(struct batadv_hard_iface *hard_iface);
 	void (*bat_iface_disable)(struct batadv_hard_iface *hard_iface);
 	void (*bat_iface_update_mac)(struct batadv_hard_iface *hard_iface);
diff --git a/net/core/dev.c b/net/core/dev.c
index 77a71cd..5c925ac 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2802,7 +2802,7 @@
 
 	if (skb->ip_summed != CHECKSUM_NONE &&
 	    !can_checksum_protocol(features, type)) {
-		features &= ~NETIF_F_CSUM_MASK;
+		features &= ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
 	} else if (illegal_highdma(skb->dev, skb)) {
 		features &= ~NETIF_F_SG;
 	}
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index bc68ece..0d9e9d7 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -470,6 +470,7 @@
 						     const struct sock *sk2,
 						     bool match_wildcard))
 {
+	struct inet_bind_bucket *tb = inet_csk(sk)->icsk_bind_hash;
 	struct sock *sk2;
 	struct hlist_nulls_node *node;
 	kuid_t uid = sock_i_uid(sk);
@@ -479,6 +480,7 @@
 		    sk2->sk_family == sk->sk_family &&
 		    ipv6_only_sock(sk2) == ipv6_only_sock(sk) &&
 		    sk2->sk_bound_dev_if == sk->sk_bound_dev_if &&
+		    inet_csk(sk2)->icsk_bind_hash == tb &&
 		    sk2->sk_reuseport && uid_eq(uid, sock_i_uid(sk2)) &&
 		    saddr_same(sk, sk2, false))
 			return reuseport_add_sock(sk, sk2);
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index af5d1f3..205a2b8 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -179,6 +179,7 @@
 	return flags;
 }
 
+/* Fills in tpi and returns header length to be pulled. */
 static int parse_gre_header(struct sk_buff *skb, struct tnl_ptk_info *tpi,
 			    bool *csum_err)
 {
@@ -238,7 +239,7 @@
 				return -EINVAL;
 		}
 	}
-	return iptunnel_pull_header(skb, hdr_len, tpi->proto, false);
+	return hdr_len;
 }
 
 static void ipgre_err(struct sk_buff *skb, u32 info,
@@ -341,7 +342,7 @@
 	struct tnl_ptk_info tpi;
 	bool csum_err = false;
 
-	if (parse_gre_header(skb, &tpi, &csum_err)) {
+	if (parse_gre_header(skb, &tpi, &csum_err) < 0) {
 		if (!csum_err)		/* ignore csum errors. */
 			return;
 	}
@@ -419,6 +420,7 @@
 {
 	struct tnl_ptk_info tpi;
 	bool csum_err = false;
+	int hdr_len;
 
 #ifdef CONFIG_NET_IPGRE_BROADCAST
 	if (ipv4_is_multicast(ip_hdr(skb)->daddr)) {
@@ -428,7 +430,10 @@
 	}
 #endif
 
-	if (parse_gre_header(skb, &tpi, &csum_err) < 0)
+	hdr_len = parse_gre_header(skb, &tpi, &csum_err);
+	if (hdr_len < 0)
+		goto drop;
+	if (iptunnel_pull_header(skb, hdr_len, tpi.proto, false) < 0)
 		goto drop;
 
 	if (ipgre_rcv(skb, &tpi) == PACKET_RCVD)
@@ -523,7 +528,8 @@
 	return ip_route_output_key(net, fl);
 }
 
-static void gre_fb_xmit(struct sk_buff *skb, struct net_device *dev)
+static void gre_fb_xmit(struct sk_buff *skb, struct net_device *dev,
+			__be16 proto)
 {
 	struct ip_tunnel_info *tun_info;
 	const struct ip_tunnel_key *key;
@@ -575,7 +581,7 @@
 	}
 
 	flags = tun_info->key.tun_flags & (TUNNEL_CSUM | TUNNEL_KEY);
-	build_header(skb, tunnel_hlen, flags, htons(ETH_P_TEB),
+	build_header(skb, tunnel_hlen, flags, proto,
 		     tunnel_id_to_key(tun_info->key.tun_id), 0);
 
 	df = key->tun_flags & TUNNEL_DONT_FRAGMENT ?  htons(IP_DF) : 0;
@@ -616,7 +622,7 @@
 	const struct iphdr *tnl_params;
 
 	if (tunnel->collect_md) {
-		gre_fb_xmit(skb, dev);
+		gre_fb_xmit(skb, dev, skb->protocol);
 		return NETDEV_TX_OK;
 	}
 
@@ -660,7 +666,7 @@
 	struct ip_tunnel *tunnel = netdev_priv(dev);
 
 	if (tunnel->collect_md) {
-		gre_fb_xmit(skb, dev);
+		gre_fb_xmit(skb, dev, htons(ETH_P_TEB));
 		return NETDEV_TX_OK;
 	}
 
@@ -893,7 +899,7 @@
 	netif_keep_dst(dev);
 	dev->addr_len		= 4;
 
-	if (iph->daddr) {
+	if (iph->daddr && !tunnel->collect_md) {
 #ifdef CONFIG_NET_IPGRE_BROADCAST
 		if (ipv4_is_multicast(iph->daddr)) {
 			if (!iph->saddr)
@@ -902,8 +908,9 @@
 			dev->header_ops = &ipgre_header_ops;
 		}
 #endif
-	} else
+	} else if (!tunnel->collect_md) {
 		dev->header_ops = &ipgre_header_ops;
+	}
 
 	return ip_tunnel_init(dev);
 }
@@ -946,6 +953,11 @@
 	if (flags & (GRE_VERSION|GRE_ROUTING))
 		return -EINVAL;
 
+	if (data[IFLA_GRE_COLLECT_METADATA] &&
+	    data[IFLA_GRE_ENCAP_TYPE] &&
+	    nla_get_u16(data[IFLA_GRE_ENCAP_TYPE]) != TUNNEL_ENCAP_NONE)
+		return -EINVAL;
+
 	return 0;
 }
 
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index 6aad019..a69ed94 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -326,12 +326,12 @@
 
 		if (!IS_ERR(rt)) {
 			tdev = rt->dst.dev;
-			dst_cache_set_ip4(&tunnel->dst_cache, &rt->dst,
-					  fl4.saddr);
 			ip_rt_put(rt);
 		}
 		if (dev->type != ARPHRD_ETHER)
 			dev->flags |= IFF_POINTOPOINT;
+
+		dst_cache_reset(&tunnel->dst_cache);
 	}
 
 	if (!tdev && tunnel->parms.link)
diff --git a/net/ipv6/ila/ila_lwt.c b/net/ipv6/ila/ila_lwt.c
index 2ae3c4f..41f18de 100644
--- a/net/ipv6/ila/ila_lwt.c
+++ b/net/ipv6/ila/ila_lwt.c
@@ -120,8 +120,7 @@
 
 static int ila_encap_nlsize(struct lwtunnel_state *lwtstate)
 {
-	/* No encapsulation overhead */
-	return 0;
+	return nla_total_size(sizeof(u64)); /* ILA_ATTR_LOCATOR */
 }
 
 static int ila_encap_cmp(struct lwtunnel_state *a, struct lwtunnel_state *b)
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index afca2eb..6edfa99 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -1376,9 +1376,9 @@
 			memcpy(&udp_conf.peer_ip6, cfg->peer_ip6,
 			       sizeof(udp_conf.peer_ip6));
 			udp_conf.use_udp6_tx_checksums =
-			    cfg->udp6_zero_tx_checksums;
+			  ! cfg->udp6_zero_tx_checksums;
 			udp_conf.use_udp6_rx_checksums =
-			    cfg->udp6_zero_rx_checksums;
+			  ! cfg->udp6_zero_rx_checksums;
 		} else
 #endif
 		{
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 453b4e74..e1cb22c 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1761,7 +1761,7 @@
 
 		ret = dev_alloc_name(ndev, ndev->name);
 		if (ret < 0) {
-			free_netdev(ndev);
+			ieee80211_if_free(ndev);
 			return ret;
 		}
 
@@ -1847,7 +1847,7 @@
 
 		ret = register_netdevice(ndev);
 		if (ret) {
-			free_netdev(ndev);
+			ieee80211_if_free(ndev);
 			return ret;
 		}
 	}
diff --git a/net/rds/tcp.c b/net/rds/tcp.c
index 61ed2a8..86187da 100644
--- a/net/rds/tcp.c
+++ b/net/rds/tcp.c
@@ -127,7 +127,7 @@
 
 /*
  * This is the only path that sets tc->t_sock.  Send and receive trust that
- * it is set.  The RDS_CONN_CONNECTED bit protects those paths from being
+ * it is set.  The RDS_CONN_UP bit protects those paths from being
  * called while it isn't set.
  */
 void rds_tcp_set_callbacks(struct socket *sock, struct rds_connection *conn)
@@ -216,6 +216,7 @@
 	if (!tc)
 		return -ENOMEM;
 
+	mutex_init(&tc->t_conn_lock);
 	tc->t_sock = NULL;
 	tc->t_tinc = NULL;
 	tc->t_tinc_hdr_rem = sizeof(struct rds_header);
diff --git a/net/rds/tcp.h b/net/rds/tcp.h
index 64f873c..41c2283 100644
--- a/net/rds/tcp.h
+++ b/net/rds/tcp.h
@@ -12,6 +12,10 @@
 
 	struct list_head	t_tcp_node;
 	struct rds_connection   *conn;
+	/* t_conn_lock synchronizes the connection establishment between
+	 * rds_tcp_accept_one and rds_tcp_conn_connect
+	 */
+	struct mutex		t_conn_lock;
 	struct socket		*t_sock;
 	void			*t_orig_write_space;
 	void			*t_orig_data_ready;
diff --git a/net/rds/tcp_connect.c b/net/rds/tcp_connect.c
index 5cb1687..49a3fcf 100644
--- a/net/rds/tcp_connect.c
+++ b/net/rds/tcp_connect.c
@@ -78,7 +78,14 @@
 	struct socket *sock = NULL;
 	struct sockaddr_in src, dest;
 	int ret;
+	struct rds_tcp_connection *tc = conn->c_transport_data;
 
+	mutex_lock(&tc->t_conn_lock);
+
+	if (rds_conn_up(conn)) {
+		mutex_unlock(&tc->t_conn_lock);
+		return 0;
+	}
 	ret = sock_create_kern(rds_conn_net(conn), PF_INET,
 			       SOCK_STREAM, IPPROTO_TCP, &sock);
 	if (ret < 0)
@@ -120,6 +127,7 @@
 	}
 
 out:
+	mutex_unlock(&tc->t_conn_lock);
 	if (sock)
 		sock_release(sock);
 	return ret;
diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c
index 0936a4a..be263cd 100644
--- a/net/rds/tcp_listen.c
+++ b/net/rds/tcp_listen.c
@@ -76,7 +76,9 @@
 	struct rds_connection *conn;
 	int ret;
 	struct inet_sock *inet;
-	struct rds_tcp_connection *rs_tcp;
+	struct rds_tcp_connection *rs_tcp = NULL;
+	int conn_state;
+	struct sock *nsk;
 
 	ret = sock_create_kern(sock_net(sock->sk), sock->sk->sk_family,
 			       sock->sk->sk_type, sock->sk->sk_protocol,
@@ -115,28 +117,44 @@
 	 * rds_tcp_state_change() will do that cleanup
 	 */
 	rs_tcp = (struct rds_tcp_connection *)conn->c_transport_data;
-	if (rs_tcp->t_sock &&
-	    ntohl(inet->inet_saddr) < ntohl(inet->inet_daddr)) {
-		struct sock *nsk = new_sock->sk;
-
-		nsk->sk_user_data = NULL;
-		nsk->sk_prot->disconnect(nsk, 0);
-		tcp_done(nsk);
-		new_sock = NULL;
-		ret = 0;
-		goto out;
-	} else if (rs_tcp->t_sock) {
-		rds_tcp_restore_callbacks(rs_tcp->t_sock, rs_tcp);
-		conn->c_outgoing = 0;
-	}
-
 	rds_conn_transition(conn, RDS_CONN_DOWN, RDS_CONN_CONNECTING);
+	mutex_lock(&rs_tcp->t_conn_lock);
+	conn_state = rds_conn_state(conn);
+	if (conn_state != RDS_CONN_CONNECTING && conn_state != RDS_CONN_UP)
+		goto rst_nsk;
+	if (rs_tcp->t_sock) {
+		/* Need to resolve a duelling SYN between peers.
+		 * We have an outstanding SYN to this peer, which may
+		 * potentially have transitioned to the RDS_CONN_UP state,
+		 * so we must quiesce any send threads before resetting
+		 * c_transport_data.
+		 */
+		wait_event(conn->c_waitq,
+			   !test_bit(RDS_IN_XMIT, &conn->c_flags));
+		if (ntohl(inet->inet_saddr) < ntohl(inet->inet_daddr)) {
+			goto rst_nsk;
+		} else if (rs_tcp->t_sock) {
+			rds_tcp_restore_callbacks(rs_tcp->t_sock, rs_tcp);
+			conn->c_outgoing = 0;
+		}
+	}
 	rds_tcp_set_callbacks(new_sock, conn);
-	rds_connect_complete(conn);
+	rds_connect_complete(conn); /* marks RDS_CONN_UP */
 	new_sock = NULL;
 	ret = 0;
-
+	goto out;
+rst_nsk:
+	/* reset the newly returned accept sock and bail */
+	nsk = new_sock->sk;
+	rds_tcp_stats_inc(s_tcp_listen_closed_stale);
+	nsk->sk_user_data = NULL;
+	nsk->sk_prot->disconnect(nsk, 0);
+	tcp_done(nsk);
+	new_sock = NULL;
+	ret = 0;
 out:
+	if (rs_tcp)
+		mutex_unlock(&rs_tcp->t_conn_lock);
 	if (new_sock)
 		sock_release(new_sock);
 	return ret;
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 9640bb3..4befe97 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -395,6 +395,25 @@
 	sch->q.qlen++;
 }
 
+/* netem can't properly corrupt a megapacket (like we get from GSO), so instead
+ * when we statistically choose to corrupt one, we instead segment it, returning
+ * the first packet to be corrupted, and re-enqueue the remaining frames
+ */
+static struct sk_buff *netem_segment(struct sk_buff *skb, struct Qdisc *sch)
+{
+	struct sk_buff *segs;
+	netdev_features_t features = netif_skb_features(skb);
+
+	segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK);
+
+	if (IS_ERR_OR_NULL(segs)) {
+		qdisc_reshape_fail(skb, sch);
+		return NULL;
+	}
+	consume_skb(skb);
+	return segs;
+}
+
 /*
  * Insert one skb into qdisc.
  * Note: parent depends on return value to account for queue length.
@@ -407,7 +426,11 @@
 	/* We don't fill cb now as skb_unshare() may invalidate it */
 	struct netem_skb_cb *cb;
 	struct sk_buff *skb2;
+	struct sk_buff *segs = NULL;
+	unsigned int len = 0, last_len, prev_len = qdisc_pkt_len(skb);
+	int nb = 0;
 	int count = 1;
+	int rc = NET_XMIT_SUCCESS;
 
 	/* Random duplication */
 	if (q->duplicate && q->duplicate >= get_crandom(&q->dup_cor))
@@ -453,10 +476,23 @@
 	 * do it now in software before we mangle it.
 	 */
 	if (q->corrupt && q->corrupt >= get_crandom(&q->corrupt_cor)) {
+		if (skb_is_gso(skb)) {
+			segs = netem_segment(skb, sch);
+			if (!segs)
+				return NET_XMIT_DROP;
+		} else {
+			segs = skb;
+		}
+
+		skb = segs;
+		segs = segs->next;
+
 		if (!(skb = skb_unshare(skb, GFP_ATOMIC)) ||
 		    (skb->ip_summed == CHECKSUM_PARTIAL &&
-		     skb_checksum_help(skb)))
-			return qdisc_drop(skb, sch);
+		     skb_checksum_help(skb))) {
+			rc = qdisc_drop(skb, sch);
+			goto finish_segs;
+		}
 
 		skb->data[prandom_u32() % skb_headlen(skb)] ^=
 			1<<(prandom_u32() % 8);
@@ -516,6 +552,27 @@
 		sch->qstats.requeues++;
 	}
 
+finish_segs:
+	if (segs) {
+		while (segs) {
+			skb2 = segs->next;
+			segs->next = NULL;
+			qdisc_skb_cb(segs)->pkt_len = segs->len;
+			last_len = segs->len;
+			rc = qdisc_enqueue(segs, sch);
+			if (rc != NET_XMIT_SUCCESS) {
+				if (net_xmit_drop_count(rc))
+					qdisc_qstats_drop(sch);
+			} else {
+				nb++;
+				len += last_len;
+			}
+			segs = skb2;
+		}
+		sch->q.qlen += nb;
+		if (nb > 1)
+			qdisc_tree_reduce_backlog(sch, 1 - nb, prev_len - len);
+	}
 	return NET_XMIT_SUCCESS;
 }
 
diff --git a/net/tipc/node.c b/net/tipc/node.c
index ace178f..9aaa1bc 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -1444,6 +1444,7 @@
 	int bearer_id = b->identity;
 	struct tipc_link_entry *le;
 	u16 bc_ack = msg_bcast_ack(hdr);
+	u32 self = tipc_own_addr(net);
 	int rc = 0;
 
 	__skb_queue_head_init(&xmitq);
@@ -1460,6 +1461,10 @@
 			return tipc_node_bc_rcv(net, skb, bearer_id);
 	}
 
+	/* Discard unicast link messages destined for another node */
+	if (unlikely(!msg_short(hdr) && (msg_destnode(hdr) != self)))
+		goto discard;
+
 	/* Locate neighboring node that sent packet */
 	n = tipc_node_find(net, msg_prevnode(hdr));
 	if (unlikely(!n))
diff --git a/samples/bpf/trace_output_kern.c b/samples/bpf/trace_output_kern.c
index 8d8d1ec..9b96f4f 100644
--- a/samples/bpf/trace_output_kern.c
+++ b/samples/bpf/trace_output_kern.c
@@ -18,7 +18,6 @@
 		u64 cookie;
 	} data;
 
-	memset(&data, 0, sizeof(data));
 	data.pid = bpf_get_current_pid_tgid();
 	data.cookie = 0x12345678;
 
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 161dd0d..a915507 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -371,6 +371,49 @@
 		do_usb_entry_multi(symval + i, mod);
 }
 
+static void do_of_entry_multi(void *symval, struct module *mod)
+{
+	char alias[500];
+	int len;
+	char *tmp;
+
+	DEF_FIELD_ADDR(symval, of_device_id, name);
+	DEF_FIELD_ADDR(symval, of_device_id, type);
+	DEF_FIELD_ADDR(symval, of_device_id, compatible);
+
+	len = sprintf(alias, "of:N%sT%s", (*name)[0] ? *name : "*",
+		      (*type)[0] ? *type : "*");
+
+	if (compatible[0])
+		sprintf(&alias[len], "%sC%s", (*type)[0] ? "*" : "",
+			*compatible);
+
+	/* Replace all whitespace with underscores */
+	for (tmp = alias; tmp && *tmp; tmp++)
+		if (isspace(*tmp))
+			*tmp = '_';
+
+	buf_printf(&mod->dev_table_buf, "MODULE_ALIAS(\"%s\");\n", alias);
+	strcat(alias, "C");
+	add_wildcard(alias);
+	buf_printf(&mod->dev_table_buf, "MODULE_ALIAS(\"%s\");\n", alias);
+}
+
+static void do_of_table(void *symval, unsigned long size,
+			struct module *mod)
+{
+	unsigned int i;
+	const unsigned long id_size = SIZE_of_device_id;
+
+	device_id_check(mod->name, "of", size, id_size, symval);
+
+	/* Leave last one: it's the terminator. */
+	size -= id_size;
+
+	for (i = 0; i < size; i += id_size)
+		do_of_entry_multi(symval + i, mod);
+}
+
 /* Looks like: hid:bNvNpN */
 static int do_hid_entry(const char *filename,
 			     void *symval, char *alias)
@@ -684,30 +727,6 @@
 }
 ADD_TO_DEVTABLE("pcmcia", pcmcia_device_id, do_pcmcia_entry);
 
-static int do_of_entry (const char *filename, void *symval, char *alias)
-{
-	int len;
-	char *tmp;
-	DEF_FIELD_ADDR(symval, of_device_id, name);
-	DEF_FIELD_ADDR(symval, of_device_id, type);
-	DEF_FIELD_ADDR(symval, of_device_id, compatible);
-
-	len = sprintf(alias, "of:N%sT%s", (*name)[0] ? *name : "*",
-		      (*type)[0] ? *type : "*");
-
-	if (compatible[0])
-		sprintf(&alias[len], "%sC%s", (*type)[0] ? "*" : "",
-			*compatible);
-
-	/* Replace all whitespace with underscores */
-	for (tmp = alias; tmp && *tmp; tmp++)
-		if (isspace (*tmp))
-			*tmp = '_';
-
-	return 1;
-}
-ADD_TO_DEVTABLE("of", of_device_id, do_of_entry);
-
 static int do_vio_entry(const char *filename, void *symval,
 		char *alias)
 {
@@ -1348,6 +1367,8 @@
 	/* First handle the "special" cases */
 	if (sym_is(name, namelen, "usb"))
 		do_usb_table(symval, sym->st_size, mod);
+	if (sym_is(name, namelen, "of"))
+		do_of_table(symval, sym->st_size, mod);
 	else if (sym_is(name, namelen, "pnp"))
 		do_pnp_device_entry(symval, sym->st_size, mod);
 	else if (sym_is(name, namelen, "pnp_card"))
diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
index be09e2c..3cd0a58 100644
--- a/security/integrity/ima/ima_policy.c
+++ b/security/integrity/ima/ima_policy.c
@@ -884,10 +884,10 @@
 	"BPRM_CHECK",
 	"MODULE_CHECK",
 	"FIRMWARE_CHECK",
+	"POST_SETATTR",
 	"KEXEC_KERNEL_CHECK",
 	"KEXEC_INITRAMFS_CHECK",
-	"POLICY_CHECK",
-	"POST_SETATTR"
+	"POLICY_CHECK"
 };
 
 void *ima_policy_start(struct seq_file *m, loff_t *pos)
diff --git a/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
index d0e6b85..546cf4a 100644
--- a/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
+++ b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
@@ -91,7 +91,7 @@
 			 char *signature,
 			 u32 instance,
 			 struct acpi_table_header **table,
-			 acpi_physical_address * address);
+			 acpi_physical_address *address);
 
 static acpi_status osl_list_bios_tables(void);
 
@@ -99,7 +99,7 @@
 osl_get_bios_table(char *signature,
 		   u32 instance,
 		   struct acpi_table_header **table,
-		   acpi_physical_address * address);
+		   acpi_physical_address *address);
 
 static acpi_status osl_get_last_status(acpi_status default_status);
 
@@ -187,7 +187,7 @@
 
 acpi_status
 acpi_os_get_table_by_address(acpi_physical_address address,
-			     struct acpi_table_header ** table)
+			     struct acpi_table_header **table)
 {
 	u32 table_length;
 	struct acpi_table_header *mapped_table;
@@ -252,8 +252,8 @@
 acpi_status
 acpi_os_get_table_by_name(char *signature,
 			  u32 instance,
-			  struct acpi_table_header ** table,
-			  acpi_physical_address * address)
+			  struct acpi_table_header **table,
+			  acpi_physical_address *address)
 {
 	acpi_status status;
 
@@ -380,8 +380,8 @@
 
 acpi_status
 acpi_os_get_table_by_index(u32 index,
-			   struct acpi_table_header ** table,
-			   u32 *instance, acpi_physical_address * address)
+			   struct acpi_table_header **table,
+			   u32 *instance, acpi_physical_address *address)
 {
 	struct osl_table_info *info;
 	acpi_status status;
@@ -447,7 +447,7 @@
 		}
 	}
 
-	return ((acpi_physical_address) (address));
+	return ((acpi_physical_address)(address));
 }
 
 /******************************************************************************
@@ -751,10 +751,10 @@
 	for (i = 0; i < number_of_tables; ++i, table_data += item_size) {
 		if (osl_can_use_xsdt()) {
 			table_address =
-			    (acpi_physical_address) (*ACPI_CAST64(table_data));
+			    (acpi_physical_address)(*ACPI_CAST64(table_data));
 		} else {
 			table_address =
-			    (acpi_physical_address) (*ACPI_CAST32(table_data));
+			    (acpi_physical_address)(*ACPI_CAST32(table_data));
 		}
 
 		/* Skip NULL entries in RSDT/XSDT */
@@ -800,7 +800,7 @@
 osl_get_bios_table(char *signature,
 		   u32 instance,
 		   struct acpi_table_header **table,
-		   acpi_physical_address * address)
+		   acpi_physical_address *address)
 {
 	struct acpi_table_header *local_table = NULL;
 	struct acpi_table_header *mapped_table = NULL;
@@ -833,38 +833,37 @@
 			if ((gbl_fadt->header.length >= MIN_FADT_FOR_XDSDT) &&
 			    gbl_fadt->Xdsdt) {
 				table_address =
-				    (acpi_physical_address) gbl_fadt->Xdsdt;
+				    (acpi_physical_address)gbl_fadt->Xdsdt;
 			} else
 			    if ((gbl_fadt->header.length >= MIN_FADT_FOR_DSDT)
 				&& gbl_fadt->dsdt) {
 				table_address =
-				    (acpi_physical_address) gbl_fadt->dsdt;
+				    (acpi_physical_address)gbl_fadt->dsdt;
 			}
 		} else if (ACPI_COMPARE_NAME(signature, ACPI_SIG_FACS)) {
 			if ((gbl_fadt->header.length >= MIN_FADT_FOR_XFACS) &&
 			    gbl_fadt->Xfacs) {
 				table_address =
-				    (acpi_physical_address) gbl_fadt->Xfacs;
+				    (acpi_physical_address)gbl_fadt->Xfacs;
 			} else
 			    if ((gbl_fadt->header.length >= MIN_FADT_FOR_FACS)
 				&& gbl_fadt->facs) {
 				table_address =
-				    (acpi_physical_address) gbl_fadt->facs;
+				    (acpi_physical_address)gbl_fadt->facs;
 			}
 		} else if (ACPI_COMPARE_NAME(signature, ACPI_SIG_XSDT)) {
 			if (!gbl_revision) {
 				return (AE_BAD_SIGNATURE);
 			}
 			table_address =
-			    (acpi_physical_address) gbl_rsdp.
+			    (acpi_physical_address)gbl_rsdp.
 			    xsdt_physical_address;
 		} else if (ACPI_COMPARE_NAME(signature, ACPI_SIG_RSDT)) {
 			table_address =
-			    (acpi_physical_address) gbl_rsdp.
+			    (acpi_physical_address)gbl_rsdp.
 			    rsdt_physical_address;
 		} else {
-			table_address =
-			    (acpi_physical_address) gbl_rsdp_address;
+			table_address = (acpi_physical_address)gbl_rsdp_address;
 			signature = ACPI_SIG_RSDP;
 		}
 
@@ -904,12 +903,12 @@
 		for (i = 0; i < number_of_tables; ++i, table_data += item_size) {
 			if (osl_can_use_xsdt()) {
 				table_address =
-				    (acpi_physical_address) (*ACPI_CAST64
-							     (table_data));
+				    (acpi_physical_address)(*ACPI_CAST64
+							    (table_data));
 			} else {
 				table_address =
-				    (acpi_physical_address) (*ACPI_CAST32
-							     (table_data));
+				    (acpi_physical_address)(*ACPI_CAST32
+							    (table_data));
 			}
 
 			/* Skip NULL entries in RSDT/XSDT */
@@ -1301,7 +1300,7 @@
 			 char *signature,
 			 u32 instance,
 			 struct acpi_table_header **table,
-			 acpi_physical_address * address)
+			 acpi_physical_address *address)
 {
 	void *table_dir;
 	u32 current_instance = 0;
diff --git a/tools/power/acpi/os_specific/service_layers/osunixmap.c b/tools/power/acpi/os_specific/service_layers/osunixmap.c
index 3818fd0..cbfbce1 100644
--- a/tools/power/acpi/os_specific/service_layers/osunixmap.c
+++ b/tools/power/acpi/os_specific/service_layers/osunixmap.c
@@ -54,7 +54,7 @@
 #ifndef O_BINARY
 #define O_BINARY 0
 #endif
-#if defined(_dragon_fly) || defined(_free_BSD)
+#if defined(_dragon_fly) || defined(_free_BSD) || defined(_QNX)
 #define MMAP_FLAGS          MAP_SHARED
 #else
 #define MMAP_FLAGS          MAP_PRIVATE
diff --git a/tools/power/acpi/os_specific/service_layers/osunixxf.c b/tools/power/acpi/os_specific/service_layers/osunixxf.c
index 08cb8b2..88aa66e 100644
--- a/tools/power/acpi/os_specific/service_layers/osunixxf.c
+++ b/tools/power/acpi/os_specific/service_layers/osunixxf.c
@@ -246,8 +246,8 @@
  *****************************************************************************/
 
 acpi_status
-acpi_os_predefined_override(const struct acpi_predefined_names * init_val,
-			    acpi_string * new_val)
+acpi_os_predefined_override(const struct acpi_predefined_names *init_val,
+			    acpi_string *new_val)
 {
 
 	if (!init_val || !new_val) {
@@ -274,8 +274,8 @@
  *****************************************************************************/
 
 acpi_status
-acpi_os_table_override(struct acpi_table_header * existing_table,
-		       struct acpi_table_header ** new_table)
+acpi_os_table_override(struct acpi_table_header *existing_table,
+		       struct acpi_table_header **new_table)
 {
 
 	if (!existing_table || !new_table) {
@@ -311,8 +311,8 @@
  *****************************************************************************/
 
 acpi_status
-acpi_os_physical_table_override(struct acpi_table_header * existing_table,
-				acpi_physical_address * new_address,
+acpi_os_physical_table_override(struct acpi_table_header *existing_table,
+				acpi_physical_address *new_address,
 				u32 *new_table_length)
 {
 
@@ -506,7 +506,7 @@
 void *acpi_os_map_memory(acpi_physical_address where, acpi_size length)
 {
 
-	return (ACPI_TO_POINTER((acpi_size) where));
+	return (ACPI_TO_POINTER((acpi_size)where));
 }
 
 /******************************************************************************
@@ -603,9 +603,9 @@
 
 acpi_status
 acpi_os_create_semaphore(u32 max_units,
-			 u32 initial_units, acpi_handle * out_handle)
+			 u32 initial_units, acpi_handle *out_handle)
 {
-	*out_handle = (acpi_handle) 1;
+	*out_handle = (acpi_handle)1;
 	return (AE_OK);
 }
 
@@ -640,7 +640,7 @@
 
 acpi_status
 acpi_os_create_semaphore(u32 max_units,
-			 u32 initial_units, acpi_handle * out_handle)
+			 u32 initial_units, acpi_handle *out_handle)
 {
 	sem_t *sem;
 
@@ -672,7 +672,7 @@
 	}
 #endif
 
-	*out_handle = (acpi_handle) sem;
+	*out_handle = (acpi_handle)sem;
 	return (AE_OK);
 }
 
@@ -1035,7 +1035,7 @@
  *****************************************************************************/
 
 acpi_status
-acpi_os_write_pci_configuration(struct acpi_pci_id * pci_id,
+acpi_os_write_pci_configuration(struct acpi_pci_id *pci_id,
 				u32 pci_register, u64 value, u32 width)
 {
 
diff --git a/tools/power/acpi/tools/acpidump/Makefile b/tools/power/acpi/tools/acpidump/Makefile
index 8d76157..2942cdc 100644
--- a/tools/power/acpi/tools/acpidump/Makefile
+++ b/tools/power/acpi/tools/acpidump/Makefile
@@ -31,6 +31,7 @@
 	osunixxf.o\
 	tbprint.o\
 	tbxfroot.o\
+	utascii.o\
 	utbuffer.o\
 	utdebug.o\
 	utexcep.o\
diff --git a/tools/power/acpi/tools/acpidump/apdump.c b/tools/power/acpi/tools/acpidump/apdump.c
index da44458..fb8f1d9 100644
--- a/tools/power/acpi/tools/acpidump/apdump.c
+++ b/tools/power/acpi/tools/acpidump/apdump.c
@@ -68,7 +68,7 @@
 
 		/* Make sure signature is all ASCII and a valid ACPI name */
 
-		if (!acpi_ut_valid_acpi_name(table->signature)) {
+		if (!acpi_ut_valid_nameseg(table->signature)) {
 			acpi_log_error("Table signature (0x%8.8X) is invalid\n",
 				       *(u32 *)table->signature);
 			return (FALSE);
@@ -286,14 +286,15 @@
 
 	/* Convert argument to an integer physical address */
 
-	status = acpi_ut_strtoul64(ascii_address, 0, &long_address);
+	status = acpi_ut_strtoul64(ascii_address, ACPI_ANY_BASE,
+				   ACPI_MAX64_BYTE_WIDTH, &long_address);
 	if (ACPI_FAILURE(status)) {
 		acpi_log_error("%s: Could not convert to a physical address\n",
 			       ascii_address);
 		return (-1);
 	}
 
-	address = (acpi_physical_address) long_address;
+	address = (acpi_physical_address)long_address;
 	status = acpi_os_get_table_by_address(address, &table);
 	if (ACPI_FAILURE(status)) {
 		acpi_log_error("Could not get table at 0x%8.8X%8.8X, %s\n",
@@ -406,6 +407,12 @@
 		return (-1);
 	}
 
+	if (!acpi_ut_valid_nameseg(table->signature)) {
+		acpi_log_error
+		    ("No valid ACPI signature was found in input file %s\n",
+		     pathname);
+	}
+
 	/* File must be at least as long as the table length */
 
 	if (table->length > file_size) {
diff --git a/tools/power/acpi/tools/acpidump/apmain.c b/tools/power/acpi/tools/acpidump/apmain.c
index c3c0915..7692e6b 100644
--- a/tools/power/acpi/tools/acpidump/apmain.c
+++ b/tools/power/acpi/tools/acpidump/apmain.c
@@ -209,7 +209,8 @@
 		case 'r':	/* Dump tables from specified RSDP */
 
 			status =
-			    acpi_ut_strtoul64(acpi_gbl_optarg, 0,
+			    acpi_ut_strtoul64(acpi_gbl_optarg, ACPI_ANY_BASE,
+					      ACPI_MAX64_BYTE_WIDTH,
 					      &gbl_rsdp_base);
 			if (ACPI_FAILURE(status)) {
 				acpi_log_error