diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 194aaca..6a8861b 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -128,8 +128,6 @@
 
 /* SH Eth */
 #define SH_ETH_ADDR	(0xA4600000)
-#define SH_ETH_MAHR	(SH_ETH_ADDR + 0x1C0)
-#define SH_ETH_MALR	(SH_ETH_ADDR + 0x1C8)
 static struct resource sh_eth_resources[] = {
 	[0] = {
 		.start = SH_ETH_ADDR,
@@ -509,6 +507,7 @@
 
 #else
 
+/* MMC SPI */
 static int mmc_spi_get_ro(struct device *dev)
 {
 	return gpio_get_value(GPIO_PTY6);
@@ -542,6 +541,7 @@
 	},
 };
 
+/* MSIOF0 */
 static struct sh_msiof_spi_info msiof0_data = {
 	.num_chipselect = 1,
 };
diff --git a/arch/sh/include/asm/dma.h b/arch/sh/include/asm/dma.h
index 04ad0e1..07373a0 100644
--- a/arch/sh/include/asm/dma.h
+++ b/arch/sh/include/asm/dma.h
@@ -19,9 +19,11 @@
 #include <asm-generic/dma.h>
 
 #ifdef CONFIG_NR_DMA_CHANNELS
-#  define MAX_DMA_CHANNELS   (CONFIG_NR_DMA_CHANNELS)
+#  define MAX_DMA_CHANNELS	(CONFIG_NR_DMA_CHANNELS)
+#elif defined(CONFIG_NR_ONCHIP_DMA_CHANNELS)
+#  define MAX_DMA_CHANNELS	(CONFIG_NR_ONCHIP_DMA_CHANNELS)
 #else
-#  define MAX_DMA_CHANNELS   (CONFIG_NR_ONCHIP_DMA_CHANNELS)
+#  define MAX_DMA_CHANNELS	0
 #endif
 
 /*
diff --git a/arch/sh/include/cpu-sh4/cpu/dma-sh4a.h b/arch/sh/include/cpu-sh4/cpu/dma-sh4a.h
index f0886bc..c4ed660 100644
--- a/arch/sh/include/cpu-sh4/cpu/dma-sh4a.h
+++ b/arch/sh/include/cpu-sh4/cpu/dma-sh4a.h
@@ -19,10 +19,10 @@
 #elif defined(CONFIG_CPU_SUBTYPE_SH7723) || \
       defined(CONFIG_CPU_SUBTYPE_SH7724)
 #define DMTE0_IRQ	48	/* DMAC0A*/
-#define DMTE4_IRQ	40	/* DMAC0B */
-#define DMTE6_IRQ	42
-#define DMTE8_IRQ	76	/* DMAC1A */
-#define DMTE9_IRQ	77
+#define DMTE4_IRQ	76	/* DMAC0B */
+#define DMTE6_IRQ	40
+#define DMTE8_IRQ	42	/* DMAC1A */
+#define DMTE9_IRQ	43
 #define DMTE10_IRQ	72	/* DMAC1B */
 #define DMTE11_IRQ	73
 #define DMAE0_IRQ	78	/* DMA Error IRQ*/
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
index a52f351..d32f96c 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
@@ -23,9 +23,23 @@
 #include <linux/notifier.h>
 #include <asm/suspend.h>
 #include <asm/clock.h>
+#include <asm/dma-sh.h>
 #include <asm/mmzone.h>
 #include <cpu/sh7724.h>
 
+/* DMA */
+static struct sh_dmae_pdata dma_platform_data = {
+	.mode = SHDMA_DMAOR1,
+};
+
+static struct platform_device dma_device = {
+	.name	= "sh-dma-engine",
+	.id		= -1,
+	.dev	= {
+		.platform_data	= &dma_platform_data,
+	},
+};
+
 /* Serial */
 static struct plat_sci_port scif0_platform_data = {
 	.mapbase        = 0xffe00000,
@@ -649,6 +663,7 @@
 	&tmu3_device,
 	&tmu4_device,
 	&tmu5_device,
+	&dma_device,
 	&rtc_device,
 	&iic0_device,
 	&iic1_device,
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
index ef26ebd..f685b9b 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
@@ -14,6 +14,7 @@
 #include <linux/io.h>
 #include <linux/mm.h>
 #include <linux/sh_timer.h>
+#include <asm/dma-sh.h>
 #include <asm/mmzone.h>
 
 static struct plat_sci_port scif0_platform_data = {
@@ -294,6 +295,18 @@
 	.num_resources	= ARRAY_SIZE(tmu5_resources),
 };
 
+static struct sh_dmae_pdata dma_platform_data = {
+	.mode = (SHDMA_MIX_IRQ | SHDMA_DMAOR1),
+};
+
+static struct platform_device dma_device = {
+	.name           = "sh-dma-engine",
+	.id             = -1,
+	.dev            = {
+		.platform_data  = &dma_platform_data,
+	},
+};
+
 static struct platform_device *sh7785_devices[] __initdata = {
 	&scif0_device,
 	&scif1_device,
@@ -307,6 +320,7 @@
 	&tmu3_device,
 	&tmu4_device,
 	&tmu5_device,
+	&dma_device,
 };
 
 static int __init sh7785_devices_setup(void)
diff --git a/arch/sh/kernel/idle.c b/arch/sh/kernel/idle.c
index aaff003..6b3d706 100644
--- a/arch/sh/kernel/idle.c
+++ b/arch/sh/kernel/idle.c
@@ -62,6 +62,7 @@
 		clear_thread_flag(TIF_POLLING_NRFLAG);
 		smp_mb__after_clear_bit();
 
+		set_bl_bit();
 		if (!need_resched()) {
 			local_irq_enable();
 			cpu_sleep();
@@ -69,6 +70,7 @@
 			local_irq_enable();
 
 		set_thread_flag(TIF_POLLING_NRFLAG);
+		clear_bl_bit();
 	} else
 		poll_idle();
 }
diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c
index e9415d3..b8607fa 100644
--- a/arch/sh/mm/cache.c
+++ b/arch/sh/mm/cache.c
@@ -133,12 +133,8 @@
 	page = pfn_to_page(pfn);
 	if (pfn_valid(pfn)) {
 		int dirty = test_and_clear_bit(PG_dcache_dirty, &page->flags);
-		if (dirty) {
-			unsigned long addr = (unsigned long)page_address(page);
-
-			if (pages_do_alias(addr, address & PAGE_MASK))
-				__flush_purge_region((void *)addr, PAGE_SIZE);
-		}
+		if (dirty)
+			__flush_purge_region(page_address(page), PAGE_SIZE);
 	}
 }
 
diff --git a/drivers/i2c/busses/i2c-bfin-twi.c b/drivers/i2c/busses/i2c-bfin-twi.c
index b309ac2..fe3fb56 100644
--- a/drivers/i2c/busses/i2c-bfin-twi.c
+++ b/drivers/i2c/busses/i2c-bfin-twi.c
@@ -693,13 +693,13 @@
 	}
 
 	/* Set TWI internal clock as 10MHz */
-	write_CONTROL(iface, ((get_sclk() / 1024 / 1024 + 5) / 10) & 0x7F);
+	write_CONTROL(iface, ((get_sclk() / 1000 / 1000 + 5) / 10) & 0x7F);
 
 	/*
 	 * We will not end up with a CLKDIV=0 because no one will specify
-	 * 20kHz SCL or less in Kconfig now. (5 * 1024 / 20 = 0x100)
+	 * 20kHz SCL or less in Kconfig now. (5 * 1000 / 20 = 250)
 	 */
-	clkhilow = 5 * 1024 / CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ;
+	clkhilow = ((10 * 1000 / CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ) + 1) / 2;
 
 	/* Set Twi interface clock as specified */
 	write_CLKDIV(iface, (clkhilow << 8) | clkhilow);
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index 75bf3ad..0037e31 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -247,7 +247,13 @@
 		omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, OMAP_I2C_CON_EN);
 	}
 	dev->idle = 0;
-	omap_i2c_write_reg(dev, OMAP_I2C_IE_REG, dev->iestate);
+
+	/*
+	 * Don't write to this register if the IE state is 0 as it can
+	 * cause deadlock.
+	 */
+	if (dev->iestate)
+		omap_i2c_write_reg(dev, OMAP_I2C_IE_REG, dev->iestate);
 }
 
 static void omap_i2c_idle(struct omap_i2c_dev *dev)
@@ -280,6 +286,11 @@
 	unsigned long internal_clk = 0;
 
 	if (dev->rev >= OMAP_I2C_REV_2) {
+		/* Disable I2C controller before soft reset */
+		omap_i2c_write_reg(dev, OMAP_I2C_CON_REG,
+			omap_i2c_read_reg(dev, OMAP_I2C_CON_REG) &
+				~(OMAP_I2C_CON_EN));
+
 		omap_i2c_write_reg(dev, OMAP_I2C_SYSC_REG, SYSC_SOFTRESET_MASK);
 		/* For some reason we need to set the EN bit before the
 		 * reset done bit gets set. */
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 68c7f6c..37f0de9 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -222,9 +222,9 @@
 		   Set SCP6MD1,0 = {01} (output)  */
 		__raw_writew((data & 0x0fcf) | 0x1000, SCPCR);
 
-		data = ctrl_inb(SCPDR);
+		data = __raw_readb(SCPDR);
 		/* Set /RTS2 (bit6) = 0 */
-		ctrl_outb(data & 0xbf, SCPDR);
+		__raw_writeb(data & 0xbf, SCPDR);
 	}
 }
 #elif defined(CONFIG_CPU_SUBTYPE_SH7722)
@@ -897,11 +897,21 @@
 static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
 			    struct ktermios *old)
 {
-	unsigned int status, baud, smr_val;
+	unsigned int status, baud, smr_val, max_baud;
 	int t = -1;
 
-	baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16);
-	if (likely(baud))
+	/*
+	 * earlyprintk comes here early on with port->uartclk set to zero.
+	 * the clock framework is not up and running at this point so here
+	 * we assume that 115200 is the maximum baud rate. please note that
+	 * the baud rate is not programmed during earlyprintk - it is assumed
+	 * that the previous boot loader has enabled required clocks and
+	 * setup the baud rate generator hardware for us already.
+	 */
+	max_baud = port->uartclk ? port->uartclk / 16 : 115200;
+
+	baud = uart_get_baud_rate(port, termios, old, 0, max_baud);
+	if (likely(baud && port->uartclk))
 		t = SCBRR_VALUE(baud, port->uartclk);
 
 	do {
diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h
index a32094ee..0efcded5 100644
--- a/drivers/serial/sh-sci.h
+++ b/drivers/serial/sh-sci.h
@@ -517,20 +517,20 @@
 static inline int sci_rxd_in(struct uart_port *port)
 {
 	if (port->mapbase == 0xfffffe80)
-		return ctrl_inb(SCPDR)&0x01 ? 1 : 0; /* SCI */
+		return __raw_readb(SCPDR)&0x01 ? 1 : 0; /* SCI */
 	if (port->mapbase == 0xa4000150)
-		return ctrl_inb(SCPDR)&0x10 ? 1 : 0; /* SCIF */
+		return __raw_readb(SCPDR)&0x10 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xa4000140)
-		return ctrl_inb(SCPDR)&0x04 ? 1 : 0; /* IRDA */
+		return __raw_readb(SCPDR)&0x04 ? 1 : 0; /* IRDA */
 	return 1;
 }
 #elif defined(CONFIG_CPU_SUBTYPE_SH7705)
 static inline int sci_rxd_in(struct uart_port *port)
 {
 	if (port->mapbase == SCIF0)
-		return ctrl_inb(SCPDR)&0x04 ? 1 : 0; /* IRDA */
+		return __raw_readb(SCPDR)&0x04 ? 1 : 0; /* IRDA */
 	if (port->mapbase == SCIF2)
-		return ctrl_inb(SCPDR)&0x10 ? 1 : 0; /* SCIF */
+		return __raw_readb(SCPDR)&0x10 ? 1 : 0; /* SCIF */
 	return 1;
 }
 #elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712)
@@ -557,68 +557,68 @@
 static inline int sci_rxd_in(struct uart_port *port)
 {
 	if (port->mapbase == 0xffe00000)
-		return ctrl_inb(SCSPTR1)&0x01 ? 1 : 0; /* SCI */
+		return __raw_readb(SCSPTR1)&0x01 ? 1 : 0; /* SCI */
 	if (port->mapbase == 0xffe80000)
-		return ctrl_inw(SCSPTR2)&0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR2)&0x0001 ? 1 : 0; /* SCIF */
 	return 1;
 }
 #elif defined(CONFIG_CPU_SUBTYPE_SH4_202)
 static inline int sci_rxd_in(struct uart_port *port)
 {
 	if (port->mapbase == 0xffe80000)
-		return ctrl_inw(SCSPTR2)&0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR2)&0x0001 ? 1 : 0; /* SCIF */
 	return 1;
 }
 #elif defined(CONFIG_CPU_SUBTYPE_SH7757)
 static inline int sci_rxd_in(struct uart_port *port)
 {
 	if (port->mapbase == 0xfe4b0000)
-		return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0;
+		return __raw_readw(SCSPTR0) & 0x0001 ? 1 : 0;
 	if (port->mapbase == 0xfe4c0000)
-		return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0;
+		return __raw_readw(SCSPTR1) & 0x0001 ? 1 : 0;
 	if (port->mapbase == 0xfe4d0000)
-		return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0;
+		return __raw_readw(SCSPTR2) & 0x0001 ? 1 : 0;
 }
 #elif defined(CONFIG_CPU_SUBTYPE_SH7760)
 static inline int sci_rxd_in(struct uart_port *port)
 {
 	if (port->mapbase == 0xfe600000)
-		return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xfe610000)
-		return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xfe620000)
-		return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
 	return 1;
 }
 #elif defined(CONFIG_CPU_SUBTYPE_SH7343)
 static inline int sci_rxd_in(struct uart_port *port)
 {
 	if (port->mapbase == 0xffe00000)
-		return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xffe10000)
-		return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xffe20000)
-		return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xffe30000)
-		return ctrl_inw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
 	return 1;
 }
 #elif defined(CONFIG_CPU_SUBTYPE_SH7366)
 static inline int sci_rxd_in(struct uart_port *port)
 {
 	if (port->mapbase == 0xffe00000)
-		return ctrl_inb(SCPDR0) & 0x0001 ? 1 : 0; /* SCIF0 */
+		return __raw_readb(SCPDR0) & 0x0001 ? 1 : 0; /* SCIF0 */
 	return 1;
 }
 #elif defined(CONFIG_CPU_SUBTYPE_SH7722)
 static inline int sci_rxd_in(struct uart_port *port)
 {
 	if (port->mapbase == 0xffe00000)
-		return ctrl_inb(PSDR) & 0x02 ? 1 : 0; /* SCIF0 */
+		return __raw_readb(PSDR) & 0x02 ? 1 : 0; /* SCIF0 */
 	if (port->mapbase == 0xffe10000)
-		return ctrl_inb(PADR) & 0x40 ? 1 : 0; /* SCIF1 */
+		return __raw_readb(PADR) & 0x40 ? 1 : 0; /* SCIF1 */
 	if (port->mapbase == 0xffe20000)
-		return ctrl_inb(PWDR) & 0x04 ? 1 : 0; /* SCIF2 */
+		return __raw_readb(PWDR) & 0x04 ? 1 : 0; /* SCIF2 */
 
 	return 1;
 }
@@ -626,17 +626,17 @@
 static inline int sci_rxd_in(struct uart_port *port)
 {
         if (port->mapbase == 0xffe00000)
-                return ctrl_inb(SCSPTR0) & 0x0008 ? 1 : 0; /* SCIF0 */
+                return __raw_readb(SCSPTR0) & 0x0008 ? 1 : 0; /* SCIF0 */
         if (port->mapbase == 0xffe10000)
-                return ctrl_inb(SCSPTR1) & 0x0020 ? 1 : 0; /* SCIF1 */
+                return __raw_readb(SCSPTR1) & 0x0020 ? 1 : 0; /* SCIF1 */
         if (port->mapbase == 0xffe20000)
-                return ctrl_inb(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF2 */
+                return __raw_readb(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF2 */
         if (port->mapbase == 0xa4e30000)
-                return ctrl_inb(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF3 */
+                return __raw_readb(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF3 */
         if (port->mapbase == 0xa4e40000)
-                return ctrl_inb(SCSPTR4) & 0x0001 ? 1 : 0; /* SCIF4 */
+                return __raw_readb(SCSPTR4) & 0x0001 ? 1 : 0; /* SCIF4 */
         if (port->mapbase == 0xa4e50000)
-                return ctrl_inb(SCSPTR5) & 0x0008 ? 1 : 0; /* SCIF5 */
+                return __raw_readb(SCSPTR5) & 0x0008 ? 1 : 0; /* SCIF5 */
         return 1;
 }
 #elif defined(CONFIG_CPU_SUBTYPE_SH7724)
@@ -645,9 +645,9 @@
 static inline int sci_rxd_in(struct uart_port *port)
 {
 	if (port->type == PORT_SCIF)
-		return ctrl_inw((port->mapbase + SCFSR))  & SCIF_BRK ? 1 : 0;
+		return __raw_readw((port->mapbase + SCFSR))  & SCIF_BRK ? 1 : 0;
 	if (port->type == PORT_SCIFA)
-		return ctrl_inw((port->mapbase + SCASSR)) & SCIF_BRK ? 1 : 0;
+		return __raw_readw((port->mapbase + SCASSR)) & SCIF_BRK ? 1 : 0;
 	return 1;
 }
 #elif defined(CONFIG_CPU_SUBTYPE_SH5_101) || defined(CONFIG_CPU_SUBTYPE_SH5_103)
@@ -665,11 +665,11 @@
 static inline int sci_rxd_in(struct uart_port *port)
 {
 	if (port->mapbase == 0xffe00000)
-		return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xffe08000)
-		return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xffe10000)
-		return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF/IRDA */
+		return __raw_readw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF/IRDA */
 
 	return 1;
 }
@@ -677,20 +677,20 @@
 static inline int sci_rxd_in(struct uart_port *port)
 {
 	if (port->mapbase == 0xff923000)
-		return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xff924000)
-		return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xff925000)
-		return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
 	return 1;
 }
 #elif defined(CONFIG_CPU_SUBTYPE_SH7780)
 static inline int sci_rxd_in(struct uart_port *port)
 {
 	if (port->mapbase == 0xffe00000)
-		return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xffe10000)
-		return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
 	return 1;
 }
 #elif defined(CONFIG_CPU_SUBTYPE_SH7785) || \
@@ -698,17 +698,17 @@
 static inline int sci_rxd_in(struct uart_port *port)
 {
 	if (port->mapbase == 0xffea0000)
-		return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xffeb0000)
-		return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xffec0000)
-		return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xffed0000)
-		return ctrl_inw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xffee0000)
-		return ctrl_inw(SCSPTR4) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR4) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xffef0000)
-		return ctrl_inw(SCSPTR5) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR5) & 0x0001 ? 1 : 0; /* SCIF */
 	return 1;
 }
 #elif defined(CONFIG_CPU_SUBTYPE_SH7201) || \
@@ -718,22 +718,22 @@
 static inline int sci_rxd_in(struct uart_port *port)
 {
 	if (port->mapbase == 0xfffe8000)
-		return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xfffe8800)
-		return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xfffe9000)
-		return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xfffe9800)
-		return ctrl_inw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
 #if defined(CONFIG_CPU_SUBTYPE_SH7201)
 	if (port->mapbase == 0xfffeA000)
-		return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xfffeA800)
-		return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xfffeB000)
-		return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xfffeB800)
-		return ctrl_inw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
 #endif
 	return 1;
 }
@@ -741,24 +741,24 @@
 static inline int sci_rxd_in(struct uart_port *port)
 {
 	if (port->mapbase == 0xf8400000)
-		return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xf8410000)
-		return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xf8420000)
-		return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
 	return 1;
 }
 #elif defined(CONFIG_CPU_SUBTYPE_SHX3)
 static inline int sci_rxd_in(struct uart_port *port)
 {
 	if (port->mapbase == 0xffc30000)
-		return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xffc40000)
-		return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xffc50000)
-		return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
 	if (port->mapbase == 0xffc60000)
-		return ctrl_inw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
+		return __raw_readw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
 	return 1;
 }
 #endif
diff --git a/drivers/watchdog/adx_wdt.c b/drivers/watchdog/adx_wdt.c
index 9c65944..9d7d155 100644
--- a/drivers/watchdog/adx_wdt.c
+++ b/drivers/watchdog/adx_wdt.c
@@ -242,14 +242,14 @@
 	}
 
 	res = devm_request_mem_region(&pdev->dev, res->start,
-			res->end - res->start + 1, res->name);
+			resource_size(res), res->name);
 	if (!res) {
 		dev_err(&pdev->dev, "cannot request I/O memory region\n");
 		return -ENXIO;
 	}
 
 	wdt->base = devm_ioremap_nocache(&pdev->dev, res->start,
-			res->end - res->start + 1);
+			resource_size(res));
 	if (!wdt->base) {
 		dev_err(&pdev->dev, "cannot remap I/O memory region\n");
 		return -ENXIO;
diff --git a/drivers/watchdog/at32ap700x_wdt.c b/drivers/watchdog/at32ap700x_wdt.c
index e8ae638..0378479 100644
--- a/drivers/watchdog/at32ap700x_wdt.c
+++ b/drivers/watchdog/at32ap700x_wdt.c
@@ -326,7 +326,7 @@
 		return -ENOMEM;
 	}
 
-	wdt->regs = ioremap(regs->start, regs->end - regs->start + 1);
+	wdt->regs = ioremap(regs->start, resource_size(regs));
 	if (!wdt->regs) {
 		ret = -ENOMEM;
 		dev_dbg(&pdev->dev, "could not map I/O memory\n");
diff --git a/drivers/watchdog/davinci_wdt.c b/drivers/watchdog/davinci_wdt.c
index 9d7520f..887136d 100644
--- a/drivers/watchdog/davinci_wdt.c
+++ b/drivers/watchdog/davinci_wdt.c
@@ -221,7 +221,7 @@
 		return -ENOENT;
 	}
 
-	size = res->end - res->start + 1;
+	size = resource_size(res);
 	wdt_mem = request_mem_region(res->start, size, pdev->name);
 
 	if (wdt_mem == NULL) {
diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c
index e44fbb3..c8a3bec 100644
--- a/drivers/watchdog/iTCO_wdt.c
+++ b/drivers/watchdog/iTCO_wdt.c
@@ -30,6 +30,7 @@
  *	document number 316972-004, 316973-012: 82801I (ICH9)
  *	document number 319973-002, 319974-002: 82801J (ICH10)
  *	document number 322169-001, 322170-001: 5 Series, 3400 Series (PCH)
+ *	document number 320066-003, 320257-008: EP80597 (IICH)
  */
 
 /*
@@ -100,6 +101,7 @@
 	TCO_PCH,	/* PCH Desktop Full Featured */
 	TCO_PCHM,	/* PCH Mobile Full Featured */
 	TCO_PCHMSFF,	/* PCH Mobile SFF Full Featured */
+	TCO_EP80579,	/* EP80579 */
 };
 
 static struct {
@@ -143,6 +145,7 @@
 	{"PCH Desktop Full Featured", 2},
 	{"PCH Mobile Full Featured", 2},
 	{"PCH Mobile SFF Full Featured", 2},
+	{"EP80579", 2},
 	{NULL, 0}
 };
 
@@ -214,6 +217,7 @@
 	{ ITCO_PCI_DEVICE(0x3b00,				TCO_PCH)},
 	{ ITCO_PCI_DEVICE(0x3b01,				TCO_PCHM)},
 	{ ITCO_PCI_DEVICE(0x3b0d,				TCO_PCHMSFF)},
+	{ ITCO_PCI_DEVICE(0x5031,				TCO_EP80579)},
 	{ 0, },			/* End of list */
 };
 MODULE_DEVICE_TABLE(pci, iTCO_wdt_pci_tbl);
diff --git a/drivers/watchdog/mpcore_wdt.c b/drivers/watchdog/mpcore_wdt.c
index 83fa34b..a2dc07c 100644
--- a/drivers/watchdog/mpcore_wdt.c
+++ b/drivers/watchdog/mpcore_wdt.c
@@ -350,7 +350,7 @@
 		ret = -ENXIO;
 		goto err_free;
 	}
-	wdt->base = ioremap(res->start, res->end - res->start + 1);
+	wdt->base = ioremap(res->start, resource_size(res));
 	if (!wdt->base) {
 		ret = -ENOMEM;
 		goto err_free;
diff --git a/drivers/watchdog/mv64x60_wdt.c b/drivers/watchdog/mv64x60_wdt.c
index acf589d..a51dbe4 100644
--- a/drivers/watchdog/mv64x60_wdt.c
+++ b/drivers/watchdog/mv64x60_wdt.c
@@ -275,7 +275,7 @@
 	if (!r)
 		return -ENODEV;
 
-	mv64x60_wdt_regs = ioremap(r->start, r->end - r->start + 1);
+	mv64x60_wdt_regs = ioremap(r->start, resource_size(r));
 	if (mv64x60_wdt_regs == NULL)
 		return -ENOMEM;
 
diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c
index 429ea99..c6aaf28 100644
--- a/drivers/watchdog/omap_wdt.c
+++ b/drivers/watchdog/omap_wdt.c
@@ -277,8 +277,7 @@
 		goto err_busy;
 	}
 
-	mem = request_mem_region(res->start, res->end - res->start + 1,
-				 pdev->name);
+	mem = request_mem_region(res->start, resource_size(res), pdev->name);
 	if (!mem) {
 		ret = -EBUSY;
 		goto err_busy;
@@ -306,7 +305,7 @@
 		goto err_clk;
 	}
 
-	wdev->base = ioremap(res->start, res->end - res->start + 1);
+	wdev->base = ioremap(res->start, resource_size(res));
 	if (!wdev->base) {
 		ret = -ENOMEM;
 		goto err_ioremap;
@@ -358,7 +357,7 @@
 	kfree(wdev);
 
 err_kzalloc:
-	release_mem_region(res->start, res->end - res->start + 1);
+	release_mem_region(res->start, resource_size(res));
 
 err_busy:
 err_get_resource:
@@ -383,7 +382,7 @@
 		return -ENOENT;
 
 	misc_deregister(&(wdev->omap_wdt_miscdev));
-	release_mem_region(res->start, res->end - res->start + 1);
+	release_mem_region(res->start, resource_size(res));
 	platform_set_drvdata(pdev, NULL);
 
 	clk_put(wdev->ick);
diff --git a/drivers/watchdog/pnx4008_wdt.c b/drivers/watchdog/pnx4008_wdt.c
index 4d227b15..430a584 100644
--- a/drivers/watchdog/pnx4008_wdt.c
+++ b/drivers/watchdog/pnx4008_wdt.c
@@ -264,7 +264,7 @@
 		return -ENOENT;
 	}
 
-	size = res->end - res->start + 1;
+	size = resource_size(res);
 	wdt_mem = request_mem_region(res->start, size, pdev->name);
 
 	if (wdt_mem == NULL) {
diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index 85b93e1..8760a26 100644
--- a/drivers/watchdog/s3c2410_wdt.c
+++ b/drivers/watchdog/s3c2410_wdt.c
@@ -421,7 +421,7 @@
 		return -ENOENT;
 	}
 
-	size = (res->end - res->start) + 1;
+	size = resource_size(res);
 	wdt_mem = request_mem_region(res->start, size, pdev->name);
 	if (wdt_mem == NULL) {
 		dev_err(dev, "failed to get memory region\n");
diff --git a/drivers/watchdog/txx9wdt.c b/drivers/watchdog/txx9wdt.c
index 6adab77..d635566 100644
--- a/drivers/watchdog/txx9wdt.c
+++ b/drivers/watchdog/txx9wdt.c
@@ -214,12 +214,10 @@
 	res = platform_get_resource(dev, IORESOURCE_MEM, 0);
 	if (!res)
 		goto exit_busy;
-	if (!devm_request_mem_region(&dev->dev,
-				     res->start, res->end - res->start + 1,
+	if (!devm_request_mem_region(&dev->dev, res->start, resource_size(res),
 				     "txx9wdt"))
 		goto exit_busy;
-	txx9wdt_reg = devm_ioremap(&dev->dev,
-				   res->start, res->end - res->start + 1);
+	txx9wdt_reg = devm_ioremap(&dev->dev, res->start, resource_size(res));
 	if (!txx9wdt_reg)
 		goto exit_busy;