MIPS: IP27: Switch from DMA_IP27 to DMA_COHERENT
The special IP27 DMA code selected by DMA_IP27 has been removed a while
ago turning DMA_IP27 into almost a nop. Also fixup the broken logic of
its last users memcpy.S and memcpy-inatomic.s.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 52c80c2..71e8ebd 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -351,7 +351,7 @@
select ARC64
select BOOT_ELF64
select DEFAULT_SGI_PARTITION
- select DMA_IP27
+ select DMA_COHERENT
select SYS_HAS_EARLY_PRINTK
select HW_HAS_PCI
select NR_CPUS_DEFAULT_64
@@ -761,9 +761,6 @@
config DMA_COHERENT
bool
-config DMA_IP27
- bool
-
config DMA_NONCOHERENT
bool
select DMA_NEED_PCI_MAP_STATE
diff --git a/arch/mips/configs/ip27_defconfig b/arch/mips/configs/ip27_defconfig
index 34ea319..f2baea3 100644
--- a/arch/mips/configs/ip27_defconfig
+++ b/arch/mips/configs/ip27_defconfig
@@ -53,7 +53,7 @@
CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
CONFIG_ARC=y
-CONFIG_DMA_IP27=y
+CONFIG_DMA_COHERENT=y
CONFIG_EARLY_PRINTK=y
CONFIG_SYS_HAS_EARLY_PRINTK=y
# CONFIG_NO_IOPORT is not set
diff --git a/arch/mips/lib/memcpy-inatomic.S b/arch/mips/lib/memcpy-inatomic.S
index 736d0fb..68853a0 100644
--- a/arch/mips/lib/memcpy-inatomic.S
+++ b/arch/mips/lib/memcpy-inatomic.S
@@ -21,7 +21,7 @@
* end of memory on some systems. It's also a seriously bad idea on non
* dma-coherent systems.
*/
-#if !defined(CONFIG_DMA_COHERENT) || !defined(CONFIG_DMA_IP27)
+#ifdef CONFIG_DMA_NONCOHERENT
#undef CONFIG_CPU_HAS_PREFETCH
#endif
#ifdef CONFIG_MIPS_MALTA
diff --git a/arch/mips/lib/memcpy.S b/arch/mips/lib/memcpy.S
index c06cccf..56a1f85 100644
--- a/arch/mips/lib/memcpy.S
+++ b/arch/mips/lib/memcpy.S
@@ -21,7 +21,7 @@
* end of memory on some systems. It's also a seriously bad idea on non
* dma-coherent systems.
*/
-#if !defined(CONFIG_DMA_COHERENT) || !defined(CONFIG_DMA_IP27)
+#ifdef CONFIG_DMA_NONCOHERENT
#undef CONFIG_CPU_HAS_PREFETCH
#endif
#ifdef CONFIG_MIPS_MALTA
