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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>
This commit is contained in:
Ralf Baechle 2009-01-28 17:48:40 +00:00
parent 732f0462d5
commit 634286f127
4 changed files with 4 additions and 7 deletions
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5
arch/mips/Kconfig
View File

@ -351,7 +351,7 @@ config SGI_IP27
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 CFE
config DMA_COHERENT
bool
config DMA_IP27
bool
config DMA_NONCOHERENT
bool
select DMA_NEED_PCI_MAP_STATE

2
arch/mips/configs/ip27_defconfig
View File

@ -53,7 +53,7 @@ CONFIG_GENERIC_TIME=y
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

2
arch/mips/lib/memcpy-inatomic.S
View File

@ -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

2
arch/mips/lib/memcpy.S
View File

@ -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