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author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-07-08 21:26:59 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-07-12 11:08:12 +0100 |
commit | 022ae537b23cb14a391565e9ad9e9945f4b17138 (patch) | |
tree | e167c03036fcc09d7131fa364efa70c9e3d5b92a /arch/arm/include/asm/memory.h | |
parent | 3973c337759cd201773a0ecc7b6f39f1ea2a6287 (diff) | |
download | op-kernel-dev-022ae537b23cb14a391565e9ad9e9945f4b17138.zip op-kernel-dev-022ae537b23cb14a391565e9ad9e9945f4b17138.tar.gz |
ARM: dma: replace ISA_DMA_THRESHOLD with a variable
ISA_DMA_THRESHOLD has been unused by non-arch code, so lets now get
rid of it from ARM by replacing it with arm_dma_zone_mask. Move
dma_supported() and dma_set_mask() out of line, and have
dma_supported() check this new variable instead.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include/asm/memory.h')
-rw-r--r-- | arch/arm/include/asm/memory.h | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index af44a8f..b8de516 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -204,18 +204,6 @@ static inline unsigned long __phys_to_virt(unsigned long x) #endif /* - * The DMA mask corresponding to the maximum bus address allocatable - * using GFP_DMA. The default here places no restriction on DMA - * allocations. This must be the smallest DMA mask in the system, - * so a successful GFP_DMA allocation will always satisfy this. - */ -#ifndef ARM_DMA_ZONE_SIZE -#define ISA_DMA_THRESHOLD (0xffffffffULL) -#else -#define ISA_DMA_THRESHOLD (PHYS_OFFSET + ARM_DMA_ZONE_SIZE - 1) -#endif - -/* * PFNs are used to describe any physical page; this means * PFN 0 == physical address 0. * |