diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-07-08 21:26:59 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-07-12 11:08:12 +0100 |
| commit | 022ae537b23cb14a391565e9ad9e9945f4b17138 (patch) | |
| tree | e167c03036fcc09d7131fa364efa70c9e3d5b92a /arch/arm/mm/mm.h | |
| parent | 3973c337759cd201773a0ecc7b6f39f1ea2a6287 (diff) | |
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/mm/mm.h')
| -rw-r--r-- | arch/arm/mm/mm.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h index 5b3d7d543659..010566799c80 100644 --- a/arch/arm/mm/mm.h +++ b/arch/arm/mm/mm.h @@ -23,5 +23,11 @@ extern void __flush_dcache_page(struct address_space *mapping, struct page *page #endif +#ifdef CONFIG_ZONE_DMA +extern u32 arm_dma_limit; +#else +#define arm_dma_limit ((u32)~0) +#endif + void __init bootmem_init(void); void arm_mm_memblock_reserve(void); |