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| author | Catalin Marinas <catalin.marinas@arm.com> | 2007-02-05 14:48:08 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-02-08 15:49:40 +0100 |
| commit | 953233dc9958ba2b29753d0f24e37a33a076a5f6 (patch) | |
| tree | b9cc9ddc82722dc79a72a8c6f4977566ec2e0384 /arch/arm/common/dmabounce.c | |
| parent | [ARM] Don't call consistent_sync() for DMA coherent memory (diff) | |
| download | linux-953233dc9958ba2b29753d0f24e37a33a076a5f6.tar.xz linux-953233dc9958ba2b29753d0f24e37a33a076a5f6.zip | |
[ARM] 4134/1: Add generic support for outer caches
The outer cache can be L2 as on RealView/EB MPCore platform or even L3
or further on ARMv7 cores. This patch adds the generic support for
flushing the outer cache in the DMA operations.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/common/dmabounce.c')
| -rw-r--r-- | arch/arm/common/dmabounce.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c index 272702accd8b..b4748e3171c6 100644 --- a/arch/arm/common/dmabounce.c +++ b/arch/arm/common/dmabounce.c @@ -338,6 +338,7 @@ unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, */ ptr = (unsigned long)buf->ptr; dmac_clean_range(ptr, ptr + size); + outer_clean_range(__pa(ptr), __pa(ptr) + size); } free_safe_buffer(device_info, buf); } |