summaryrefslogtreecommitdiffstats
path: root/arch/arm/common
diff options
context:
space:
mode:
authorCatalin Marinas <catalin.marinas@arm.com>2007-02-05 14:48:08 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2007-02-08 14:49:40 +0000
commit953233dc9958ba2b29753d0f24e37a33a076a5f6 (patch)
treeb9cc9ddc82722dc79a72a8c6f4977566ec2e0384 /arch/arm/common
parent7f8e33546d17c7d8849be3a6623c3b6b3c9b588b (diff)
downloadtalos-op-linux-953233dc9958ba2b29753d0f24e37a33a076a5f6.tar.gz
talos-op-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')
-rw-r--r--arch/arm/common/dmabounce.c1
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);
}
OpenPOWER on IntegriCloud