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authorRalf Baechle <ralf@linux-mips.org>2015-03-27 17:10:30 +0300
committerRalf Baechle <ralf@linux-mips.org>2015-04-01 18:22:01 +0300
commit0acbfc66d09e97e5a01e7a23ac7e99f360ff851b (patch)
treee4dbdaefd70d249bd5fd15a862a55253ba5dc116 /arch/mips/mm
parent253073801363e5cea3cd368fed1afc3111a21c35 (diff)
downloadlinux-0acbfc66d09e97e5a01e7a23ac7e99f360ff851b.tar.xz
MIPS: DMA: Implement platform hook to perform post-DMA cache flushes.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/mm')
-rw-r--r--arch/mips/mm/dma-default.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index af5f046e627e..609d1241b0c4 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -258,7 +258,7 @@ static void mips_dma_unmap_page(struct device *dev, dma_addr_t dma_addr,
if (cpu_needs_post_dma_flush(dev))
__dma_sync(dma_addr_to_page(dev, dma_addr),
dma_addr & ~PAGE_MASK, size, direction);
-
+ plat_post_dma_flush(dev);
plat_unmap_dma_mem(dev, dma_addr, size, direction);
}
@@ -312,6 +312,7 @@ static void mips_dma_sync_single_for_cpu(struct device *dev,
if (cpu_needs_post_dma_flush(dev))
__dma_sync(dma_addr_to_page(dev, dma_handle),
dma_handle & ~PAGE_MASK, size, direction);
+ plat_post_dma_flush(dev);
}
static void mips_dma_sync_single_for_device(struct device *dev,
@@ -331,6 +332,7 @@ static void mips_dma_sync_sg_for_cpu(struct device *dev,
for (i = 0; i < nelems; i++, sg++)
__dma_sync(sg_page(sg), sg->offset, sg->length,
direction);
+ plat_post_dma_flush(dev);
}
static void mips_dma_sync_sg_for_device(struct device *dev,