The patch titled
asm-generic: remove calling flush_write_buffers() in dma_sync_*_for_cpu
has been removed from the -mm tree. Its filename was
asm-generic-remove-calling-flush_write_buffers-in-dma_sync__for_cpu.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: asm-generic: remove calling flush_write_buffers() in dma_sync_*_for_cpu
From: Ming Lei <tom.leiming@xxxxxxxxx>
dma_sync_*_for_cpu() is introduced to make cpu access dma buffers safely when
dma transfer is over, it seems there is nothing to do with cpu write buffer,
so remove it.
Signed-off-by: Ming Lei <tom.leiming@xxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>
Cc: Joerg Roedel <joerg.roedel@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/asm-generic/dma-mapping-common.h | 3 ---
1 file changed, 3 deletions(-)
diff -puN include/asm-generic/dma-mapping-common.h~asm-generic-remove-calling-flush_write_buffers-in-dma_sync__for_cpu include/asm-generic/dma-mapping-common.h
--- a/include/asm-generic/dma-mapping-common.h~asm-generic-remove-calling-flush_write_buffers-in-dma_sync__for_cpu
+++ a/include/asm-generic/dma-mapping-common.h
@@ -103,7 +103,6 @@ static inline void dma_sync_single_for_c
if (ops->sync_single_for_cpu)
ops->sync_single_for_cpu(dev, addr, size, dir);
debug_dma_sync_single_for_cpu(dev, addr, size, dir);
- flush_write_buffers();
}
static inline void dma_sync_single_for_device(struct device *dev,
@@ -132,7 +131,6 @@ static inline void dma_sync_single_range
ops->sync_single_range_for_cpu(dev, addr, offset, size, dir);
debug_dma_sync_single_range_for_cpu(dev, addr, offset, size, dir);
- flush_write_buffers();
} else
dma_sync_single_for_cpu(dev, addr, size, dir);
}
@@ -165,7 +163,6 @@ dma_sync_sg_for_cpu(struct device *dev,
if (ops->sync_sg_for_cpu)
ops->sync_sg_for_cpu(dev, sg, nelems, dir);
debug_dma_sync_sg_for_cpu(dev, sg, nelems, dir);
- flush_write_buffers();
}
static inline void
_
Patches currently in -mm which might be from tom.leiming@xxxxxxxxx are
linux-next.patch
drivers-video-add-kmalloc-null-tests.patch
drivers-video-add-kmalloc-null-tests-fix.patch
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