git.openpandora.org
/
pandora-kernel.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
[pandora-kernel.git]
/
arch
/
arm
/
mm
/
dma-mapping.c
diff --git
a/arch/arm/mm/dma-mapping.c
b/arch/arm/mm/dma-mapping.c
index
4bc43e5
..
e4dd064
100644
(file)
--- a/
arch/arm/mm/dma-mapping.c
+++ b/
arch/arm/mm/dma-mapping.c
@@
-523,6
+523,12
@@
void ___dma_page_dev_to_cpu(struct page *page, unsigned long off,
outer_inv_range(paddr, paddr + size);
dma_cache_maint_page(page, off, size, dir, dmac_unmap_area);
outer_inv_range(paddr, paddr + size);
dma_cache_maint_page(page, off, size, dir, dmac_unmap_area);
+
+ /*
+ * Mark the D-cache clean for this page to avoid extra flushing.
+ */
+ if (dir != DMA_TO_DEVICE && off == 0 && size >= PAGE_SIZE)
+ set_bit(PG_dcache_clean, &page->flags);
}
EXPORT_SYMBOL(___dma_page_dev_to_cpu);
}
EXPORT_SYMBOL(___dma_page_dev_to_cpu);