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authorPaul Mackerras <paulus@samba.org>2006-12-04 15:59:07 +1100
committerPaul Mackerras <paulus@samba.org>2006-12-04 15:59:07 +1100
commit79acbb3ff2d8095b692e1502b9eb2ccec348de26 (patch)
tree6ab773e5a8f9de2cd6443362b21d0d6fffe3b35e /arch/arm/mm/consistent.c
parent19a79859e168640f8e16d7b216d211c1c52b687a (diff)
parent2b5f6dcce5bf94b9b119e9ed8d537098ec61c3d2 (diff)
Merge branch 'linux-2.6' into for-linus
Diffstat (limited to 'arch/arm/mm/consistent.c')
-rw-r--r--arch/arm/mm/consistent.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/mm/consistent.c b/arch/arm/mm/consistent.c
index 50e6b6bfb2e2..b797217e82be 100644
--- a/arch/arm/mm/consistent.c
+++ b/arch/arm/mm/consistent.c
@@ -476,6 +476,9 @@ core_initcall(consistent_init);
/*
* Make an area consistent for devices.
+ * Note: Drivers should NOT use this function directly, as it will break
+ * platforms with CONFIG_DMABOUNCE.
+ * Use the driver DMA support - see dma-mapping.h (dma_sync_*)
*/
void consistent_sync(void *vaddr, size_t size, int direction)
{