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authorPaul Mackerras2006-12-04 05:59:07 +0100
committerPaul Mackerras2006-12-04 05:59:07 +0100
commit79acbb3ff2d8095b692e1502b9eb2ccec348de26 (patch)
tree6ab773e5a8f9de2cd6443362b21d0d6fffe3b35e /include/asm-arm/dma-mapping.h
parent[PATCH] ppc: Fix io.h for config with CONFIG_PCI not set (diff)
parent[XFRM]: Fix aevent structuring to be more complete. (diff)
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Merge branch 'linux-2.6' into for-linus
Diffstat (limited to 'include/asm-arm/dma-mapping.h')
-rw-r--r--include/asm-arm/dma-mapping.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-arm/dma-mapping.h b/include/asm-arm/dma-mapping.h
index 55eb4dc3253d..666617711c81 100644
--- a/include/asm-arm/dma-mapping.h
+++ b/include/asm-arm/dma-mapping.h
@@ -12,6 +12,10 @@
* uncached, unwrite-buffered mapped memory space for use with DMA
* devices. This is the "generic" version. The PCI specific version
* is in pci.h
+ *
+ * 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_*)
*/
extern void consistent_sync(void *kaddr, size_t size, int rw);