[PATCH] remove asm-*/hdreg.h

[linux-2.6] / include / asm-arm / dma-mapping.h

diff --git a/include/asm-arm/dma-mapping.h b/include/asm-arm/dma-mapping.h
index 925d016dd4b51ecf21fdc8a28d6f9532472d73de..d62ade4e4cbb24facf3b95a3774e4ec508ba6001 100644 (file)
--- a/include/asm-arm/dma-mapping.h
+++ b/include/asm-arm/dma-mapping.h
@@ -21,6 +21,9 @@ extern void consistent_sync(void *kaddr, size_t size, int rw);
  * properly.  For example, if your device can only drive the low 24-bits
  * during bus mastering, then you would pass 0x00ffffff as the mask
  * to this function.
+ *
+ * FIXME: This should really be a platform specific issue - we should
+ * return false if GFP_DMA allocations may not satisfy the supplied 'mask'.
  */
 static inline int dma_supported(struct device *dev, u64 mask)
 {