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* [PATCH] x86-64: define dma noncoherent API functions
@ 2007-01-31 12:41 Jeff Garzik
  2007-01-31 22:07 ` Russell King
  0 siblings, 1 reply; 2+ messages in thread
From: Jeff Garzik @ 2007-01-31 12:41 UTC (permalink / raw)
  To: ak, Andrew Morton; +Cc: LKML

x86-64 is missing these:

Signed-off-by: Jeff Garzik <>

diff --git a/include/asm-x86_64/dma-mapping.h b/include/asm-x86_64/dma-mapping.h
index be9ec68..49dbab0 100644
--- a/include/asm-x86_64/dma-mapping.h
+++ b/include/asm-x86_64/dma-mapping.h
@@ -63,6 +63,9 @@ static inline int dma_mapping_error(dma_addr_t dma_addr)
 	return (dma_addr == bad_dma_address);
+#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
+#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
 extern void *dma_alloc_coherent(struct device *dev, size_t size,
 				dma_addr_t *dma_handle, gfp_t gfp);
 extern void dma_free_coherent(struct device *dev, size_t size, void *vaddr,

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2007-01-31 12:41 [PATCH] x86-64: define dma noncoherent API functions Jeff Garzik
2007-01-31 22:07 ` Russell King

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