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From: Jeff Garzik <>
To:, Andrew Morton <>
Cc: LKML <>
Subject: [PATCH] x86-64: define dma noncoherent API functions
Date: Wed, 31 Jan 2007 07:41:07 -0500	[thread overview]
Message-ID: <> (raw)

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,

             reply	other threads:[~2007-01-31 12:41 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-31 12:41 Jeff Garzik [this message]
2007-01-31 22:07 ` Russell King

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