aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/include/asm/dma-mapping.h
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2009-12-05 18:22:26 -0500
committerDavid S. Miller <davem@davemloft.net>2009-12-05 18:22:26 -0500
commit28b4d5cc17c20786848cdc07b7ea237a309776bb (patch)
treebae406a4b17229dcce7c11be5073f7a67665e477 /arch/x86/include/asm/dma-mapping.h
parentd29cecda036f251aee4947f47eea0fe9ed8cc931 (diff)
parent96fa2b508d2d3fe040cf4ef2fffb955f0a537ea1 (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts: drivers/net/pcmcia/fmvj18x_cs.c drivers/net/pcmcia/nmclan_cs.c drivers/net/pcmcia/xirc2ps_cs.c drivers/net/wireless/ray_cs.c
Diffstat (limited to 'arch/x86/include/asm/dma-mapping.h')
-rw-r--r--arch/x86/include/asm/dma-mapping.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h
index 6a25d5d42836..0f6c02f3b7d4 100644
--- a/arch/x86/include/asm/dma-mapping.h
+++ b/arch/x86/include/asm/dma-mapping.h
@@ -20,7 +20,8 @@
20# define ISA_DMA_BIT_MASK DMA_BIT_MASK(32) 20# define ISA_DMA_BIT_MASK DMA_BIT_MASK(32)
21#endif 21#endif
22 22
23extern dma_addr_t bad_dma_address; 23#define DMA_ERROR_CODE 0
24
24extern int iommu_merge; 25extern int iommu_merge;
25extern struct device x86_dma_fallback_dev; 26extern struct device x86_dma_fallback_dev;
26extern int panic_on_overflow; 27extern int panic_on_overflow;
@@ -48,7 +49,7 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
48 if (ops->mapping_error) 49 if (ops->mapping_error)
49 return ops->mapping_error(dev, dma_addr); 50 return ops->mapping_error(dev, dma_addr);
50 51
51 return (dma_addr == bad_dma_address); 52 return (dma_addr == DMA_ERROR_CODE);
52} 53}
53 54
54#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) 55#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)