aboutsummaryrefslogtreecommitdiff
path: root/arch/x86/include
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2009-11-11 11:34:14 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-11-11 11:34:14 -0800
commit55871bdd03bf577c5c8fc65498ae24b7c148e1eb (patch)
tree4e5e0a751e3229835200b4be69f6c71f94c31ece /arch/x86/include
parente5d45abe1487aa856e48d6d9b857bd200b63b896 (diff)
parenteb647138acefc897c0eb6eddd5d3650966dfe627 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: x86/PCI: Adjust GFP mask handling for coherent allocations PCI ASPM: fix oops on root port removal
Diffstat (limited to 'arch/x86/include')
-rw-r--r--arch/x86/include/asm/dma-mapping.h10
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h
index 0ee770d23d0..6a25d5d4283 100644
--- a/arch/x86/include/asm/dma-mapping.h
+++ b/arch/x86/include/asm/dma-mapping.h
@@ -14,6 +14,12 @@
#include <asm/swiotlb.h>
#include <asm-generic/dma-coherent.h>
+#ifdef CONFIG_ISA
+# define ISA_DMA_BIT_MASK DMA_BIT_MASK(24)
+#else
+# define ISA_DMA_BIT_MASK DMA_BIT_MASK(32)
+#endif
+
extern dma_addr_t bad_dma_address;
extern int iommu_merge;
extern struct device x86_dma_fallback_dev;
@@ -124,10 +130,8 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
if (dma_alloc_from_coherent(dev, size, dma_handle, &memory))
return memory;
- if (!dev) {
+ if (!dev)
dev = &x86_dma_fallback_dev;
- gfp |= GFP_DMA;
- }
if (!is_device_dma_capable(dev))
return NULL;