diff options
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/pci-dma.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/pci-dma_32.c | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/pci-dma_64.c | 2 |
3 files changed, 2 insertions, 6 deletions
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index 967dfcfa2ad..00527e74e49 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -35,6 +35,8 @@ int iommu_detected __read_mostly = 0; int iommu_bio_merge __read_mostly = 0; EXPORT_SYMBOL(iommu_bio_merge); +dma_addr_t bad_dma_address __read_mostly = 0; +EXPORT_SYMBOL(bad_dma_address); int dma_set_mask(struct device *dev, u64 mask) { diff --git a/arch/x86/kernel/pci-dma_32.c b/arch/x86/kernel/pci-dma_32.c index 78c7640252a..9199bccb921 100644 --- a/arch/x86/kernel/pci-dma_32.c +++ b/arch/x86/kernel/pci-dma_32.c @@ -14,10 +14,6 @@ #include <linux/module.h> #include <asm/io.h> -/* For i386, we make it point to the NULL address */ -dma_addr_t bad_dma_address __read_mostly = 0x0; -EXPORT_SYMBOL(bad_dma_address); - static int dma_alloc_from_coherent_mem(struct device *dev, ssize_t size, dma_addr_t *dma_handle, void **ret) { diff --git a/arch/x86/kernel/pci-dma_64.c b/arch/x86/kernel/pci-dma_64.c index 6eacd58e451..5f03e417421 100644 --- a/arch/x86/kernel/pci-dma_64.c +++ b/arch/x86/kernel/pci-dma_64.c @@ -14,8 +14,6 @@ #include <asm/gart.h> #include <asm/calgary.h> -dma_addr_t bad_dma_address __read_mostly; -EXPORT_SYMBOL(bad_dma_address); /* Dummy device used for NULL arguments (normally ISA). Better would be probably a smaller DMA mask, but this is bug-to-bug compatible |