diff options
Diffstat (limited to 'arch/x86/kernel/pci-dma.c')
-rw-r--r-- | arch/x86/kernel/pci-dma.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index 192624820217..1972266e8ba5 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c | |||
@@ -9,8 +9,6 @@ | |||
9 | #include <asm/calgary.h> | 9 | #include <asm/calgary.h> |
10 | #include <asm/amd_iommu.h> | 10 | #include <asm/amd_iommu.h> |
11 | 11 | ||
12 | static int forbid_dac __read_mostly; | ||
13 | |||
14 | struct dma_mapping_ops *dma_ops; | 12 | struct dma_mapping_ops *dma_ops; |
15 | EXPORT_SYMBOL(dma_ops); | 13 | EXPORT_SYMBOL(dma_ops); |
16 | 14 | ||
@@ -293,17 +291,3 @@ void pci_iommu_shutdown(void) | |||
293 | } | 291 | } |
294 | /* Must execute after PCI subsystem */ | 292 | /* Must execute after PCI subsystem */ |
295 | fs_initcall(pci_iommu_init); | 293 | fs_initcall(pci_iommu_init); |
296 | |||
297 | #ifdef CONFIG_PCI | ||
298 | /* Many VIA bridges seem to corrupt data for DAC. Disable it here */ | ||
299 | |||
300 | static __devinit void via_no_dac(struct pci_dev *dev) | ||
301 | { | ||
302 | if ((dev->class >> 8) == PCI_CLASS_BRIDGE_PCI && forbid_dac == 0) { | ||
303 | printk(KERN_INFO "PCI: VIA PCI bridge detected." | ||
304 | "Disabling DAC.\n"); | ||
305 | forbid_dac = 1; | ||
306 | } | ||
307 | } | ||
308 | DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_ANY_ID, via_no_dac); | ||
309 | #endif | ||