diff options
Diffstat (limited to 'arch/x86/kernel/pci-dma_32.c')
| -rw-r--r-- | arch/x86/kernel/pci-dma_32.c | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/arch/x86/kernel/pci-dma_32.c b/arch/x86/kernel/pci-dma_32.c index 6543bb30b65..1d4091af441 100644 --- a/arch/x86/kernel/pci-dma_32.c +++ b/arch/x86/kernel/pci-dma_32.c @@ -155,30 +155,6 @@ void *dma_mark_declared_memory_occupied(struct device *dev, EXPORT_SYMBOL(dma_mark_declared_memory_occupied); #ifdef CONFIG_PCI -/* Many VIA bridges seem to corrupt data for DAC. Disable it here */ - -int -dma_supported(struct device *dev, u64 mask) -{ - /* - * we fall back to GFP_DMA when the mask isn't all 1s, - * so we can't guarantee allocations that must be - * within a tighter range than GFP_DMA.. - */ - if (mask < 0x00ffffff) - return 0; - - /* Work around chipset bugs */ - if (forbid_dac > 0 && mask > 0xffffffffULL) - return 0; - - if (dma_ops->dma_supported) - return dma_ops->dma_supported(dev, mask); - - return 1; -} -EXPORT_SYMBOL(dma_supported); - static int check_iommu(char *s) { if (!strcmp(s, "usedac")) { |