diff options
Diffstat (limited to 'arch/ia64/kernel/pci-dma.c')
| -rw-r--r-- | arch/ia64/kernel/pci-dma.c | 23 |
1 files changed, 5 insertions, 18 deletions
diff --git a/arch/ia64/kernel/pci-dma.c b/arch/ia64/kernel/pci-dma.c index e4cb443bb98..992c1098c52 100644 --- a/arch/ia64/kernel/pci-dma.c +++ b/arch/ia64/kernel/pci-dma.c @@ -12,9 +12,8 @@ #include <asm/machvec.h> #include <linux/dma-mapping.h> -#include <asm/system.h> -#ifdef CONFIG_DMAR +#ifdef CONFIG_INTEL_IOMMU #include <linux/kernel.h> @@ -32,14 +31,7 @@ int force_iommu __read_mostly = 1; int force_iommu __read_mostly; #endif -/* Dummy device used for NULL arguments (normally ISA). Better would - be probably a smaller DMA mask, but this is bug-to-bug compatible - to i386. */ -struct device fallback_dev = { - .init_name = "fallback device", - .coherent_dma_mask = DMA_32BIT_MASK, - .dma_mask = &fallback_dev.coherent_dma_mask, -}; +int iommu_pass_through; extern struct dma_map_ops intel_dma_ops; @@ -67,15 +59,10 @@ iommu_dma_init(void) int iommu_dma_supported(struct device *dev, u64 mask) { - struct dma_map_ops *ops = platform_dma_get_ops(dev); - - if (ops->dma_supported) - return ops->dma_supported(dev, mask); - /* Copied from i386. Doesn't make much sense, because it will only work for pci_alloc_coherent. The caller just has to use GFP_DMA in this case. */ - if (mask < DMA_24BIT_MASK) + if (mask < DMA_BIT_MASK(24)) return 0; /* Tell the device to use SAC when IOMMU force is on. This @@ -90,8 +77,8 @@ int iommu_dma_supported(struct device *dev, u64 mask) SAC for these. Assume all masks <= 40 bits are of this type. Normally this doesn't make any difference, but gives more gentle handling of IOMMU overflow. */ - if (iommu_sac_force && (mask >= DMA_40BIT_MASK)) { - dev_info(dev, "Force SAC with mask %lx\n", mask); + if (iommu_sac_force && (mask >= DMA_BIT_MASK(40))) { + dev_info(dev, "Force SAC with mask %llx\n", mask); return 0; } |