diff options
| author | Christoph Hellwig <hch@lst.de> | 2018-09-17 19:10:25 +0200 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2018-09-17 10:15:19 -0700 |
| commit | beec903f71214c0bfa555955dd548e87bfb2c623 (patch) | |
| tree | b9e0f69e62f6773bc7cbff557669e556a7202cdf | |
| parent | 77308e27a0592857438cfd501cce813c513043a2 (diff) | |
ia64: remove iommu_dma_supported
The generic dma_direct_supported helper already used by intel-iommu on
x86 does a better job than the ia64 reimplementation.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Tony Luck <tony.luck@intel.com>
| -rw-r--r-- | arch/ia64/kernel/pci-dma.c | 13 | ||||
| -rw-r--r-- | drivers/iommu/intel-iommu.c | 2 |
2 files changed, 0 insertions, 15 deletions
diff --git a/arch/ia64/kernel/pci-dma.c b/arch/ia64/kernel/pci-dma.c index 50b6ad282a90..3c2884bef3d4 100644 --- a/arch/ia64/kernel/pci-dma.c +++ b/arch/ia64/kernel/pci-dma.c @@ -51,18 +51,6 @@ iommu_dma_init(void) return; } -int iommu_dma_supported(struct device *dev, u64 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_BIT_MASK(24)) - return 0; - - return 1; -} -EXPORT_SYMBOL(iommu_dma_supported); - void __init pci_iommu_alloc(void) { dma_ops = &intel_dma_ops; @@ -71,7 +59,6 @@ void __init pci_iommu_alloc(void) intel_dma_ops.sync_sg_for_cpu = machvec_dma_sync_sg; intel_dma_ops.sync_single_for_device = machvec_dma_sync_single; intel_dma_ops.sync_sg_for_device = machvec_dma_sync_sg; - intel_dma_ops.dma_supported = iommu_dma_supported; /* * The order of these functions is important for diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 5f3f10cf9d9d..e72efef97924 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -3903,9 +3903,7 @@ const struct dma_map_ops intel_dma_ops = { .map_page = intel_map_page, .unmap_page = intel_unmap_page, .mapping_error = intel_mapping_error, -#ifdef CONFIG_X86 .dma_supported = dma_direct_supported, -#endif }; static inline int iommu_domain_cache_init(void) |