diff options
| author | Christoph Hellwig <hch@lst.de> | 2017-05-22 11:38:27 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2017-06-28 06:54:46 -0700 |
| commit | 5860acc1a905b05c14e9ed9e22c20aad1a72554a (patch) | |
| tree | c7de41ef603b7f179b06241ca055966e65dcc995 /arch/x86/kernel/pci-dma.c | |
| parent | 418a7a7e4f05f36d6e4ab5b8548ea71f0b602140 (diff) | |
x86: remove arch specific dma_supported implementation
And instead wire it up as method for all the dma_map_ops instances.
Note that this also means the arch specific check will be fully instead
of partially applied in the AMD iommu driver.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'arch/x86/kernel/pci-dma.c')
| -rw-r--r-- | arch/x86/kernel/pci-dma.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index 3a216ec869cd..5e16d3f29594 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -213,10 +213,8 @@ static __init int iommu_setup(char *p) } early_param("iommu", iommu_setup); -int dma_supported(struct device *dev, u64 mask) +int x86_dma_supported(struct device *dev, u64 mask) { - const struct dma_map_ops *ops = get_dma_ops(dev); - #ifdef CONFIG_PCI if (mask > 0xffffffff && forbid_dac > 0) { dev_info(dev, "PCI: Disallowing DAC for device\n"); @@ -224,9 +222,6 @@ int dma_supported(struct device *dev, u64 mask) } #endif - 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. */ @@ -252,7 +247,6 @@ int dma_supported(struct device *dev, u64 mask) return 1; } -EXPORT_SYMBOL(dma_supported); static int __init pci_iommu_init(void) { |