diff options
author | Christoph Hellwig <hch@lst.de> | 2017-05-22 11:20:18 +0200 |
---|---|---|
committer | Christoph Hellwig <hch@lst.de> | 2017-06-28 06:54:45 -0700 |
commit | 418a7a7e4f05f36d6e4ab5b8548ea71f0b602140 (patch) | |
tree | 5f09b1c6475386d085bd210f11440aab57d8b70e /arch/arm/mm | |
parent | 19ad53e498745416a77c0377cbb4ee771eedd35b (diff) | |
download | op-kernel-dev-418a7a7e4f05f36d6e4ab5b8548ea71f0b602140.zip op-kernel-dev-418a7a7e4f05f36d6e4ab5b8548ea71f0b602140.tar.gz |
arm: remove arch specific dma_supported implementation
And instead wire it up as method for all the dma_map_ops instances.
Note that the code seems a little fishy for dmabounce and iommu, but
for now I'd like to preserve the existing behavior 1:1.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'arch/arm/mm')
-rw-r--r-- | arch/arm/mm/dma-mapping.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 8f2c5a8..b9677ad 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -199,6 +199,7 @@ const struct dma_map_ops arm_dma_ops = { .sync_sg_for_cpu = arm_dma_sync_sg_for_cpu, .sync_sg_for_device = arm_dma_sync_sg_for_device, .mapping_error = arm_dma_mapping_error, + .dma_supported = arm_dma_supported, }; EXPORT_SYMBOL(arm_dma_ops); @@ -218,6 +219,7 @@ const struct dma_map_ops arm_coherent_dma_ops = { .map_page = arm_coherent_dma_map_page, .map_sg = arm_dma_map_sg, .mapping_error = arm_dma_mapping_error, + .dma_supported = arm_dma_supported, }; EXPORT_SYMBOL(arm_coherent_dma_ops); @@ -1184,11 +1186,10 @@ void arm_dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, * during bus mastering, then you would pass 0x00ffffff as the mask * to this function. */ -int dma_supported(struct device *dev, u64 mask) +int arm_dma_supported(struct device *dev, u64 mask) { return __dma_supported(dev, mask, false); } -EXPORT_SYMBOL(dma_supported); #define PREALLOC_DMA_DEBUG_ENTRIES 4096 @@ -2149,6 +2150,7 @@ const struct dma_map_ops iommu_ops = { .unmap_resource = arm_iommu_unmap_resource, .mapping_error = arm_dma_mapping_error, + .dma_supported = arm_dma_supported, }; const struct dma_map_ops iommu_coherent_ops = { @@ -2167,6 +2169,7 @@ const struct dma_map_ops iommu_coherent_ops = { .unmap_resource = arm_iommu_unmap_resource, .mapping_error = arm_dma_mapping_error, + .dma_supported = arm_dma_supported, }; /** |