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| author |   Christoph Hellwig <hch@lst.de> | 2018-11-21 19:04:31 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-12-06 06:56:41 -0800 |
| commit | 52f0b3ee0b2caab04e7a1db1cb4009a277a802af (patch) | |
| tree | 0af52cfd338669d2964403d70e2872e7ee09ec45 /arch | |
| parent | parisc/sba_iommu: remove the mapping_error dma_map_ops method (diff) | |
| download | linux-dev-52f0b3ee0b2caab04e7a1db1cb4009a277a802af.tar.xz linux-dev-52f0b3ee0b2caab04e7a1db1cb4009a277a802af.zip | |
arm64: remove the dummy_dma_ops mapping_error method
Just return DMA_MAPPING_ERROR from __dummy_map_page and let the core
dma-mapping code handle the rest.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/mm/dma-mapping.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c index e2e7e5d0f94e..3c2c088a3562 100644 --- a/arch/arm64/mm/dma-mapping.c +++ b/arch/arm64/mm/dma-mapping.c @@ -119,7 +119,7 @@ static dma_addr_t __dummy_map_page(struct device *dev, struct page *page, enum dma_data_direction dir, unsigned long attrs) { - return 0; + return DMA_MAPPING_ERROR; } static void __dummy_unmap_page(struct device *dev, dma_addr_t dev_addr, @@ -154,11 +154,6 @@ static void __dummy_sync_sg(struct device *dev, { } -static int __dummy_mapping_error(struct device *hwdev, dma_addr_t dma_addr) -{ - return 1; -} - static int __dummy_dma_supported(struct device *hwdev, u64 mask) { return 0; @@ -176,7 +171,6 @@ const struct dma_map_ops dummy_dma_ops = { .sync_single_for_device = __dummy_sync_single, .sync_sg_for_cpu = __dummy_sync_sg, .sync_sg_for_device = __dummy_sync_sg, - .mapping_error = __dummy_mapping_error, .dma_supported = __dummy_dma_supported, }; EXPORT_SYMBOL(dummy_dma_ops); |