[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 12/24] 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@xxxxxx> --- arch/arm64/mm/dma-mapping.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c index a3ac26284845..fdc26ea5036c 100644 --- a/arch/arm64/mm/dma-mapping.c +++ b/arch/arm64/mm/dma-mapping.c @@ -282,7 +282,7 @@ 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, @@ -317,11 +317,6 @@ 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; @@ -339,7 +334,6 @@ 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); -- 2.19.1 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
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