Commit 52f0b3ee authored by Christoph Hellwig's avatar Christoph Hellwig

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: default avatarChristoph Hellwig <hch@lst.de>
Acked-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent fb1b53f1
......@@ -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);
......
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