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authorChristoph Hellwig <hch@lst.de>2020-08-17 17:34:03 +0200
committerChristoph Hellwig <hch@lst.de>2020-09-11 09:14:43 +0200
commit5ceda74093a5c1c3f42a02b894df031f3bbc9af1 (patch)
treed16c05bab2364724baff7d1e28a71e535628250a /kernel/dma/swiotlb.c
parent7bc5c428a660d4d1bc95ba54bf4cb6bccf8c3029 (diff)
dma-direct: rename and cleanup __phys_to_dma
The __phys_to_dma vs phys_to_dma distinction isn't exactly obvious. Try to improve the situation by renaming __phys_to_dma to phys_to_dma_unencryped, and not forcing architectures that want to override phys_to_dma to actually provide __phys_to_dma. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Diffstat (limited to 'kernel/dma/swiotlb.c')
-rw-r--r--kernel/dma/swiotlb.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index c19379fabd20..4ea72d145cd2 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -670,13 +670,13 @@ dma_addr_t swiotlb_map(struct device *dev, phys_addr_t paddr, size_t size,
swiotlb_force);
swiotlb_addr = swiotlb_tbl_map_single(dev,
- __phys_to_dma(dev, io_tlb_start),
+ phys_to_dma_unencrypted(dev, io_tlb_start),
paddr, size, size, dir, attrs);
if (swiotlb_addr == (phys_addr_t)DMA_MAPPING_ERROR)
return DMA_MAPPING_ERROR;
/* Ensure that the address returned is DMA'ble */
- dma_addr = __phys_to_dma(dev, swiotlb_addr);
+ dma_addr = phys_to_dma_unencrypted(dev, swiotlb_addr);
if (unlikely(!dma_capable(dev, dma_addr, size, true))) {
swiotlb_tbl_unmap_single(dev, swiotlb_addr, size, size, dir,
attrs | DMA_ATTR_SKIP_CPU_SYNC);