swiotlb_tbl_map_single currently nevers sets a tlb_addr that is not
aligned to the tlb bucket size. But we're going to add such a case
soon, for which this adjustment would be bogus.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Acked-by: Jianxiong Gao <jxgao@xxxxxxxxxx>
Tested-by: Jianxiong Gao <jxgao@xxxxxxxxxx>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Upstream: 16fc3cef33a04632ab6b31758abdd77563a20759
Signed-off-by: Jianxiong Gao <jxgao@xxxxxxxxxx>
---
kernel/dma/swiotlb.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index d71f05a33aa4..f4e18ae33507 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -647,7 +647,6 @@ void swiotlb_tbl_sync_single(struct device *hwdev, phys_addr_t tlb_addr,
if (orig_addr == INVALID_PHYS_ADDR)
return;
- orig_addr += (unsigned long)tlb_addr & (IO_TLB_SIZE - 1);
switch (target) {
case SYNC_FOR_CPU:
--
2.31.1.751.gd2f1c929bd-goog
