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swiotlb: don't modify orig_addr in swiotlb_tbl_sync_single

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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 <[email protected]>
Acked-by: Jianxiong Gao <[email protected]>
Tested-by: Jianxiong Gao <[email protected]>
Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
This commit is contained in:
Christoph Hellwig authored and Konrad Rzeszutek Wilk committed 2021-02-22 14:40:29 -05:00
1 parent 26a7e09478
commit 16fc3cef33
1 file changed
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kernel/dma/swiotlb.c
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@@ -660,7 +660,6 @@ 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: