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lib: remove the second argument of k[un]map_atomic()

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Signed-off-by: Cong Wang <amwang@redhat.com>
This commit is contained in:
Cong Wang 2011-11-25 23:14:39 +08:00 • committed by Cong Wang
parent 0de9a1e28a
commit c3eede8e0a
2 changed files with 4 additions and 5 deletions
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5
lib/swiotlb.c
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@ -349,13 +349,12 @@ void swiotlb_bounce(phys_addr_t phys, char *dma_addr, size_t size,
sz = min_t(size_t, PAGE_SIZE - offset, size);
local_irq_save(flags);
buffer = kmap_atomic(pfn_to_page(pfn),
KM_BOUNCE_READ);
buffer = kmap_atomic(pfn_to_page(pfn));
if (dir == DMA_TO_DEVICE)
memcpy(dma_addr, buffer + offset, sz);
else
memcpy(buffer + offset, dma_addr, sz);
kunmap_atomic(buffer, KM_BOUNCE_READ);
kunmap_atomic(buffer);
local_irq_restore(flags);
size -= sz;