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Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx

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* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx:
  async_xor: dma_map destination DMA_BIDIRECTIONAL
  dmaengine: protect 'id' from concurrent registrations
  ioat: wait for self-test completion
This commit is contained in:
Linus Torvalds 2008-12-18 12:05:53 -08:00
commit 59da1f87b2
5 changed files with 41 additions and 9 deletions
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11
crypto/async_tx/async_xor.c
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@ -53,10 +53,17 @@ do_async_xor(struct dma_chan *chan, struct page *dest, struct page **src_list,
int xor_src_cnt;
dma_addr_t dma_dest;
dma_dest = dma_map_page(dma->dev, dest, offset, len, DMA_FROM_DEVICE);
for (i = 0; i < src_cnt; i++)
/* map the dest bidrectional in case it is re-used as a source */
dma_dest = dma_map_page(dma->dev, dest, offset, len, DMA_BIDIRECTIONAL);
for (i = 0; i < src_cnt; i++) {
/* only map the dest once */
if (unlikely(src_list[i] == dest)) {
dma_src[i] = dma_dest;
continue;
}
dma_src[i] = dma_map_page(dma->dev, src_list[i], offset,
len, DMA_TO_DEVICE);
}
while (src_cnt) {
async_flags = flags;