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async_tx: allow architecture specific async_tx_find_channel implementations

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The source and destination addresses are included to allow channel
selection based on address alignment.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
This commit is contained in:
Dan Williams
2008-02-02 19:49:59 -07:00
parent d4c56f97ff
commit 47437b2c9a
5 changed files with 22 additions and 9 deletions
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3
crypto/async_tx/async_memcpy.c
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@ -46,7 +46,8 @@ async_memcpy(struct page *dest, struct page *src, unsigned int dest_offset,
struct dma_async_tx_descriptor *depend_tx,
dma_async_tx_callback cb_fn, void *cb_param)
{
struct dma_chan *chan = async_tx_find_channel(depend_tx, DMA_MEMCPY);
struct dma_chan *chan = async_tx_find_channel(depend_tx, DMA_MEMCPY,
&dest, 1, &src, 1, len);
struct dma_device *device = chan ? chan->device : NULL;
struct dma_async_tx_descriptor *tx = NULL;