async_tx: allow architecture specific async_tx_find_channel implementations

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>

1 files changed, 6 insertions, 2 deletions

diff --git a/crypto/async_tx/async_xor.c b/crypto/async_tx/async_xor.c
index 68d2fe4465d8..2259a4ff15cb 100644
--- a/crypto/async_tx/async_xor.c
+++ b/crypto/async_tx/async_xor.c
@@ -129,7 +129,9 @@ async_xor(struct page *dest, struct page **src_list, unsigned int 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_XOR);
+        struct dma_chan *chan = async_tx_find_channel(depend_tx, DMA_XOR,
+                                                      &dest, 1, src_list,
+                                                      src_cnt, len);
         struct dma_device *device = chan ? chan->device : NULL;
         struct dma_async_tx_descriptor *tx = NULL;
         dma_async_tx_callback _cb_fn;
@@ -261,7 +263,9 @@ async_xor_zero_sum(struct page *dest, struct page **src_list,
         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_ZERO_SUM);
+        struct dma_chan *chan = async_tx_find_channel(depend_tx, DMA_ZERO_SUM,
+                                                      &dest, 1, src_list,
+                                                      src_cnt, len);
         struct dma_device *device = chan ? chan->device : NULL;
         struct dma_async_tx_descriptor *tx = NULL;