Commit 05054b34 authored by Xuelin Shi's avatar Xuelin Shi Committed by Greg Kroah-Hartman

dmaengine: fix xor sources continuation

commit 87cea763 upstream.

the partial xor result must be kept until the next
tx is generated.
Signed-off-by: default avatarXuelin Shi <xuelin.shi@freescale.com>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 30d26f5c
...@@ -78,8 +78,6 @@ do_async_xor(struct dma_chan *chan, struct dmaengine_unmap_data *unmap, ...@@ -78,8 +78,6 @@ do_async_xor(struct dma_chan *chan, struct dmaengine_unmap_data *unmap,
tx = dma->device_prep_dma_xor(chan, dma_dest, src_list, tx = dma->device_prep_dma_xor(chan, dma_dest, src_list,
xor_src_cnt, unmap->len, xor_src_cnt, unmap->len,
dma_flags); dma_flags);
src_list[0] = tmp;
if (unlikely(!tx)) if (unlikely(!tx))
async_tx_quiesce(&submit->depend_tx); async_tx_quiesce(&submit->depend_tx);
...@@ -92,6 +90,7 @@ do_async_xor(struct dma_chan *chan, struct dmaengine_unmap_data *unmap, ...@@ -92,6 +90,7 @@ do_async_xor(struct dma_chan *chan, struct dmaengine_unmap_data *unmap,
xor_src_cnt, unmap->len, xor_src_cnt, unmap->len,
dma_flags); dma_flags);
} }
src_list[0] = tmp;
dma_set_unmap(tx, unmap); dma_set_unmap(tx, unmap);
async_tx_submit(chan, tx, submit); async_tx_submit(chan, tx, submit);
......
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