[PATCH v4 19/41] dmaengine: mv_xor: convert callback to helper function

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This is in preperation of moving to a callback that provides results to the
callback for the transaction. The conversion will maintain current behavior
and the driver must convert to new callback mechanism at a later time in
order to receive results.

Signed-off-by: Dave Jiang <dave.jiang@xxxxxxxxx>
---
 drivers/dma/mv_xor.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index d0446a7..68a7aab 100644
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -209,10 +209,7 @@ mv_desc_run_tx_complete_actions(struct mv_xor_desc_slot *desc,
 		/* call the callback (must not sleep or submit new
 		 * operations to this channel)
 		 */
-		if (desc->async_tx.callback)
-			desc->async_tx.callback(
-				desc->async_tx.callback_param);
-
+		dmaengine_desc_get_callback_invoke(&desc->async_tx, NULL);
 		dma_descriptor_unmap(&desc->async_tx);
 	}
 

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