dmaengine: iop-adma: convert callback to helper function

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@intel.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/iop-adma.c b/drivers/dma/iop-adma.c
index f039cfa..a410657 100644 (file)
--- a/drivers/dma/iop-adma.c
+++ b/drivers/dma/iop-adma.c
@@ -71,8 +71,7 @@ iop_adma_run_tx_complete_actions(struct iop_adma_desc_slot *desc,
                /* call the callback (must not sleep or submit new
                 * operations to this channel)
                 */
-               if (tx->callback)
-                       tx->callback(tx->callback_param);
+               dmaengine_desc_get_callback_invoke(tx, NULL);
 
                dma_descriptor_unmap(tx);
                if (desc->group_head)