[PATCH v4 15/41] dmaengine: mic_x100_dma: 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>
Cc: Sudeep Dutt <sudeep.dutt@xxxxxxxxx>
---
 drivers/dma/mic_x100_dma.c |    6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/dma/mic_x100_dma.c b/drivers/dma/mic_x100_dma.c
index 1502b24..8182558 100644
--- a/drivers/dma/mic_x100_dma.c
+++ b/drivers/dma/mic_x100_dma.c
@@ -104,10 +104,8 @@ static void mic_dma_cleanup(struct mic_dma_chan *ch)
 		tx = &ch->tx_array[last_tail];
 		if (tx->cookie) {
 			dma_cookie_complete(tx);
-			if (tx->callback) {
-				tx->callback(tx->callback_param);
-				tx->callback = NULL;
-			}
+			dmaengine_desc_get_callback_invoke(tx, NULL);
+			tx->callback = NULL;
 		}
 		last_tail = mic_dma_hw_ring_inc(last_tail);
 	}

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