[PATCH 34/40] dmaengine: xgene-dma: convert callback to helper function

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Convert driver to use the new helper function for callback

Signed-off-by: Dave Jiang <dave.jiang@xxxxxxxxx>
---
 drivers/dma/xgene-dma.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/dma/xgene-dma.c b/drivers/dma/xgene-dma.c
index 9cb93c5..7def792 100644
--- a/drivers/dma/xgene-dma.c
+++ b/drivers/dma/xgene-dma.c
@@ -594,6 +594,7 @@ static void xgene_dma_run_tx_complete_actions(struct xgene_dma_chan *chan,
 					      struct xgene_dma_desc_sw *desc)
 {
 	struct dma_async_tx_descriptor *tx = &desc->tx;
+	struct dma_desc_callback cb;
 
 	/*
 	 * If this is not the last transaction in the group,
@@ -608,8 +609,8 @@ static void xgene_dma_run_tx_complete_actions(struct xgene_dma_chan *chan,
 	dma_cookie_complete(tx);
 
 	/* Run the link descriptor callback function */
-	if (tx->callback)
-		tx->callback(tx->callback_param);
+	dmaengine_desc_get_callback(tx, &cb);
+	dmaengine_desc_callback_invoke(&cb, NULL);
 
 	dma_descriptor_unmap(tx);
 

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