[PATCH v3 03/41] dmaengine: at_xdmac: 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>
Cc: Ludovic Desroches <ludovic.desroches@xxxxxxxxx>
---
 drivers/dma/at_xdmac.c |   13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index 75bd662..1f0a656 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -1568,12 +1568,13 @@ static void at_xdmac_handle_cyclic(struct at_xdmac_chan *atchan)
 {
 	struct at_xdmac_desc		*desc;
 	struct dma_async_tx_descriptor	*txd;
+	struct dmaengine_desc_callback	cb;
 
 	desc = list_first_entry(&atchan->xfers_list, struct at_xdmac_desc, xfer_node);
 	txd = &desc->tx_dma_desc;
 
-	if (txd->callback && (txd->flags & DMA_PREP_INTERRUPT))
-		txd->callback(txd->callback_param);
+	if (txd->flags & DMA_PREP_INTERRUPT)
+		dmaengine_desc_get_callback_invoke(txd, &cb, NULL);
 }
 
 static void at_xdmac_tasklet(unsigned long data)
@@ -1615,9 +1616,13 @@ static void at_xdmac_tasklet(unsigned long data)
 		spin_unlock_bh(&atchan->lock);
 
 		if (!at_xdmac_chan_is_cyclic(atchan)) {
+			struct dmaengine_desc_callback	cb;
+
 			dma_cookie_complete(txd);
-			if (txd->callback && (txd->flags & DMA_PREP_INTERRUPT))
-				txd->callback(txd->callback_param);
+			if (txd->flags & DMA_PREP_INTERRUPT) {
+				dmaengine_desc_get_callback_invoke(txd, &cb,
+								   NULL);
+			}
 		}
 
 		dma_run_dependencies(txd);

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