[PATCH 25/40] dmaengine: qcom_hidma: 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/qcom/hidma.c |   15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/dma/qcom/hidma.c b/drivers/dma/qcom/hidma.c
index 41b5c6d..e1ea8fe 100644
--- a/drivers/dma/qcom/hidma.c
+++ b/drivers/dma/qcom/hidma.c
@@ -132,8 +132,12 @@ static void hidma_process_completed(struct hidma_chan *mchan)
 		spin_unlock_irqrestore(&mchan->lock, irqflags);
 
 		llstat = hidma_ll_status(mdma->lldev, mdesc->tre_ch);
-		if (desc->callback && (llstat == DMA_COMPLETE))
-			desc->callback(desc->callback_param);
+		if (llstat == DMA_COMPLETE) {
+			struct dma_desc_callback cb;
+
+			dmaengine_desc_get_callback(desc, &cb);
+			dmaengine_desc_callback_invoke(&cb, NULL);
+		}
 
 		last_cookie = desc->cookie;
 		dma_run_dependencies(desc);
@@ -413,13 +417,12 @@ static int hidma_terminate_channel(struct dma_chan *chan)
 	/* return all user requests */
 	list_for_each_entry_safe(mdesc, tmp, &list, node) {
 		struct dma_async_tx_descriptor *txd = &mdesc->desc;
-		dma_async_tx_callback callback = mdesc->desc.callback;
-		void *param = mdesc->desc.callback_param;
+		struct dma_desc_callback cb;
 
+		dmaengine_desc_get_callback(&mdesc->desc, &cb);
 		dma_descriptor_unmap(txd);
 
-		if (callback)
-			callback(param);
+		dmaengine_desc_callback_invoke(&cb, NULL);
 
 		dma_run_dependencies(txd);
 

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