[PATCH 11/40] dmaengine: imx-sdma: convert callback to helper function

[Dave Jiang <dave.jiang@xxxxxxxxx>]

Convert driver to use the new helper function for callback

Signed-off-by: Dave Jiang <dave.jiang@xxxxxxxxx>
---
 drivers/dma/imx-sdma.c |   12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index 0f6fd42..ccdf044 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -656,8 +656,10 @@ static void sdma_event_disable(struct sdma_channel *sdmac, unsigned int event)
 
 static void sdma_handle_channel_loop(struct sdma_channel *sdmac)
 {
-	if (sdmac->desc.callback)
-		sdmac->desc.callback(sdmac->desc.callback_param);
+	struct dma_desc_callback cb;
+
+	dmaengine_desc_get_callback(&sdmac->desc, &cb);
+	dmaengine_desc_callback_invoke(&cb, NULL);
 }
 
 static void sdma_update_channel_loop(struct sdma_channel *sdmac)
@@ -687,6 +689,7 @@ static void mxc_sdma_handle_channel_normal(struct sdma_channel *sdmac)
 {
 	struct sdma_buffer_descriptor *bd;
 	int i, error = 0;
+	struct dma_desc_callback cb;
 
 	sdmac->chn_real_count = 0;
 	/*
@@ -707,8 +710,9 @@ static void mxc_sdma_handle_channel_normal(struct sdma_channel *sdmac)
 		sdmac->status = DMA_COMPLETE;
 
 	dma_cookie_complete(&sdmac->desc);
-	if (sdmac->desc.callback)
-		sdmac->desc.callback(sdmac->desc.callback_param);
+
+	dmaengine_desc_get_callback(&sdmac->desc, &cb);
+	dmaengine_desc_callback_invoke(&cb, NULL);
 }
 
 static void sdma_tasklet(unsigned long data)

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