dmaengine: mmp_tdma: convert callback to helper function

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@intel.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c
index b3441f5..0e93384 100644 (file)
--- a/drivers/dma/mmp_tdma.c
+++ b/drivers/dma/mmp_tdma.c
@@ -349,9 +349,7 @@ static void dma_do_tasklet(unsigned long data)
 {
        struct mmp_tdma_chan *tdmac = (struct mmp_tdma_chan *)data;
 
-       if (tdmac->desc.callback)
-               tdmac->desc.callback(tdmac->desc.callback_param);
-
+       dmaengine_desc_get_callback_invoke(&tdmac->desc, NULL);
 }
 
 static void mmp_tdma_free_descriptor(struct mmp_tdma_chan *tdmac)