dmaengine: qcom_hidma: 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>
Acked-by: Sinan Kaya <okaya@codeaurora.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

1 files changed, 3 insertions, 8 deletions

diff --git a/drivers/dma/qcom/hidma.c b/drivers/dma/qcom/hidma.c
index b2374cd91e45..1197fbf8f30e 100644
--- a/drivers/dma/qcom/hidma.c
+++ b/drivers/dma/qcom/hidma.c
@@ -132,8 +132,8 @@ 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)
+                        dmaengine_desc_get_callback_invoke(desc, NULL);
 
                 last_cookie = desc->cookie;
                 dma_run_dependencies(desc);
@@ -413,14 +413,9 @@ 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;
 
                 dma_descriptor_unmap(txd);
-
-                if (callback)
-                        callback(param);
-
+                dmaengine_desc_get_callback_invoke(txd, NULL);
                 dma_run_dependencies(txd);
 
                 /* move myself to free_list */