diff mbox

[v2,32/41] dmaengine: txx9dmac: convert callback to helper function

Message ID 146861404797.154751.3822706420216091641.stgit@djiang5-desk3.ch.intel.com (mailing list archive)
State Changes Requested
Headers show

Commit Message

Dave Jiang July 15, 2016, 8:20 p.m. UTC 
Convert driver to use the new helper function for callback

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
---
 drivers/dma/txx9dmac.c |    9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)


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diff mbox

Patch

diff --git a/drivers/dma/txx9dmac.c b/drivers/dma/txx9dmac.c
index 8849318..6856d20 100644
--- a/drivers/dma/txx9dmac.c
+++ b/drivers/dma/txx9dmac.c
@@ -403,16 +403,14 @@  static void
 txx9dmac_descriptor_complete(struct txx9dmac_chan *dc,
 			     struct txx9dmac_desc *desc)
 {
-	dma_async_tx_callback callback;
-	void *param;
+	struct dmaengine_desc_callback cb;
 	struct dma_async_tx_descriptor *txd = &desc->txd;
 
 	dev_vdbg(chan2dev(&dc->chan), "descriptor %u %p complete\n",
 		 txd->cookie, desc);
 
 	dma_cookie_complete(txd);
-	callback = txd->callback;
-	param = txd->callback_param;
+	dmaengine_desc_get_callback(txd, &cb);
 
 	txx9dmac_sync_desc_for_cpu(dc, desc);
 	list_splice_init(&desc->tx_list, &dc->free_list);
@@ -423,8 +421,7 @@  txx9dmac_descriptor_complete(struct txx9dmac_chan *dc,
 	 * The API requires that no submissions are done from a
 	 * callback, so we don't need to drop the lock here
 	 */
-	if (callback)
-		callback(param);
+	dmaengine_desc_callback_invoke(&cb, NULL);
 	dma_run_dependencies(txd);
 }