From: Dave Jiang Date: Wed, 20 Jul 2016 20:12:29 +0000 (-0700) Subject: dmaengine: pch_dma: convert callback to helper function X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=5c066f7d01917ed76f2b8d395d7da3070ff16455;p=deliverable%2Flinux.git dmaengine: pch_dma: 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 Reviewed-by: Lars-Peter Clausen Signed-off-by: Vinod Koul --- diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c index 113605f6fe20..df95727dc2fb 100644 --- a/drivers/dma/pch_dma.c +++ b/drivers/dma/pch_dma.c @@ -357,14 +357,13 @@ static void pdc_chain_complete(struct pch_dma_chan *pd_chan, struct pch_dma_desc *desc) { struct dma_async_tx_descriptor *txd = &desc->txd; - dma_async_tx_callback callback = txd->callback; - void *param = txd->callback_param; + struct dmaengine_desc_callback cb; + dmaengine_desc_get_callback(txd, &cb); list_splice_init(&desc->tx_list, &pd_chan->free_list); list_move(&desc->desc_node, &pd_chan->free_list); - if (callback) - callback(param); + dmaengine_desc_callback_invoke(&cb, NULL); } static void pdc_complete_all(struct pch_dma_chan *pd_chan)