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authorDave Jiang <dave.jiang@intel.com>2016-07-20 22:12:29 +0200
committerVinod Koul <vinod.koul@intel.com>2016-08-08 04:41:40 +0200
commit5c066f7d01917ed76f2b8d395d7da3070ff16455 (patch)
tree7eb4331a5d2c4a875eb52215e01bf50b9761b8c8 /drivers/dma/pch_dma.c
parentdmaengine: nbpfaxi: convert callback to helper function (diff)
downloadlinux-5c066f7d01917ed76f2b8d395d7da3070ff16455.tar.xz
linux-5c066f7d01917ed76f2b8d395d7da3070ff16455.zip
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 <dave.jiang@intel.com> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/pch_dma.c')
-rw-r--r--drivers/dma/pch_dma.c7
1 files changed, 3 insertions, 4 deletions
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)