diff options
| author | Dave Jiang <dave.jiang@intel.com> | 2016-07-20 23:12:29 +0300 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2016-08-08 05:41:40 +0300 |
| commit | 5c066f7d01917ed76f2b8d395d7da3070ff16455 (patch) | |
| tree | 7eb4331a5d2c4a875eb52215e01bf50b9761b8c8 /drivers | |
| parent | 0024b2ac374490de46bfd35c43002c7800ad14ed (diff) | |
| download | linux-5c066f7d01917ed76f2b8d395d7da3070ff16455.tar.xz | |
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')
| -rw-r--r-- | drivers/dma/pch_dma.c | 7 |
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) |