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authorDave Jiang <dave.jiang@intel.com>2016-07-20 23:10:42 +0300
committerVinod Koul <vinod.koul@intel.com>2016-08-08 05:41:38 +0300
commita1d4eaaf4021a3a0c1299f254faf7b50ca9ddbfa (patch)
tree0f45aa24f582be2cbc53fa26b3ac64291c4611a7 /drivers/dma/at_xdmac.c
parentdff232dab98154903970c1e6b36f47c9defbd0a2 (diff)
downloadlinux-a1d4eaaf4021a3a0c1299f254faf7b50ca9ddbfa.tar.xz
dmaengine: at_xdmac: 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> Cc: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/at_xdmac.c')
-rw-r--r--drivers/dma/at_xdmac.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index e434ffe7bc5c..2badc57a7f31 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -1572,8 +1572,8 @@ static void at_xdmac_handle_cyclic(struct at_xdmac_chan *atchan)
desc = list_first_entry(&atchan->xfers_list, struct at_xdmac_desc, xfer_node);
txd = &desc->tx_dma_desc;
- if (txd->callback && (txd->flags & DMA_PREP_INTERRUPT))
- txd->callback(txd->callback_param);
+ if (txd->flags & DMA_PREP_INTERRUPT)
+ dmaengine_desc_get_callback_invoke(txd, NULL);
}
static void at_xdmac_tasklet(unsigned long data)
@@ -1616,8 +1616,8 @@ static void at_xdmac_tasklet(unsigned long data)
if (!at_xdmac_chan_is_cyclic(atchan)) {
dma_cookie_complete(txd);
- if (txd->callback && (txd->flags & DMA_PREP_INTERRUPT))
- txd->callback(txd->callback_param);
+ if (txd->flags & DMA_PREP_INTERRUPT)
+ dmaengine_desc_get_callback_invoke(txd, NULL);
}
dma_run_dependencies(txd);