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authorDave Jiang <dave.jiang@intel.com>2016-07-20 13:12:35 -0700
committerVinod Koul <vinod.koul@intel.com>2016-08-08 08:11:40 +0530
commitf08462c650a7e2ec5b68adef94505e1c34fdb309 (patch)
tree29bef67557ea770bc34b2d72327cf69930e4bf32 /drivers
parent5c066f7d01917ed76f2b8d395d7da3070ff16455 (diff)
downloadlinux-f08462c650a7e2ec5b68adef94505e1c34fdb309.tar.bz2
dmaengine: pl330: 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/pl330.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index 4fc3ffbd5ca0..1ecd4674aa23 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -2039,14 +2039,12 @@ static void pl330_tasklet(unsigned long data)
}
while (!list_empty(&pch->completed_list)) {
- dma_async_tx_callback callback;
- void *callback_param;
+ struct dmaengine_desc_callback cb;
desc = list_first_entry(&pch->completed_list,
struct dma_pl330_desc, node);
- callback = desc->txd.callback;
- callback_param = desc->txd.callback_param;
+ dmaengine_desc_get_callback(&desc->txd, &cb);
if (pch->cyclic) {
desc->status = PREP;
@@ -2064,9 +2062,9 @@ static void pl330_tasklet(unsigned long data)
dma_descriptor_unmap(&desc->txd);
- if (callback) {
+ if (dmaengine_desc_callback_valid(&cb)) {
spin_unlock_irqrestore(&pch->lock, flags);
- callback(callback_param);
+ dmaengine_desc_callback_invoke(&cb, NULL);
spin_lock_irqsave(&pch->lock, flags);
}
}