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dmengine: xilinx_dma: convert callback to helper function 

Move the xilinx driver to new dmaengine callback

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Vinod Koul 2016-08-04 18:06:13 +05:30
parent 9686218982
commit 369dbadac1
1 changed files with 4 additions and 6 deletions
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10
drivers/dma/xilinx/xilinx_dma.c
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@ -755,8 +755,7 @@ static void xilinx_dma_chan_desc_cleanup(struct xilinx_dma_chan *chan)
spin_lock_irqsave(&chan->lock, flags);
list_for_each_entry_safe(desc, next, &chan->done_list, node) {
dma_async_tx_callback callback;
void *callback_param;
struct dmaengine_desc_callback cb;
if (desc->cyclic) {
xilinx_dma_chan_handle_cyclic(chan, desc, &flags);
@ -767,11 +766,10 @@ static void xilinx_dma_chan_desc_cleanup(struct xilinx_dma_chan *chan)
list_del(&desc->node);
/* Run the link descriptor callback function */
callback = desc->async_tx.callback;
callback_param = desc->async_tx.callback_param;
if (callback) {
dmaengine_desc_get_callback(&desc->async_tx, &cb);
if (dmaengine_desc_callback_valid(&cb)) {
spin_unlock_irqrestore(&chan->lock, flags);
callback(callback_param);
dmaengine_desc_callback_invoke(&cb, NULL);
spin_lock_irqsave(&chan->lock, flags);
}