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dmaengine: qcom_hidma: convert callback to helper function

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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>
Acked-by: Sinan Kaya <okaya@codeaurora.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Dave Jiang 2016-07-20 13:12:47 -07:00 committed by Vinod Koul
parent 44967bf733
commit 5ade6683e9
1 changed files with 3 additions and 8 deletions
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11
drivers/dma/qcom/hidma.c
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@ -132,8 +132,8 @@ static void hidma_process_completed(struct hidma_chan *mchan)
spin_unlock_irqrestore(&mchan->lock, irqflags);
llstat = hidma_ll_status(mdma->lldev, mdesc->tre_ch);
if (desc->callback && (llstat == DMA_COMPLETE))
desc->callback(desc->callback_param);
if (llstat == DMA_COMPLETE)
dmaengine_desc_get_callback_invoke(desc, NULL);
last_cookie = desc->cookie;
dma_run_dependencies(desc);
@ -413,14 +413,9 @@ static int hidma_terminate_channel(struct dma_chan *chan)
/* return all user requests */
list_for_each_entry_safe(mdesc, tmp, &list, node) {
struct dma_async_tx_descriptor *txd = &mdesc->desc;
dma_async_tx_callback callback = mdesc->desc.callback;
void *param = mdesc->desc.callback_param;
dma_descriptor_unmap(txd);
if (callback)
callback(param);
dmaengine_desc_get_callback_invoke(txd, NULL);
dma_run_dependencies(txd);
/* move myself to free_list */