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dmaengine: coh901318: 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: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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1 changed files with 3 additions and 6 deletions
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@ -1888,8 +1888,7 @@ static void dma_tasklet(unsigned long data)
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struct coh901318_chan *cohc = (struct coh901318_chan *) data;
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struct coh901318_desc *cohd_fin;
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unsigned long flags;
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dma_async_tx_callback callback;
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void *callback_param;
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struct dmaengine_desc_callback cb;
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dev_vdbg(COHC_2_DEV(cohc), "[%s] chan_id %d"
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" nbr_active_done %ld\n", __func__,
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@ -1904,8 +1903,7 @@ static void dma_tasklet(unsigned long data)
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goto err;
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/* locate callback to client */
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callback = cohd_fin->desc.callback;
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callback_param = cohd_fin->desc.callback_param;
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dmaengine_desc_get_callback(&cohd_fin->desc, &cb);
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/* sign this job as completed on the channel */
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dma_cookie_complete(&cohd_fin->desc);
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@ -1920,8 +1918,7 @@ static void dma_tasklet(unsigned long data)
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spin_unlock_irqrestore(&cohc->lock, flags);
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/* Call the callback when we're done */
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if (callback)
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callback(callback_param);
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dmaengine_desc_callback_invoke(&cb, NULL);
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spin_lock_irqsave(&cohc->lock, flags);
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