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dmaengine: ste_dma40: 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 4 additions and 6 deletions
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@ -1596,8 +1596,7 @@ static void dma_tasklet(unsigned long data)
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struct d40_desc *d40d;
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unsigned long flags;
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bool callback_active;
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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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spin_lock_irqsave(&d40c->lock, flags);
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@ -1624,8 +1623,7 @@ static void dma_tasklet(unsigned long data)
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/* Callback to client */
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callback_active = !!(d40d->txd.flags & DMA_PREP_INTERRUPT);
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callback = d40d->txd.callback;
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callback_param = d40d->txd.callback_param;
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dmaengine_desc_get_callback(&d40d->txd, &cb);
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if (!d40d->cyclic) {
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if (async_tx_test_ack(&d40d->txd)) {
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@ -1646,8 +1644,8 @@ static void dma_tasklet(unsigned long data)
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spin_unlock_irqrestore(&d40c->lock, flags);
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if (callback_active && callback)
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callback(callback_param);
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if (callback_active)
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dmaengine_desc_callback_invoke(&cb, NULL);
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return;
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