AuxXxilium/linux_dsm_epyc7002
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dmaengine: xilinx_dma: Remove desc_callback_valid check

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In descriptor cleanup the call to desc_callback_valid can be safely
removed as both callback pointers i.e callback_result and callback
are anyway checked in invoke(). There is no much benefit in having
redundant checks.

Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>
Signed-off-by: Nicholas Graumann <nick.graumann@gmail.com>
Reviewed-by: Appana Durga Kedareswara rao <appana.durga.rao@xilinx.com>
Link: https://lore.kernel.org/r/1571150904-3988-2-git-send-email-radhey.shyam.pandey@xilinx.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Radhey Shyam Pandey 2019-10-15 20:18:18 +05:30 committed by Vinod Koul
parent a6e9be055d
commit 005a017926
1 changed files with 3 additions and 5 deletions
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8
drivers/dma/xilinx/xilinx_dma.c
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@ -832,11 +832,9 @@ static void xilinx_dma_chan_desc_cleanup(struct xilinx_dma_chan *chan)
/* Run the link descriptor callback function */
dmaengine_desc_get_callback(&desc->async_tx, &cb);
if (dmaengine_desc_callback_valid(&cb)) {
spin_unlock_irqrestore(&chan->lock, flags);
dmaengine_desc_callback_invoke(&cb, NULL);
spin_lock_irqsave(&chan->lock, flags);
}
spin_unlock_irqrestore(&chan->lock, flags);
dmaengine_desc_callback_invoke(&cb, NULL);
spin_lock_irqsave(&chan->lock, flags);
/* Run any dependencies, then free the descriptor */
dma_run_dependencies(&desc->async_tx);