dma: ipu_idmac: reuse is_slave_direction helper
The is_slave_direction helps to check if the transfer type is slave. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org> Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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@ -1347,7 +1347,7 @@ static struct dma_async_tx_descriptor *idmac_prep_slave_sg(struct dma_chan *chan
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chan->chan_id != IDMAC_IC_7)
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return NULL;
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if (direction != DMA_DEV_TO_MEM && direction != DMA_MEM_TO_DEV) {
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if (!is_slave_direction(direction)) {
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dev_err(chan->device->dev, "Invalid DMA direction %d!\n", direction);
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return NULL;
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}
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