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dma: ipu_idmac: reuse is_slave_direction helper

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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>
This commit is contained in:
Andy Shevchenko 2013-01-10 10:53:00 +02:00 committed by Vinod Koul
parent 0efcdb20f4
commit 5127c4f8a3
1 changed files with 1 additions and 1 deletions
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drivers/dma/ipu/ipu_idmac.c
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@ -1347,7 +1347,7 @@ static struct dma_async_tx_descriptor *idmac_prep_slave_sg(struct dma_chan *chan
chan->chan_id != IDMAC_IC_7) chan->chan_id != IDMAC_IC_7)
return NULL; return NULL;
if (direction != DMA_DEV_TO_MEM && direction != DMA_MEM_TO_DEV) { if (!is_slave_direction(direction)) {
dev_err(chan->device->dev, "Invalid DMA direction %d!\n", direction); dev_err(chan->device->dev, "Invalid DMA direction %d!\n", direction);
return NULL; return NULL;
} }