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dma: ste_dma40: 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>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Andy Shevchenko 2013-01-10 10:53:01 +02:00 committed by Vinod Koul
parent 5127c4f8a3
commit a725dcc034
1 changed files with 1 additions and 1 deletions
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2
drivers/dma/ste_dma40.c
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@ -2337,7 +2337,7 @@ static struct dma_async_tx_descriptor *d40_prep_slave_sg(struct dma_chan *chan,
unsigned long dma_flags,
void *context)
{
if (direction != DMA_DEV_TO_MEM && direction != DMA_MEM_TO_DEV)
if (!is_slave_direction(direction))
return NULL;
return d40_prep_sg(chan, sgl, sgl, sg_len, direction, dma_flags);