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>
diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c
index 6585537..8c61d17 100644
--- a/drivers/dma/ipu/ipu_idmac.c
+++ b/drivers/dma/ipu/ipu_idmac.c
@@ -1347,7 +1347,7 @@
chan->chan_id != IDMAC_IC_7)
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);
return NULL;
}