From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Thu, 10 Jan 2013 08:53:00 +0000 (+0200)
Subject: dma: ipu_idmac: reuse is_slave_direction helper
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=5127c4f8a314b798459985d93f7829cf9cf9bbc3;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

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 65855373cee..8c61d17a86b 100644
--- a/drivers/dma/ipu/ipu_idmac.c
+++ b/drivers/dma/ipu/ipu_idmac.c
@@ -1347,7 +1347,7 @@ static struct dma_async_tx_descriptor *idmac_prep_slave_sg(struct dma_chan *chan
 	    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;
 	}