dmaengine: fsldma: simplify getting .drvdata

We should get drvdata from struct device directly. Going via
platform_device is an unneeded step back and forth.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>

drivers/dma/fsldma.c

@@ -1328,8 +1328,7 @@ static int fsldma_of_remove(struct platform_device *op)
 #ifdef CONFIG_PM
 static int fsldma_suspend_late(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct fsldma_device *fdev = platform_get_drvdata(pdev);
+	struct fsldma_device *fdev = dev_get_drvdata(dev);
 	struct fsldma_chan *chan;
 	int i;
 
@@ -1360,8 +1359,7 @@ static int fsldma_suspend_late(struct device *dev)
 
 static int fsldma_resume_early(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct fsldma_device *fdev = platform_get_drvdata(pdev);
+	struct fsldma_device *fdev = dev_get_drvdata(dev);
 	struct fsldma_chan *chan;
 	u32 mode;
 	int i;