media: platform: am437x: 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: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/platform/am437x/am437x-vpfe.c

@@ -2662,8 +2662,7 @@ static void vpfe_save_context(struct vpfe_ccdc *ccdc)
 
 static int vpfe_suspend(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct vpfe_device *vpfe = platform_get_drvdata(pdev);
+	struct vpfe_device *vpfe = dev_get_drvdata(dev);
 	struct vpfe_ccdc *ccdc = &vpfe->ccdc;
 
 	/* if streaming has not started we don't care */
@@ -2720,8 +2719,7 @@ static void vpfe_restore_context(struct vpfe_ccdc *ccdc)
 
 static int vpfe_resume(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct vpfe_device *vpfe = platform_get_drvdata(pdev);
+	struct vpfe_device *vpfe = dev_get_drvdata(dev);
 	struct vpfe_ccdc *ccdc = &vpfe->ccdc;
 
 	/* if streaming has not started we don't care */