mtd: maps: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/drivers/mtd/maps/sa1100-flash.c b/drivers/mtd/maps/sa1100-flash.c
index 9e70f8e..8fc06bf 100644
--- a/drivers/mtd/maps/sa1100-flash.c
+++ b/drivers/mtd/maps/sa1100-flash.c
@@ -248,7 +248,7 @@
 
 static int sa1100_mtd_probe(struct platform_device *pdev)
 {
-	struct flash_platform_data *plat = pdev->dev.platform_data;
+	struct flash_platform_data *plat = dev_get_platdata(&pdev->dev);
 	struct sa_info *info;
 	int err;
 
@@ -277,7 +277,7 @@
 static int __exit sa1100_mtd_remove(struct platform_device *pdev)
 {
 	struct sa_info *info = platform_get_drvdata(pdev);
-	struct flash_platform_data *plat = pdev->dev.platform_data;
+	struct flash_platform_data *plat = dev_get_platdata(&pdev->dev);
 
 	sa1100_destroy(info, plat);