Input: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead
of accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
diff --git a/drivers/input/misc/bfin_rotary.c b/drivers/input/misc/bfin_rotary.c
index cd139cb..7703447 100644
--- a/drivers/input/misc/bfin_rotary.c
+++ b/drivers/input/misc/bfin_rotary.c
@@ -92,7 +92,7 @@
 
 static int bfin_rotary_probe(struct platform_device *pdev)
 {
-	struct bfin_rotary_platform_data *pdata = pdev->dev.platform_data;
+	struct bfin_rotary_platform_data *pdata = dev_get_platdata(&pdev->dev);
 	struct bfin_rot *rotary;
 	struct input_dev *input;
 	int error;