drivers/rtc/rtc-ds2404.c: 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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/rtc/rtc-ds2404.c b/drivers/rtc/rtc-ds2404.c
index 2ca5a23..fc209dc 100644
--- a/drivers/rtc/rtc-ds2404.c
+++ b/drivers/rtc/rtc-ds2404.c
@@ -224,7 +224,7 @@
 
 static int rtc_probe(struct platform_device *pdev)
 {
-	struct ds2404_platform_data *pdata = pdev->dev.platform_data;
+	struct ds2404_platform_data *pdata = dev_get_platdata(&pdev->dev);
 	struct ds2404 *chip;
 	int retval = -EBUSY;