rtc: rtc-rc5t583: use platform_{get,set}_drvdata()

Use the wrapper functions for getting and setting the driver data using
platform_device instead of using dev_{get,set}_drvdata() with &pdev->dev,
so we can directly pass a struct platform_device.

Signed-off-by: Jingoo Han <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/rtc/rtc-rc5t583.c

···
  */
 static int rc5t583_rtc_remove(struct platform_device *pdev)
 {
-	struct rc5t583_rtc *rc5t583_rtc = dev_get_drvdata(&pdev->dev);
+	struct rc5t583_rtc *rc5t583_rtc = platform_get_drvdata(pdev);
 
 	rc5t583_rtc_alarm_irq_enable(&rc5t583_rtc->rtc->dev, 0);
 	return 0;