rtc: rtc-coh901331: 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: NJingoo Han <jg1.han@samsung.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

drivers/rtc/rtc-coh901331.c

@@ -152,7 +152,7 @@ static struct rtc_class_ops coh901331_ops = {
 
 static int __exit coh901331_remove(struct platform_device *pdev)
 {
-	struct coh901331_port *rtap = dev_get_drvdata(&pdev->dev);
+	struct coh901331_port *rtap = platform_get_drvdata(pdev);
 
 	if (rtap)
 		clk_unprepare(rtap->clk);
@@ -264,7 +264,7 @@ static SIMPLE_DEV_PM_OPS(coh901331_pm_ops, coh901331_suspend, coh901331_resume);
 
 static void coh901331_shutdown(struct platform_device *pdev)
 {
-	struct coh901331_port *rtap = dev_get_drvdata(&pdev->dev);
+	struct coh901331_port *rtap = platform_get_drvdata(pdev);
 
 	clk_enable(rtap->clk);
 	writel(0, rtap->virtbase + COH901331_IRQ_MASK);