clk: samsung: simplify getting .drvdata

We should get drvdata from struct device directly. Going via
platform_device is an unneeded step back and forth.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

drivers/clk/samsung/clk-s3c2410-dclk.c

@@ -219,8 +219,7 @@ static int s3c24xx_dclk1_div_notify(struct notifier_block *nb,
 #ifdef CONFIG_PM_SLEEP
 static int s3c24xx_dclk_suspend(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct s3c24xx_dclk *s3c24xx_dclk = platform_get_drvdata(pdev);
+	struct s3c24xx_dclk *s3c24xx_dclk = dev_get_drvdata(dev);
 
 	s3c24xx_dclk->reg_save = readl_relaxed(s3c24xx_dclk->base);
 	return 0;
@@ -228,8 +227,7 @@ static int s3c24xx_dclk_suspend(struct device *dev)
 
 static int s3c24xx_dclk_resume(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct s3c24xx_dclk *s3c24xx_dclk = platform_get_drvdata(pdev);
+	struct s3c24xx_dclk *s3c24xx_dclk = dev_get_drvdata(dev);
 
 	writel_relaxed(s3c24xx_dclk->reg_save, s3c24xx_dclk->base);
 	return 0;