pinctrl: cherryview: simplify getting .driver_data

We should get 'driver_data' 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: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

drivers/pinctrl/intel/pinctrl-cherryview.c

@@ -1744,8 +1744,7 @@ static int chv_pinctrl_remove(struct platform_device *pdev)
 #ifdef CONFIG_PM_SLEEP
 static int chv_pinctrl_suspend_noirq(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct chv_pinctrl *pctrl = platform_get_drvdata(pdev);
+	struct chv_pinctrl *pctrl = dev_get_drvdata(dev);
 	unsigned long flags;
 	int i;
 
@@ -1778,8 +1777,7 @@ static int chv_pinctrl_suspend_noirq(struct device *dev)
 
 static int chv_pinctrl_resume_noirq(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct chv_pinctrl *pctrl = platform_get_drvdata(pdev);
+	struct chv_pinctrl *pctrl = dev_get_drvdata(dev);
 	unsigned long flags;
 	int i;