pwm: 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: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

2 files changed, 3 insertions, 6 deletions

diff --git a/drivers/pwm/pwm-atmel-tcb.c b/drivers/pwm/pwm-atmel-tcb.c
index 4fb1be246c44..0d0f8376bc35 100644
--- a/drivers/pwm/pwm-atmel-tcb.c
+++ b/drivers/pwm/pwm-atmel-tcb.c
@@ -460,8 +460,7 @@ MODULE_DEVICE_TABLE(of, atmel_tcb_pwm_dt_ids);
 #ifdef CONFIG_PM_SLEEP
 static int atmel_tcb_pwm_suspend(struct device *dev)
 {
-        struct platform_device *pdev = to_platform_device(dev);
-        struct atmel_tcb_pwm_chip *tcbpwm = platform_get_drvdata(pdev);
+        struct atmel_tcb_pwm_chip *tcbpwm = dev_get_drvdata(dev);
         void __iomem *base = tcbpwm->tc->regs;
         int i;
 
@@ -478,8 +477,7 @@ static int atmel_tcb_pwm_suspend(struct device *dev)
 
 static int atmel_tcb_pwm_resume(struct device *dev)
 {
-        struct platform_device *pdev = to_platform_device(dev);
-        struct atmel_tcb_pwm_chip *tcbpwm = platform_get_drvdata(pdev);
+        struct atmel_tcb_pwm_chip *tcbpwm = dev_get_drvdata(dev);
         void __iomem *base = tcbpwm->tc->regs;
         int i;
 
diff --git a/drivers/pwm/pwm-rcar.c b/drivers/pwm/pwm-rcar.c
index 91d11f2e2fef..748f614d5375 100644
--- a/drivers/pwm/pwm-rcar.c
+++ b/drivers/pwm/pwm-rcar.c
@@ -261,8 +261,7 @@ MODULE_DEVICE_TABLE(of, rcar_pwm_of_table);
 #ifdef CONFIG_PM_SLEEP
 static struct pwm_device *rcar_pwm_dev_to_pwm_dev(struct device *dev)
 {
-        struct platform_device *pdev = to_platform_device(dev);
-        struct rcar_pwm_chip *rcar_pwm = platform_get_drvdata(pdev);
+        struct rcar_pwm_chip *rcar_pwm = dev_get_drvdata(dev);
         struct pwm_chip *chip = &rcar_pwm->chip;
 
         return &chip->pwms[0];