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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>
This commit is contained in:
Wolfram Sang 2018-04-19 16:06:13 +02:00 committed by Thierry Reding
parent 735596ca8a
commit 692099cdcf
2 changed files with 3 additions and 6 deletions
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6
drivers/pwm/pwm-atmel-tcb.c
View File

@ -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;

3
drivers/pwm/pwm-rcar.c
View File

@ -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];