diff options
| author | Jingoo Han <jg1.han@samsung.com> | 2013-03-08 05:03:31 +0100 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@avionic-design.de> | 2013-03-08 08:30:55 +0100 |
| commit | c509a8e521939ca1fd4ba31feca4718328044230 (patch) | |
| tree | b07a85624bbe62f678172ef4f8351b532c815eb1 /drivers/pwm | |
| parent | pwm: ab8500: use devm_kzalloc() (diff) | |
| download | linux-c509a8e521939ca1fd4ba31feca4718328044230.tar.xz linux-c509a8e521939ca1fd4ba31feca4718328044230.zip | |
pwm: samsung: convert s3c_pwm to dev_pm_ops
Instead of using legacy suspend/resume methods, using newer dev_pm_ops
structure allows better control over power management.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Diffstat (limited to 'drivers/pwm')
| -rw-r--r-- | drivers/pwm/pwm-samsung.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/pwm/pwm-samsung.c b/drivers/pwm/pwm-samsung.c index 5207e6cd8648..a0ece50d70bb 100644 --- a/drivers/pwm/pwm-samsung.c +++ b/drivers/pwm/pwm-samsung.c @@ -289,10 +289,10 @@ static int s3c_pwm_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM -static int s3c_pwm_suspend(struct platform_device *pdev, pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int s3c_pwm_suspend(struct device *dev) { - struct s3c_chip *s3c = platform_get_drvdata(pdev); + struct s3c_chip *s3c = dev_get_drvdata(dev); /* No one preserve these values during suspend so reset them * Otherwise driver leaves PWM unconfigured if same values @@ -304,9 +304,9 @@ static int s3c_pwm_suspend(struct platform_device *pdev, pm_message_t state) return 0; } -static int s3c_pwm_resume(struct platform_device *pdev) +static int s3c_pwm_resume(struct device *dev) { - struct s3c_chip *s3c = platform_get_drvdata(pdev); + struct s3c_chip *s3c = dev_get_drvdata(dev); unsigned long tcon; /* Restore invertion */ @@ -316,21 +316,19 @@ static int s3c_pwm_resume(struct platform_device *pdev) return 0; } - -#else -#define s3c_pwm_suspend NULL -#define s3c_pwm_resume NULL #endif +static SIMPLE_DEV_PM_OPS(s3c_pwm_pm_ops, s3c_pwm_suspend, + s3c_pwm_resume); + static struct platform_driver s3c_pwm_driver = { .driver = { .name = "s3c24xx-pwm", .owner = THIS_MODULE, + .pm = &s3c_pwm_pm_ops, }, .probe = s3c_pwm_probe, .remove = s3c_pwm_remove, - .suspend = s3c_pwm_suspend, - .resume = s3c_pwm_resume, }; static int __init pwm_init(void) |