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| author | Jingoo Han <jg1.han@samsung.com> | 2013-03-08 13:03:31 +0900 | 
|---|---|---|
| committer | Thierry Reding <thierry.reding@avionic-design.de> | 2013-03-08 08:30:55 +0100 | 
| commit | c509a8e521939ca1fd4ba31feca4718328044230 (patch) | |
| tree | b07a85624bbe62f678172ef4f8351b532c815eb1 /drivers/pwm/pwm-samsung.c | |
| parent | 482467ad97b633b28f57c347440d97c108dc4bfb (diff) | |
| download | olio-linux-3.10-c509a8e521939ca1fd4ba31feca4718328044230.tar.xz olio-linux-3.10-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/pwm-samsung.c')
| -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 5207e6cd864..a0ece50d70b 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)  |