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Commit c509a8e5 authored by Jingoo Han's avatar Jingoo Han Committed by Thierry Reding
Browse files

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: default avatarJingoo Han <jg1.han@samsung.com>
Signed-off-by: default avatarThierry Reding <thierry.reding@avionic-design.de>
parent 482467ad

drivers/pwm/pwm-samsung.c

+9 −11
Original line number Diff line number Diff line
@@ -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)