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>
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@ -289,10 +289,10 @@ static int s3c_pwm_remove(struct platform_device *pdev)
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return 0;
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}
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#ifdef CONFIG_PM
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static int s3c_pwm_suspend(struct platform_device *pdev, pm_message_t state)
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#ifdef CONFIG_PM_SLEEP
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static int s3c_pwm_suspend(struct device *dev)
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{
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struct s3c_chip *s3c = platform_get_drvdata(pdev);
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struct s3c_chip *s3c = dev_get_drvdata(dev);
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/* No one preserve these values during suspend so reset them
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* Otherwise driver leaves PWM unconfigured if same values
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@ -304,9 +304,9 @@ static int s3c_pwm_suspend(struct platform_device *pdev, pm_message_t state)
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return 0;
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}
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static int s3c_pwm_resume(struct platform_device *pdev)
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static int s3c_pwm_resume(struct device *dev)
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{
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struct s3c_chip *s3c = platform_get_drvdata(pdev);
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struct s3c_chip *s3c = dev_get_drvdata(dev);
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unsigned long tcon;
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/* Restore invertion */
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@ -316,21 +316,19 @@ static int s3c_pwm_resume(struct platform_device *pdev)
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return 0;
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}
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#else
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#define s3c_pwm_suspend NULL
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#define s3c_pwm_resume NULL
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#endif
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static SIMPLE_DEV_PM_OPS(s3c_pwm_pm_ops, s3c_pwm_suspend,
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s3c_pwm_resume);
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static struct platform_driver s3c_pwm_driver = {
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.driver = {
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.name = "s3c24xx-pwm",
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.owner = THIS_MODULE,
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.pm = &s3c_pwm_pm_ops,
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},
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.probe = s3c_pwm_probe,
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.remove = s3c_pwm_remove,
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.suspend = s3c_pwm_suspend,
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.resume = s3c_pwm_resume,
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};
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static int __init pwm_init(void)
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