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authorJingoo Han <jg1.han@samsung.com>2013-03-08 13:03:31 +0900
committerThierry Reding <thierry.reding@avionic-design.de>2013-03-08 08:30:55 +0100
commitc509a8e521939ca1fd4ba31feca4718328044230 (patch)
treeb07a85624bbe62f678172ef4f8351b532c815eb1 /drivers/pwm/pwm-samsung.c
parent482467ad97b633b28f57c347440d97c108dc4bfb (diff)
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.c20
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)

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