RE: [PATCH] Input: ep93xx_keypad - switch to using dev_pm_ops

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On Tuesday, April 10, 2012 1:02 AM, Dmitry Torokhov wrote:
> 
> Signed-off-by: Dmitry Torokhov <dtor@xxxxxxx>
> ---
>  drivers/input/keyboard/ep93xx_keypad.c |   20 ++++++++++----------
>  1 files changed, 10 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/input/keyboard/ep93xx_keypad.c b/drivers/input/keyboard/ep93xx_keypad.c
> index 0ba69f3..d6cd634 100644
> --- a/drivers/input/keyboard/ep93xx_keypad.c
> +++ b/drivers/input/keyboard/ep93xx_keypad.c
> @@ -182,16 +182,16 @@ static void ep93xx_keypad_close(struct input_dev *pdev)
>  }
>  
>  
> -#ifdef CONFIG_PM
> +#ifdef CONFIG_PM_SLEEP
>  /*
>   * NOTE: I don't know if this is correct, or will work on the ep93xx.
>   *
>   * None of the existing ep93xx drivers have power management support.
>   * But, this is basically what the pxa27x_keypad driver does.
>   */

Dmitry,

The comment above can probably be removed also.

> -static int ep93xx_keypad_suspend(struct platform_device *pdev,
> -				 pm_message_t state)
> +static int ep93xx_keypad_suspend(struct device *dev)
>  {
> +	struct platform_device *pdev = to_platform_device(dev);
>  	struct ep93xx_keypad *keypad = platform_get_drvdata(pdev);
>  	struct input_dev *input_dev = keypad->input_dev;
>  
> @@ -210,8 +210,9 @@ static int ep93xx_keypad_suspend(struct platform_device *pdev,
>  	return 0;
>  }
>  
> -static int ep93xx_keypad_resume(struct platform_device *pdev)
> +static int ep93xx_keypad_resume(struct device *dev)
>  {
> +	struct platform_device *pdev = to_platform_device(dev);
>  	struct ep93xx_keypad *keypad = platform_get_drvdata(pdev);
>  	struct input_dev *input_dev = keypad->input_dev;
>  
> @@ -232,10 +233,10 @@ static int ep93xx_keypad_resume(struct platform_device *pdev)
>  
>  	return 0;
>  }
> -#else	/* !CONFIG_PM */
> -#define ep93xx_keypad_suspend	NULL
> -#define ep93xx_keypad_resume	NULL
> -#endif	/* !CONFIG_PM */
> +#endif
> +
> +static SIMPLE_DEV_PM_OPS(ep93xx_keypad_pm_ops,
> +			 ep93xx_keypad_suspend, ep93xx_keypad_resume);
>  
>  static int __devinit ep93xx_keypad_probe(struct platform_device *pdev)
>  {
> @@ -384,11 +385,10 @@ static struct platform_driver ep93xx_keypad_driver = {
>  	.driver		= {
>  		.name	= "ep93xx-keypad",
>  		.owner	= THIS_MODULE,
> +		.pm	= &ep93xx_keypad_pm_ops,
>  	},
>  	.probe		= ep93xx_keypad_probe,
>  	.remove		= __devexit_p(ep93xx_keypad_remove),
> -	.suspend	= ep93xx_keypad_suspend,
> -	.resume		= ep93xx_keypad_resume,
>  };
>  module_platform_driver(ep93xx_keypad_driver);

Acked-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>

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