linux-kernel - Re: [PATCH 3/3] hwmon: pwm-fan: remove no longer needed suspend/resume code

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Date:   Mon, 3 Apr 2017 08:52:31 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Jean Delvare <jdelvare@...e.com>,
        Kamil Debski <kamil@...as.org>,
        Tomasz Figa <tomasz.figa@...il.com>, linux-pwm@...r.kernel.org,
        linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-samsung-soc@...r.kernel.org
Subject: Re: [PATCH 3/3] hwmon: pwm-fan: remove no longer needed
 suspend/resume code

On Mon, Apr 03, 2017 at 03:47:06PM +0200, Bartlomiej Zolnierkiewicz wrote:
> The suspend/resume is now properly handled by pwm-samsung driver
> (pwm-fan is currently only used by ARM Exynos boards) and the old
> code only handles ctx->pwm_value != 0 case. Just remove it.
> 
> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>

Acked-by: Guenter Roeck <linux@...ck-us.net>

I assume this will be picked up with the rest of the series.
If not please let me know.

Guenter

> ---
>  drivers/hwmon/pwm-fan.c | 32 --------------------------------
>  1 file changed, 32 deletions(-)
> 
> diff --git a/drivers/hwmon/pwm-fan.c b/drivers/hwmon/pwm-fan.c
> index f9af393..9dc40f3 100644
> --- a/drivers/hwmon/pwm-fan.c
> +++ b/drivers/hwmon/pwm-fan.c
> @@ -302,37 +302,6 @@ static int pwm_fan_remove(struct platform_device *pdev)
>  	return 0;
>  }
>  
> -#ifdef CONFIG_PM_SLEEP
> -static int pwm_fan_suspend(struct device *dev)
> -{
> -	struct pwm_fan_ctx *ctx = dev_get_drvdata(dev);
> -
> -	if (ctx->pwm_value)
> -		pwm_disable(ctx->pwm);
> -	return 0;
> -}
> -
> -static int pwm_fan_resume(struct device *dev)
> -{
> -	struct pwm_fan_ctx *ctx = dev_get_drvdata(dev);
> -	struct pwm_args pargs;
> -	unsigned long duty;
> -	int ret;
> -
> -	if (ctx->pwm_value == 0)
> -		return 0;
> -
> -	pwm_get_args(ctx->pwm, &pargs);
> -	duty = DIV_ROUND_UP(ctx->pwm_value * (pargs.period - 1), MAX_PWM);
> -	ret = pwm_config(ctx->pwm, duty, pargs.period);
> -	if (ret)
> -		return ret;
> -	return pwm_enable(ctx->pwm);
> -}
> -#endif
> -
> -static SIMPLE_DEV_PM_OPS(pwm_fan_pm, pwm_fan_suspend, pwm_fan_resume);
> -
>  static const struct of_device_id of_pwm_fan_match[] = {
>  	{ .compatible = "pwm-fan", },
>  	{},
> @@ -344,7 +313,6 @@ static int pwm_fan_resume(struct device *dev)
>  	.remove		= pwm_fan_remove,
>  	.driver	= {
>  		.name		= "pwm-fan",
> -		.pm		= &pwm_fan_pm,
>  		.of_match_table	= of_pwm_fan_match,
>  	},
>  };
> -- 
> 1.9.1
>