linux-kernel - Re: [PATCH 1/8] mfd: ti_am335x_tscadc: Use SIMPLE_DEV_PM

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Message-ID: <20160608153559.GV14888@dell>
Date:	Wed, 8 Jun 2016 16:35:59 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	"Andrew F. Davis" <afd@...com>
Cc:	Jonathan Cameron <jic23@...nel.org>,
	Hartmut Knaack <knaack.h@....de>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Peter Meerwald-Stadler <pmeerw@...erw.net>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Dave Gerlach <d-gerlach@...com>, linux-iio@...r.kernel.org,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/8] mfd: ti_am335x_tscadc: Use SIMPLE_DEV_PM_OPS helper
 macro

On Tue, 31 May 2016, Andrew F. Davis wrote:

> Replace ifdefs with SIMPLE_DEV_PM_OPS helper macro.
> 
> Signed-off-by: Andrew F. Davis <afd@...com>
> ---
>  drivers/mfd/ti_am335x_tscadc.c | 16 ++++------------
>  1 file changed, 4 insertions(+), 12 deletions(-)

Acked-by: Lee Jones <lee.jones@...aro.org>

> diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c
> index e4e4b22..644128b 100644
> --- a/drivers/mfd/ti_am335x_tscadc.c
> +++ b/drivers/mfd/ti_am335x_tscadc.c
> @@ -310,8 +310,7 @@ static int ti_tscadc_remove(struct platform_device *pdev)
>  	return 0;
>  }
>  
> -#ifdef CONFIG_PM
> -static int tscadc_suspend(struct device *dev)
> +static int __maybe_unused tscadc_suspend(struct device *dev)
>  {
>  	struct ti_tscadc_dev	*tscadc_dev = dev_get_drvdata(dev);
>  
> @@ -321,7 +320,7 @@ static int tscadc_suspend(struct device *dev)
>  	return 0;
>  }
>  
> -static int tscadc_resume(struct device *dev)
> +static int __maybe_unused tscadc_resume(struct device *dev)
>  {
>  	struct ti_tscadc_dev	*tscadc_dev = dev_get_drvdata(dev);
>  	u32 ctrl;
> @@ -347,14 +346,7 @@ static int tscadc_resume(struct device *dev)
>  	return 0;
>  }
>  
> -static const struct dev_pm_ops tscadc_pm_ops = {
> -	.suspend = tscadc_suspend,
> -	.resume = tscadc_resume,
> -};
> -#define TSCADC_PM_OPS (&tscadc_pm_ops)
> -#else
> -#define TSCADC_PM_OPS NULL
> -#endif
> +static SIMPLE_DEV_PM_OPS(tscadc_pm_ops, tscadc_suspend, tscadc_resume);
>  
>  static const struct of_device_id ti_tscadc_dt_ids[] = {
>  	{ .compatible = "ti,am3359-tscadc", },
> @@ -365,7 +357,7 @@ MODULE_DEVICE_TABLE(of, ti_tscadc_dt_ids);
>  static struct platform_driver ti_tscadc_driver = {
>  	.driver = {
>  		.name   = "ti_am3359-tscadc",
> -		.pm	= TSCADC_PM_OPS,
> +		.pm	= &tscadc_pm_ops,
>  		.of_match_table = ti_tscadc_dt_ids,
>  	},
>  	.probe	= ti_tscadc_probe,

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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