linux-kernel - Re: [PATCH] backlight: ams369fg06: convert ams369fg06 to dev_pm

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Date:	Fri, 22 Feb 2013 13:26:03 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Jingoo Han <jg1.han@...sung.com>
Cc:	"'LKML'" <linux-kernel@...r.kernel.org>,
	"'Richard Purdie'" <rpurdie@...ys.net>
Subject: Re: [PATCH] backlight: ams369fg06: convert ams369fg06 to dev_pm_ops

On Fri, 22 Feb 2013 19:42:59 +0900
Jingoo Han <jg1.han@...sung.com> wrote:

> Instead of using legacy suspend/resume methods, using newer dev_pm_ops
> structure allows better control over power management.
> 
> ...
>
> @@ -571,12 +571,13 @@ static struct spi_driver ams369fg06_driver = {
>  	.driver = {
>  		.name	= "ams369fg06",
>  		.owner	= THIS_MODULE,
> +#ifdef CONFIG_PM
> +		.pm	= &ams369fg06_pm_ops,
> +#endif
>  	},
>  	.probe		= ams369fg06_probe,
>  	.remove		= ams369fg06_remove,
>  	.shutdown	= ams369fg06_shutdown,

Are the ifdefs needed?  There's various macro trickery in pm.h to clean
this up - the rtc drivers use it.

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