linux-kernel - Re: [PATCH] input: fix misc/twl6040-vibra.c warning

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Message-ID: <20110830065931.GA5791@core.coreip.homeip.net>
Date:	Mon, 29 Aug 2011 23:59:31 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Randy Dunlap <rdunlap@...otime.net>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	linux-input@...r.kernel.org
Subject: Re: [PATCH] input: fix misc/twl6040-vibra.c warning

Hi Randy,

On Mon, Aug 29, 2011 at 12:50:17PM -0700, Randy Dunlap wrote:
> From: Randy Dunlap <rdunlap@...otime.net>
> 
> Fix warning from Geert's build summary emails by changing "if" to
> "ifdef".  Also handle the case of CONFIG_PM_SLEEP not enabled.
> 
> drivers/input/misc/twl6040-vibra.c:231:5: warning: "CONFIG_PM_SLEEP" is not defined
> 
> Builds cleanly with CONFIG_PM_SLEEP enabled or disabled.
> 
> Signed-off-by: Randy Dunlap <rdunlap@...otime.net>
> ---
>  drivers/input/misc/twl6040-vibra.c |   11 +++++++----
>  1 file changed, 7 insertions(+), 4 deletions(-)
> 
> --- linux-next-20110829.orig/drivers/input/misc/twl6040-vibra.c
> +++ linux-next-20110829/drivers/input/misc/twl6040-vibra.c
> @@ -228,7 +228,7 @@ static void twl6040_vibra_close(struct i
>  	mutex_unlock(&info->mutex);
>  }
>  
> -#if CONFIG_PM_SLEEP
> +#ifdef CONFIG_PM_SLEEP

This is actually the only change that is needed. In case when
CONFIG_PM_SLEEP is not defined SIMPLE_DEV_PM_OPS() produces empty
'struct dev_pm_ops' so no additional #ifdef-ing is needed.

Thanks.

-- 
Dmitry
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