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

From: Dmitry Torokhov
Date: Tue Aug 30 2011 - 02:59:44 EST


Hi Randy,

On Mon, Aug 29, 2011 at 12:50:17PM -0700, Randy Dunlap wrote:
> From: Randy Dunlap <rdunlap@xxxxxxxxxxxx>
>
> 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@xxxxxxxxxxxx>
> ---
> 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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