linux-kernel - Re: [PATCH v2 1/2] PM / devfreq: Fix compiler warnings

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Message-ID: <CAJ0PZbQNTLEmJQ_sRnByNCzwTKs84dGA7Ap2Yj5KRPefoeNsyw@mail.gmail.com>
Date:	Thu, 28 Mar 2013 15:03:12 +0900
From:	MyungJoo Ham <myungjoo.ham@...sung.com>
To:	Rajagopal Venkat <rajagopal.venkat@...aro.org>
Cc:	rjw@...k.pl, Kevin Hilman <khilman@...aro.org>,
	Alan Stern <stern@...land.harvard.edu>, patches@...aro.org,
	linaro-kernel@...ts.linaro.org, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/2] PM / devfreq: Fix compiler warnings

On Wed, Mar 27, 2013 at 10:52 PM, Rajagopal Venkat
<rajagopal.venkat@...aro.org> wrote:
> Fix compiler warnings generated when devfreq is not enabled
> (CONFIG_PM_DEVFREQ is not set).
>
> Signed-off-by: Rajagopal Venkat <rajagopal.venkat@...aro.org>

Thanks!

Acked-by: MyungJoo Ham <myungjoo.ham@...sung.com>


> ---
>  include/linux/devfreq.h |   16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h
> index 04ad61d..5f1ab92 100644
> --- a/include/linux/devfreq.h
> +++ b/include/linux/devfreq.h
> @@ -215,7 +215,7 @@ struct devfreq_simple_ondemand_data {
>  #endif
>
>  #else /* !CONFIG_PM_DEVFREQ */
> -static struct devfreq *devfreq_add_device(struct device *dev,
> +static inline struct devfreq *devfreq_add_device(struct device *dev,
>                                           struct devfreq_dev_profile *profile,
>                                           const char *governor_name,
>                                           void *data)
> @@ -223,34 +223,34 @@ static struct devfreq *devfreq_add_device(struct device *dev,
>         return NULL;
>  }
>
> -static int devfreq_remove_device(struct devfreq *devfreq)
> +static inline int devfreq_remove_device(struct devfreq *devfreq)
>  {
>         return 0;
>  }
>
> -static int devfreq_suspend_device(struct devfreq *devfreq)
> +static inline int devfreq_suspend_device(struct devfreq *devfreq)
>  {
>         return 0;
>  }
>
> -static int devfreq_resume_device(struct devfreq *devfreq)
> +static inline int devfreq_resume_device(struct devfreq *devfreq)
>  {
>         return 0;
>  }
>
> -static struct opp *devfreq_recommended_opp(struct device *dev,
> +static inline struct opp *devfreq_recommended_opp(struct device *dev,
>                                            unsigned long *freq, u32 flags)
>  {
> -       return -EINVAL;
> +       return ERR_PTR(-EINVAL);
>  }
>
> -static int devfreq_register_opp_notifier(struct device *dev,
> +static inline int devfreq_register_opp_notifier(struct device *dev,
>                                          struct devfreq *devfreq)
>  {
>         return -EINVAL;
>  }
>
> -static int devfreq_unregister_opp_notifier(struct device *dev,
> +static inline int devfreq_unregister_opp_notifier(struct device *dev,
>                                            struct devfreq *devfreq)
>  {
>         return -EINVAL;
> --
> 1.7.10.4
>
> --
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-- 
MyungJoo Ham, Ph.D.
Mobile Software Platform Lab, DMC Business, Samsung Electronics
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