linux-kernel - Re: [PATCH 02/10] cpufreq: Re-arrange declarations in cpufreq.h

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Date:	Sat, 03 Aug 2013 23:43:27 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	linaro-kernel@...ts.linaro.org, patches@...aro.org,
	cpufreq@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org, srivatsa.bhat@...ux.vnet.ibm.com,
	l.majewski@...sung.com
Subject: Re: [PATCH 02/10] cpufreq: Re-arrange declarations in cpufreq.h

On Saturday, August 03, 2013 10:43:45 PM Viresh Kumar wrote:
> On 3 August 2013 17:19, Viresh Kumar <viresh.kumar@...aro.org> wrote:
> > They are pretty much mixed up. Although generic headers are present but
> > definitions/declarations are present outside them too..
> >
> > This patch just moves stuff up and down to make it look better and consistent.
> >
> > Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
> > ---
> >  include/linux/cpufreq.h | 370 +++++++++++++++++++++++-------------------------
> >  1 file changed, 177 insertions(+), 193 deletions(-)
> 
> Fixup due to compilation reported by Fengguang's kbuild system:
> [Will post the series again once I receive more comments on it]

OK, thanks.  I'm waiting for the update of the whole series, then.

> diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
> index a6b97e2..d568f39 100644
> --- a/include/linux/cpufreq.h
> +++ b/include/linux/cpufreq.h
> @@ -268,6 +268,19 @@ int cpufreq_unregister_notifier(struct
> notifier_block *nb, unsigned int list);
>  void cpufreq_notify_transition(struct cpufreq_policy *policy,
>                 struct cpufreq_freqs *freqs, unsigned int state);
> 
> +#else /* CONFIG_CPU_FREQ */
> +static inline int cpufreq_register_notifier(struct notifier_block *nb,
> +                                               unsigned int list)
> +{
> +       return 0;
> +}
> +static inline int cpufreq_unregister_notifier(struct notifier_block *nb,
> +                                               unsigned int list)
> +{
> +       return 0;
> +}
> +#endif /* !CONFIG_CPU_FREQ */
> +
>  /**
>   * cpufreq_scale - "old * mult / div" calculation for large values (32-bit-arch
>   * safe)
> @@ -282,32 +295,16 @@ static inline unsigned long
> cpufreq_scale(unsigned long old, u_int div,
>                 u_int mult)
>  {
>  #if BITS_PER_LONG == 32
> -
>         u64 result = ((u64) old) * ((u64) mult);
>         do_div(result, div);
>         return (unsigned long) result;
> 
>  #elif BITS_PER_LONG == 64
> -
>         unsigned long result = old * ((u64) mult);
>         result /= div;
>         return result;
> -
>  #endif
> -};
> -
> -#else /* CONFIG_CPU_FREQ */
> -static inline int cpufreq_register_notifier(struct notifier_block *nb,
> -                                               unsigned int list)
> -{
> -       return 0;
>  }
> -static inline int cpufreq_unregister_notifier(struct notifier_block *nb,
> -                                               unsigned int list)
> -{
> -       return 0;
> -}
> -#endif /* !CONFIG_CPU_FREQ */
> 
>  /*********************************************************************
>   *                          CPUFREQ GOVERNORS                        *
-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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