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SubjectRe: [PATCH] cpufreq: Add dummy cpufreq_cpu_get/put for CONFIG_CPU_FREQ=n
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On Tuesday, October 08, 2013 10:56:11 AM Daniel Vetter wrote:
> The drm/i915 driver wants to adjust it's own power policies using the
> cpu policies as a guideline (we can implicitly boost the cpus through
> the gpus on some platforms). To avoid a dreaded select (since a
> depends will leave users wondering where where their driver has gone
> too) add dummy functions.
>
> Reported-by: kbuild test robot <fengguang.wu@intel.com>
> Cc: kbuild test robot <fengguang.wu@intel.com>
> Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
> Cc: Viresh Kumar <viresh.kumar@linaro.org>
> Cc: cpufreq@vger.kernel.org
> Cc: linux-pm@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
> ---
> A quick ack for merging this this through the drm-intel tree is
> probably the simplest way forward.

Well, ACK, or please let me know if you want me to take this.

Thanks!

> ---
> include/linux/cpufreq.h | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
> index fcabc42..5ad9a4e 100644
> --- a/include/linux/cpufreq.h
> +++ b/include/linux/cpufreq.h
> @@ -93,8 +93,16 @@ struct cpufreq_policy {
> #define CPUFREQ_SHARED_TYPE_ALL (2) /* All dependent CPUs should set freq */
> #define CPUFREQ_SHARED_TYPE_ANY (3) /* Freq can be set from any dependent CPU*/
>
> +#ifdef CONFIG_CPU_FREQ
> struct cpufreq_policy *cpufreq_cpu_get(unsigned int cpu);
> void cpufreq_cpu_put(struct cpufreq_policy *policy);
> +#else
> +static inline struct cpufreq_policy *cpufreq_cpu_get(unsigned int cpu)
> +{
> + return NULL;
> +}
> +static inline void cpufreq_cpu_put(struct cpufreq_policy *policy) { }
> +#endif
>
> static inline bool policy_is_shared(struct cpufreq_policy *policy)
> {
>
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.


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