On Monday, March 04, 2013 03:37:56 PM Viresh Kumar wrote: > have_multiple_policies is required by platforms having multiple clock-domains > for cpus, i.e. supporting multiple policies for cpus. This patch adds in a > Kconfig option for enabling execution of this code. > > Reported-by: Borislav Petkov <b...@alien8.de> > Signed-off-by: Viresh Kumar <viresh.ku...@linaro.org> > --- > drivers/cpufreq/Kconfig | 3 +++ > include/linux/cpufreq.h | 4 ++++ > 2 files changed, 7 insertions(+) > > diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig > index cbcb21e..e6e6939 100644 > --- a/drivers/cpufreq/Kconfig > +++ b/drivers/cpufreq/Kconfig > @@ -23,6 +23,9 @@ config CPU_FREQ_TABLE > config CPU_FREQ_GOV_COMMON > bool > > +config CPU_FREQ_HAVE_MULTIPLE_POLICIES > + bool > + > config CPU_FREQ_STAT > tristate "CPU frequency translation statistics" > select CPU_FREQ_TABLE > diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h > index 6e1abd2..a092fcb 100644 > --- a/include/linux/cpufreq.h > +++ b/include/linux/cpufreq.h > @@ -107,11 +107,13 @@ struct cpufreq_policy { > unsigned int policy; /* see above */ > struct cpufreq_governor *governor; /* see below */ > void *governor_data; > +#ifdef CONFIG_CPU_FREQ_HAVE_MULTIPLE_POLICIES > /* This should be set by init() of platforms having multiple > * clock-domains, i.e. supporting multiple policies. With this sysfs > * directories of governor would be created in cpu/cpu<num>/cpufreq/ > * directory */ > bool have_multiple_policies; > +#endif > > struct work_struct update; /* if update_policy() needs to be > * called, but you're in IRQ context */ > @@ -142,9 +144,11 @@ static inline bool policy_is_shared(struct > cpufreq_policy *policy) > static inline struct kobject * > get_governor_parent_kobj(struct cpufreq_policy *policy) > { > +#ifdef CONFIG_CPU_FREQ_HAVE_MULTIPLE_POLICIES > if (policy->have_multiple_policies) > return &policy->kobj; > else > +#endif > return cpufreq_global_kobject; > }
One more question before I apply it. Is there any architecture/platform that will set CONFIG_CPU_FREQ_HAVE_MULTIPLE_POLICIES and keep have_multiple_policies unset at the same time? Rafael -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/