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 <bp@xxxxxxxxx>
Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
---
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;
}
--
1.7.12.rc2.18.g61b472e
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