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-rw-r--r--include/linux/cpufreq.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 6bf3f2d12c9..a22944ca052 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -93,7 +93,7 @@ struct cpufreq_policy {
cpumask_var_t cpus; /* Online CPUs only */
cpumask_var_t related_cpus; /* Online + Offline CPUs */
- unsigned int shared_type; /* ANY or ALL affected CPUs
+ unsigned int shared_type; /* ACPI: ANY or ALL affected CPUs
should set cpufreq */
unsigned int cpu; /* cpu nr of CPU managing this policy */
unsigned int last_cpu; /* cpu nr of previous CPU that managed
@@ -122,6 +122,7 @@ struct cpufreq_policy {
#define CPUFREQ_START (3)
#define CPUFREQ_UPDATE_POLICY_CPU (4)
+/* Only for ACPI */
#define CPUFREQ_SHARED_TYPE_NONE (0) /* None */
#define CPUFREQ_SHARED_TYPE_HW (1) /* HW does needed coordination */
#define CPUFREQ_SHARED_TYPE_ALL (2) /* All dependent CPUs should set freq */