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-rw-r--r--include/linux/pm_qos_params.h4
-rw-r--r--kernel/pm_qos_params.c26
2 files changed, 29 insertions, 1 deletions
diff --git a/include/linux/pm_qos_params.h b/include/linux/pm_qos_params.h
index eee55bc0b667..5750527666e3 100644
--- a/include/linux/pm_qos_params.h
+++ b/include/linux/pm_qos_params.h
@@ -14,6 +14,8 @@ enum {
PM_QOS_NETWORK_LATENCY,
PM_QOS_NETWORK_THROUGHPUT,
PM_QOS_MAX_ONLINE_CPUS,
+ PM_QOS_CPU_FREQ_MIN,
+ PM_QOS_CPU_FREQ_MAX,
/* insert new class ID */
@@ -26,6 +28,8 @@ enum {
#define PM_QOS_NETWORK_LAT_DEFAULT_VALUE (2000 * USEC_PER_SEC)
#define PM_QOS_NETWORK_THROUGHPUT_DEFAULT_VALUE 0
#define PM_QOS_MAX_ONLINE_CPUS_DEFAULT_VALUE LONG_MAX
+#define PM_QOS_CPU_FREQ_MIN_DEFAULT_VALUE 0
+#define PM_QOS_CPU_FREQ_MAX_DEFAULT_VALUE LONG_MAX
struct pm_qos_request_list {
struct plist_node list;
diff --git a/kernel/pm_qos_params.c b/kernel/pm_qos_params.c
index 06e74202a8b9..f798df9b2b0d 100644
--- a/kernel/pm_qos_params.c
+++ b/kernel/pm_qos_params.c
@@ -114,12 +114,36 @@ static struct pm_qos_object max_online_cpus_pm_qos = {
};
+static BLOCKING_NOTIFIER_HEAD(cpu_freq_min_notifier);
+static struct pm_qos_object cpu_freq_min_pm_qos = {
+ .requests = PLIST_HEAD_INIT(cpu_freq_min_pm_qos.requests, pm_qos_lock),
+ .notifiers = &cpu_freq_min_notifier,
+ .name = "cpu_freq_min",
+ .target_value = PM_QOS_CPU_FREQ_MIN_DEFAULT_VALUE,
+ .default_value = PM_QOS_CPU_FREQ_MIN_DEFAULT_VALUE,
+ .type = PM_QOS_MAX,
+};
+
+
+static BLOCKING_NOTIFIER_HEAD(cpu_freq_max_notifier);
+static struct pm_qos_object cpu_freq_max_pm_qos = {
+ .requests = PLIST_HEAD_INIT(cpu_freq_max_pm_qos.requests, pm_qos_lock),
+ .notifiers = &cpu_freq_max_notifier,
+ .name = "cpu_freq_max",
+ .target_value = PM_QOS_CPU_FREQ_MAX_DEFAULT_VALUE,
+ .default_value = PM_QOS_CPU_FREQ_MAX_DEFAULT_VALUE,
+ .type = PM_QOS_MIN,
+};
+
+
static struct pm_qos_object *pm_qos_array[] = {
&null_pm_qos,
&cpu_dma_pm_qos,
&network_lat_pm_qos,
&network_throughput_pm_qos,
- &max_online_cpus_pm_qos
+ &max_online_cpus_pm_qos,
+ &cpu_freq_min_pm_qos,
+ &cpu_freq_max_pm_qos
};
static ssize_t pm_qos_power_write(struct file *filp, const char __user *buf,