cpuidle: menu: Avoid taking spinlock for accessing QoS values

[karo-tx-linux.git] / include / linux / pm_qos.h

diff --git a/include/linux/pm_qos.h b/include/linux/pm_qos.h
index 0f65d36c2a75153c4f0c1b47f2ff351ca5365239..5aba9f47899d2bd820dcf75a8ede1e73b307b429 100644 (file)
--- a/include/linux/pm_qos.h
+++ b/include/linux/pm_qos.h
@@ -173,6 +173,12 @@ static inline s32 dev_pm_qos_requested_flags(struct device *dev)
 {
        return dev->power.qos->flags_req->data.flr.flags;
 }
+
+static inline s32 dev_pm_qos_raw_read_value(struct device *dev)
+{
+       return IS_ERR_OR_NULL(dev->power.qos) ?
+               0 : pm_qos_read_value(&dev->power.qos->resume_latency);
+}
 #else
 static inline enum pm_qos_flags_status __dev_pm_qos_flags(struct device *dev,
                                                          s32 mask)
@@ -237,6 +243,7 @@ static inline void dev_pm_qos_hide_latency_tolerance(struct device *dev) {}
 
 static inline s32 dev_pm_qos_requested_resume_latency(struct device *dev) { return 0; }
 static inline s32 dev_pm_qos_requested_flags(struct device *dev) { return 0; }
+static inline s32 dev_pm_qos_raw_read_value(struct device *dev) { return 0; }
 #endif
 
 #endif