diff options
| -rw-r--r-- | include/linux/pm_qos.h | 13 | ||||
| -rw-r--r-- | kernel/power/qos.c | 2 |
2 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/pm_qos.h b/include/linux/pm_qos.h index df065db3f57a..4a69d4af3ff8 100644 --- a/include/linux/pm_qos.h +++ b/include/linux/pm_qos.h @@ -143,11 +143,24 @@ bool pm_qos_update_flags(struct pm_qos_flags *pqf, struct pm_qos_flags_request *req, enum pm_qos_req_action action, s32 val); +#ifdef CONFIG_CPU_IDLE s32 cpu_latency_qos_limit(void); bool cpu_latency_qos_request_active(struct pm_qos_request *req); void cpu_latency_qos_add_request(struct pm_qos_request *req, s32 value); void cpu_latency_qos_update_request(struct pm_qos_request *req, s32 new_value); void cpu_latency_qos_remove_request(struct pm_qos_request *req); +#else +static inline s32 cpu_latency_qos_limit(void) { return INT_MAX; } +static inline bool cpu_latency_qos_request_active(struct pm_qos_request *req) +{ + return false; +} +static inline void cpu_latency_qos_add_request(struct pm_qos_request *req, + s32 value) {} +static inline void cpu_latency_qos_update_request(struct pm_qos_request *req, + s32 new_value) {} +static inline void cpu_latency_qos_remove_request(struct pm_qos_request *req) {} +#endif #ifdef CONFIG_PM enum pm_qos_flags_status __dev_pm_qos_flags(struct device *dev, s32 mask); diff --git a/kernel/power/qos.c b/kernel/power/qos.c index ef73573db43d..32927682bcc4 100644 --- a/kernel/power/qos.c +++ b/kernel/power/qos.c @@ -209,6 +209,7 @@ bool pm_qos_update_flags(struct pm_qos_flags *pqf, return prev_value != curr_value; } +#ifdef CONFIG_CPU_IDLE /* Definitions related to the CPU latency QoS. */ static struct pm_qos_constraints cpu_latency_constraints = { @@ -421,6 +422,7 @@ static int __init cpu_latency_qos_init(void) return ret; } late_initcall(cpu_latency_qos_init); +#endif /* CONFIG_CPU_IDLE */ /* Definitions related to the frequency QoS below. */ |