PM: QoS: Make CPU latency QoS depend on CONFIG_CPU_IDLE

Because cpuidle is the only user of the effective constraint coming from the CPU latency QoS, add #ifdef CONFIG_CPU_IDLE around that code to avoid building it unnecessarily.

Rafael J. Wysocki committed 6 years ago

Commit 814d51f1 parent b8e6e272 files · +15 −0Browse files

Showing the changes to include/linux (1 of 2 files). Show all

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include/linux/pm_qos.h+13−0

@@ -143,11 +143,24 @@ bool pm_qos_update_flags(struct pm_qos_flags *pqf, · 142 unmodified lines
143	struct pm_qos_flags_request *req,	143	struct pm_qos_flags_request *req,
144	enum pm_qos_req_action action, s32 val);	144	enum pm_qos_req_action action, s32 val);
145		145
		146	#ifdef CONFIG_CPU_IDLE
146	s32 cpu_latency_qos_limit(void);	147	s32 cpu_latency_qos_limit(void);
147	bool cpu_latency_qos_request_active(struct pm_qos_request *req);	148	bool cpu_latency_qos_request_active(struct pm_qos_request *req);
148	void cpu_latency_qos_add_request(struct pm_qos_request *req, s32 value);	149	void cpu_latency_qos_add_request(struct pm_qos_request *req, s32 value);
149	void cpu_latency_qos_update_request(struct pm_qos_request *req, s32 new_value);	150	void cpu_latency_qos_update_request(struct pm_qos_request *req, s32 new_value);
150	void cpu_latency_qos_remove_request(struct pm_qos_request *req);	151	void cpu_latency_qos_remove_request(struct pm_qos_request *req);
		152	#else
		153	static inline s32 cpu_latency_qos_limit(void) { return INT_MAX; }
		154	static inline bool cpu_latency_qos_request_active(struct pm_qos_request *req)
		155	{
		156	return false;
		157	}
		158	static inline void cpu_latency_qos_add_request(struct pm_qos_request *req,
		159	s32 value) {}
		160	static inline void cpu_latency_qos_update_request(struct pm_qos_request *req,
		161	s32 new_value) {}
		162	static inline void cpu_latency_qos_remove_request(struct pm_qos_request *req) {}
		163	#endif
151		164
152	#ifdef CONFIG_PM	165	#ifdef CONFIG_PM
153	enum pm_qos_flags_status __dev_pm_qos_flags(struct device *dev, s32 mask);	166	enum pm_qos_flags_status __dev_pm_qos_flags(struct device *dev, s32 mask);