forked from luck/tmp_suning_uos_patched
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. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org> Tested-by: Amit Kucheria <amit.kucheria@linaro.org>
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@ -143,11 +143,24 @@ bool pm_qos_update_flags(struct pm_qos_flags *pqf,
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struct pm_qos_flags_request *req,
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enum pm_qos_req_action action, s32 val);
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#ifdef CONFIG_CPU_IDLE
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s32 cpu_latency_qos_limit(void);
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bool cpu_latency_qos_request_active(struct pm_qos_request *req);
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void cpu_latency_qos_add_request(struct pm_qos_request *req, s32 value);
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void cpu_latency_qos_update_request(struct pm_qos_request *req, s32 new_value);
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void cpu_latency_qos_remove_request(struct pm_qos_request *req);
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#else
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static inline s32 cpu_latency_qos_limit(void) { return INT_MAX; }
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static inline bool cpu_latency_qos_request_active(struct pm_qos_request *req)
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{
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return false;
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}
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static inline void cpu_latency_qos_add_request(struct pm_qos_request *req,
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s32 value) {}
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static inline void cpu_latency_qos_update_request(struct pm_qos_request *req,
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s32 new_value) {}
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static inline void cpu_latency_qos_remove_request(struct pm_qos_request *req) {}
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#endif
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#ifdef CONFIG_PM
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enum pm_qos_flags_status __dev_pm_qos_flags(struct device *dev, s32 mask);
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@ -209,6 +209,7 @@ bool pm_qos_update_flags(struct pm_qos_flags *pqf,
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return prev_value != curr_value;
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}
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#ifdef CONFIG_CPU_IDLE
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/* Definitions related to the CPU latency QoS. */
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static struct pm_qos_constraints cpu_latency_constraints = {
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@ -421,6 +422,7 @@ static int __init cpu_latency_qos_init(void)
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return ret;
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}
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late_initcall(cpu_latency_qos_init);
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#endif /* CONFIG_CPU_IDLE */
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/* Definitions related to the frequency QoS below. */
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