add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/cpuidle/cpuidle.h
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@@ -7,7 +7,9 @@
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 #define __DRIVER_CPUIDLE_H
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 /* For internal use only */
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+extern char param_governor[];
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 extern struct cpuidle_governor *cpuidle_curr_governor;
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+extern struct cpuidle_governor *cpuidle_prev_governor;
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 extern struct list_head cpuidle_governors;
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 extern struct list_head cpuidle_detected_devices;
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 extern struct mutex cpuidle_lock;
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@@ -21,6 +23,7 @@
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 extern void cpuidle_uninstall_idle_handler(void);
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 /* governors */
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+extern struct cpuidle_governor *cpuidle_find_governor(const char *str);
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 extern int cpuidle_switch_governor(struct cpuidle_governor *gov);
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 /* sysfs */