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62027aea23
useful for disabling cpuidle to fall back to architecture-default idle loop cpuidle drivers and governors will fail to register. on x86 they'll say so: intel_idle: intel_idle yielding to (null) ACPI: acpi_idle yielding to (null) Signed-off-by: Len Brown <len.brown@intel.com>
33 lines
1 KiB
C
33 lines
1 KiB
C
/*
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* cpuidle.h - The internal header file
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*/
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#ifndef __DRIVER_CPUIDLE_H
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#define __DRIVER_CPUIDLE_H
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#include <linux/sysdev.h>
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/* For internal use only */
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extern struct cpuidle_governor *cpuidle_curr_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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extern spinlock_t cpuidle_driver_lock;
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extern int cpuidle_disabled(void);
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/* idle loop */
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extern void cpuidle_install_idle_handler(void);
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extern void cpuidle_uninstall_idle_handler(void);
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/* governors */
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extern int cpuidle_switch_governor(struct cpuidle_governor *gov);
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/* sysfs */
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extern int cpuidle_add_class_sysfs(struct sysdev_class *cls);
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extern void cpuidle_remove_class_sysfs(struct sysdev_class *cls);
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extern int cpuidle_add_state_sysfs(struct cpuidle_device *device);
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extern void cpuidle_remove_state_sysfs(struct cpuidle_device *device);
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extern int cpuidle_add_sysfs(struct sys_device *sysdev);
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extern void cpuidle_remove_sysfs(struct sys_device *sysdev);
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#endif /* __DRIVER_CPUIDLE_H */
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