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b2df1d4f8b
Change the behavior of the newly introduced /sys/power/pm_print_times attribute so that its initial value depends on initcall_debug, but setting it to 0 will cause device suspend/resume times not to be printed, even if initcall_debug has been set. This way, the people who use initcall_debug for reasons other than PM debugging will be able to switch the suspend/resume times printing off, if need be. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
#include <linux/pm_qos.h>
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#ifdef CONFIG_PM_RUNTIME
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extern void pm_runtime_init(struct device *dev);
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extern void pm_runtime_remove(struct device *dev);
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#else /* !CONFIG_PM_RUNTIME */
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static inline void pm_runtime_init(struct device *dev) {}
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static inline void pm_runtime_remove(struct device *dev) {}
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#endif /* !CONFIG_PM_RUNTIME */
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#ifdef CONFIG_PM_SLEEP
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/* kernel/power/main.c */
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extern int pm_async_enabled;
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/* drivers/base/power/main.c */
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extern struct list_head dpm_list; /* The active device list */
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static inline struct device *to_device(struct list_head *entry)
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{
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return container_of(entry, struct device, power.entry);
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}
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extern void device_pm_init(struct device *dev);
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extern void device_pm_add(struct device *);
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extern void device_pm_remove(struct device *);
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extern void device_pm_move_before(struct device *, struct device *);
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extern void device_pm_move_after(struct device *, struct device *);
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extern void device_pm_move_last(struct device *);
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#else /* !CONFIG_PM_SLEEP */
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static inline void device_pm_init(struct device *dev)
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{
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spin_lock_init(&dev->power.lock);
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dev->power.power_state = PMSG_INVALID;
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pm_runtime_init(dev);
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}
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static inline void device_pm_add(struct device *dev)
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{
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dev_pm_qos_constraints_init(dev);
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}
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static inline void device_pm_remove(struct device *dev)
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{
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dev_pm_qos_constraints_destroy(dev);
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pm_runtime_remove(dev);
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}
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static inline void device_pm_move_before(struct device *deva,
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struct device *devb) {}
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static inline void device_pm_move_after(struct device *deva,
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struct device *devb) {}
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static inline void device_pm_move_last(struct device *dev) {}
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#endif /* !CONFIG_PM_SLEEP */
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#ifdef CONFIG_PM
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/*
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* sysfs.c
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*/
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extern int dpm_sysfs_add(struct device *dev);
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extern void dpm_sysfs_remove(struct device *dev);
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extern void rpm_sysfs_remove(struct device *dev);
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extern int wakeup_sysfs_add(struct device *dev);
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extern void wakeup_sysfs_remove(struct device *dev);
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extern int pm_qos_sysfs_add(struct device *dev);
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extern void pm_qos_sysfs_remove(struct device *dev);
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#else /* CONFIG_PM */
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static inline int dpm_sysfs_add(struct device *dev) { return 0; }
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static inline void dpm_sysfs_remove(struct device *dev) {}
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static inline void rpm_sysfs_remove(struct device *dev) {}
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static inline int wakeup_sysfs_add(struct device *dev) { return 0; }
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static inline void wakeup_sysfs_remove(struct device *dev) {}
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static inline int pm_qos_sysfs_add(struct device *dev) { return 0; }
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static inline void pm_qos_sysfs_remove(struct device *dev) {}
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#endif
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