diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/cpufreq.h | 2 | ||||
| -rw-r--r-- | include/linux/pm.h | 34 | ||||
| -rw-r--r-- | include/linux/pm_runtime.h | 4 | ||||
| -rw-r--r-- | include/linux/suspend.h | 6 |
4 files changed, 19 insertions, 27 deletions
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index f7240251a949..67d5950bd878 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -330,7 +330,7 @@ struct cpufreq_driver { * * get_intermediate should return a stable intermediate frequency * platform wants to switch to and target_intermediate() should set CPU - * to to that frequency, before jumping to the frequency corresponding + * to that frequency, before jumping to the frequency corresponding * to 'index'. Core will take care of sending notifications and driver * doesn't have to handle them in target_intermediate() or * target_index(). diff --git a/include/linux/pm.h b/include/linux/pm.h index e057d1fa2469..121c104a4090 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -544,31 +544,17 @@ struct pm_subsys_data { * These flags can be set by device drivers at the probe time. They need not be * cleared by the drivers as the driver core will take care of that. * - * NEVER_SKIP: Do not skip all system suspend/resume callbacks for the device. - * SMART_PREPARE: Check the return value of the driver's ->prepare callback. - * SMART_SUSPEND: No need to resume the device from runtime suspend. - * LEAVE_SUSPENDED: Avoid resuming the device during system resume if possible. - * - * Setting SMART_PREPARE instructs bus types and PM domains which may want - * system suspend/resume callbacks to be skipped for the device to return 0 from - * their ->prepare callbacks if the driver's ->prepare callback returns 0 (in - * other words, the system suspend/resume callbacks can only be skipped for the - * device if its driver doesn't object against that). This flag has no effect - * if NEVER_SKIP is set. - * - * Setting SMART_SUSPEND instructs bus types and PM domains which may want to - * runtime resume the device upfront during system suspend that doing so is not - * necessary from the driver's perspective. It also may cause them to skip - * invocations of the ->suspend_late and ->suspend_noirq callbacks provided by - * the driver if they decide to leave the device in runtime suspend. - * - * Setting LEAVE_SUSPENDED informs the PM core and middle-layer code that the - * driver prefers the device to be left in suspend after system resume. + * NO_DIRECT_COMPLETE: Do not apply direct-complete optimization to the device. + * SMART_PREPARE: Take the driver ->prepare callback return value into account. + * SMART_SUSPEND: Avoid resuming the device from runtime suspend. + * MAY_SKIP_RESUME: Allow driver "noirq" and "early" callbacks to be skipped. + * + * See Documentation/driver-api/pm/devices.rst for details. */ -#define DPM_FLAG_NEVER_SKIP BIT(0) +#define DPM_FLAG_NO_DIRECT_COMPLETE BIT(0) #define DPM_FLAG_SMART_PREPARE BIT(1) #define DPM_FLAG_SMART_SUSPEND BIT(2) -#define DPM_FLAG_LEAVE_SUSPENDED BIT(3) +#define DPM_FLAG_MAY_SKIP_RESUME BIT(3) struct dev_pm_info { pm_message_t power_state; @@ -758,8 +744,8 @@ extern int pm_generic_poweroff_late(struct device *dev); extern int pm_generic_poweroff(struct device *dev); extern void pm_generic_complete(struct device *dev); -extern bool dev_pm_may_skip_resume(struct device *dev); -extern bool dev_pm_smart_suspend_and_suspended(struct device *dev); +extern bool dev_pm_skip_resume(struct device *dev); +extern bool dev_pm_skip_suspend(struct device *dev); #else /* !CONFIG_PM_SLEEP */ diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h index 3bdcbce8141a..3dbc207bff53 100644 --- a/include/linux/pm_runtime.h +++ b/include/linux/pm_runtime.h @@ -102,9 +102,9 @@ static inline bool pm_runtime_enabled(struct device *dev) return !dev->power.disable_depth; } -static inline bool pm_runtime_callbacks_present(struct device *dev) +static inline bool pm_runtime_has_no_callbacks(struct device *dev) { - return !dev->power.no_callbacks; + return dev->power.no_callbacks; } static inline void pm_runtime_mark_last_busy(struct device *dev) diff --git a/include/linux/suspend.h b/include/linux/suspend.h index 4fcc6fd0cbd6..b960098acfb0 100644 --- a/include/linux/suspend.h +++ b/include/linux/suspend.h @@ -466,6 +466,12 @@ static inline bool system_entering_hibernation(void) { return false; } static inline bool hibernation_available(void) { return false; } #endif /* CONFIG_HIBERNATION */ +#ifdef CONFIG_HIBERNATION_SNAPSHOT_DEV +int is_hibernate_resume_dev(const struct inode *); +#else +static inline int is_hibernate_resume_dev(const struct inode *i) { return 0; } +#endif + /* Hibernation and suspend events */ #define PM_HIBERNATION_PREPARE 0x0001 /* Going to hibernate */ #define PM_POST_HIBERNATION 0x0002 /* Hibernation finished */ |