2  * drivers/base/power/domain.c - Common code related to device power domains.
110 	 * Wait for the domain to transition into either the active,  in genpd_acquire_lock()
140  * __pm_genpd_poweron - Restore power to a given PM domain and its masters.
141  * @genpd: PM domain to power up.
153 	/* If the domain's master is being waited for, we have to wait too. */  in __pm_genpd_poweron()
233  * pm_genpd_poweron - Restore power to a given PM domain and its masters.
234  * @genpd: PM domain to power up.
252  * @pdd: Domain data of the device to save the state of.
253  * @genpd: PM domain the device belongs to.
282  * @pdd: Domain data of the device to restore the state of.
283  * @genpd: PM domain the device belongs to.
307  * genpd_abort_poweroff - Check if a PM domain power off should be aborted.
308  * @genpd: PM domain to check.
310  * Return true if a PM domain's status changed to GPD_STATE_ACTIVE during
335  * pm_genpd_poweroff - Remove power from a given PM domain.
336  * @genpd: PM domain to power down.
352 	 * Do not try to power off the domain in the following situations:  in pm_genpd_poweroff()
353 	 * (1) The domain is already in the "power off" state.  in pm_genpd_poweroff()
354 	 * (2) The domain is waiting for its master to power up.  in pm_genpd_poweroff()
355 	 * (3) One of the domain's devices is being resumed right now.  in pm_genpd_poweroff()
385 		if (!genpd->gov->power_down_ok(&genpd->domain))  in pm_genpd_poweroff()
448 	/* Update PM QoS information for devices in the domain. */  in pm_genpd_poweroff()
470  * genpd_power_off_work_fn - Power off PM domain whose subdomain count is 0.
485  * pm_genpd_runtime_suspend - Suspend a device belonging to I/O PM domain.
489  * pm_domain field points to the domain member of an object of type
490  * struct generic_pm_domain representing a PM domain consisting of I/O devices.
534  * pm_genpd_runtime_resume - Resume a device belonging to I/O PM domain.
538  * pm_domain field points to the domain member of an object of type
539  * struct generic_pm_domain representing a PM domain consisting of I/O devices.
555 	/* If power.irq_safe, the PM domain is never powered off. */  in pm_genpd_runtime_resume()
669  * pm_genpd_sync_poweroff - Synchronously power off a PM domain and its masters.
670  * @genpd: PM domain to power off, if possible.
672  * Check if the given PM domain can be powered off (during system suspend or
704  * @genpd: PM domain the device belongs to.
729  * pm_genpd_prepare - Start power transition of a device in a PM domain.
733  * under the assumption that its pm_domain field points to the domain member of
734  * an object of type struct generic_pm_domain representing a PM domain
778 	 * The PM domain must be in the GPD_STATE_ACTIVE state at this point,  in pm_genpd_prepare()
802  * pm_genpd_suspend - Suspend a device belonging to an I/O PM domain.
806  * domain member of an object of type struct generic_pm_domain representing
807  * a PM domain consisting of I/O devices.
823  * pm_genpd_suspend_noirq - Late suspend of a device from an I/O PM domain.
827  * pm_domain field points to the domain member of an object of type
828  * struct generic_pm_domain representing a PM domain consisting of I/O devices.
856 	 * the same PM domain, so it is not necessary to use locking here.  in pm_genpd_suspend_noirq()
865  * pm_genpd_resume_noirq - Early resume of a device from an I/O power domain.
869  * pm_domain field points to the domain member of an object of type
870  * struct generic_pm_domain representing a power domain consisting of I/O
889 	 * the same PM domain, so it is not necessary to use locking here.  in pm_genpd_resume_noirq()
899  * pm_genpd_resume - Resume a device belonging to an I/O power domain.
903  * domain member of an object of type struct generic_pm_domain representing
904  * a power domain consisting of I/O devices.
920  * pm_genpd_freeze - Freeze a device belonging to an I/O power domain.
924  * domain member of an object of type struct generic_pm_domain representing
925  * a power domain consisting of I/O devices.
941  * pm_genpd_freeze_noirq - Late freeze of a device from an I/O power domain.
945  * pm_domain field points to the domain member of an object of type
946  * struct generic_pm_domain representing a power domain consisting of I/O
973  * pm_genpd_thaw_noirq - Early thaw of a device from an I/O power domain.
977  * pm_domain field points to the domain member of an object of type
978  * struct generic_pm_domain representing a power domain consisting of I/O
1000  * pm_genpd_thaw - Thaw a device belonging to an I/O power domain.
1004  * domain member of an object of type struct generic_pm_domain representing
1005  * a power domain consisting of I/O devices.
1021  * pm_genpd_restore_noirq - Early restore of a device from an I/O power domain.
1025  * pm_domain field points to the domain member of an object of type
1026  * struct generic_pm_domain representing a power domain consisting of I/O
1042 	 * the same PM domain, so it is not necessary to use locking here.  in pm_genpd_restore_noirq()
1047 		 * The boot kernel might put the domain into the power on state,  in pm_genpd_restore_noirq()
1063  * pm_genpd_complete - Complete power transition of a device in a power domain.
1068  * domain member of an object of type struct generic_pm_domain representing
1069  * a power domain consisting of I/O devices.
1115  * __pm_genpd_add_device - Add a device to an I/O PM domain.
1116  * @genpd: PM domain to add the device to.
1158 	dev->pm_domain = &genpd->domain;  in __pm_genpd_add_device()
1174  * pm_genpd_remove_device - Remove a device from an I/O PM domain.
1175  * @genpd: PM domain to remove the device from.
1219  * pm_genpd_add_subdomain - Add a subdomain to an I/O PM domain.
1220  * @genpd: Master PM domain to add the subdomain to.
1276  * pm_genpd_remove_subdomain - Remove a subdomain from an I/O PM domain.
1277  * @genpd: Master PM domain to remove the subdomain from.
1323  * pm_genpd_add_callbacks - Add PM domain callbacks to a given device.
1359  * __pm_genpd_remove_callbacks - Remove PM domain callbacks from a given device.
1536  * pm_genpd_init - Initialize a generic I/O PM domain object.
1537  * @genpd: PM domain object to initialize.
1538  * @gov: PM domain governor to associate with the domain (may be NULL).
1539  * @is_off: Initial value of the domain's power_is_off field.
1562 	genpd->domain.ops.runtime_suspend = pm_genpd_runtime_suspend;  in pm_genpd_init()
1563 	genpd->domain.ops.runtime_resume = pm_genpd_runtime_resume;  in pm_genpd_init()
1564 	genpd->domain.ops.runtime_idle = pm_generic_runtime_idle;  in pm_genpd_init()
1565 	genpd->domain.ops.prepare = pm_genpd_prepare;  in pm_genpd_init()
1566 	genpd->domain.ops.suspend = pm_genpd_suspend;  in pm_genpd_init()
1567 	genpd->domain.ops.suspend_noirq = pm_genpd_suspend_noirq;  in pm_genpd_init()
1568 	genpd->domain.ops.resume_noirq = pm_genpd_resume_noirq;  in pm_genpd_init()
1569 	genpd->domain.ops.resume = pm_genpd_resume;  in pm_genpd_init()
1570 	genpd->domain.ops.freeze = pm_genpd_freeze;  in pm_genpd_init()
1571 	genpd->domain.ops.freeze_noirq = pm_genpd_freeze_noirq;  in pm_genpd_init()
1572 	genpd->domain.ops.thaw_noirq = pm_genpd_thaw_noirq;  in pm_genpd_init()
1573 	genpd->domain.ops.thaw = pm_genpd_thaw;  in pm_genpd_init()
1574 	genpd->domain.ops.poweroff = pm_genpd_suspend;  in pm_genpd_init()
1575 	genpd->domain.ops.poweroff_noirq = pm_genpd_suspend_noirq;  in pm_genpd_init()
1576 	genpd->domain.ops.restore_noirq = pm_genpd_restore_noirq;  in pm_genpd_init()
1577 	genpd->domain.ops.restore = pm_genpd_resume;  in pm_genpd_init()
1578 	genpd->domain.ops.complete = pm_genpd_complete;  in pm_genpd_init()