Lines Matching +full:system +full:- +full:bus
1 // SPDX-License-Identifier: GPL-2.0
3 * drivers/base/power/main.c - Where the driver meets power management.
10 * and add it to the list of power-controlled devices. sysfs entries for
25 #include <linux/pm-trace.h>
94 * device_pm_sleep_init - Initialize system suspend-related device fields.
99 dev->power.is_prepared = false; in device_pm_sleep_init()
100 dev->power.is_suspended = false; in device_pm_sleep_init()
101 dev->power.is_noirq_suspended = false; in device_pm_sleep_init()
102 dev->power.is_late_suspended = false; in device_pm_sleep_init()
103 init_completion(&dev->power.completion); in device_pm_sleep_init()
104 complete_all(&dev->power.completion); in device_pm_sleep_init()
105 dev->power.wakeup = NULL; in device_pm_sleep_init()
106 INIT_LIST_HEAD(&dev->power.entry); in device_pm_sleep_init()
110 * device_pm_lock - Lock the list of active devices used by the PM core.
118 * device_pm_unlock - Unlock the list of active devices used by the PM core.
126 * device_pm_add - Add a device to the PM core's list of active devices.
136 dev->bus ? dev->bus->name : "No Bus", dev_name(dev)); in device_pm_add()
139 if (dev->parent && dev->parent->power.is_prepared) in device_pm_add()
141 dev_name(dev->parent)); in device_pm_add()
142 list_add_tail(&dev->power.entry, &dpm_list); in device_pm_add()
143 dev->power.in_dpm_list = true; in device_pm_add()
148 * device_pm_remove - Remove a device from the PM core's list of active devices.
157 dev->bus ? dev->bus->name : "No Bus", dev_name(dev)); in device_pm_remove()
158 complete_all(&dev->power.completion); in device_pm_remove()
160 list_del_init(&dev->power.entry); in device_pm_remove()
161 dev->power.in_dpm_list = false; in device_pm_remove()
169 * device_pm_move_before - Move device in the PM core's list of active devices.
176 deva->bus ? deva->bus->name : "No Bus", dev_name(deva), in device_pm_move_before()
177 devb->bus ? devb->bus->name : "No Bus", dev_name(devb)); in device_pm_move_before()
179 list_move_tail(&deva->power.entry, &devb->power.entry); in device_pm_move_before()
183 * device_pm_move_after - Move device in the PM core's list of active devices.
190 deva->bus ? deva->bus->name : "No Bus", dev_name(deva), in device_pm_move_after()
191 devb->bus ? devb->bus->name : "No Bus", dev_name(devb)); in device_pm_move_after()
193 list_move(&deva->power.entry, &devb->power.entry); in device_pm_move_after()
197 * device_pm_move_last - Move device to end of the PM core's list of devices.
203 dev->bus ? dev->bus->name : "No Bus", dev_name(dev)); in device_pm_move_last()
204 list_move_tail(&dev->power.entry, &dpm_list); in device_pm_move_last()
214 dev->parent ? dev_name(dev->parent) : "none"); in initcall_debug_start()
235 * dpm_wait - Wait for a PM operation to complete.
244 if (async || (pm_async_enabled && dev->power.async_suspend)) in dpm_wait()
245 wait_for_completion(&dev->power.completion); in dpm_wait()
273 list_for_each_entry_rcu_locked(link, &dev->links.suppliers, c_node) in dpm_wait_for_suppliers()
274 if (READ_ONCE(link->status) != DL_STATE_DORMANT) in dpm_wait_for_suppliers()
275 dpm_wait(link->supplier, async); in dpm_wait_for_suppliers()
298 parent = get_device(dev->parent); in dpm_wait_for_superior()
323 * probe, but that cannot happen during system suspend/resume. In in dpm_wait_for_consumers()
330 list_for_each_entry_rcu_locked(link, &dev->links.consumers, s_node) in dpm_wait_for_consumers()
331 if (READ_ONCE(link->status) != DL_STATE_DORMANT) in dpm_wait_for_consumers()
332 dpm_wait(link->consumer, async); in dpm_wait_for_consumers()
344 * pm_op - Return the PM operation appropriate for given PM event.
346 * @state: PM transition of the system being carried out.
353 return ops->suspend; in pm_op()
355 return ops->resume; in pm_op()
360 return ops->freeze; in pm_op()
362 return ops->poweroff; in pm_op()
365 return ops->thaw; in pm_op()
367 return ops->restore; in pm_op()
375 * pm_late_early_op - Return the PM operation appropriate for given PM event.
377 * @state: PM transition of the system being carried out.
387 return ops->suspend_late; in pm_late_early_op()
389 return ops->resume_early; in pm_late_early_op()
394 return ops->freeze_late; in pm_late_early_op()
396 return ops->poweroff_late; in pm_late_early_op()
399 return ops->thaw_early; in pm_late_early_op()
401 return ops->restore_early; in pm_late_early_op()
409 * pm_noirq_op - Return the PM operation appropriate for given PM event.
411 * @state: PM transition of the system being carried out.
421 return ops->suspend_noirq; in pm_noirq_op()
423 return ops->resume_noirq; in pm_noirq_op()
428 return ops->freeze_noirq; in pm_noirq_op()
430 return ops->poweroff_noirq; in pm_noirq_op()
433 return ops->thaw_noirq; in pm_noirq_op()
435 return ops->restore_noirq; in pm_noirq_op()
509 * dpm_watchdog_handler - Driver suspend / resume watchdog handler.
514 * capture a crash-dump in pstore.
520 dev_emerg(wd->dev, "**** DPM device timeout ****\n"); in dpm_watchdog_handler()
521 show_stack(wd->tsk, NULL, KERN_EMERG); in dpm_watchdog_handler()
523 dev_driver_string(wd->dev), dev_name(wd->dev)); in dpm_watchdog_handler()
527 * dpm_watchdog_set - Enable pm watchdog for given device.
533 struct timer_list *timer = &wd->timer; in dpm_watchdog_set()
535 wd->dev = dev; in dpm_watchdog_set()
536 wd->tsk = current; in dpm_watchdog_set()
540 timer->expires = jiffies + HZ * CONFIG_DPM_WATCHDOG_TIMEOUT; in dpm_watchdog_set()
545 * dpm_watchdog_clear - Disable suspend/resume watchdog.
550 struct timer_list *timer = &wd->timer; in dpm_watchdog_clear()
561 /*------------------------- Resume routines -------------------------*/
564 * dev_pm_skip_resume - System-wide device resume optimization check.
568 * - %false if the transition under way is RESTORE.
569 * - Return value of dev_pm_skip_suspend() if the transition under way is THAW.
570 * - The logical negation of %power.must_resume otherwise (that is, when the
581 return !dev->power.must_resume; in dev_pm_skip_resume()
585 * device_resume_noirq - Execute a "noirq resume" callback for given device.
587 * @state: PM transition of the system being carried out.
603 if (dev->power.syscore || dev->power.direct_complete) in device_resume_noirq()
606 if (!dev->power.is_noirq_suspended) in device_resume_noirq()
616 * this device later, it needs to appear as "suspended" to PM-runtime, in device_resume_noirq()
619 * Otherwise, the device is going to be resumed, so set its PM-runtime in device_resume_noirq()
628 if (dev->pm_domain) { in device_resume_noirq()
630 callback = pm_noirq_op(&dev->pm_domain->ops, state); in device_resume_noirq()
631 } else if (dev->type && dev->type->pm) { in device_resume_noirq()
633 callback = pm_noirq_op(dev->type->pm, state); in device_resume_noirq()
634 } else if (dev->class && dev->class->pm) { in device_resume_noirq()
636 callback = pm_noirq_op(dev->class->pm, state); in device_resume_noirq()
637 } else if (dev->bus && dev->bus->pm) { in device_resume_noirq()
638 info = "noirq bus "; in device_resume_noirq()
639 callback = pm_noirq_op(dev->bus->pm, state); in device_resume_noirq()
647 if (dev->driver && dev->driver->pm) { in device_resume_noirq()
649 callback = pm_noirq_op(dev->driver->pm, state); in device_resume_noirq()
656 dev->power.is_noirq_suspended = false; in device_resume_noirq()
659 complete_all(&dev->power.completion); in device_resume_noirq()
666 return dev->power.async_suspend && pm_async_enabled in is_async()
672 reinit_completion(&dev->power.completion); in dpm_async_fn()
707 * delayed by non-async resuming devices. in dpm_noirq_resume_devices()
715 list_move_tail(&dev->power.entry, &dpm_late_early_list); in dpm_noirq_resume_devices()
740 * dpm_resume_noirq - Execute "noirq resume" callbacks for all devices.
741 * @state: PM transition of the system being carried out.
757 * device_resume_early - Execute an "early resume" callback for given device.
759 * @state: PM transition of the system being carried out.
773 if (dev->power.syscore || dev->power.direct_complete) in device_resume_early()
776 if (!dev->power.is_late_suspended) in device_resume_early()
782 if (dev->pm_domain) { in device_resume_early()
784 callback = pm_late_early_op(&dev->pm_domain->ops, state); in device_resume_early()
785 } else if (dev->type && dev->type->pm) { in device_resume_early()
787 callback = pm_late_early_op(dev->type->pm, state); in device_resume_early()
788 } else if (dev->class && dev->class->pm) { in device_resume_early()
790 callback = pm_late_early_op(dev->class->pm, state); in device_resume_early()
791 } else if (dev->bus && dev->bus->pm) { in device_resume_early()
792 info = "early bus "; in device_resume_early()
793 callback = pm_late_early_op(dev->bus->pm, state); in device_resume_early()
801 if (dev->driver && dev->driver->pm) { in device_resume_early()
803 callback = pm_late_early_op(dev->driver->pm, state); in device_resume_early()
810 dev->power.is_late_suspended = false; in device_resume_early()
816 complete_all(&dev->power.completion); in device_resume_early()
833 * dpm_resume_early - Execute "early resume" callbacks for all devices.
834 * @state: PM transition of the system being carried out.
848 * delayed by non-async resuming devices. in dpm_resume_early()
856 list_move_tail(&dev->power.entry, &dpm_suspended_list); in dpm_resume_early()
880 * dpm_resume_start - Execute "noirq" and "early" device callbacks.
881 * @state: PM transition of the system being carried out.
891 * device_resume - Execute "resume" callbacks for given device.
893 * @state: PM transition of the system being carried out.
906 if (dev->power.syscore) in device_resume()
909 if (dev->power.direct_complete) { in device_resume()
925 dev->power.is_prepared = false; in device_resume()
927 if (!dev->power.is_suspended) in device_resume()
930 if (dev->pm_domain) { in device_resume()
932 callback = pm_op(&dev->pm_domain->ops, state); in device_resume()
936 if (dev->type && dev->type->pm) { in device_resume()
938 callback = pm_op(dev->type->pm, state); in device_resume()
942 if (dev->class && dev->class->pm) { in device_resume()
944 callback = pm_op(dev->class->pm, state); in device_resume()
948 if (dev->bus) { in device_resume()
949 if (dev->bus->pm) { in device_resume()
950 info = "bus "; in device_resume()
951 callback = pm_op(dev->bus->pm, state); in device_resume()
952 } else if (dev->bus->resume) { in device_resume()
953 info = "legacy bus "; in device_resume()
954 callback = dev->bus->resume; in device_resume()
960 if (!callback && dev->driver && dev->driver->pm) { in device_resume()
962 callback = pm_op(dev->driver->pm, state); in device_resume()
967 dev->power.is_suspended = false; in device_resume()
974 complete_all(&dev->power.completion); in device_resume()
993 * dpm_resume - Execute "resume" callbacks for non-sysdev devices.
994 * @state: PM transition of the system being carried out.
1032 if (!list_empty(&dev->power.entry)) in dpm_resume()
1033 list_move_tail(&dev->power.entry, &dpm_prepared_list); in dpm_resume()
1046 * device_complete - Complete a PM transition for given device.
1048 * @state: PM transition of the system being carried out.
1055 if (dev->power.syscore) in device_complete()
1060 if (dev->pm_domain) { in device_complete()
1062 callback = dev->pm_domain->ops.complete; in device_complete()
1063 } else if (dev->type && dev->type->pm) { in device_complete()
1065 callback = dev->type->pm->complete; in device_complete()
1066 } else if (dev->class && dev->class->pm) { in device_complete()
1068 callback = dev->class->pm->complete; in device_complete()
1069 } else if (dev->bus && dev->bus->pm) { in device_complete()
1070 info = "completing bus "; in device_complete()
1071 callback = dev->bus->pm->complete; in device_complete()
1074 if (!callback && dev->driver && dev->driver->pm) { in device_complete()
1076 callback = dev->driver->pm->complete; in device_complete()
1091 * dpm_complete - Complete a PM transition for all non-sysdev devices.
1092 * @state: PM transition of the system being carried out.
1094 * Execute the ->complete() callbacks for all devices whose PM status is not
1110 dev->power.is_prepared = false; in dpm_complete()
1111 list_move(&dev->power.entry, &list); in dpm_complete()
1124 /* Allow device probing and trigger re-probing of deferred devices */ in dpm_complete()
1130 * dpm_resume_end - Execute "resume" callbacks and complete system transition.
1131 * @state: PM transition of the system being carried out.
1134 * the system.
1144 /*------------------------- Suspend routines -------------------------*/
1147 * resume_event - Return a "resume" message for given "suspend" sleep state.
1172 if (dev->parent) in dpm_superior_set_must_resume()
1173 dev->parent->power.must_resume = true; in dpm_superior_set_must_resume()
1177 list_for_each_entry_rcu_locked(link, &dev->links.suppliers, c_node) in dpm_superior_set_must_resume()
1178 link->supplier->power.must_resume = true; in dpm_superior_set_must_resume()
1184 * __device_suspend_noirq - Execute a "noirq suspend" callback for given device.
1186 * @state: PM transition of the system being carried out.
1206 if (dev->power.syscore || dev->power.direct_complete) in __device_suspend_noirq()
1209 if (dev->pm_domain) { in __device_suspend_noirq()
1211 callback = pm_noirq_op(&dev->pm_domain->ops, state); in __device_suspend_noirq()
1212 } else if (dev->type && dev->type->pm) { in __device_suspend_noirq()
1214 callback = pm_noirq_op(dev->type->pm, state); in __device_suspend_noirq()
1215 } else if (dev->class && dev->class->pm) { in __device_suspend_noirq()
1217 callback = pm_noirq_op(dev->class->pm, state); in __device_suspend_noirq()
1218 } else if (dev->bus && dev->bus->pm) { in __device_suspend_noirq()
1219 info = "noirq bus "; in __device_suspend_noirq()
1220 callback = pm_noirq_op(dev->bus->pm, state); in __device_suspend_noirq()
1228 if (dev->driver && dev->driver->pm) { in __device_suspend_noirq()
1230 callback = pm_noirq_op(dev->driver->pm, state); in __device_suspend_noirq()
1241 dev->power.is_noirq_suspended = true; in __device_suspend_noirq()
1245 * system suspend (as indicated by their PM-runtime usage counters) in __device_suspend_noirq()
1249 if (atomic_read(&dev->power.usage_count) > 1 || in __device_suspend_noirq()
1251 dev->power.may_skip_resume)) in __device_suspend_noirq()
1252 dev->power.must_resume = true; in __device_suspend_noirq()
1254 if (dev->power.must_resume) in __device_suspend_noirq()
1258 complete_all(&dev->power.completion); in __device_suspend_noirq()
1310 if (!list_empty(&dev->power.entry)) in dpm_noirq_suspend_devices()
1311 list_move(&dev->power.entry, &dpm_noirq_list); in dpm_noirq_suspend_devices()
1332 * dpm_suspend_noirq - Execute "noirq suspend" callbacks for all devices.
1333 * @state: PM transition of the system being carried out.
1336 * "noirq" suspend callbacks for all non-sysdev devices.
1356 struct device *parent = dev->parent; in dpm_propagate_wakeup_to_parent()
1361 spin_lock_irq(&parent->power.lock); in dpm_propagate_wakeup_to_parent()
1363 if (dev->power.wakeup_path && !parent->power.ignore_children) in dpm_propagate_wakeup_to_parent()
1364 parent->power.wakeup_path = true; in dpm_propagate_wakeup_to_parent()
1366 spin_unlock_irq(&parent->power.lock); in dpm_propagate_wakeup_to_parent()
1370 * __device_suspend_late - Execute a "late suspend" callback for given device.
1372 * @state: PM transition of the system being carried out.
1394 async_error = -EBUSY; in __device_suspend_late()
1398 if (dev->power.syscore || dev->power.direct_complete) in __device_suspend_late()
1401 if (dev->pm_domain) { in __device_suspend_late()
1403 callback = pm_late_early_op(&dev->pm_domain->ops, state); in __device_suspend_late()
1404 } else if (dev->type && dev->type->pm) { in __device_suspend_late()
1406 callback = pm_late_early_op(dev->type->pm, state); in __device_suspend_late()
1407 } else if (dev->class && dev->class->pm) { in __device_suspend_late()
1409 callback = pm_late_early_op(dev->class->pm, state); in __device_suspend_late()
1410 } else if (dev->bus && dev->bus->pm) { in __device_suspend_late()
1411 info = "late bus "; in __device_suspend_late()
1412 callback = pm_late_early_op(dev->bus->pm, state); in __device_suspend_late()
1420 if (dev->driver && dev->driver->pm) { in __device_suspend_late()
1422 callback = pm_late_early_op(dev->driver->pm, state); in __device_suspend_late()
1434 dev->power.is_late_suspended = true; in __device_suspend_late()
1438 complete_all(&dev->power.completion); in __device_suspend_late()
1464 * dpm_suspend_late - Execute "late suspend" callbacks for all devices.
1465 * @state: PM transition of the system being carried out.
1486 if (!list_empty(&dev->power.entry)) in dpm_suspend_late()
1487 list_move(&dev->power.entry, &dpm_late_early_list); in dpm_suspend_late()
1515 * dpm_suspend_end - Execute "late" and "noirq" device suspend callbacks.
1516 * @state: PM transition of the system being carried out.
1538 * legacy_suspend - Execute a legacy (bus or class) suspend callback for device.
1540 * @state: PM transition of the system being carried out.
1568 if (dev->parent) { in dpm_clear_superiors_direct_complete()
1569 spin_lock_irq(&dev->parent->power.lock); in dpm_clear_superiors_direct_complete()
1570 dev->parent->power.direct_complete = false; in dpm_clear_superiors_direct_complete()
1571 spin_unlock_irq(&dev->parent->power.lock); in dpm_clear_superiors_direct_complete()
1576 list_for_each_entry_rcu_locked(link, &dev->links.suppliers, c_node) { in dpm_clear_superiors_direct_complete()
1577 spin_lock_irq(&link->supplier->power.lock); in dpm_clear_superiors_direct_complete()
1578 link->supplier->power.direct_complete = false; in dpm_clear_superiors_direct_complete()
1579 spin_unlock_irq(&link->supplier->power.lock); in dpm_clear_superiors_direct_complete()
1586 * __device_suspend - Execute "suspend" callbacks for given device.
1588 * @state: PM transition of the system being carried out.
1604 dev->power.direct_complete = false; in __device_suspend()
1611 * resume it before proceeding with invoking the system-wide suspend in __device_suspend()
1614 * If the system-wide suspend callbacks below change the configuration in __device_suspend()
1616 * ensure that its runtime-resume callbacks will not be confused by that in __device_suspend()
1622 dev->power.direct_complete = false; in __device_suspend()
1623 async_error = -EBUSY; in __device_suspend()
1627 if (dev->power.syscore) in __device_suspend()
1631 if (device_may_wakeup(dev) || dev->power.wakeup_path) in __device_suspend()
1632 dev->power.direct_complete = false; in __device_suspend()
1634 if (dev->power.direct_complete) { in __device_suspend()
1638 pm_dev_dbg(dev, state, "direct-complete "); in __device_suspend()
1644 dev->power.direct_complete = false; in __device_suspend()
1647 dev->power.may_skip_resume = true; in __device_suspend()
1648 dev->power.must_resume = !dev_pm_test_driver_flags(dev, DPM_FLAG_MAY_SKIP_RESUME); in __device_suspend()
1653 if (dev->pm_domain) { in __device_suspend()
1655 callback = pm_op(&dev->pm_domain->ops, state); in __device_suspend()
1659 if (dev->type && dev->type->pm) { in __device_suspend()
1661 callback = pm_op(dev->type->pm, state); in __device_suspend()
1665 if (dev->class && dev->class->pm) { in __device_suspend()
1667 callback = pm_op(dev->class->pm, state); in __device_suspend()
1671 if (dev->bus) { in __device_suspend()
1672 if (dev->bus->pm) { in __device_suspend()
1673 info = "bus "; in __device_suspend()
1674 callback = pm_op(dev->bus->pm, state); in __device_suspend()
1675 } else if (dev->bus->suspend) { in __device_suspend()
1676 pm_dev_dbg(dev, state, "legacy bus "); in __device_suspend()
1677 error = legacy_suspend(dev, state, dev->bus->suspend, in __device_suspend()
1678 "legacy bus "); in __device_suspend()
1684 if (!callback && dev->driver && dev->driver->pm) { in __device_suspend()
1686 callback = pm_op(dev->driver->pm, state); in __device_suspend()
1693 dev->power.is_suspended = true; in __device_suspend()
1695 dev->power.wakeup_path = true; in __device_suspend()
1708 complete_all(&dev->power.completion); in __device_suspend()
1736 * dpm_suspend - Execute "suspend" callbacks for all non-sysdev devices.
1737 * @state: PM transition of the system being carried out.
1768 if (!list_empty(&dev->power.entry)) in dpm_suspend()
1769 list_move(&dev->power.entry, &dpm_suspended_list); in dpm_suspend()
1788 * device_prepare - Prepare a device for system power transition.
1790 * @state: PM transition of the system being carried out.
1792 * Execute the ->prepare() callback(s) for given device. No new children of the
1808 if (dev->power.syscore) in device_prepare()
1813 dev->power.wakeup_path = false; in device_prepare()
1815 if (dev->power.no_pm_callbacks) in device_prepare()
1818 if (dev->pm_domain) in device_prepare()
1819 callback = dev->pm_domain->ops.prepare; in device_prepare()
1820 else if (dev->type && dev->type->pm) in device_prepare()
1821 callback = dev->type->pm->prepare; in device_prepare()
1822 else if (dev->class && dev->class->pm) in device_prepare()
1823 callback = dev->class->pm->prepare; in device_prepare()
1824 else if (dev->bus && dev->bus->pm) in device_prepare()
1825 callback = dev->bus->pm->prepare; in device_prepare()
1827 if (!callback && dev->driver && dev->driver->pm) in device_prepare()
1828 callback = dev->driver->pm->prepare; in device_prepare()
1842 * A positive return value from ->prepare() means "this device appears in device_prepare()
1843 * to be runtime-suspended and its state is fine, so if it really is in device_prepare()
1844 * runtime-suspended, you can leave it in that state provided that you in device_prepare()
1848 spin_lock_irq(&dev->power.lock); in device_prepare()
1849 dev->power.direct_complete = state.event == PM_EVENT_SUSPEND && in device_prepare()
1850 (ret > 0 || dev->power.no_pm_callbacks) && in device_prepare()
1852 spin_unlock_irq(&dev->power.lock); in device_prepare()
1857 * dpm_prepare - Prepare all non-sysdev devices for a system PM transition.
1858 * @state: PM transition of the system being carried out.
1860 * Execute the ->prepare() callback(s) for all devices.
1877 * hibernation and system behavior will be unpredictable in this case. in dpm_prepare()
1896 if (error == -EAGAIN) { in dpm_prepare()
1906 dev->power.is_prepared = true; in dpm_prepare()
1907 if (!list_empty(&dev->power.entry)) in dpm_prepare()
1908 list_move_tail(&dev->power.entry, &dpm_prepared_list); in dpm_prepare()
1917 * dpm_suspend_start - Prepare devices for PM transition and suspend them.
1918 * @state: PM transition of the system being carried out.
1920 * Prepare all non-sysdev devices for system PM transition and execute "suspend"
1947 * device_pm_wait_for_dev - Wait for suspend/resume of a device to complete.
1953 dpm_wait(dev, subordinate->power.async_suspend); in device_pm_wait_for_dev()
1959 * dpm_for_each_dev - device iterator.
1985 return !ops->prepare && in pm_ops_is_empty()
1986 !ops->suspend && in pm_ops_is_empty()
1987 !ops->suspend_late && in pm_ops_is_empty()
1988 !ops->suspend_noirq && in pm_ops_is_empty()
1989 !ops->resume_noirq && in pm_ops_is_empty()
1990 !ops->resume_early && in pm_ops_is_empty()
1991 !ops->resume && in pm_ops_is_empty()
1992 !ops->complete; in pm_ops_is_empty()
1997 spin_lock_irq(&dev->power.lock); in device_pm_check_callbacks()
1998 dev->power.no_pm_callbacks = in device_pm_check_callbacks()
1999 (!dev->bus || (pm_ops_is_empty(dev->bus->pm) && in device_pm_check_callbacks()
2000 !dev->bus->suspend && !dev->bus->resume)) && in device_pm_check_callbacks()
2001 (!dev->class || pm_ops_is_empty(dev->class->pm)) && in device_pm_check_callbacks()
2002 (!dev->type || pm_ops_is_empty(dev->type->pm)) && in device_pm_check_callbacks()
2003 (!dev->pm_domain || pm_ops_is_empty(&dev->pm_domain->ops)) && in device_pm_check_callbacks()
2004 (!dev->driver || (pm_ops_is_empty(dev->driver->pm) && in device_pm_check_callbacks()
2005 !dev->driver->suspend && !dev->driver->resume)); in device_pm_check_callbacks()
2006 spin_unlock_irq(&dev->power.lock); in device_pm_check_callbacks()