Lines Matching +full:up +full:- +full:counter

1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * pm_runtime.h - Device run-time power management helper functions.
63 * pm_runtime_get_if_in_use - Conditionally bump up runtime PM usage counter.
66 * Increment the runtime PM usage counter of @dev if its runtime PM status is
67 * %RPM_ACTIVE and its runtime PM usage counter is greater than 0.
75 * pm_suspend_ignore_children - Set runtime PM behavior regarding children.
85 dev->power.ignore_children = enable; in pm_suspend_ignore_children()
89 * pm_runtime_get_noresume - Bump up runtime PM usage counter of a device.
94 atomic_inc(&dev->power.usage_count); in pm_runtime_get_noresume()
98 * pm_runtime_put_noidle - Drop runtime PM usage counter of a device.
101 * Decrement the runtime PM usage counter of @dev unless it is 0 already.
105 atomic_add_unless(&dev->power.usage_count, -1, 0); in pm_runtime_put_noidle()
109 * pm_runtime_suspended - Check whether or not a device is runtime-suspended.
122 return dev->power.runtime_status == RPM_SUSPENDED in pm_runtime_suspended()
123 && !dev->power.disable_depth; in pm_runtime_suspended()
127 * pm_runtime_active - Check whether or not a device is runtime-active.
140 return dev->power.runtime_status == RPM_ACTIVE in pm_runtime_active()
141 || dev->power.disable_depth; in pm_runtime_active()
145 * pm_runtime_status_suspended - Check if runtime PM status is "suspended".
157 return dev->power.runtime_status == RPM_SUSPENDED; in pm_runtime_status_suspended()
161 * pm_runtime_enabled - Check if runtime PM is enabled.
172 return !dev->power.disable_depth; in pm_runtime_enabled()
176 * pm_runtime_has_no_callbacks - Check if runtime PM callbacks may be present.
184 return dev->power.no_callbacks; in pm_runtime_has_no_callbacks()
188 * pm_runtime_mark_last_busy - Update the last access time of a device.
196 WRITE_ONCE(dev->power.last_busy, ktime_get_mono_fast_ns()); in pm_runtime_mark_last_busy()
200 * pm_runtime_is_irq_safe - Check if runtime PM can work in interrupt context.
203 * Return %true if @dev has been marked as an "IRQ-safe" device (with respect
209 return dev->power.irq_safe; in pm_runtime_is_irq_safe()
225 return -ENOSYS; in __pm_runtime_idle()
229 return -ENOSYS; in __pm_runtime_suspend()
237 return -ENOSYS; in pm_schedule_suspend()
241 return -EINVAL; in pm_runtime_get_if_in_use()
246 return -EINVAL; in pm_runtime_get_if_active()
286 * pm_runtime_idle - Conditionally set up autosuspend of a device or suspend it.
290 * set up autosuspend of @dev or suspend it (depending on whether or not
299 * pm_runtime_suspend - Suspend a device synchronously.
308 * pm_runtime_autosuspend - Set up autosuspend of a device or suspend it.
311 * Set up autosuspend of @dev or suspend it (depending on whether or not
320 * pm_runtime_resume - Resume a device synchronously.
329 * pm_request_idle - Queue up "idle check" execution for a device.
332 * Queue up a work item to run an equivalent of pm_runtime_idle() for @dev
341 * pm_request_resume - Queue up runtime-resume of a device.
350 * pm_request_autosuspend - Queue up autosuspend of a device.
353 * Queue up a work item to run an equivalent pm_runtime_autosuspend() for @dev
362 * pm_runtime_get - Bump up usage counter and queue up resume of a device.
365 * Bump up the runtime PM usage counter of @dev and queue up a work item to
366 * carry out runtime-resume of it.
374 * pm_runtime_get_sync - Bump up usage counter of a device and resume it.
377 * Bump up the runtime PM usage counter of @dev and carry out runtime-resume of
381 * pm_runtime_resume() and the runtime PM usage counter of @dev remains
390 * pm_runtime_resume_and_get - Bump up usage counter of a device and resume it.
394 * PM usage counter. Return 0 if the runtime PM usage counter of @dev has been
411 * pm_runtime_put - Drop device usage counter and queue up "idle check" if 0.
414 * Decrement the runtime PM usage counter of @dev and if it turns out to be
415 * equal to 0, queue up a work item for @dev like in pm_request_idle().
423 * pm_runtime_put_autosuspend - Drop device usage counter and queue autosuspend if 0.
426 * Decrement the runtime PM usage counter of @dev and if it turns out to be
427 * equal to 0, queue up a work item for @dev like in pm_request_autosuspend().
436 * pm_runtime_put_sync - Drop device usage counter and run "idle check" if 0.
439 * Decrement the runtime PM usage counter of @dev and if it turns out to be
441 * return value, set up autosuspend of @dev or suspend it (depending on whether
445 * pm_runtime_idle() and the runtime PM usage counter of @dev remains
454 * pm_runtime_put_sync_suspend - Drop device usage counter and suspend if 0.
457 * Decrement the runtime PM usage counter of @dev and if it turns out to be
458 * equal to 0, carry out runtime-suspend of @dev synchronously.
461 * pm_runtime_suspend() and the runtime PM usage counter of @dev remains
470 * pm_runtime_put_sync_autosuspend - Drop device usage counter and autosuspend if 0.
473 * Decrement the runtime PM usage counter of @dev and if it turns out to be
474 * equal to 0, set up autosuspend of @dev or suspend it synchronously (depending
478 * pm_runtime_autosuspend() and the runtime PM usage counter of @dev remains
487 * pm_runtime_set_active - Set runtime PM status to "active".
501 * pm_runtime_set_suspended - Set runtime PM status to "suspended".
515 * pm_runtime_disable - Disable runtime PM for a device.
519 * "blocking" counter).
530 * pm_runtime_use_autosuspend - Allow autosuspend to be used for a device.
534 * requested (or "autosuspend" will be handled as direct runtime-suspend for
543 * pm_runtime_dont_use_autosuspend - Prevent autosuspend from being used.
547 * means that "autosuspend" will be handled as direct runtime-suspend for it