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.
100 * pm_suspend_ignore_children - Set runtime PM behavior regarding children.
110 dev->power.ignore_children = enable; in pm_suspend_ignore_children()
114 * pm_runtime_get_noresume - Bump up runtime PM usage counter of a device.
119 atomic_inc(&dev->power.usage_count); in pm_runtime_get_noresume()
123 * pm_runtime_put_noidle - Drop runtime PM usage counter of a device.
126 * Decrement the runtime PM usage counter of @dev unless it is 0 already.
130 atomic_add_unless(&dev->power.usage_count, -1, 0); in pm_runtime_put_noidle()
134 * pm_runtime_suspended - Check whether or not a device is runtime-suspended.
147 return dev->power.runtime_status == RPM_SUSPENDED in pm_runtime_suspended()
148 && !dev->power.disable_depth; in pm_runtime_suspended()
152 * pm_runtime_active - Check whether or not a device is runtime-active.
165 return dev->power.runtime_status == RPM_ACTIVE in pm_runtime_active()
166 || dev->power.disable_depth; in pm_runtime_active()
170 * pm_runtime_status_suspended - Check if runtime PM status is "suspended".
182 return dev->power.runtime_status == RPM_SUSPENDED; in pm_runtime_status_suspended()
186 * pm_runtime_enabled - Check if runtime PM is enabled.
197 return !dev->power.disable_depth; in pm_runtime_enabled()
201 * pm_runtime_has_no_callbacks - Check if runtime PM callbacks may be present.
209 return dev->power.no_callbacks; in pm_runtime_has_no_callbacks()
213 * pm_runtime_mark_last_busy - Update the last access time of a device.
221 WRITE_ONCE(dev->power.last_busy, ktime_get_mono_fast_ns()); in pm_runtime_mark_last_busy()
225 * pm_runtime_is_irq_safe - Check if runtime PM can work in interrupt context.
228 * Return %true if @dev has been marked as an "IRQ-safe" device (with respect
234 return dev->power.irq_safe; in pm_runtime_is_irq_safe()
251 return -ENOSYS; in __pm_runtime_idle()
255 return -ENOSYS; in __pm_runtime_suspend()
263 return -ENOSYS; in pm_schedule_suspend()
267 return -EINVAL; in pm_runtime_get_if_in_use()
271 return -EINVAL; in pm_runtime_get_if_active()
314 * pm_runtime_idle - Conditionally set up autosuspend of a device or suspend it.
318 * set up autosuspend of @dev or suspend it (depending on whether or not
327 * pm_runtime_suspend - Suspend a device synchronously.
336 * pm_runtime_autosuspend - Set up autosuspend of a device or suspend it.
339 * Set up autosuspend of @dev or suspend it (depending on whether or not
348 * pm_runtime_resume - Resume a device synchronously.
357 * pm_request_idle - Queue up "idle check" execution for a device.
360 * Queue up a work item to run an equivalent of pm_runtime_idle() for @dev
369 * pm_request_resume - Queue up runtime-resume of a device.
378 * pm_request_autosuspend - Queue up autosuspend of a device.
381 * Queue up a work item to run an equivalent pm_runtime_autosuspend() for @dev
390 * pm_runtime_get - Bump up usage counter and queue up resume of a device.
393 * Bump up the runtime PM usage counter of @dev and queue up a work item to
394 * carry out runtime-resume of it.
402 * pm_runtime_get_sync - Bump up usage counter of a device and resume it.
405 * Bump up the runtime PM usage counter of @dev and carry out runtime-resume of
409 * pm_runtime_resume() and the runtime PM usage counter of @dev remains
421 * pm_runtime_resume_and_get - Bump up usage counter of a device and resume it.
425 * PM usage counter. Return 0 if the runtime PM usage counter of @dev has been
442 * pm_runtime_put - Drop device usage counter and queue up "idle check" if 0.
445 * Decrement the runtime PM usage counter of @dev and if it turns out to be
446 * equal to 0, queue up a work item for @dev like in pm_request_idle().
454 * __pm_runtime_put_autosuspend - Drop device usage counter and queue autosuspend if 0.
457 * Decrement the runtime PM usage counter of @dev and if it turns out to be
458 * equal to 0, queue up a work item for @dev like in pm_request_autosuspend().
466 * pm_runtime_put_autosuspend - Drop device usage counter and queue autosuspend if 0.
469 * Decrement the runtime PM usage counter of @dev and if it turns out to be
470 * equal to 0, queue up a work item for @dev like in pm_request_autosuspend().
479 * pm_runtime_put_sync - Drop device usage counter and run "idle check" if 0.
482 * Decrement the runtime PM usage counter of @dev and if it turns out to be
484 * return value, set up autosuspend of @dev or suspend it (depending on whether
488 * pm_runtime_idle() and the runtime PM usage counter of @dev remains
497 * pm_runtime_put_sync_suspend - Drop device usage counter and suspend if 0.
500 * Decrement the runtime PM usage counter of @dev and if it turns out to be
501 * equal to 0, carry out runtime-suspend of @dev synchronously.
504 * pm_runtime_suspend() and the runtime PM usage counter of @dev remains
513 * pm_runtime_put_sync_autosuspend - Drop device usage counter and autosuspend if 0.
516 * Decrement the runtime PM usage counter of @dev and if it turns out to be
517 * equal to 0, set up autosuspend of @dev or suspend it synchronously (depending
521 * pm_runtime_autosuspend() and the runtime PM usage counter of @dev remains
530 * pm_runtime_set_active - Set runtime PM status to "active".
544 * pm_runtime_set_suspended - Set runtime PM status to "suspended".
558 * pm_runtime_disable - Disable runtime PM for a device.
562 * "blocking" counter).
573 * pm_runtime_use_autosuspend - Allow autosuspend to be used for a device.
577 * requested (or "autosuspend" will be handled as direct runtime-suspend for
590 * pm_runtime_dont_use_autosuspend - Prevent autosuspend from being used.
594 * means that "autosuspend" will be handled as direct runtime-suspend for it