include/linux/pm_runtime.h

17 /* Runtime PM flag argument bits */
27  * (system suspend, hibernation or runtime PM).
30  * macro, which uses the provided callbacks for both runtime PM and system
98  * pm_runtime_get_if_in_use - Conditionally bump up runtime PM usage counter.
101  * Increment the runtime PM usage counter of @dev if its runtime PM status is
102  * %RPM_ACTIVE and its runtime PM usage counter is greater than 0.
110  * pm_suspend_ignore_children - Set runtime PM behavior regarding children.
115  * the runtime PM framework going forward if @enable is %true, or they will
124  * pm_runtime_get_noresume - Bump up runtime PM usage counter of a device.
133  * pm_runtime_put_noidle - Drop runtime PM usage counter of a device.
136  * Decrement the runtime PM usage counter of @dev unless it is 0 already.
144  * pm_runtime_suspended - Check whether or not a device is runtime-suspended.
147  * Return %true if runtime PM is enabled for @dev and its runtime PM status is
151  * called under the runtime PM lock of @dev or under conditions in which
152  * runtime PM cannot be either disabled or enabled for @dev and its runtime PM
162  * pm_runtime_active - Check whether or not a device is runtime-active.
165  * Return %true if runtime PM is disabled for @dev or its runtime PM status is
169  * called under the runtime PM lock of @dev or under conditions in which
170  * runtime PM cannot be either disabled or enabled for @dev and its runtime PM
180  * pm_runtime_status_suspended - Check if runtime PM status is "suspended".
183  * Return %true if the runtime PM status of @dev is %RPM_SUSPENDED, or %false
184  * otherwise, regardless of whether or not runtime PM has been enabled for @dev.
187  * called under the runtime PM lock of @dev or under conditions in which the
188  * runtime PM status of @dev cannot change.
196  * pm_runtime_enabled - Check if runtime PM is enabled.
199  * Return %true if runtime PM is enabled for @dev or %false otherwise.
202  * called under the runtime PM lock of @dev or under conditions in which
203  * runtime PM cannot be either disabled or enabled for @dev.
211  * pm_runtime_has_no_callbacks - Check if runtime PM callbacks may be present.
214  * Return %true if @dev is a special device without runtime PM callbacks or
226  * Update the last access time of @dev used by the runtime PM autosuspend
235  * pm_runtime_is_irq_safe - Check if runtime PM can work in interrupt context.
239  * to runtime PM), in which case its runtime PM callabcks can be expected to
379  * pm_request_resume - Queue up runtime-resume of a device.
403  * Bump up the runtime PM usage counter of @dev and queue up a work item to
404  * carry out runtime-resume of it.
415  * Bump up the runtime PM usage counter of @dev and carry out runtime-resume of
419  * pm_runtime_resume() and the runtime PM usage counter of @dev remains
434  * Resume @dev synchronously and if that is successful, increment its runtime
435  * PM usage counter. Return 0 if the runtime PM usage counter of @dev has been
455  * Decrement the runtime PM usage counter of @dev and if it turns out to be
467  * Decrement the runtime PM usage counter of @dev and if it turns out to be
480  * Decrement the runtime PM usage counter of @dev and if it turns out to be
486  * pm_runtime_idle() and the runtime PM usage counter of @dev remains
498  * Decrement the runtime PM usage counter of @dev and if it turns out to be
499  * equal to 0, carry out runtime-suspend of @dev synchronously.
502  * pm_runtime_suspend() and the runtime PM usage counter of @dev remains
514  * Decrement the runtime PM usage counter of @dev and if it turns out to be
519  * pm_runtime_autosuspend() and the runtime PM usage counter of @dev remains
528  * pm_runtime_set_active - Set runtime PM status to "active".
531  * Set the runtime PM status of @dev to %RPM_ACTIVE and ensure that dependencies
534  * It is not valid to call this function for devices with runtime PM enabled.
542  * pm_runtime_set_suspended - Set runtime PM status to "suspended".
545  * Set the runtime PM status of @dev to %RPM_SUSPENDED and ensure that
548  * It is not valid to call this function for devices with runtime PM enabled.
556  * pm_runtime_disable - Disable runtime PM for a device.
559  * Prevent the runtime PM framework from working with @dev (by incrementing its
563  * pm_runtime_enable() call in order for runtime PM to be enabled for it.
574  * Allow the runtime PM autosuspend mechanism to be used for @dev whenever
575  * requested (or "autosuspend" will be handled as direct runtime-suspend for
591  * Prevent the runtime PM autosuspend mechanism from being used for @dev which
592  * means that "autosuspend" will be handled as direct runtime-suspend for it