include/linux/pm_runtime.h

13 #include <linux/pm.h>
17 /* Runtime PM flag argument bits */
26  * Use this for defining a set of PM operations to be used in all situations
27  * (system suspend, hibernation or runtime PM).
30  * macro, which uses the provided callbacks for both runtime PM and system
99  * pm_suspend_ignore_children - Set runtime PM behavior regarding children.
104  * the runtime PM framework going forward if @enable is %true, or they will
113  * pm_runtime_get_noresume - Bump up runtime PM usage counter of a device.
122  * pm_runtime_put_noidle - Drop runtime PM usage counter of a device.
125  * Decrement the runtime PM usage counter of @dev unless it is 0 already.
136  * Return %true if runtime PM is enabled for @dev and its runtime PM status is
140  * called under the runtime PM lock of @dev or under conditions in which
141  * runtime PM cannot be either disabled or enabled for @dev and its runtime PM
154  * Return %true if runtime PM is disabled for @dev or its runtime PM status is
158  * called under the runtime PM lock of @dev or under conditions in which
159  * runtime PM cannot be either disabled or enabled for @dev and its runtime PM
169  * pm_runtime_status_suspended - Check if runtime PM status is "suspended".
172  * Return %true if the runtime PM status of @dev is %RPM_SUSPENDED, or %false
173  * otherwise, regardless of whether or not runtime PM has been enabled for @dev.
176  * called under the runtime PM lock of @dev or under conditions in which the
177  * runtime PM status of @dev cannot change.
185  * pm_runtime_enabled - Check if runtime PM is enabled.
188  * Return %true if runtime PM is enabled for @dev or %false otherwise.
191  * called under the runtime PM lock of @dev or under conditions in which
192  * runtime PM cannot be either disabled or enabled for @dev.
200  * pm_runtime_has_no_callbacks - Check if runtime PM callbacks may be present.
203  * Return %true if @dev is a special device without runtime PM callbacks or
215  * Update the last access time of @dev used by the runtime PM autosuspend
224  * pm_runtime_is_irq_safe - Check if runtime PM can work in interrupt context.
228  * to runtime PM), in which case its runtime PM callabcks can be expected to
391  * Bump up the runtime PM usage counter of @dev and queue up a work item to
403  * Bump up the runtime PM usage counter of @dev and carry out runtime-resume of
407  * pm_runtime_resume() and the runtime PM usage counter of @dev remains
423  * PM usage counter. Return 0 if the runtime PM usage counter of @dev has been
443  * Decrement the runtime PM usage counter of @dev and if it turns out to be
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
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
591  * Prevent the runtime PM autosuspend mechanism from being used for @dev which