include/linux/pm_runtime.h

13 #include <linux/pm.h>
17 /* Runtime PM flag argument bits */
64  * pm_runtime_get_if_in_use - Conditionally bump up runtime PM usage counter.
67  * Increment the runtime PM usage counter of @dev if its runtime PM status is
68  * %RPM_ACTIVE and its runtime PM usage counter is greater than 0.
76  * pm_suspend_ignore_children - Set runtime PM behavior regarding children.
81  * the runtime PM framework going forward if @enable is %true, or they will
90  * pm_runtime_get_noresume - Bump up runtime PM usage counter of a device.
99  * pm_runtime_put_noidle - Drop runtime PM usage counter of a device.
102  * Decrement the runtime PM usage counter of @dev unless it is 0 already.
113  * Return %true if runtime PM is enabled for @dev and its runtime PM status is
117  * called under the runtime PM lock of @dev or under conditions in which
118  * runtime PM cannot be either disabled or enabled for @dev and its runtime PM
131  * Return %true if runtime PM is disabled for @dev or its runtime PM status is
135  * called under the runtime PM lock of @dev or under conditions in which
136  * runtime PM cannot be either disabled or enabled for @dev and its runtime PM
146  * pm_runtime_status_suspended - Check if runtime PM status is "suspended".
149  * Return %true if the runtime PM status of @dev is %RPM_SUSPENDED, or %false
150  * otherwise, regardless of whether or not runtime PM has been enabled for @dev.
153  * called under the runtime PM lock of @dev or under conditions in which the
154  * runtime PM status of @dev cannot change.
162  * pm_runtime_enabled - Check if runtime PM is enabled.
165  * Return %true if runtime PM is enabled for @dev or %false otherwise.
168  * called under the runtime PM lock of @dev or under conditions in which
169  * runtime PM cannot be either disabled or enabled for @dev.
177  * pm_runtime_has_no_callbacks - Check if runtime PM callbacks may be present.
180  * Return %true if @dev is a special device without runtime PM callbacks or
192  * Update the last access time of @dev used by the runtime PM autosuspend
201  * pm_runtime_is_irq_safe - Check if runtime PM can work in interrupt context.
205  * to runtime PM), in which case its runtime PM callabcks can be expected to
367  * Bump up the runtime PM usage counter of @dev and queue up a work item to
379  * Bump up the runtime PM usage counter of @dev and carry out runtime-resume of
383  * pm_runtime_resume() and the runtime PM usage counter of @dev remains
396  * PM usage counter. Return 0 if the runtime PM usage counter of @dev has been
416  * Decrement the runtime PM usage counter of @dev and if it turns out to be
428  * Decrement the runtime PM usage counter of @dev and if it turns out to be
441  * Decrement the runtime PM usage counter of @dev and if it turns out to be
447  * pm_runtime_idle() and the runtime PM usage counter of @dev remains
459  * Decrement the runtime PM usage counter of @dev and if it turns out to be
463  * pm_runtime_suspend() and the runtime PM usage counter of @dev remains
475  * Decrement the runtime PM usage counter of @dev and if it turns out to be
480  * pm_runtime_autosuspend() and the runtime PM usage counter of @dev remains
489  * pm_runtime_set_active - Set runtime PM status to "active".
492  * Set the runtime PM status of @dev to %RPM_ACTIVE and ensure that dependencies
495  * It is not valid to call this function for devices with runtime PM enabled.
503  * pm_runtime_set_suspended - Set runtime PM status to "suspended".
506  * Set the runtime PM status of @dev to %RPM_SUSPENDED and ensure that
509  * It is not valid to call this function for devices with runtime PM enabled.
517  * pm_runtime_disable - Disable runtime PM for a device.
520  * Prevent the runtime PM framework from working with @dev (by incrementing its
524  * pm_runtime_enable() call in order for runtime PM to be enabled for it.
535  * Allow the runtime PM autosuspend mechanism to be used for @dev whenever
548  * Prevent the runtime PM autosuspend mechanism from being used for @dev which