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
102  * pm_suspend_ignore_children - Set runtime PM behavior regarding children.
107  * the runtime PM framework going forward if @enable is %true, or they will
116  * pm_runtime_get_noresume - Bump up runtime PM usage counter of a device.
125  * pm_runtime_put_noidle - Drop runtime PM usage counter of a device.
128  * Decrement the runtime PM usage counter of @dev unless it is 0 already.
139  * Return %true if runtime PM is enabled for @dev and its runtime PM status is
143  * called under the runtime PM lock of @dev or under conditions in which
144  * runtime PM cannot be either disabled or enabled for @dev and its runtime PM
157  * Return %true if runtime PM is disabled for @dev or its runtime PM status is
161  * called under the runtime PM lock of @dev or under conditions in which
162  * runtime PM cannot be either disabled or enabled for @dev and its runtime PM
172  * pm_runtime_status_suspended - Check if runtime PM status is "suspended".
175  * Return %true if the runtime PM status of @dev is %RPM_SUSPENDED, or %false
176  * otherwise, regardless of whether or not runtime PM has been enabled for @dev.
179  * called under the runtime PM lock of @dev or under conditions in which the
180  * runtime PM status of @dev cannot change.
188  * pm_runtime_enabled - Check if runtime PM is enabled.
191  * Return %true if runtime PM is enabled for @dev or %false otherwise.
194  * called under the runtime PM lock of @dev or under conditions in which
195  * runtime PM cannot be either disabled or enabled for @dev.
203  * pm_runtime_blocked - Check if runtime PM enabling is blocked.
214  * pm_runtime_has_no_callbacks - Check if runtime PM callbacks may be present.
217  * Return %true if @dev is a special device without runtime PM callbacks or
229  * Update the last access time of @dev used by the runtime PM autosuspend
238  * pm_runtime_is_irq_safe - Check if runtime PM can work in interrupt context.
242  * to runtime PM), in which case its runtime PM callabcks can be expected to
409  * Bump up the runtime PM usage counter of @dev and queue up a work item to
421  * Bump up the runtime PM usage counter of @dev and carry out runtime-resume of
425  * pm_runtime_resume() and the runtime PM usage counter of @dev remains
441  * PM usage counter. Return 0 if the runtime PM usage counter of @dev has been
461  * Decrement the runtime PM usage counter of @dev and if it turns out to be
473  * Decrement the runtime PM usage counter of @dev and if it turns out to be
485  * Decrement the runtime PM usage counter of @dev and if it turns out to be
498  * Decrement the runtime PM usage counter of @dev and if it turns out to be
504  * pm_runtime_idle() and the runtime PM usage counter of @dev remains
516  * Decrement the runtime PM usage counter of @dev and if it turns out to be
520  * pm_runtime_suspend() and the runtime PM usage counter of @dev remains
532  * Decrement the runtime PM usage counter of @dev and if it turns out to be
537  * pm_runtime_autosuspend() and the runtime PM usage counter of @dev remains
546  * pm_runtime_set_active - Set runtime PM status to "active".
549  * Set the runtime PM status of @dev to %RPM_ACTIVE and ensure that dependencies
552  * It is not valid to call this function for devices with runtime PM enabled.
560  * pm_runtime_set_suspended - Set runtime PM status to "suspended".
563  * Set the runtime PM status of @dev to %RPM_SUSPENDED and ensure that
566  * It is not valid to call this function for devices with runtime PM enabled.
574  * pm_runtime_disable - Disable runtime PM for a device.
577  * Prevent the runtime PM framework from working with @dev by incrementing its
582  * that point, all of the pending runtime PM requests for @dev will be canceled
583  * and all runtime PM operations in progress involving it will be waited for to
587  * pm_runtime_enable() call, so that runtime PM is eventually enabled for it
599  * Allow the runtime PM autosuspend mechanism to be used for @dev whenever
616  * Prevent the runtime PM autosuspend mechanism from being used for @dev which