include/linux/pm_runtime.h

17 /* Runtime PM flag argument bits */
63  * pm_runtime_get_if_in_use - Conditionally bump up runtime PM usage counter.
66  * Increment the runtime PM usage counter of @dev if its runtime PM status is
67  * %RPM_ACTIVE and its runtime PM usage counter is greater than 0.
75  * pm_suspend_ignore_children - Set runtime PM behavior regarding children.
80  * the runtime PM framework going forward if @enable is %true, or they will
89  * pm_runtime_get_noresume - Bump up runtime PM usage counter of a device.
98  * pm_runtime_put_noidle - Drop runtime PM usage counter of a device.
101  * Decrement the runtime PM usage counter of @dev unless it is 0 already.
109  * pm_runtime_suspended - Check whether or not a device is runtime-suspended.
112  * Return %true if runtime PM is enabled for @dev and its runtime PM status is
116  * called under the runtime PM lock of @dev or under conditions in which
117  * runtime PM cannot be either disabled or enabled for @dev and its runtime PM
127  * pm_runtime_active - Check whether or not a device is runtime-active.
130  * Return %true if runtime PM is enabled for @dev and its runtime PM status is
134  * called under the runtime PM lock of @dev or under conditions in which
135  * runtime PM cannot be either disabled or enabled for @dev and its runtime PM
145  * pm_runtime_status_suspended - Check if runtime PM status is "suspended".
148  * Return %true if the runtime PM status of @dev is %RPM_SUSPENDED, or %false
149  * otherwise, regardless of whether or not runtime PM has been enabled for @dev.
152  * called under the runtime PM lock of @dev or under conditions in which the
153  * runtime PM status of @dev cannot change.
161  * pm_runtime_enabled - Check if runtime PM is enabled.
164  * Return %true if runtime PM is enabled for @dev or %false otherwise.
167  * called under the runtime PM lock of @dev or under conditions in which
168  * runtime PM cannot be either disabled or enabled for @dev.
176  * pm_runtime_has_no_callbacks - Check if runtime PM callbacks may be present.
179  * Return %true if @dev is a special device without runtime PM callbacks or
191  * Update the last access time of @dev used by the runtime PM autosuspend
200  * pm_runtime_is_irq_safe - Check if runtime PM can work in interrupt context.
204  * to runtime PM), in which case its runtime PM callabcks can be expected to
341  * pm_request_resume - Queue up runtime-resume of a device.
365  * Bump up the runtime PM usage counter of @dev and queue up a work item to
366  * carry out runtime-resume of it.
377  * Bump up the runtime PM usage counter of @dev and carry out runtime-resume of
381  * pm_runtime_resume() and the runtime PM usage counter of @dev remains
393  * Resume @dev synchronously and if that is successful, increment its runtime
394  * PM usage counter. Return 0 if the runtime PM usage counter of @dev has been
414  * Decrement the runtime PM usage counter of @dev and if it turns out to be
426  * Decrement the runtime PM usage counter of @dev and if it turns out to be
439  * Decrement the runtime PM usage counter of @dev and if it turns out to be
445  * pm_runtime_idle() and the runtime PM usage counter of @dev remains
457  * Decrement the runtime PM usage counter of @dev and if it turns out to be
458  * equal to 0, carry out runtime-suspend of @dev synchronously.
461  * pm_runtime_suspend() and the runtime PM usage counter of @dev remains
473  * Decrement the runtime PM usage counter of @dev and if it turns out to be
478  * pm_runtime_autosuspend() and the runtime PM usage counter of @dev remains
487  * pm_runtime_set_active - Set runtime PM status to "active".
490  * Set the runtime PM status of @dev to %RPM_ACTIVE and ensure that dependencies
493  * It is not valid to call this function for devices with runtime PM enabled.
501  * pm_runtime_set_suspended - Set runtime PM status to "suspended".
504  * Set the runtime PM status of @dev to %RPM_SUSPENDED and ensure that
507  * It is not valid to call this function for devices with runtime PM enabled.
515  * pm_runtime_disable - Disable runtime PM for a device.
518  * Prevent the runtime PM framework from working with @dev (by incrementing its
522  * pm_runtime_enable() call in order for runtime PM to be enabled for it.
533  * Allow the runtime PM autosuspend mechanism to be used for @dev whenever
534  * requested (or "autosuspend" will be handled as direct runtime-suspend for
546  * Prevent the runtime PM autosuspend mechanism from being used for @dev which
547  * means that "autosuspend" will be handled as direct runtime-suspend for it