linux-5.10/kernel/cpu_pm.c

1 // SPDX-License-Identifier: GPL-2.0-only
46  * cpu_pm_register_notifier - register a driver with cpu_pm
50  * CPU and CPU cluster low power entry and exit.
62  * cpu_pm_unregister_notifier - unregister a driver with cpu_pm
77  * cpu_pm_enter - CPU low power entry notifier
79  * Notifies listeners that a single CPU is entering a low power state that may
80  * cause some blocks in the same power domain as the cpu to reset.
85  * co-processor, interrupt controller and its PM extensions, local CPU
98  * cpu_pm_exit - CPU low power exit notifier
100  * Notifies listeners that a single CPU is exiting a low power state that may
101  * have caused some blocks in the same power domain as the cpu to reset.
103  * Notified drivers can include VFP co-processor, interrupt controller
116  * cpu_cluster_pm_enter - CPU cluster low power entry notifier
118  * Notifies listeners that all cpus in a power domain are entering a low power
119  * state that may cause some blocks in the same power domain to reset.
121  * Must be called after cpu_pm_enter has been called on all cpus in the power
122  * domain, and before cpu_pm_exit has been called on any cpu in the power
123  * domain. Notified drivers can include VFP co-processor, interrupt controller
138  * cpu_cluster_pm_exit - CPU cluster low power exit notifier
140  * Notifies listeners that all cpus in a power domain are exiting form a
141  * low power state that may have caused some blocks in the same power domain
144  * Must be called after cpu_cluster_pm_enter has been called for the power
145  * domain, and before cpu_pm_exit has been called on any cpu in the power
146  * domain. Notified drivers can include VFP co-processor, interrupt controller