linux/kernel/cpu_pm.c

1 // SPDX-License-Identifier: GPL-2.0-only
53  * cpu_pm_register_notifier - register a driver with cpu_pm
57  * CPU and CPU cluster low power entry and exit.
74  * cpu_pm_unregister_notifier - unregister a driver with cpu_pm
77  * Remove a driver from the CPU PM notifier list.
94  * cpu_pm_enter - CPU low power entry notifier
96  * Notifies listeners that a single CPU is entering a low power state that may
97  * cause some blocks in the same power domain as the cpu to reset.
99  * Must be called on the affected CPU with interrupts disabled.  Platform is
101  * CPU before cpu_pm_exit is called. Notified drivers can include VFP
102  * co-processor, interrupt controller and its PM extensions, local CPU
115  * cpu_pm_exit - CPU low power exit notifier
117  * Notifies listeners that a single CPU is exiting a low power state that may
118  * have caused some blocks in the same power domain as the cpu to reset.
120  * Notified drivers can include VFP co-processor, interrupt controller
121  * and its PM extensions, local CPU timers context save/restore which
133  * cpu_cluster_pm_enter - CPU cluster low power entry notifier
135  * Notifies listeners that all cpus in a power domain are entering a low power
136  * state that may cause some blocks in the same power domain to reset.
138  * Must be called after cpu_pm_enter has been called on all cpus in the power
139  * domain, and before cpu_pm_exit has been called on any cpu in the power
140  * domain. Notified drivers can include VFP co-processor, interrupt controller
141  * and its PM extensions, local CPU timers context save/restore which
155  * cpu_cluster_pm_exit - CPU cluster low power exit notifier
157  * Notifies listeners that all cpus in a power domain are exiting form a
158  * low power state that may have caused some blocks in the same power domain
161  * Must be called after cpu_cluster_pm_enter has been called for the power
162  * domain, and before cpu_pm_exit has been called on any cpu in the power
163  * domain. Notified drivers can include VFP co-processor, interrupt controller
164  * and its PM extensions, local CPU timers context save/restore which