函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\cpu_pm.c Create Date:2022-07-27 13:58:49
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:pu_pm_enter - CPU low power entry notifier* Notifies listeners that a single CPU is entering a low power state that may* cause some blocks in the same power domain as the cpu to reset.* Must be called on the affected CPU with interrupts disabled

函数原型:int cpu_pm_enter(void)

返回类型:int

参数:

84  ret等于0
86  ret等于cpu_pm_notify(CPU_PM_ENTER, - 1, & nr_calls)
87  如果retcpu_pm_notify(CPU_PM_ENTER_FAILED, nr_calls - 1, NULL)
94  返回:ret