函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\hpet.c Create Date:2022-07-27 09:42:09
Last Modify:2020-03-16 21:38:50 Copyright©Brick
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函数名称：AMD SB700 based systems with spread spectrum enabled use a SMM based* HPET emulation to provide proper frequency setting.* On such systems the SMM code is initialized with the first HPET register* access and takes some time to complete

函数原型：static bool __init hpet_cfg_working(void)

返回类型：bool

参数：无

775  以i小于1000循环
776  如果hpet_readl(HPET_CFG)不等于0xFFFFFFFF则返回:true
780  打印警告信息("Config register invalid. Disabling HPET\n")
781  返回:false
调用者
名称描述
hpet_enablehpet_enable - Try to setup the HPET timer. Returns 1 on success.