Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\hpet.c Create Date:2022-07-28 08:43:00
Last Modify:2020-03-16 21:38:50 Copyright©Brick
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Name: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

Proto:static bool __init hpet_cfg_working(void)

Type:bool

Parameter:Nothing

775  When i < 1000 cycle
776  If hpet_readl(HPET_CFG) != 0xFFFFFFFF Then Return true
780  pr_warn("Config register invalid. Disabling HPET\n")
781  Return false
Caller
NameDescribe
hpet_enablehpet_enable - Try to setup the HPET timer. Returns 1 on success.