From: LeoLiu-oc LeoLiu-oc@zhaoxin.com
mainline inclusion from mainline-5.3 commit 773b2f30a3fc026f3ed121a8b945b0ae19b64ec5 category: ACPI bugzilla: https://bugzilla.openeuler.org/show_bug.cgi?id=19 CVE: NA
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Zhaoxin CPUs have NONSTOP TSC feature, so enable the ACPI driver support for it.
Signed-off-by: Tony W Wang-oc TonyWWang-oc@zhaoxin.com Signed-off-by: Thomas Gleixner tglx@linutronix.de Cc: "hpa@zytor.com" hpa@zytor.com Cc: "gregkh@linuxfoundation.org" gregkh@linuxfoundation.org Cc: "rjw@rjwysocki.net" rjw@rjwysocki.net Cc: "lenb@kernel.org" lenb@kernel.org Cc: David Wang DavidWang@zhaoxin.com Cc: "Cooper Yan(BJ-RD)" CooperYan@zhaoxin.com Cc: "Qiyuan Wang(BJ-RD)" QiyuanWang@zhaoxin.com Cc: "Herry Yang(BJ-RD)" HerryYang@zhaoxin.com Link: https://lkml.kernel.org/r/d1cfd937dabc44518d42038b55522c53@zhaoxin.com Signed-off-by: LeoLiu-oc LeoLiu-oc@zhaoxin.com Signed-off-by: Cheng Jian cj.chengjian@huawei.com --- drivers/acpi/acpi_pad.c | 1 + drivers/acpi/processor_idle.c | 1 + 2 files changed, 2 insertions(+)
diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c index a47676a55b84..c06306e6ac92 100644 --- a/drivers/acpi/acpi_pad.c +++ b/drivers/acpi/acpi_pad.c @@ -73,6 +73,7 @@ static void power_saving_mwait_init(void) case X86_VENDOR_HYGON: case X86_VENDOR_AMD: case X86_VENDOR_INTEL: + case X86_VENDOR_ZHAOXIN: /* * AMD Fam10h TSC will tick in all * C/P/S0/S1 states when this bit is set. diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index b2131c4ea124..6336f956a144 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -209,6 +209,7 @@ static void tsc_check_state(int state) case X86_VENDOR_AMD: case X86_VENDOR_INTEL: case X86_VENDOR_CENTAUR: + case X86_VENDOR_ZHAOXIN: /* * AMD Fam10h TSC will tick in all * C/P/S0/S1 states when this bit is set.