2019-06-17 01:38:41

by Tony W Wang-oc

[permalink] [raw]
Subject: [PATCH v2 2/3] ACPI, x86: add Zhaoxin processors support for NONSTOP TSC

Zhaoxin CPUs have NONSTOP TSC feature, so enable the ACPI
driver support for it.

Signed-off-by: Tony W Wang-oc <[email protected]>
---
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 a47676a..c06306e 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 98d4ec5..fa95ce9 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.
--
2.7.4