Thread (37 messages) 37 messages, 7 authors, 2018-08-17
STALE2869d
Revisions (7)
  1. v2 [diff vs current]
  2. v3 current
  3. v4 [diff vs current]
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  5. v6 [diff vs current]
  6. v7 [diff vs current]
  7. v8 [diff vs current]

[PATCH v3 14/17] driver/acpi: enable Hygon support to ACPI driver

From: Pu Wen <puwen@hygon.cn>
Date: 2018-08-11 13:30:02
Also in: linux-acpi, lkml
Subsystem: acpi, the rest · Maintainers: "Rafael J. Wysocki", Linus Torvalds

For Dhyana processors have NONSTOP TSC feature, so enable the support
to ACPI driver.

Signed-off-by: Pu Wen <puwen@hygon.cn>
---
 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 552c1f7..a47676a 100644
--- a/drivers/acpi/acpi_pad.c
+++ b/drivers/acpi/acpi_pad.c
@@ -70,6 +70,7 @@ static void power_saving_mwait_init(void)
 
 #if defined(CONFIG_X86)
 	switch (boot_cpu_data.x86_vendor) {
+	case X86_VENDOR_HYGON:
 	case X86_VENDOR_AMD:
 	case X86_VENDOR_INTEL:
 		/*
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index abb559c..b2131c4 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -205,6 +205,7 @@ static void lapic_timer_state_broadcast(struct acpi_processor *pr,
 static void tsc_check_state(int state)
 {
 	switch (boot_cpu_data.x86_vendor) {
+	case X86_VENDOR_HYGON:
 	case X86_VENDOR_AMD:
 	case X86_VENDOR_INTEL:
 	case X86_VENDOR_CENTAUR:
-- 
2.7.4
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