linux-kernel - [PATCH 08/11] driver/acpi: Add support for Hygon's Dhyana Family 18h processor

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Date:   Sat,  9 Jun 2018 21:23:53 +0800
From:   Pu Wen <puwen@...on.cn>
To:     rjw@...ysocki.net, lenb@...nel.org, zhangpanyong@...on.cn
Cc:     tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
        x86@...nel.org, thomas.lendacky@....com, peterz@...radead.org,
        tony.luck@...el.com, bp@...en8.de, pbonzini@...hat.com,
        rkrcmar@...hat.com, boris.ostrovsky@...cle.com, jgross@...e.com,
        viresh.kumar@...aro.org, mchehab@...nel.org, trenn@...e.com,
        shuah@...nel.org, linux-kernel@...r.kernel.org,
        linux-arch@...r.kernel.org, linux-x86_64@...r.kernel.org,
        linux-pci@...r.kernel.org, linux-acpi@...r.kernel.org,
        linux-edac@...r.kernel.org, linux-pm@...r.kernel.org,
        kvm@...r.kernel.org, xen-devel@...ts.xenproject.org,
        Pu Wen <puwen@...on.cn>
Subject: [PATCH 08/11] driver/acpi: Add support for Hygon's Dhyana Family 18h processor

This patch enables the ACPI driver support to Hygon Family 18h CPU:
- Add Hygon support in power_saving_mwait_init().
- Add Hygon support in lapic_timer_state_broadcast().

Signed-off-by: Pu Wen <puwen@...on.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