linux-kernel - [tip:x86/urgent] x86/tsc: Add missing Cherrytrail frequency to the table

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Message-ID: <tip-e2724e9d969294879936daf7833d4adda26c8efc@git.kernel.org>
Date:	Thu, 12 May 2016 05:34:02 -0700
From:	tip-bot for Jeremy Compostella <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	mingo@...nel.org, jeremy.compostella@...el.com, hpa@...or.com,
	linux-kernel@...r.kernel.org, tglx@...utronix.de
Subject: [tip:x86/urgent] x86/tsc: Add missing Cherrytrail frequency to the
 table

Commit-ID:  e2724e9d969294879936daf7833d4adda26c8efc
Gitweb:     http://git.kernel.org/tip/e2724e9d969294879936daf7833d4adda26c8efc
Author:     Jeremy Compostella <jeremy.compostella@...el.com>
AuthorDate: Wed, 11 May 2016 17:23:34 +0200
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Thu, 12 May 2016 14:27:14 +0200

x86/tsc: Add missing Cherrytrail frequency to the table

Intel Cherrytrail is based on Airmont core so MSR_FSB_FREQ[2:0] = 4
means that the CPU reference clock runs at 80MHz.  Add this missing
frequency to the table.

Signed-off-by: Jeremy Compostella <jeremy.compostella@...el.com>
Link: http://lkml.kernel.org/r/87y47gty89.fsf@intel.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>

---
 arch/x86/kernel/tsc_msr.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/x86/kernel/tsc_msr.c b/arch/x86/kernel/tsc_msr.c
index 6aa0f4d..9911a06 100644
--- a/arch/x86/kernel/tsc_msr.c
+++ b/arch/x86/kernel/tsc_msr.c
@@ -23,6 +23,7 @@
 #include <asm/param.h>
 
 /* CPU reference clock frequency: in KHz */
+#define FREQ_80		80000
 #define FREQ_83		83200
 #define FREQ_100	99840
 #define FREQ_133	133200
@@ -56,6 +57,8 @@ static struct freq_desc freq_desc_tables[] = {
 	{ 6, 0x37, 1, { FREQ_83, FREQ_100, FREQ_133, FREQ_166, 0, 0, 0, 0 } },
 	/* ANN */
 	{ 6, 0x5a, 1, { FREQ_83, FREQ_100, FREQ_133, FREQ_100, 0, 0, 0, 0 } },
+	/* AIRMONT */
+	{ 6, 0x4c, 1, { FREQ_83, FREQ_100, FREQ_133, FREQ_166, FREQ_80,	0, 0, 0 } },
 };
 
 static int match_cpu(u8 family, u8 model)