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x86/intel: force tsc to be reliable on Cherrytrail
author
Chih-Wei Huang
<cwhuang@linux.org.tw>
Fri, 27 May 2016 09:25:08 +0000
(17:25 +0800)
committer
Chih-Wei Huang
<cwhuang@linux.org.tw>
Tue, 13 Dec 2016 01:03:14 +0000
(09:03 +0800)
arch/x86/kernel/cpu/intel.c
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diff --git
a/arch/x86/kernel/cpu/intel.c
b/arch/x86/kernel/cpu/intel.c
index
9f2c6fc
..
c5ec676
100644
(file)
--- a/
arch/x86/kernel/cpu/intel.c
+++ b/
arch/x86/kernel/cpu/intel.c
@@
-131,6
+131,7
@@
static void early_init_intel(struct cpuinfo_x86 *c)
/* Penwell and Cloverview have the TSC which doesn't sleep on S3 */
if (c->x86 == 6) {
switch (c->x86_model) {
+ case 0x4c: /* CherryView */
case 0x37: /* ValleyView */
set_cpu_cap(c, X86_FEATURE_TSC_RELIABLE);
case 0x27: /* Penwell */