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Groups > linux.kernel > #1486435
| From | Prarit Bhargava <prarit@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 1/2 v2] x86,tsc: Use cpu id defines from intel-family.h |
| Date | 2016-09-19 15:00 +0200 |
| Message-ID | <sj6kW-5ze-25@gated-at.bofh.it> (permalink) |
| References | <sj6kW-5ze-15@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
asm/intel-family.h contains defines for cpu ids which should be
used in the native_calibrate_tsc() function.
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: x86@kernel.org
Cc: Rafael Aquini <aquini@redhat.com>
Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Len Brown <len.brown@intel.com>
Cc: lenb@kernel.org
---
arch/x86/kernel/tsc.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 78b9cb5a26af..2344758ba8a3 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -23,6 +23,7 @@
#include <asm/x86_init.h>
#include <asm/geode.h>
#include <asm/apic.h>
+#include <asm/intel-family.h>
unsigned int __read_mostly cpu_khz; /* TSC clocks / usec, not used here */
EXPORT_SYMBOL(cpu_khz);
@@ -686,11 +687,11 @@ unsigned long native_calibrate_tsc(void)
if (crystal_khz == 0) {
switch (boot_cpu_data.x86_model) {
- case 0x4E: /* SKL */
- case 0x5E: /* SKL */
+ case INTEL_FAM6_SKYLAKE_MOBILE:
+ case INTEL_FAM6_SKYLAKE_DESKTOP:
crystal_khz = 24000; /* 24.0 MHz */
break;
- case 0x5C: /* BXT */
+ case INTEL_FAM6_ATOM_GOLDMONT:
crystal_khz = 19200; /* 19.2 MHz */
break;
}
--
1.7.9.3
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[PATCH 1/2 v2] x86,tsc: Use cpu id defines from intel-family.h Prarit Bhargava <prarit@redhat.com> - 2016-09-19 15:00 +0200 [tip:x86/timers] x86/tsc: Use cpu id defines instead of hex constants tip-bot for Prarit Bhargava <tipbot@zytor.com> - 2016-09-20 01:10 +0200
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