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x86/tsc: Add missing header to tsc_msr.c

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[ Upstream commit dbd0fbc76c77daac08ddd245afdcbade0d506e19 ]

Add a missing header otherwise compiler warns about missed prototype:

CC      arch/x86/kernel/tsc_msr.o
arch/x86/kernel/tsc_msr.c:73:15: warning: no previous prototype for ‘cpu_khz_from_msr’ [-Wmissing-prototypes]
   unsigned long cpu_khz_from_msr(void)
                 ^~~~~~~~~~~~~~~~

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Pavel Tatashin <pasha.tatashin@oracle.com>
Link: https://lkml.kernel.org/r/20180629193113.84425-4-andriy.shevchenko@linux.intel.com
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2018-06-29 22:31:10 +03:00 committed by Greg Kroah-Hartman
parent 6a18e32b35
commit 4c51e1b78e
1 changed files with 1 additions and 0 deletions
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arch/x86/kernel/tsc_msr.c
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@ -21,6 +21,7 @@
#include <asm/setup.h>
#include <asm/apic.h>
#include <asm/param.h>
#include <asm/tsc.h>
/* CPU reference clock frequency: in KHz */
#define FREQ_83 83200