From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Fri, 29 Jun 2018 22:31:10 +0300
Subject: x86/tsc: Add missing header to tsc_msr.c
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Git-commit: dbd0fbc76c77daac08ddd245afdcbade0d506e19
Patch-mainline: v4.19-rc1
References: bsc#1110006

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

Acked-by: Joerg Roedel <jroedel@suse.de>
---
 arch/x86/kernel/tsc_msr.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/kernel/tsc_msr.c b/arch/x86/kernel/tsc_msr.c
index 19afdbd7d0a7..5532d1be7687 100644
--- a/arch/x86/kernel/tsc_msr.c
+++ b/arch/x86/kernel/tsc_msr.c
@@ -12,6 +12,7 @@
 #include <asm/setup.h>
 #include <asm/apic.h>
 #include <asm/param.h>
+#include <asm/tsc.h>
 
 #define MAX_NUM_FREQS	9