x86/tsc: Add missing header to tsc_msr.c
[ Upstream commit dbd0fbc7 ] 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.comSigned-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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