x86: set_cyc2ns_scale() remove prev scale

Peter Zijlstra pointed out that it's unused.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 1 insertions, 2 deletions

diff --git a/arch/x86/kernel/tsc_64.c b/arch/x86/kernel/tsc_64.c
index d3bebaaad8..ceeba01e7f 100644
--- a/arch/x86/kernel/tsc_64.c
+++ b/arch/x86/kernel/tsc_64.c
@@ -44,8 +44,8 @@ DEFINE_PER_CPU(unsigned long, cyc2ns);
 
 static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu)
 {
-        unsigned long flags, prev_scale, *scale;
         unsigned long long tsc_now, ns_now;
+        unsigned long flags, *scale;
 
         local_irq_save(flags);
         sched_clock_idle_sleep_event();
@@ -55,7 +55,6 @@ static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu)
         rdtscll(tsc_now);
         ns_now = __cycles_2_ns(tsc_now);
 
-        prev_scale = *scale;
         if (cpu_khz)
                 *scale = (NSEC_PER_MSEC << CYC2NS_SCALE_FACTOR)/cpu_khz;