[PATCH] x86: remove unused code in set_cyc2ns_scale()

[Guillaume Chazarain]

This should be fold into:
4f95bd6e2b21a8c724357463f8341502d47aba13
x86: scale cyc_2_nsec according to CPU frequency

Signed-off-by: Guillaume Chazarain <[EMAIL PROTECTED]>
---
 arch/x86/kernel/tsc_32.c |   14 +++++---------
 arch/x86/kernel/tsc_64.c |   14 +++++---------
 2 files changed, 10 insertions(+), 18 deletions(-)

diff --git a/arch/x86/kernel/tsc_32.c b/arch/x86/kernel/tsc_32.c
index 43517e3..e05e221 100644
--- a/arch/x86/kernel/tsc_32.c
+++ b/arch/x86/kernel/tsc_32.c
@@ -83,20 +83,16 @@ 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;
+
+       if (!cpu_khz)
+               return;
 
        local_irq_save(flags);
        sched_clock_idle_sleep_event();
 
        scale = &per_cpu(cyc2ns, 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;
+       *scale = (NSEC_PER_MSEC << CYC2NS_SCALE_FACTOR)/cpu_khz;
 
        /*
         * Start smoothly with the new frequency:
diff --git a/arch/x86/kernel/tsc_64.c b/arch/x86/kernel/tsc_64.c
index 947554d..e0e9d4f 100644
--- a/arch/x86/kernel/tsc_64.c
+++ b/arch/x86/kernel/tsc_64.c
@@ -44,20 +44,16 @@ 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;
+
+       if (!cpu_khz)
+               return;
 
        local_irq_save(flags);
        sched_clock_idle_sleep_event();
 
        scale = &per_cpu(cyc2ns, 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;
+       *scale = (NSEC_PER_MSEC << CYC2NS_SCALE_FACTOR)/cpu_khz;
 
        sched_clock_idle_wakeup_event(0);
        local_irq_restore(flags);
-- 
1.5.3.7

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/