[PATCH] i386 Remove useless code in tsc.c
authorThomas Gleixner <tglx@linutronix.de>
Fri, 16 Feb 2007 09:27:32 +0000 (01:27 -0800)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Fri, 16 Feb 2007 16:13:57 +0000 (08:13 -0800)
The delayed work code in arch/i386/kernel/tsc.c is an unused leftover of the
GTOD conversion. Remove it.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: john stultz <johnstul@us.ibm.com>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
arch/i386/kernel/tsc.c

index 46f752a8bbf3270a8d34bc3564fdf641e07bf8ea..d4000649942a6f72c73b4142a691f248a42d0413 100644 (file)
@@ -222,34 +222,6 @@ out_no_tsc:
 
 #ifdef CONFIG_CPU_FREQ
 
-static unsigned int cpufreq_delayed_issched = 0;
-static unsigned int cpufreq_init = 0;
-static struct work_struct cpufreq_delayed_get_work;
-
-static void handle_cpufreq_delayed_get(struct work_struct *work)
-{
-       unsigned int cpu;
-
-       for_each_online_cpu(cpu)
-               cpufreq_get(cpu);
-
-       cpufreq_delayed_issched = 0;
-}
-
-/*
- * if we notice cpufreq oddness, schedule a call to cpufreq_get() as it tries
- * to verify the CPU frequency the timing core thinks the CPU is running
- * at is still correct.
- */
-static inline void cpufreq_delayed_get(void)
-{
-       if (cpufreq_init && !cpufreq_delayed_issched) {
-               cpufreq_delayed_issched = 1;
-               printk(KERN_DEBUG "Checking if CPU frequency changed.\n");
-               schedule_work(&cpufreq_delayed_get_work);
-       }
-}
-
 /*
  * if the CPU frequency is scaled, TSC-based delays will need a different
  * loops_per_jiffy value to function properly.
@@ -313,17 +285,9 @@ static struct notifier_block time_cpufreq_notifier_block = {
 
 static int __init cpufreq_tsc(void)
 {
-       int ret;
-
-       INIT_WORK(&cpufreq_delayed_get_work, handle_cpufreq_delayed_get);
-       ret = cpufreq_register_notifier(&time_cpufreq_notifier_block,
-                                       CPUFREQ_TRANSITION_NOTIFIER);
-       if (!ret)
-               cpufreq_init = 1;
-
-       return ret;
+       return cpufreq_register_notifier(&time_cpufreq_notifier_block,
+                                        CPUFREQ_TRANSITION_NOTIFIER);
 }
-
 core_initcall(cpufreq_tsc);
 
 #endif