提交 26a08eb3 编写于 作者: T Thomas Gleixner 提交者: Linus Torvalds

[PATCH] i386 Remove useless code in tsc.c

The delayed work code in arch/i386/kernel/tsc.c is an unused leftover of the
GTOD conversion. Remove it.
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
Cc: john stultz <johnstul@us.ibm.com>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 c1d370e1
......@@ -222,34 +222,6 @@ void __init tsc_init(void)
#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
......
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