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Commit 26a08eb3 authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Linus Torvalds
Browse files

[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: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Cc: john stultz <johnstul@us.ibm.com>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent c1d370e1

arch/i386/kernel/tsc.c

+2 −38
Original line number Original line Diff line number Diff line
@@ -222,34 +222,6 @@ void __init tsc_init(void) 




#ifdef CONFIG_CPU_FREQ

#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

 * if the CPU frequency is scaled, TSC-based delays will need a different

 * loops_per_jiffy value to function properly.

 * 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)

static int __init cpufreq_tsc(void)

{

{

	int ret;

	return cpufreq_register_notifier(&time_cpufreq_notifier_block,



	INIT_WORK(&cpufreq_delayed_get_work, handle_cpufreq_delayed_get);

	ret = cpufreq_register_notifier(&time_cpufreq_notifier_block,

					 CPUFREQ_TRANSITION_NOTIFIER);

					 CPUFREQ_TRANSITION_NOTIFIER);

	if (!ret)

		cpufreq_init = 1;



	return ret;

}

}



core_initcall(cpufreq_tsc);

core_initcall(cpufreq_tsc);





#endif

#endif