Hey,
On Wed, Nov 11, 2009 at 03:09:59PM +0800, Wu Zhangjin wrote:
> + printk(KERN_INFO "cpufreq: Loongson-2F CPU frequency driver.\n");
> + result = cpufreq_register_driver(&loongson2_cpufreq_driver);
> +
> + if (!result && !nowait) {
> + saved_cpu_wait = cpu_wait;
> + cpu_wait = loongson2_cpu_wait;
> + }
> +
> + cpufreq_register_notifier(&loongson2_cpufreq_notifier_block,
> + CPUFREQ_TRANSITION_NOTIFIER);
IMO you should register the transition notifier before register_driver(),
else there's a small window where a change may be initiate which is not
notified...
Best,
Dominik
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