2009/6/18 David Miller <davem@xxxxxxxxxxxxx>:
> From: Alexander Beregalov <a.beregalov@xxxxxxxxx>
> Date: Thu, 18 Jun 2009 15:53:40 +0400
>
>>> See what value sparc64_init_timers() ends up using for "freq".
>> It returns freq=0.
>
> Please, dig deeper :-)
>
> Where is it getting it from? cpu_data()->clock_tick?
Yes, exactly.
freq = local_cpu_data().clock_tick;
>
> If so, see if of_fill_in_cpu_data() is even running, and if so
> why it isn't storing a non-zero value there.
Oops. Digging deeper I found that I incorrectly applied your patch.
I manually edited init_64.c and wrote #ifdef instead of #ifndef.
Sorry :)
Your patch is really working.
Thanks!
fill_in_one_cpu():
<...>
cpu_data(cpuid).clock_tick =
of_getintprop_default(dp, "clock-frequency", 0);
printk("cpuid: %u; clock_tick: %lu\n", cpuid, cpu_data(cpuid).clock_tick);
prints
cpuid: 0; clock_tick: 440000000
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