Bug#793185: [linux-sunxi] Re: forwarding a bug: cpufreq missing in debian stable on a cuibeboard
On Sat, Jul 25, 2015 at 10:46 PM, Leonardo Canducci
<leonardo.canducci@gmail.com> wrote:
> I got lost somewhere in that long thread but I saw cpufreq on cubie* works
> for someone [0]. It's just a matter of loading two modules. I tried myself
> on my jessie install (kernel from experimental) and can confirm that:
>
> leo@cubetto:~$ sudo modprobe axp20x-regulator
> leo@cubetto:~$ sudo modprobe cpufreq-dt
> leo@cubetto:~$ ls /sys/devices/system/cpu/cpu0/cpufreq/
> affected_cpus related_cpus scaling_governor
> cpuinfo_cur_freq scaling_available_frequencies scaling_max_freq
> cpuinfo_max_freq scaling_available_governors scaling_min_freq
> cpuinfo_min_freq scaling_cur_freq scaling_setspeed
> cpuinfo_transition_latency scaling_driver stats
>
> How do I make this change persistent?
Add both module names to /etc/modules.
ChenYu
> Thanks, Leonardo
>
> [0]
> http://forum.armbian.com/index.php/topic/108-no-cpufreq-support-in-cubietruck-debian-39-wheezy-405/?p=781
>
> 2015-07-24 15:23 GMT+02:00 Hans de Goede <hdegoede@redhat.com>:
>>
>> Hi,
>>
>> On 24-07-15 15:16, Maxime Ripard wrote:
>>>
>>> On Fri, Jul 24, 2015 at 02:58:31PM +0200, Hans de Goede wrote:
>>>>
>>>> There is slightly more to it then those 5 lines, but yes we should
>>>> enable
>>>> voltage scaling on more boards. This mostly requires someone to simply
>>>> just do the work.
>>>>
>>>> I've a workshop on dts this weekend at our localhacker space and the
>>>> plan
>>>> is for the people attending to get some handson experience by them doing
>>>> this work (amongst other things) :)
>>>
>>>
>>> While I agree with you on the fact that more board needs to have the
>>> regulators enabled, I really don't think that making some newbies
>>> doing it without any schematics (and boards I guess?)
>>
>>
>> They will only be writing patches for boards which I have, and the patches
>> will be tested on the actual boards before submitting them upstream.
>>
>> I will be collecting and double checking all patches before sending them
>> to you.
>>
>> I will let you know if they blow up any boards :) But I do not really
>> expect that to happen.
>>
>> > is a good thing
>>>
>>> when it comes to something that can permanently damage a board.
>>>
>>> I'd expect that such changes would be carefully done and tested before
>>> being submitted.
>>
>>
>> And they will be, see above.
>>
>> Regards,
>>
>> Hans
>
>
>
>
> --
> Leonardo Canducci
>
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