Re: [PATCH 3/6] ARM: dts: sun8i: add a cpu0 label to cpu@0 node on A23/33
From: Sudeep Holla
Date: Tue Dec 13 2016 - 11:52:28 EST
On 13/12/16 16:31, Chen-Yu Tsai wrote:
> On Wed, Dec 14, 2016 at 12:09 AM, Sudeep Holla <sudeep.holla@xxxxxxx> wrote:
>> On 13/12/16 15:22, Icenowy Zheng wrote:
>>> A "cpu0" label is needed on cpu@0 for cpufreq-dt to work.
>> IIUC any label should be fine and I don't see anything in the driver
>> looking for such label name. All I see is it looks for cpu0 regulator
>> for *legacy* DTs
>>> Add such a label, in order to prepare for cpufreq support of A23/33.
>> You need this as you add the same label in the following patches. The
>> commit message sounds like cpufreq-dt search for that label by name.
> I think a more proper explanation would be:
> The cpu's supply regulator is specified at the board level, hence we
> need to add a label to it to reference it without replicating the whole
> tree structure.
Thanks for clarifying, was confused based on the commit log.