Re: [PATCH 3/3] clk: meson-g12a: Add EE Clock controller driver

From: Yixun Lan
Date: Mon Jul 16 2018 - 21:24:51 EST


HI Kevin

just want to clarify..

On 07/16/18 21:38, Kevin Hilman wrote:
> Jerome Brunet <jbrunet@xxxxxxxxxxxx> writes:
>
>> On Tue, 2018-07-10 at 09:21 +0800, Yixun Lan wrote:
>>>
>>> On 07/10/18 05:53, Martin Blumenstingl wrote:
>>>> On Mon, Jul 9, 2018 at 1:14 PM Jian Hu <jian.hu@xxxxxxxxxxx> wrote:
>
> [...]
>
>>>>> +
>>>>> +static const struct of_device_id clkc_match_table[] = {
>>>>> + { .compatible = "amlogic,g12a-clkc" },
>>>>
>>>> I wonder if that should be "amlogic,meson-g12a-clkc" (I know that AXG
>>>> and GXBB/GXL/GXM omit the "meson-" prefix, but I am not sure if that's
>>>> correct - I'll CC Rob Herring on the dt-bindings patch)
>>>>
>>>
>>> we're fine with either way, since the g12a is recently new added SoC.
>>>
>>> but I guess those old compatibles which already exist won't be changed,
>>> as it will break the DT
>>
>> Yes, I doubt we are going to change the compatibles. With or without the meson
>> prefix, I suppose it going to stay that way.
>
> Correct, we will not change existing compatibles. Adding new ones for
> clarity is fine though.
>
fine

>> It is worth thinking about it for new drivers though.
>> We already have the "amlogic,", so do we really to prefix even more with "meson-
>> "
>>
>> Also, if we were really strict about that scheme, should meson8b compatible be
>>
>> "amlogic,meson-meson8b-foo-bar" ... the SoC is meson8b, not just 8b after all ?
>>
>> For the particular case of the clock controller, I don't care very much, as long
>> as the compatible is coherent with documentation.
>>
>> I might have a preference for the current compatible ... just for consistency
>> with the other clock controllers.
>
> In hindsight, I think using the "meson" prefix was a mistake. It's
> redunant, IMO, but it's how we've been doing things for all the drivers,
> except for drivers/clk, which, honestly, I hadn't even noticed until
> now.
>
> As Jerome said, I think consistency is an important goal, so leaving off
> the "meson-" for drivers/clk is fine with me.
>
ok

> Also for consistency, for the rest of the drivers, keeping "meson-" is
> probably the right thing to do.
>
ok, for the above, you are talking about the already exist compatible
names? or the patches we will push in the future?

> However, patches would be welcome to add compatibles without the "meson"
> for the rest of the drivers & documentation as well, but please do not
> remove any compatibles.
>
I assume you are talking about the patches in the future we will push?
to drop the "meson".

I'm confused here, as the above two paragraphs conflict with each other

> Kevin
>
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