Re: [PATCH v3 4/4] DTS: Pandora: fix panel compatibility string

From: H. Nikolaus Schaller
Date: Fri Dec 01 2017 - 04:49:26 EST


Hi Tomi,

> Am 01.12.2017 um 09:13 schrieb Tomi Valkeinen <tomi.valkeinen@xxxxxx>:
>
> On 01/12/17 00:06, Sebastian Reichel wrote:
>
>>>>> How about let's call it a "typo fix" then? :)
>>>>
>>>> Well, it is not really a typo.
>>>
>>> Well what if the stable people pick it into earlier stable series
>>> based on the word fix in the subject? That has happened before.
>>>
>>> I suggest you update the dts patches to use wording like
>>> "update compatible to use new naming" or something similar.
>>
>> Patch 4/4 is a Fix and should be applied to stable trees. "omapdss,"
>> prefix was never supposed to be in the DTS files, is not supposed to
>> be in there now and will break some time in the future.
>>
>> Explanation: The early init of omapdss adds the prefix at runtime,
>> so that the binding can use generic properties and the kernel can
>> use omapdss specific drivers until the generic ones can be used
>
> This is true, but the extra "omapdss" does not cause any issues at the
> moment, and the time when it causes issues is still many kernel versions
> in the future.
>
> But, yes, thinking about this, I agree, it's better to pick this one
> separately as a fix (after rebasing it on top of current maineline so
> that it doesn't depend on the toppoly name change), and leaving the
> toppoly->tpo change as a cleanup.

Just a note: there is no toppoly->tpo change for *this* panel and
Pandora board. Just omapdss removal.

The GTA04 needs a toppoly->tpo change but no omapdss, removal.

So they solve different problems and are independent of each other.

GTA04: change vendor string
Pandora: remove omapdss, prefix

BR and thanks,
Nikolaus