Subject: [PATCH v2] drm/i2c: tda998x: Change the compatible strings

From: [email-masked] (Sebastian Hesselbarth)
Date: Sun, 23 Mar 2014 23:44:55 +0100

On 03/23/2014 09:03 PM, Russell King - ARM Linux wrote:
> On Sun, Mar 23, 2014 at 07:12:05PM +0100, Sebastian Hesselbarth wrote:
>> On 03/23/2014 11:19 AM, Jean-Francois Moine wrote:
>>> On Fri, 21 Mar 2014 14:37:52 +0100
>>> Sebastian Hesselbarth <[email-masked]> wrote:
>>>>>     Required properties;
>>>>> -  - compatible: must be "nxp,tda998x"
>>>>> +  - compatible: may be "nxp,tda9989", "nxp,tda19988" or "nxp,tda19989"
>>>>
>>>> There is a "DT is ABI" policy and although there is no mainline Linux
>>>> user of current compatible, the correct way would be to deprecate
>>>> "nxp,tda998x" and introduce new compatibles.
>>>
>>> Pratically, what is this way?
>>
>> Currently, there is no effective way to deprecate a binding or
>> compatible. You just add the one(s) that are more sensible and
>> you mark the old one as DEPRECATED by simply writing it in the
>> binding doc.
>>
>> The driver should support the old binding at least for a while.
>
> It doesn't need to - it's only been in development trees so far, and
> never been in a mainline full release.  Until it does, the binding
> does not become stable.

Ok, I see. Thanks for the clarification. A note about it would
have been nice though. Anyway, sorry for the noise.

Sebastian