Re: [PATCH v1 25/43] dt-bindings: ata: Add Cirrus EP93xx

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On 6/15/23 04:00, Rob Herring wrote:
> On Fri, Jun 02, 2023 at 08:57:37AM +0900, Damien Le Moal wrote:
>> On 6/1/23 14:45, Nikita Shubin wrote:
>>> Add YAML bindings for ep93xx SoC PATA.
>>>
>>> Signed-off-by: Nikita Shubin <nikita.shubin@xxxxxxxxxxx>
>>> ---
>>>
>>> Notes:
>>>     v0 -> v1:
>>>     
>>>     - renamed file to ep9312-pata
>>
>> Looks OK to me but given that this is both for the cirrus,ep9315-pata and
>> cirrus,ep9312-pata, wouldn't it be better to name the file
>> cirrus,ep931x-pata.yaml ?
> 
> cirrus,ep9312-pata makes sense given that is the common fallback.
> 
> Wildcards are okay in filenames (only) when there's not a common 
> fallback.

Got it.

> 
>>>     - changed email to dlemoal@xxxxxxxxxx
>>>     - dropped label
>>>     - fixed ident
>>>
>>>  .../bindings/ata/cirrus,ep9312-pata.yaml      | 44 +++++++++++++++++++
>>>  1 file changed, 44 insertions(+)
>>>  create mode 100644 Documentation/devicetree/bindings/ata/cirrus,ep9312-pata.yaml
>>>
>>> diff --git a/Documentation/devicetree/bindings/ata/cirrus,ep9312-pata.yaml b/Documentation/devicetree/bindings/ata/cirrus,ep9312-pata.yaml
>>> new file mode 100644
>>> index 000000000000..3489be55a6fe
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/ata/cirrus,ep9312-pata.yaml
>>> @@ -0,0 +1,44 @@
>>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>>> +%YAML 1.2
>>> +---
>>> +$id: http://devicetree.org/schemas/ata/cirrus,ep9312-pata.yaml#
>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>> +
>>> +title: Cirrus Logic EP9312 PATA controller
>>> +
>>> +maintainers:
>>> +  - Damien Le Moal <dlemoal@xxxxxxxxxx>
>>> +
>>> +properties:
>>> +  compatible:
>>> +    oneOf:
>>> +      - const: cirrus,ep9312-pata
>>
>> I am not a DT specialist, but isn't this line superfluous since it is listed in
>> the items ?
> 
> No, this entry is for ep9312. The next entry is for ep9315 which is 
> compatible with ep9312 version. The cirrus,ep9315-pata is there in case 
> a distinction (e.g. quirk/errata) needs to be made by the driver 
> without having to change the DT.

Thanks for all the clarification.

Looks good then.

Acked-by: Damien Le Moal <dlemoal@xxxxxxxxxx>

I can take this patch through the ata tree, but it may be better to have it with
the entire series (arm tree ?)

-- 
Damien Le Moal
Western Digital Research




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