Re: [PATCH] dt-binding: touchscreen: fix x-plat-ohm missing type definition

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On 09/09/2024 14:48, Sayyad Abid wrote:
> On Mon, Sep 9, 2024 at 1:36 PM Sayyad Abid <sayyad.abid16@xxxxxxxxx> wrote:
>>
>> On Mon, Sep 9, 2024 at 1:21 PM Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote:
>>>
>>> On 09/09/2024 09:48, Sayyad Abid wrote:
>>>> On Mon, Sep 9, 2024 at 12:02 PM Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote:
>>>>>
>>>>> On Sun, Sep 08, 2024 at 08:47:43PM +0530, Sayyad Abid wrote:
>>>>>> This patch fixes the issue with x-plat-ohm missing a type definition.
>>>>>> The patch adds the fix for this issue by adding value of this property
>>>>>
>>>>> You repeated twice the same while it is unclear why this is missing.
>>>> I must have overlooked it, my bad.
>>>
>>> Keep discussion public.
>> I am away form my desktop and trying to reply with Gmail's client,
>> I use mutt otherwise hence the trouble. I hit 'reply' instead of 'reply all'.
>>>
>>>>>
>>>>> Also:
>>>>> Please do not use "This commit/patch/change", but imperative mood. See
>>>>> longer explanation here:
>>>>> https://elixir.bootlin.com/linux/v5.17.1/source/Documentation/process/submitting-patches.rst#L95
>>>> Okay, I'll refer to this article for any further patches. Thank you!
>>>>>
>>>>>
>>>>>> should be a 32-bit unsigned integer.
>>>>>>
>>>>>> Signed-off-by: Sayyad Abid <sayyad.abid16@xxxxxxxxx>
>>>>>>
>>>>>> ---
>>>>>>  .../devicetree/bindings/input/touchscreen/ti,tsc2005.yaml       | 2 ++
>>>>>>  1 file changed, 2 insertions(+)
>>>>>>
>>>>>> diff --git a/Documentation/devicetree/bindings/input/touchscreen/ti,tsc2005.yaml b/Documentation/devicetree/bindings/input/touchscreen/ti,tsc2005.yaml
>>>>>> index 7187c390b2f5..98ff65cf9f9f 100644
>>>>>> --- a/Documentation/devicetree/bindings/input/touchscreen/ti,tsc2005.yaml
>>>>>> +++ b/Documentation/devicetree/bindings/input/touchscreen/ti,tsc2005.yaml
>>>>>> @@ -38,6 +38,8 @@ properties:
>>>>>>
>>>>>>    ti,x-plate-ohms:
>>>>>>      description: resistance of the touchscreen's X plates in ohm (defaults to 280)
>>>>>
>>>>>> +    $ref: /schemas/types.yaml#/definitions/uint32
>>>>>
>>>>> $ref should not be needed, so what is exactly missing? Provide some
>>>>> sort of proof that you are fixing real issue.
>>>> I ran dt_bindings_check on the file which resulted in a warning
>>>> "x-plate-ohm : missing type definition", to resolve this warning I
>>>> looked at the other yaml files in the ti,txc2005.yaml directory
>>>> (/Documentation/devicetree/bindings/input/touchscreen/), Where I found
>>>> out that one of the TI's touchscreen (ti,am3359) binding used $ref
>>>> property for the similar "x-plate-resistance" property.
>>>>
>>>> Adding the $ref resolved the warnings.
>>>
>>> You run some older dtschema.
>> I'll update this and check again.
> So I did a full clean clone of the kernel repo and followed the
> dtschema installation
> as mentioned in the Linux Kernel Documentation.
> Running the dt_binding_check resulted in the same warning.

The dtschema change fixing this ("schemas: property-units: Exclude some
non-conforming properties") is not yet in a released version, so I
suggest do nothing or try the latest dtschema from master. But in any
case this change does not look good. ohms should not have a ref, so even
if this warning is legitimate, the fix should be probably different.

Best regards,
Krzysztof





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