Re: [PATCH v3] dt-bindings: opp: Allow multi-worded OPP entry names

From: Dmitry Osipenko
Date: Thu Oct 28 2021 - 17:13:07 EST


28.10.2021 00:19, Rob Herring пишет:
> On Mon, Oct 25, 2021 at 12:57:18AM +0300, Dmitry Osipenko wrote:
>> Not all OPP entries fit into a single word. In particular NVIDIA Tegra OPP
>> tables use multi-word names where first part is freq and second voltage
>> because different hardware versions use different voltages for the same
>> freqs. Allow OPP entry to have multi-worded name separated by hyphen.
>> This silences DT checker warnings about wrong naming scheme.
>>
>> Reviewed-by: David Heidelberg <david@xxxxxxx>
>> Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
>> ---
>>
>> Changelog:
>>
>> v3: - Viresh Kumar suggested that we shouldn't support postfix variant.
>> I dropped variant with postfix naming scheme and multi-wording
>> support of table names.
>>
>> v2: - In addition to a multi-wording support, support of the postfix
>> *-opp-table naming scheme is added to the updated pattern.
>>
>> Documentation/devicetree/bindings/opp/opp-v2-base.yaml | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/Documentation/devicetree/bindings/opp/opp-v2-base.yaml b/Documentation/devicetree/bindings/opp/opp-v2-base.yaml
>> index ae3ae4d39843..f79343960539 100644
>> --- a/Documentation/devicetree/bindings/opp/opp-v2-base.yaml
>> +++ b/Documentation/devicetree/bindings/opp/opp-v2-base.yaml
>> @@ -33,7 +33,7 @@ properties:
>> type: boolean
>>
>> patternProperties:
>> - '^opp-?[0-9]+$':
>> + '^opp(-[0-9]+)*$':
>
> This drops support for cases like 'opp1' which there are a ton of. It
> should be '^opp(-?[0-9]+)*$' if we want to keep that support.
>
> I'd love to be stricter, but trying to find a balance.

Good catch, let me make v4.