linux-kernel - Re: [PATCH 1/2] dt-bindings: pinctrl: samsung: google,gs101-pinctrl needs a clock

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Date: Fri, 26 Apr 2024 12:56:28 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: André Draszik <andre.draszik@...aro.org>,
 Sylwester Nawrocki <s.nawrocki@...sung.com>,
 Alim Akhtar <alim.akhtar@...sung.com>,
 Linus Walleij <linus.walleij@...aro.org>, Rob Herring <robh@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Tomasz Figa <tomasz.figa@...il.com>,
 Peter Griffin <peter.griffin@...aro.org>, semen.protsenko@...aro.org
Cc: Tudor Ambarus <tudor.ambarus@...aro.org>,
 Will McVicker <willmcvicker@...gle.com>, kernel-team@...roid.com,
 linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org,
 linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: pinctrl: samsung: google,gs101-pinctrl
 needs a clock

On 26/04/2024 12:54, André Draszik wrote:
> On Thu, 2024-04-25 at 20:18 +0200, Krzysztof Kozlowski wrote:
>> On 25/04/2024 20:15, Krzysztof Kozlowski wrote:
>>>> +      properties:
>>>> +        compatible:
>>>> +          contains:
>>>> +            const: google,gs101-pinctrl
>>>> +    then:
>>>> +      required:
>>>> +        - clocks
>>>> +        - clock-names
>>>
>>> else:
>>>   properties:
>>>     clocks: false
>>>     clock-names: false
>>>
>>> but anyway this is all a bit fragile, because pinctrl is not a driver
>>> and you rely on initcall ordering.
>>
>> It is a driver, although initcall ordering is still there. Anyway, it's
>> the first soc requiring clock for pinctrl
> 
> If I see it right, E850 has similar gates, and like on gs101 they're currently
> also all marked as CLK_IGNORE_UNUSED in the e850 clock driver with a comment that
> a driver update is needed. I've added Sam.

Cool, so this should solve also Sam's problem. Sam, can you test the
patchset in spare time?

Best regards,
Krzysztof