linux-kernel - Re: [RFC PATCH v1 2/3] dt-bindings: power: reset: gpio-restart: Add -ms suffix to delays

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Message-ID: <41a6c9cde0351cefaa6b060b7f7ccf5484d4e00b.camel@svanheule.net>
Date:   Mon, 10 Jan 2022 21:55:36 +0100
From:   Sander Vanheule <sander@...nheule.net>
To:     Rob Herring <robh@...nel.org>
Cc:     linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        Sebastian Reichel <sre@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v1 2/3] dt-bindings: power: reset: gpio-restart: Add
 -ms suffix to delays

Hi Rob,

On Mon, 2022-01-10 at 14:38 -0600, Rob Herring wrote:
> On Thu, Dec 30, 2021 at 07:06:02PM +0100, Sander Vanheule wrote:
> > The delay properties are expressed in milliseconds, so the property
> > names should have a -ms suffix. Add the suffix, and deprecate the
> > original properties.
> > 
> > Signed-off-by: Sander Vanheule <sander@...nheule.net>
> > ---
> >  .../bindings/power/reset/gpio-restart.yaml    | 27 ++++++++++++-------
> >  1 file changed, 18 insertions(+), 9 deletions(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/power/reset/gpio-restart.yaml
> > b/Documentation/devicetree/bindings/power/reset/gpio-restart.yaml
> > index 6a1f4aeebf49..13827fe7b395 100644
> > --- a/Documentation/devicetree/bindings/power/reset/gpio-restart.yaml
> > +++ b/Documentation/devicetree/bindings/power/reset/gpio-restart.yaml
> > @@ -62,17 +62,26 @@ properties:
> >              restart handlers
> >  
> >    active-delay:
> > -    $ref: /schemas/types.yaml#/definitions/uint32
> > -    description: Delay (default 100) to wait after driving gpio active [ms]
> > +    $ref: '#/properties/active-delay-ms'
> 
> While 'active-delay-ms' has a type because '.*-ms' has a type, you just 
> removed the type for this property. Now 'active-delay = "foo"' is valid.

Good to know, I would've expected the type to be inherited.

> While it would be nice to change this, we're pretty much stuck with it 
> forever. I don't think supporting both versions in the kernel is worth 
> it.

Figured as much. I'll just keep patch 3/3 then.

Thanks for the feedback!

Best,
Sander