linux-kernel - Re: [PATCH v4 1/3] dt-bindings: usb: add rk3588 compatible to rockchip,dwc3

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Date:   Mon, 23 Oct 2023 17:42:05 -0500
From:   Rob Herring <robh@...nel.org>
To:     Sebastian Reichel <sebastian.reichel@...labora.com>
Cc:     Conor Dooley <conor@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-rockchip@...ts.infradead.org, linux-usb@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, kernel@...labora.com
Subject: Re: [PATCH v4 1/3] dt-bindings: usb: add rk3588 compatible to
 rockchip,dwc3

On Mon, Oct 23, 2023 at 02:18:03AM +0200, Sebastian Reichel wrote:
> Hi Rob,
> 
> On Sun, Oct 22, 2023 at 04:42:19PM -0500, Rob Herring wrote:
> > On Fri, Oct 20, 2023 at 06:03:29PM +0200, Sebastian Reichel wrote:
> > > On Fri, Oct 20, 2023 at 04:36:19PM +0100, Conor Dooley wrote:
> > > > On Fri, Oct 20, 2023 at 04:11:40PM +0200, Sebastian Reichel wrote:
> > > > > [...]
> > > > > +allOf:
> > > > > +  - $ref: snps,dwc3.yaml#
> > > > > +  - if:
> > > > > +      properties:
> > > > > +        compatible:
> > > > > +          contains:
> > > > > +            const: rockchip,rk3328-dwc3
> > > > > +    then:
> > > > > +      properties:
> > > > > +        clocks:
> > > > > +          minItems: 3
> > > > > +          maxItems: 4
> > > > > +        clock-names:
> > > > > +          minItems: 3
> > > > > +          items:
> > > > > +            - const: ref_clk
> > > > > +            - const: suspend_clk
> > > > > +            - const: bus_clk
> > > > > +            - const: grf_clk
> > > > 
> > > > minItems for clocks and clock-names is already 3, is it not?
> > > 
> > > Yes, but the following 'maxItems: 4' implicitly sets it to 4,
> > > so I had to set it again. The same is true for clock-names -
> > > providings new 'items:' effectively drops the "minItems: 3"
> > > from the generic section.
> > 
> > Are you sure? We don't add anything implicit in the if/then schemas. 
> > Could be a tool issue though.
> 
> I had this issue in the past. But just in case I also did a re-test
> before sending my last mail and I did get a warning. So yes, I'm
> quite sure :)

Well, I'm quite surprised no one else noticed. Anyways, I'm working on a 
fix for it. In the meantime, just leave it as you have it.

Note that there's an existing error in this binding I noticed in the 
example. The clocks and clock-names lengths don't match.

Rob