linux-kernel - Re: [PATCH 1/2] dt-bindings: i3c: Fix silvaco,i3c-master compatible string

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Date:   Mon, 16 Oct 2023 15:32:31 -0400
From:   Frank Li <Frank.li@....com>
To:     Conor Dooley <conor@...nel.org>
Cc:     miquel.raynal@...tlin.com, conor.culhane@...vaco.com,
        alexandre.belloni@...tlin.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-imx@....com, joe@...ches.com,
        peng.fan@....com, alexander.stein@...tq-group.com,
        haibo.chen@....com, ping.bai@....com, xiaoning.wang@....com,
        sherry.sun@....com, linux-i3c@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, imx@...ts.linux.dev
Subject: Re: [PATCH 1/2] dt-bindings: i3c: Fix silvaco,i3c-master compatible
 string

On Mon, Oct 16, 2023 at 06:30:11PM +0100, Conor Dooley wrote:
> On Mon, Oct 16, 2023 at 11:24:49AM -0400, Frank Li wrote:
> > In driver, compatible string is silvaco,i3c-master instead of
> > silvaco,i3c-master-v1.
> 
> And what makes the driver right & the binding wrong? AFAICT, this is an
> IP sold by silvaco & the -v1 suffix was explicitly requested during
> review of the binding.

The driver existed for the long time. DTS files already use
silvaco,i3c-master.

There are two options, one change doc, the other change dts and drivers.
I think change doc is easiest ways.

If there are v2 in future, we can added silvaco,i3c-master-v2 in future.

If everyone prefer change drivers and dts, I can work on new patch. Just
break back compatiblity.

Frank

> 
> Thanks,
> Conor.
> 
> > 
> > Signed-off-by: Frank Li <Frank.Li@....com>
> > ---
> >  Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml b/Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml
> > index 133855f11b4f..19e3f75eb45c 100644
> > --- a/Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml
> > +++ b/Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml
> > @@ -14,7 +14,7 @@ allOf:
> >  
> >  properties:
> >    compatible:
> > -    const: silvaco,i3c-master-v1
> > +    const: silvaco,i3c-master
> >  
> >    reg:
> >      maxItems: 1
> > @@ -49,7 +49,7 @@ unevaluatedProperties: false
> >  examples:
> >    - |
> >      i3c-master@...00000 {
> > -        compatible = "silvaco,i3c-master-v1";
> > +        compatible = "silvaco,i3c-master";
> >          clocks = <&zynqmp_clk 71>, <&fclk>, <&sclk>;
> >          clock-names = "pclk", "fast_clk", "slow_clk";
> >          interrupt-parent = <&gic>;
> > -- 
> > 2.34.1
> >