Re: [PATCH 1/2] dt-bindings: arm: fsl: rename gw7905 to gw75xx

[Conor Dooley]

On Thu, May 23, 2024 at 04:04:50PM -0700, Tim Harvey wrote:
> On Thu, May 23, 2024 at 7:47 AM Conor Dooley <conor@xxxxxxxxxx> wrote:
> >
> > On Thu, May 23, 2024 at 09:02:46AM +0200, Krzysztof Kozlowski wrote:
> > > On 22/05/2024 23:50, Tim Harvey wrote:
> > > > The GW7905 was renamed to GW7500 before production release.
> > > >
> > > > Signed-off-by: Tim Harvey <tharvey@xxxxxxxxxxxxx>
> > > > ---
> > > >  Documentation/devicetree/bindings/arm/fsl.yaml | 4 ++--
> > > >  1 file changed, 2 insertions(+), 2 deletions(-)
> > > >
> > > > diff --git a/Documentation/devicetree/bindings/arm/fsl.yaml b/Documentation/devicetree/bindings/arm/fsl.yaml
> > > > index 0027201e19f8..d8bc295079e3 100644
> > > > --- a/Documentation/devicetree/bindings/arm/fsl.yaml
> > > > +++ b/Documentation/devicetree/bindings/arm/fsl.yaml
> > > > @@ -920,8 +920,8 @@ properties:
> > > >                - fsl,imx8mm-ddr4-evk       # i.MX8MM DDR4 EVK Board
> > > >                - fsl,imx8mm-evk            # i.MX8MM EVK Board
> > > >                - fsl,imx8mm-evkb           # i.MX8MM EVKB Board
> > > > +              - gateworks,imx8mm-gw75xx-0x # i.MX8MM Gateworks Board
> > >
> > > That's not even equivalent. You 7500 != 75xx.
> > >
> >
> > > >                - gateworks,imx8mm-gw7904
> > > > -              - gateworks,imx8mm-gw7905-0x # i.MX8MM Gateworks Board
> > >
> > > Compatibles do not change. It's just a string. Fixed string.
> >
> > I think there's justification here for removing it, per the commit
> > message, the rename happened before the device was available to
> > customers.
> > Additionally, I think we can give people that upstream things before they're
> > publicly available a bit of slack, otherwise we're just discouraging
> > people from upstreaming early.
> 
> Hi Conor,
> 
> Thanks for understanding - that's exactly what happened. I'm in the
> habit of submitting patches early and often and it's no fun when
> something like a silly product name gets changed and breaks all the
> hard work.
> 
> The board model number is stored in an EEPROM at manufacturing time
> and that EEPROM model is used to build a dt name. So instead of GW7905
> which would be a one-off custom design it was decided to change the
> product to a GW75xx. The difference between GW7500 and GW75xx is
> because we subload components on boards between GW7500/GW7501/GW7502
> etc but the dt is the same.
> 
> If there is resistance to a patch that renames it then I guess I'll
> have to submit a patch that removes the obsolete board, then adds back
> the same board under a different name. Shall I do that?

I think this patch is fine - other than the inconsistency that Krzysztof
pointed out between the "renamed to gw7500" and the "gw75xx" in the new
compatible.

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