Re: Re: [PATCH net v2] dt-bindings: ethernet: eswin: fix hsp-sp-csr backward compatibility

[李志 <lizhi2@eswincomputing.com>]

> -----Original Messages-----
> From: "Rob Herring" <robh@kernel.org>
> Send time:Tuesday, 02/06/2026 05:34:06
> To: lizhi2@eswincomputing.com
> Cc: andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, krzk+dt@kernel.org, conor+dt@kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, ningyu@eswincomputing.com, linmin@eswincomputing.com, pinkesh.vaghela@einfochips.com, pritesh.patel@einfochips.com, weishangjuan@eswincomputing.com, sashiko-bot@kernel.org, "Krzysztof Kozlowski" <krzysztof.kozlowski@oss.qualcomm.com>
> Subject: Re: [PATCH net v2] dt-bindings: ethernet: eswin: fix hsp-sp-csr backward compatibility
> 
> On Mon, Jun 01, 2026 at 11:28:52AM +0800, lizhi2@eswincomputing.com wrote:
> > From: Zhi Li <lizhi2@eswincomputing.com>
> > 
> > c36069c6f46c added two optional cells to eswin,hsp-sp-csr, but
> > omitted minItems: 4.
> 
> Please run checkpatch.pl and fix the issue it reports with the commit 
> reference.
> 

Thanks for pointing this out.

I'll fix it and send a v3.

> > 
> > As a result, dt-schema implicitly required all 6 cells, which
> > broke backward compatibility with existing 4-cell device trees.
> > 
> > Add minItems: 4 to preserve backward compatibility.
> > 
> > Fixes: c36069c6f46c ("dt-bindings: ethernet: eswin: add optional TXD and RXD delay register offsets")
> > Reported-by: Sashiko AI <sashiko-bot@kernel.org>
> > Closes: https://lore.kernel.org/all/20260519022334.35742C2BCB7@smtp.kernel.org/
> > Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
> > Signed-off-by: Zhi Li <lizhi2@eswincomputing.com>
> > ---
> > Changes in v2:
> >   - Reference c36069c6f46c explicitly instead of "previous change".
> >   - Improve commit message formatting and line wrapping.
> >   - No functional change.
> >   - Link to v1:
> >     https://lore.kernel.org/lkml/20260525052441.1637-1-lizhi2@eswincomputing.com/
> > ---
> >  Documentation/devicetree/bindings/net/eswin,eic7700-eth.yaml | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/net/eswin,eic7700-eth.yaml b/Documentation/devicetree/bindings/net/eswin,eic7700-eth.yaml
> > index b66ae6300faf..65882ff79d8d 100644
> > --- a/Documentation/devicetree/bindings/net/eswin,eic7700-eth.yaml
> > +++ b/Documentation/devicetree/bindings/net/eswin,eic7700-eth.yaml
> > @@ -84,7 +84,8 @@ properties:
> >        This reference is provided for background information only.
> >      $ref: /schemas/types.yaml#/definitions/phandle-array
> >      items:
> > -      - items:
> > +      - minItems: 4
> > +        items:
> >            - description: Phandle to HSP(High-Speed Peripheral) device
> >            - description: Offset of phy control register for internal
> >                           or external clock selection
> > -- 
> > 2.25.1
> > 
> >