netdev - Re: [PATCH net] dt-bindings: net: snps,stmmac: Fix inconsistencies in some properties belonging to stmmac-axi-config

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Date:   Wed, 11 Jan 2023 10:19:00 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Marek Vasut <marex@...x.de>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] dt-bindings: net: snps,stmmac: Fix inconsistencies in
 some properties belonging to stmmac-axi-config

On 11/01/2023 03:26, Kunihiko Hayashi wrote:
> The description of some properties in stmmac-axi-config don't match the
> behavior of the corresponding driver. Fix the inconsistencies by fixing
> the dt-schema.
> 
> Fixes: 5361660af6d3 ("dt-bindings: net: snps,dwmac: Document stmmac-axi-config subnode")
> Fixes: afea03656add ("stmmac: rework DMA bus setting and introduce new platform AXI structure")
> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>

NAK.

I don't understand what do you mean by "corresponding driver". Driver
uses existing properties in current next.

> ---
>  .../devicetree/bindings/net/snps,dwmac.yaml      | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)
> 
> In this patch the definition of the corresponding driver is applied.
> If applying the definition of the devicetree, we need to change the driver
> instead of this patch.
> 
> diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
> index e88a86623fce..2332bf7cfcd4 100644
> --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
> +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
> @@ -158,11 +158,11 @@ properties:
>          * snps,xit_frm, unlock on WoL
>          * snps,wr_osr_lmt, max write outstanding req. limit
>          * snps,rd_osr_lmt, max read outstanding req. limit
> -        * snps,kbbe, do not cross 1KiB boundary.
> +        * snps,axi_kbbe, do not cross 1KiB boundary.
>          * snps,blen, this is a vector of supported burst length.
> -        * snps,fb, fixed-burst
> -        * snps,mb, mixed-burst
> -        * snps,rb, rebuild INCRx Burst
> +        * snps,axi_fb, fixed-burst
> +        * snps,axi_mb, mixed-burst
> +        * snps,axi_rb, rebuild INCRx Burst
>  
>    snps,mtl-rx-config:
>      $ref: /schemas/types.yaml#/definitions/phandle
> @@ -516,7 +516,7 @@ properties:
>          description:
>            max read outstanding req. limit
>  
> -      snps,kbbe:
> +      snps,axi_kbbe:

There is no such property. Driver parses snps,kbbe. What's more you
introduce invalid character - underscore - for property name.


Best regards,
Krzysztof