netdev - Re: [PATCH net-next v8 4/9] dt-bindings: net: convert hisi-femac.txt to YAML

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Date: Wed, 6 Mar 2024 08:39:33 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: forbidden405@...look.com, Yisen Zhuang <yisen.zhuang@...wei.com>,
 Salil Mehta <salil.mehta@...wei.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>,
 Conor Dooley <conor+dt@...nel.org>, Andrew Lunn <andrew@...n.ch>,
 Heiner Kallweit <hkallweit1@...il.com>, Russell King <linux@...linux.org.uk>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
 devicetree@...r.kernel.org
Subject: Re: [PATCH net-next v8 4/9] dt-bindings: net: convert hisi-femac.txt
 to YAML

On 05/03/2024 08:51, Yang Xiwen via B4 Relay wrote:
> From: Yang Xiwen <forbidden405@...look.com>
> 
> Convert the old text binding to new YAML.
> 
> While at it, make some changes to the binding:
> - The version numbers are not documented publicly. The version also does
> not change programming interface. Remove it until it's really needed.
> - A few clocks are missing in old binding file. Add them to match the real
> hardware.
> 
> Signed-off-by: Yang Xiwen <forbidden405@...look.com>
> ---
>  .../bindings/net/hisilicon,hisi-femac.yaml         | 89 ++++++++++++++++++++++
>  .../devicetree/bindings/net/hisilicon-femac.txt    | 41 ----------
>  2 files changed, 89 insertions(+), 41 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/net/hisilicon,hisi-femac.yaml b/Documentation/devicetree/bindings/net/hisilicon,hisi-femac.yaml
> new file mode 100644
> index 000000000000..ba207f2c9ae4
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/hisilicon,hisi-femac.yaml
> @@ -0,0 +1,89 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/hisilicon,hisi-femac.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Hisilicon Fast Ethernet MAC controller
> +
> +maintainers:
> +  - Yang Xiwen <forbidden405@...mail.com>
> +
> +allOf:
> +  - $ref: ethernet-controller.yaml
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +          - hisilicon,hi3516cv300-femac
> +      - const: hisilicon,hisi-femac

Drop this fallback, your later driver change does not use it, so neither
should have binding. Explain in commit msg, that old binding was
incorrect (we discussed it a lot) thus you are making such change during
conversion.

Best regards,
Krzysztof