netdev - Re: [PATCH net-next v6 04/11] dt-bindings: net: convert hisi-femac.txt to YAML

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Date: Thu, 29 Feb 2024 09:05:33 +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 v6 04/11] dt-bindings: net: convert
 hisi-femac.txt to YAML

On 28/02/2024 10:02, Yang Xiwen via B4 Relay wrote:
> From: Yang Xiwen <forbidden405@...look.com>
> 
> convert the old text biinding to new YAML. No semantic change.

Typo: binding. Also missing capital letter.

> 
> Signed-off-by: Yang Xiwen <forbidden405@...look.com>
> ---
>  .../bindings/net/hisilicon,hisi-femac.yaml         | 82 ++++++++++++++++++++++
>  .../devicetree/bindings/net/hisilicon-femac.txt    | 41 -----------
>  2 files changed, 82 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..016e9e409a30
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/hisilicon,hisi-femac.yaml
> @@ -0,0 +1,82 @@
> +# 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
> +      - enum:
> +          - hisilicon,hisi-femac-v1
> +          - hisilicon,hisi-femac-v2

This does not make sense. You cannot have two fallbacks. Old binding was
here confusing or even incorrect, so please fix this in the conversion.
It's fine to do the conversion and change, just explain what is done
here and why.

> +
> +  reg:
> +    items:
> +      - description: The first region is the MAC core register base and size.
> +      - description: The second region is the global MAC control register.
> +
> +  interrupts:
> +    maxItems: 1
> +

Best regards,
Krzysztof