netdev - Re: [PATCH net-next v3 1/2] dt-bindings: net: airoha: npu: Add BA memory region

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Message-ID: <aWYDd4Pwi84gA6zy@lore-desk>
Date: Tue, 13 Jan 2026 09:33:59 +0100
From: Lorenzo Bianconi <lorenzo@...nel.org>
To: Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: netdev@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH net-next v3 1/2] dt-bindings: net: airoha: npu: Add BA
 memory region

> Introduce Block Ack memory region used by NPU MT7996 (Eagle) offloading.
> 
> Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
> ---
>  .../devicetree/bindings/net/airoha,en7581-npu.yaml  | 21 +++++++++++----------
>  1 file changed, 11 insertions(+), 10 deletions(-)

Hi Rob, Krzysztof and Conor,

Since this patch has been marked as 'needs ack' on patchwork, do you have any
comments on it? Thanks in advance.

Regards,
Lorenzo

> 
> diff --git a/Documentation/devicetree/bindings/net/airoha,en7581-npu.yaml b/Documentation/devicetree/bindings/net/airoha,en7581-npu.yaml
> index 59c57f58116b568092446e6cfb7b6bd3f4f47b82..19860b41286fd42f2a5ed15d5dc75ee0eb00a639 100644
> --- a/Documentation/devicetree/bindings/net/airoha,en7581-npu.yaml
> +++ b/Documentation/devicetree/bindings/net/airoha,en7581-npu.yaml
> @@ -42,14 +42,13 @@ properties:
>        - description: wlan irq line5
>  
>    memory-region:
> -    oneOf:
> -      - items:
> -          - description: NPU firmware binary region
> -      - items:
> -          - description: NPU firmware binary region
> -          - description: NPU wlan offload RX buffers region
> -          - description: NPU wlan offload TX buffers region
> -          - description: NPU wlan offload TX packet identifiers region
> +    items:
> +      - description: NPU firmware binary region
> +      - description: NPU wlan offload RX buffers region
> +      - description: NPU wlan offload TX buffers region
> +      - description: NPU wlan offload TX packet identifiers region
> +      - description: NPU wlan Block Ack buffers region
> +    minItems: 1
>  
>    memory-region-names:
>      items:
> @@ -57,6 +56,8 @@ properties:
>        - const: pkt
>        - const: tx-pkt
>        - const: tx-bufid
> +      - const: ba
> +    minItems: 1
>  
>  required:
>    - compatible
> @@ -93,7 +94,7 @@ examples:
>                       <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
>                       <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
>          memory-region = <&npu_firmware>, <&npu_pkt>, <&npu_txpkt>,
> -                        <&npu_txbufid>;
> -        memory-region-names = "firmware", "pkt", "tx-pkt", "tx-bufid";
> +                        <&npu_txbufid>, <&npu_ba>;
> +        memory-region-names = "firmware", "pkt", "tx-pkt", "tx-bufid", "ba";
>        };
>      };
> 
> -- 
> 2.52.0
> 

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