netdev - Re: [PATCH net-next v2 09/10] dt-bindings: net: snps,dwmac: add per channel irq support

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Date: Tue, 8 Aug 2023 08:39:58 +0100
From: Conor Dooley <conor@...nel.org>
To: Jisheng Zhang <jszhang@...nel.org>
Cc: "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>,
	Giuseppe Cavallaro <peppe.cavallaro@...com>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Jose Abreu <joabreu@...opsys.com>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH net-next v2 09/10] dt-bindings: net: snps,dwmac: add per
 channel irq support

On Tue, Aug 08, 2023 at 12:41:50AM +0800, Jisheng Zhang wrote:
> The IP supports per channel interrupt, add support for this usage case.
> 
> Signed-off-by: Jisheng Zhang <jszhang@...nel.org>
> ---
>  .../devicetree/bindings/net/snps,dwmac.yaml   | 33 +++++++++++++++++++
>  1 file changed, 33 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
> index 5d81042f5634..5a63302ad200 100644
> --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
> +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
> @@ -109,6 +109,7 @@ properties:
>        - description: The interrupt that occurs when Rx exits the LPI state
>        - description: The interrupt that occurs when Safety Feature Correctible Errors happen
>        - description: The interrupt that occurs when Safety Feature Uncorrectible Errors happen
> +      - description: All of the rx/tx per-channel interrupts
>  
>    interrupt-names:
>      minItems: 1
> @@ -118,6 +119,38 @@ properties:
>        - const: eth_lpi
>        - const: sfty_ce
>        - const: sfty_ue
> +      - const: rx0
> +      - const: rx1
> +      - const: rx2
> +      - const: rx3
> +      - const: rx4
> +      - const: rx5
> +      - const: rx6
> +      - const: rx7
> +      - const: rx8
> +      - const: rx9
> +      - const: rx10
> +      - const: rx11
> +      - const: rx12
> +      - const: rx13
> +      - const: rx14
> +      - const: rx15
> +      - const: tx0
> +      - const: tx1
> +      - const: tx2
> +      - const: tx3
> +      - const: tx4
> +      - const: tx5
> +      - const: tx6
> +      - const: tx7
> +      - const: tx8
> +      - const: tx9
> +      - const: tx10
> +      - const: tx11
> +      - const: tx12
> +      - const: tx13
> +      - const: tx14
> +      - const: tx15

I don't think Rob's comment about having added 2 interrupts but 32
interrupt names has been resolved.
Did you actually test putting this many interrupts into a node?
AFAICT, any more than 6 will cause complaints.

Thanks,
Conor.

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