linux-kernel - Re: [PATCH 1/2] dt-bindings: net: fsl,fman: allow dma-coherence property

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Date: Mon, 1 Jul 2024 11:26:27 -0600
From: Rob Herring <robh@...nel.org>
To: Frank Li <Frank.Li@....com>
Cc: Madalin Bucur <madalin.bucur@....com>,
	Sean Anderson <sean.anderson@...o.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	"open list:FREESCALE QORIQ DPAA FMAN DRIVER" <netdev@...r.kernel.org>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" <devicetree@...r.kernel.org>,
	open list <linux-kernel@...r.kernel.org>, imx@...ts.linux.dev
Subject: Re: [PATCH 1/2] dt-bindings: net: fsl,fman: allow dma-coherence
 property

On Fri, Jun 28, 2024 at 05:37:10PM -0400, Frank Li wrote:
> Add dma-coherence property to fix below warning.

'dma-coherent property' or 'DMA coherence property'.

> arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var1.dtb: dma-controller@...0000: '#dma-cells' is a required property

That doesn't look related...

>         from schema $id: http://devicetree.org/schemas/dma/fsl-qdma.yaml#
> 
> Signed-off-by: Frank Li <Frank.Li@....com>
> ---
>  Documentation/devicetree/bindings/net/fsl,fman.yaml | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/fsl,fman.yaml b/Documentation/devicetree/bindings/net/fsl,fman.yaml
> index 7908f67413dea..f0261861f3cb2 100644
> --- a/Documentation/devicetree/bindings/net/fsl,fman.yaml
> +++ b/Documentation/devicetree/bindings/net/fsl,fman.yaml
> @@ -78,6 +78,8 @@ properties:
>        - description: The first element is associated with the event interrupts.
>        - description: the second element is associated with the error interrupts.
>  
> +  dma-coherent: true
> +
>    fsl,qman-channel-range:
>      $ref: /schemas/types.yaml#/definitions/uint32-array
>      description:
> -- 
> 2.34.1
>