DMA Engine development
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From: "Pandey, Radhey Shyam" <radheys@amd.com>
To: "Rob Herring (Arm)" <robh@kernel.org>,
	Vinod Koul <vkoul@kernel.org>, Frank Li <Frank.Li@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Michal Simek <michal.simek@amd.com>,
	Shyam Pandey <radhey.shyam.pandey@amd.com>,
	Abin Joseph <abin.joseph@amd.com>
Cc: dmaengine@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] dt-bindings: dma: xilinx: Fix "xlnx,irq-delay" type
Date: Sat, 13 Jun 2026 20:18:49 +0530	[thread overview]
Message-ID: <824dfd2d-cc7e-441e-9635-4004da298f73@amd.com> (raw)
In-Reply-To: <20260612215226.1887726-1-robh@kernel.org>

> "xlnx,irq-delay" programs an 8-bit delay field in the DMA control
> register, and the driver stores and reads it as a byte. The binding
> described the property as a uint32 cell, which made the helper type
> check report the driver as wrong.
> 
> Document "xlnx,irq-delay" as uint8 so the generated schema reflects
> the hardware field width and the existing driver access.
> 
> Assisted-by: Codex:gpt-5-5
> Signed-off-by: Rob Herring (Arm) <robh@kernel.org>

Reviewed-by: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
Thanks!

> ---
>   Documentation/devicetree/bindings/dma/xilinx/xlnx,axi-dma.yaml | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/dma/xilinx/xlnx,axi-dma.yaml b/Documentation/devicetree/bindings/dma/xilinx/xlnx,axi-dma.yaml
> index 340ae9e91cb0..ba0fc515d825 100644
> --- a/Documentation/devicetree/bindings/dma/xilinx/xlnx,axi-dma.yaml
> +++ b/Documentation/devicetree/bindings/dma/xilinx/xlnx,axi-dma.yaml
> @@ -93,7 +93,7 @@ properties:
>         Width in bits of the length register as configured in hardware.
>   
>     xlnx,irq-delay:
> -    $ref: /schemas/types.yaml#/definitions/uint32
> +    $ref: /schemas/types.yaml#/definitions/uint8
>       minimum: 0
>       maximum: 255
>       description:


      reply	other threads:[~2026-06-13 14:49 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-12 21:52 [PATCH] dt-bindings: dma: xilinx: Fix "xlnx,irq-delay" type Rob Herring (Arm)
2026-06-13 14:48 ` Pandey, Radhey Shyam [this message]

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