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From: Krzysztof Kozlowski <krzk@kernel.org>
To: Jisheng Zhang <jszhang@kernel.org>, Vinod Koul <vkoul@kernel.org>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Robin Murphy <robin.murphy@arm.com>
Cc: dmaengine@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 08/14] dt-bindings: dma: dma350: Document interrupt-names
Date: Sat, 23 Aug 2025 18:09:22 +0200	[thread overview]
Message-ID: <eda79403-375b-4d49-9fec-12bc98bf9e47@kernel.org> (raw)
In-Reply-To: <20250823154009.25992-9-jszhang@kernel.org>

On 23/08/2025 17:40, Jisheng Zhang wrote:
> Currently, the dma350 driver assumes all channels are available to
> linux, this may not be true on some platforms, so it's possible no
> irq(s) for the unavailable channel(s). What's more, the available
> channels may not be continuous. To handle this case, we'd better
> get the irq of each channel by name.

You did not solve the actual problem - binding still lists the
interrupts in specific order.

> 
> Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
> ---
>  Documentation/devicetree/bindings/dma/arm,dma-350.yaml | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/dma/arm,dma-350.yaml b/Documentation/devicetree/bindings/dma/arm,dma-350.yaml
> index 429f682f15d8..94752516e51a 100644
> --- a/Documentation/devicetree/bindings/dma/arm,dma-350.yaml
> +++ b/Documentation/devicetree/bindings/dma/arm,dma-350.yaml
> @@ -32,6 +32,10 @@ properties:
>        - description: Channel 6 interrupt
>        - description: Channel 7 interrupt
>  
> +  interrupt-names:
> +    minItems: 1
> +    maxItems: 8

You need to list the items.


> +
>    "#dma-cells":
>      const: 1
>      description: The cell is the trigger input number
> @@ -40,5 +44,6 @@ required:
>    - compatible
>    - reg
>    - interrupts
> +  - interrupt-names

That's ABI break, so no.



Best regards,
Krzysztof

  reply	other threads:[~2025-08-23 16:09 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-23 15:39 [PATCH 00/14] dmaengine: dma350: Support slave_sg, cyclic and DMA-250 Jisheng Zhang
2025-08-23 15:39 ` [PATCH 01/14] dmaengine: dma350: Fix CH_CTRL_USESRCTRIGIN definition Jisheng Zhang
2025-08-29 10:44   ` Robin Murphy
2025-08-23 15:39 ` [PATCH 02/14] dmaengine: dma350: Add missing dch->coherent setting Jisheng Zhang
2025-08-29 10:52   ` Robin Murphy
2025-08-23 15:39 ` [PATCH 03/14] dmaengine: dma350: Check vchan_next_desc() return value Jisheng Zhang
2025-08-29 10:02   ` Robin Murphy
2025-08-23 15:39 ` [PATCH 04/14] dmaengine: dma350: Check dma_cookie_status() ret code and txstate Jisheng Zhang
2025-08-29 10:42   ` Robin Murphy
2025-08-23 15:40 ` [PATCH 05/14] dmaengine: dma350: Register the DMA controller to DT DMA helpers Jisheng Zhang
2025-08-29 20:37   ` Robin Murphy
2025-08-23 15:40 ` [PATCH 06/14] dmaengine: dma350: Use dmaenginem_async_device_register Jisheng Zhang
2025-08-23 15:40 ` [PATCH 07/14] dmaengine: dma350: Remove redundant err msg if platform_get_irq() fails Jisheng Zhang
2025-08-23 15:40 ` [PATCH 08/14] dt-bindings: dma: dma350: Document interrupt-names Jisheng Zhang
2025-08-23 16:09   ` Krzysztof Kozlowski [this message]
2025-08-24  9:49     ` Jisheng Zhang
2025-08-24 10:30       ` Krzysztof Kozlowski
2025-08-24 13:19         ` Jisheng Zhang
2025-08-29 11:08   ` Robin Murphy
2025-08-23 15:40 ` [PATCH 09/14] dmaengine: dma350: Support dma-channel-mask Jisheng Zhang
2025-08-23 16:10   ` Krzysztof Kozlowski
2025-08-24  7:01   ` kernel test robot
2025-08-23 15:40 ` [PATCH 10/14] dmaengine: dma350: Alloc command[] from dma pool Jisheng Zhang
2025-08-29 12:56   ` Robin Murphy
2025-09-01 10:27   ` Dan Carpenter
2025-08-23 15:40 ` [PATCH 11/14] dmaengine: dma350: Support device_prep_slave_sg Jisheng Zhang
2025-08-30  0:00   ` Robin Murphy
2025-08-23 15:40 ` [PATCH 12/14] dmaengine: dma350: Support device_prep_dma_cyclic Jisheng Zhang
2025-08-23 15:40 ` [PATCH 13/14] dt-bindings: dma: dma350: Support ARM DMA-250 Jisheng Zhang
2025-08-23 16:11   ` Krzysztof Kozlowski
2025-08-29 11:16     ` Robin Murphy
2025-08-23 15:40 ` [PATCH 14/14] dmaengine: " Jisheng Zhang
2025-08-23 16:13   ` Krzysztof Kozlowski
2025-08-24 19:38   ` kernel test robot
2025-08-29 22:24   ` Robin Murphy

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