linux-kernel - Re: [PATCH v2 1/4] dt-bindings: dma: ti: k3-*: Add descriptions for register regions

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Message-ID: <ac4011c6-980f-483b-97e9-da0e1fd4ca61@linaro.org>
Date:   Wed, 22 Nov 2023 17:19:37 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Vignesh Raghavendra <vigneshr@...com>,
        Peter Ujfalusi <peter.ujfalusi@...il.com>,
        Vinod Koul <vkoul@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 1/4] dt-bindings: dma: ti: k3-*: Add descriptions for
 register regions

On 22/11/2023 16:42, Vignesh Raghavendra wrote:
> In preparation for introducing more register regions, add description
> for existing register regions so that its easier to map reg-names to
> that of SoC Documentations/TRMs.
> 
> Signed-off-by: Vignesh Raghavendra <vigneshr@...com>
> ---
>  .../devicetree/bindings/dma/ti/k3-bcdma.yaml  | 26 +++++++++++--------
>  .../devicetree/bindings/dma/ti/k3-pktdma.yaml |  6 ++++-
>  .../devicetree/bindings/dma/ti/k3-udma.yaml   |  5 +++-
>  3 files changed, 24 insertions(+), 13 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/dma/ti/k3-bcdma.yaml b/Documentation/devicetree/bindings/dma/ti/k3-bcdma.yaml
> index 4ca300a42a99..b5444800b036 100644
> --- a/Documentation/devicetree/bindings/dma/ti/k3-bcdma.yaml
> +++ b/Documentation/devicetree/bindings/dma/ti/k3-bcdma.yaml
> @@ -35,14 +35,6 @@ properties:
>        - ti,am64-dmss-bcdma
>        - ti,j721s2-dmss-bcdma-csi
>  
> -  reg:
> -    minItems: 3
> -    maxItems: 5
> -
> -  reg-names:
> -    minItems: 3
> -    maxItems: 5

Why do you remove properties from top-level? You shouldn't. We expect
there to have widest constrains. This is not explained in commit msg and
really not justified looking at further diff hunks.

Best regards,
Krzysztof