linux-kernel - Re: [PATCH] dt-bindings: dma: snps,dma-spear1340: Fix data{-,

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Message-ID: <ZhKZwp4n7RYlprP-@matsya>
Date: Sun, 7 Apr 2024 18:34:02 +0530
From: Vinod Koul <vkoul@...nel.org>
To: Rob Herring <robh@...nel.org>
Cc: Viresh Kumar <vireshk@...nel.org>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>, dmaengine@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: dma: snps,dma-spear1340: Fix data{-,_}width
 schema

On 11-03-24, 16:25, Rob Herring wrote:
> 'data-width' and 'data_width' properties are defined as arrays, but the
> schema is defined as a matrix. That works currently since everything gets
> decoded in to matrices, but that is internal to dtschema and could change.

This fails to apply on dmaengine/next.

Can you please rebase?

> 
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
>  .../bindings/dma/snps,dma-spear1340.yaml      | 38 +++++++++----------
>  1 file changed, 17 insertions(+), 21 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/dma/snps,dma-spear1340.yaml b/Documentation/devicetree/bindings/dma/snps,dma-spear1340.yaml
> index 5da8291a7de0..7b0ff4afcaa1 100644
> --- a/Documentation/devicetree/bindings/dma/snps,dma-spear1340.yaml
> +++ b/Documentation/devicetree/bindings/dma/snps,dma-spear1340.yaml
> @@ -93,10 +93,9 @@ properties:
>    data-width:
>      $ref: /schemas/types.yaml#/definitions/uint32-array
>      description: Data bus width per each DMA master in bytes.
> +    maxItems: 4
>      items:
> -      maxItems: 4
> -      items:
> -        enum: [4, 8, 16, 32]
> +      enum: [4, 8, 16, 32]
>  
>    data_width:
>      $ref: /schemas/types.yaml#/definitions/uint32-array
> @@ -106,28 +105,26 @@ properties:
>        deprecated. It' usage is discouraged in favor of data-width one. Moreover
>        the property incorrectly permits to define data-bus width of 8 and 16
>        bits, which is impossible in accordance with DW DMAC IP-core data book.
> +    maxItems: 4
>      items:
> -      maxItems: 4
> -      items:
> -        enum:
> -          - 0 # 8 bits
> -          - 1 # 16 bits
> -          - 2 # 32 bits
> -          - 3 # 64 bits
> -          - 4 # 128 bits
> -          - 5 # 256 bits
> -        default: 0
> +      enum:
> +        - 0 # 8 bits
> +        - 1 # 16 bits
> +        - 2 # 32 bits
> +        - 3 # 64 bits
> +        - 4 # 128 bits
> +        - 5 # 256 bits
> +      default: 0
>  
>    multi-block:
>      $ref: /schemas/types.yaml#/definitions/uint32-array
>      description: |
>        LLP-based multi-block transfer supported by hardware per
>        each DMA channel.
> +    maxItems: 8
>      items:
> -      maxItems: 8
> -      items:
> -        enum: [0, 1]
> -        default: 1
> +      enum: [0, 1]
> +      default: 1
>  
>    snps,max-burst-len:
>      $ref: /schemas/types.yaml#/definitions/uint32-array
> @@ -138,11 +135,10 @@ properties:
>        will be from 1 to max-burst-len words. It's an array property with one
>        cell per channel in the units determined by the value set in the
>        CTLx.SRC_TR_WIDTH/CTLx.DST_TR_WIDTH fields (data width).
> +    maxItems: 8
>      items:
> -      maxItems: 8
> -      items:
> -        enum: [4, 8, 16, 32, 64, 128, 256]
> -        default: 256
> +      enum: [4, 8, 16, 32, 64, 128, 256]
> +      default: 256
>  
>    snps,dma-protection-control:
>      $ref: /schemas/types.yaml#/definitions/uint32
> -- 
> 2.43.0

-- 
~Vinod