Re: [PATCH] dt-bindings: riscv: Document cbop-block-size

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On Sun, Oct 29, 2023 at 09:35:00AM -0300, Daniel Henrique Barboza wrote:
> Following the examples of cbom-block-size and cboz-block-size,
> cbop-block-size is the cache size of Zicbop (cbo.prefetch) operations.
> The most common case is to have all cache block sizes to be the same
> size (e.g. profiles such as rva22u64 mandates a 64 bytes size for all
> cache operations), but there's no specification requirement for that,
> and an implementation can have different cache sizes for each operation.
> 
> Cc: Rob Herring <robh@xxxxxxxxxx>
> Cc: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
> Signed-off-by: Daniel Henrique Barboza <dbarboza@xxxxxxxxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/riscv/cpus.yaml | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml
> index 97e8441eda1c..1660b296f7de 100644
> --- a/Documentation/devicetree/bindings/riscv/cpus.yaml
> +++ b/Documentation/devicetree/bindings/riscv/cpus.yaml
> @@ -78,6 +78,11 @@ properties:
>      description:
>        The blocksize in bytes for the Zicbom cache operations.
>  
> +  riscv,cbop-block-size:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description:
> +      The blocksize in bytes for the Zicbop cache operations.
> +
>    riscv,cboz-block-size:
>      $ref: /schemas/types.yaml#/definitions/uint32
>      description:
> -- 
> 2.41.0
>

Reviewed-by: Andrew Jones <ajones@xxxxxxxxxxxxxxxx>




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