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Date:   Fri, 12 Apr 2019 11:40:13 +0100
From:   Suzuki K Poulose <suzuki.poulose@....com>
To:     leo.yan@...aro.org, mathieu.poirier@...aro.org, robh+dt@...nel.org,
        mark.rutland@....com, alexander.shishkin@...ux.intel.com,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 1/4] dt-bindings: arm: coresight: Add new compatible
 for static replicator

On 04/12/2019 11:27 AM, Leo Yan wrote:
> CoreSight uses below bindings for replicator:
> 
>    Dynamic replicator, aka. configurable replicator:
>      "arm,coresight-dynamic-replicator", "arm,primecell";
> 
>    Static replicator, aka. non-configurable replicator:
>      "arm,coresight-replicator";
> 
> The compatible string "arm,coresight-replicator" is not an explicit
> naming to express the replicator is 'static'.  To unify the naming
> convention, this patch introduces a new compatible string
> "arm,coresight-static-replicator" for the static replicator; the
> compatible string "arm,coresight-replicator" is kept for backward
> compatibility, but tag it as obsolete and suggest to use the new
> compatible string.
> 
> As result CoreSight replicator have below bindings:
> 
>    Dynamic replicator:
>      "arm,coresight-dynamic-replicator", "arm,primecell";
> 
>    Static replicator:
>      "arm,coresight-static-replicator";
>      "arm,coresight-replicator"; (obsolete)
> 
> Signed-off-by: Leo Yan <leo.yan@...aro.org>
> ---
>   Documentation/devicetree/bindings/arm/coresight.txt | 7 +++++--
>   1 file changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt
> index f8aff65ab921..d02d160fa8ac 100644
> --- a/Documentation/devicetree/bindings/arm/coresight.txt
> +++ b/Documentation/devicetree/bindings/arm/coresight.txt
> @@ -69,7 +69,10 @@ its hardware characteristcs.
>   
>   	* compatible: Currently supported value is (note the absence of the
>   	  AMBA markee):
> -		- "arm,coresight-replicator"
> +		- Coresight Non-configurable Replicator:
> +			"arm,coresight-static-replicator";
> +			"arm,coresight-replicator"; (OBSOLETE. For backward
> +				compatibility and will be removed)
>   
>   	* port or ports: see "Graph bindings for Coresight" below.
>   
> @@ -169,7 +172,7 @@ Example:
>   		/* non-configurable replicators don't show up on the
>   		 * AMBA bus.  As such no need to add "arm,primecell".
>   		 */
> -		compatible = "arm,coresight-replicator";
> +		compatible = "arm,coresight-static-replicator";

Reviewed-by: Suzuki K Poulose <suzuki.poulose@....com>

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