linux-kernel - Re: [PATCH v1 2/2] dt-bindings: arm: add property for coresight component name

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Message-ID: <87fszqfp6m.fsf@ashishki-desk.ger.corp.intel.com>
Date:   Fri, 16 Apr 2021 14:23:45 +0300
From:   Alexander Shishkin <alexander.shishkin@...ux.intel.com>
To:     Tao Zhang <taozha@...eaurora.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Suzuki K Poulose <suzuki.poulose@....com>
Cc:     Tao Zhang <taozha@...eaurora.org>,
        Mike Leach <mike.leach@...aro.org>,
        Leo Yan <leo.yan@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        coresight@...ts.linaro.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Tingwei Zhang <tingwei@...eaurora.org>,
        Mao Jinlong <jinlmao@...eaurora.org>,
        Yuanfang Zhang <zhangyuanfang@...eaurora.org>,
        alexander.shishkin@...ux.intel.com
Subject: Re: [PATCH v1 2/2] dt-bindings: arm: add property for coresight
 component name

Tao Zhang <taozha@...eaurora.org> writes:

> Add property "coresight-name" for coresight component name. This
> allows coresight driver to read device name from device entries.
>
> Signed-off-by: Tao Zhang <taozha@...eaurora.org>
> ---
>  Documentation/devicetree/bindings/arm/coresight.txt | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt
> index d711676..0e980ce 100644
> --- a/Documentation/devicetree/bindings/arm/coresight.txt
> +++ b/Documentation/devicetree/bindings/arm/coresight.txt
> @@ -103,6 +103,8 @@ its hardware characteristcs.
>  	  powers down the coresight component also powers down and loses its
>  	  context. This property is currently only used for the ETM 4.x driver.
>  
> +	* coresight-name: the name of the coresight devices.

Which devices? Also, is it a common practice to extend device tree
definitions based on arbitrary driver needs, or should there be some
sort of a discussion first?

Regards,
--
Alex