linux-kernel - Re: [PATCH v6 1/2] dt-bindings: arm: Add label in the coresight components

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Message-ID: <CAJ9a7VhR5AX9QD3fHiT_aU5yHShcZFaHLEDDcBJbu2xcRbWGVA@mail.gmail.com>
Date: Wed, 18 Dec 2024 11:09:41 +0000
From: Mike Leach <mike.leach@...aro.org>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: Mao Jinlong <quic_jinlmao@...cinc.com>, Suzuki K Poulose <suzuki.poulose@....com>, 
	James Clark <james.clark@....com>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Mathieu Poirier <mathieu.poirier@...aro.org>, Bjorn Andersson <andersson@...nel.org>, 
	Konrad Dybcio <konradybcio@...nel.org>, coresight@...ts.linaro.org, 
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v6 1/2] dt-bindings: arm: Add label in the coresight components

On Wed, 18 Dec 2024 at 09:21, Krzysztof Kozlowski <krzk@...nel.org> wrote:
>
> On Tue, Dec 17, 2024 at 02:33:23PM +0800, Mao Jinlong wrote:
> > Current name of coresight component's folder consists of prefix of
> > the device and the id in the device list. When run 'ls' command,
> > we can get the register address of the device. Take CTI for example,
> > if we want to set the config for modem CTI, but we can't know which
> > CTI is modem CTI from all current information.
> >
> > cti_sys0 -> ../../../devices/platform/soc@...38f0000.cti/cti_sys0
> > cti_sys1 -> ../../../devices/platform/soc@...3900000.cti/cti_sys1
> >
> > Add label to show hardware context information of each coresight
> > device. There will be a sysfs node label in each device folder.
> >
> > cat /sys/bus/coresight/devices/cti_sys0/label
> >
> > Signed-off-by: Mao Jinlong <quic_jinlmao@...cinc.com>
>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>
> Best regards,
> Krzysztof
>

Reviewed-by: Mike Leach <mike.leach@...aro.org>

-- 
Mike Leach
Principal Engineer, ARM Ltd.
Manchester Design Centre. UK