linux-kernel - Re: [PATCH v1] coresight: add node to reset all coresight devices

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Message-ID: <YIKbJ/WafuFnqGvr@kroah.com>
Date:   Fri, 23 Apr 2021 12:02:15 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Tao Zhang <taozha@...eaurora.org>
Cc:     Mathieu Poirier <mathieu.poirier@...aro.org>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Mike Leach <mike.leach@...aro.org>,
        Leo Yan <leo.yan@...aro.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>
Subject: Re: [PATCH v1] coresight: add node to reset all coresight devices

On Fri, Apr 23, 2021 at 04:29:38PM +0800, Tao Zhang wrote:
> Add new reset_source_sink node to be able to disable all active
> coresight devices.
> In this way, we no longer need to manually disable all active
> coresight devices one by one. After enabling multiple coresight
> paths, users can reset their status more conveniently by this
> node.
> 
> This patch base on coresight-next repo
> http://git.linaro.org/kernel/coresight.git/log/?h=next
> 
> And this patch depends on the following patch
> https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg2551216.html
> 
> Signed-off-by: Tingwei Zhang <tingwei@...eaurora.org>
> Signed-off-by: Mao Jinlong <jinlmao@...eaurora.org>
> Signed-off-by: Tao Zhang <taozha@...eaurora.org>
> ---
>  drivers/hwtracing/coresight/coresight-core.c | 72 ++++++++++++++++++++++++----
>  1 file changed, 64 insertions(+), 8 deletions(-)

You added new sysfs files with no new Documentation/ABI entries, so we
have no idea how to review this code to determine if it does what you
want it to do :(

thanks,

greg k-h