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Date: Mon, 28 Aug 2017 21:50:39 +0200
From: Jiri Pirko <jiri@resnulli.us>
To: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
        kernel@savoirfairelinux.com, "David S. Miller" <davem@davemloft.net>,
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        John Crispin <john@phrozen.org>,
        Woojung Huh <Woojung.Huh@microchip.com>,
        Sean Wang <sean.wang@mediatek.com>,
        Nikita Yushchenko <nikita.yoush@cogentembedded.com>,
        Chris Healy <cphealy@gmail.com>
Subject: Re: [PATCH net-next v2 01/10] net: dsa: add debugfs interface
Message-ID: <20170828195039.GA1950@nanopsycho.orion>
References: <20170828191748.19492-1-vivien.didelot@savoirfairelinux.com>
 <20170828191748.19492-2-vivien.didelot@savoirfairelinux.com>
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Mon, Aug 28, 2017 at 09:17:39PM CEST, vivien.didelot@savoirfairelinux.com wrote:
>This commit adds a DEBUG_FS dependent DSA core file creating a generic
>debug filesystem interface for the DSA switch devices.
>
>The interface can be mounted with:
>
>    # mount -t debugfs none /sys/kernel/debug
>
>The dsa directory contains one directory per switch chip:
>
>    # cd /sys/kernel/debug/dsa/
>    # ls
>    switch0  switch1 switch2
>
>Each chip directory contains one directory per port:
>
>    # ls -l switch0/
>    drwxr-xr-x 2 root root 0 Jan  1 00:00 port0
>    drwxr-xr-x 2 root root 0 Jan  1 00:00 port1
>    drwxr-xr-x 2 root root 0 Jan  1 00:00 port2
>    drwxr-xr-x 2 root root 0 Jan  1 00:00 port5
>    drwxr-xr-x 2 root root 0 Jan  1 00:00 port6
>
>Future patches will add entry files to these directories.
>
>Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>

Oh no, no debugfs please!

What do you need to expose? I'm sure we can find out some generic, well
defined and reusable way.