netdev - Re: mt7530: dsa_switch_parse_of() fails, causes probe code to run twice

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20230415133813.d4et4oet53ifg2gi@skbuf>
Date:   Sat, 15 Apr 2023 16:38:13 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     Arınç ÜNAL <arinc.unal@...nc9.com>
Cc:     Daniel Golle <daniel@...rotopia.org>,
        Frank Wunderlich <frank-w@...lic-files.de>,
        netdev <netdev@...r.kernel.org>, erkin.bozoglu@...ont.com,
        Thibaut <hacks@...shdirt.org>
Subject: Re: mt7530: dsa_switch_parse_of() fails, causes probe code to run
 twice

On Sat, Apr 15, 2023 at 04:19:46PM +0300, Arınç ÜNAL wrote:
> While speaking here, let's discuss what should be considered probing.
> 
> One thing that complicates this is that the MT7530 switch has got a unique
> feature, PHY muxing. I want to be able to use this feature without
> registering the switch at all. And that requires the switch to be at least
> reset.

All DSA switch drivers end their probing with a successful call to
dsa_register_switch(). I would appreciate if you wouldn't start adding
exceptions to that.