netdev - Re: [PATCH net-next 09/13] net: mvpp2: dynamic reconfiguration of the PHY mode

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: <20170824174519.GC18700@lunn.ch>
Date:   Thu, 24 Aug 2017 19:45:19 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Russell King - ARM Linux <linux@...linux.org.uk>
Cc:     Antoine Tenart <antoine.tenart@...e-electrons.com>,
        davem@...emloft.net, kishon@...com, jason@...edaemon.net,
        sebastian.hesselbarth@...il.com,
        gregory.clement@...e-electrons.com,
        thomas.petazzoni@...e-electrons.com, nadavh@...vell.com,
        linux-kernel@...r.kernel.org, mw@...ihalf.com, stefanc@...vell.com,
        miquel.raynal@...e-electrons.com, netdev@...r.kernel.org
Subject: Re: [PATCH net-next 09/13] net: mvpp2: dynamic reconfiguration of
 the PHY mode

Hi Russell

> I think you're all getting confused.

Yes, i was at least.

> The 88x3310 driver in the kernel knows about these combinations and
> sets the phy interface parameter correctly depending on whether the
> PHY has configured itself for copper at whatever speed or SFP+.

So when the PHY decides to swap from copper to fibre etc, is the
phylib state machine kept up to date. Does it see a down, followed by
an up?

   Andrew