netdev - Re: [PATCH net] net: dsa: Do not override PHY interface if already configured

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]

Date:	Wed, 12 Aug 2015 14:35:24 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	David Miller <davem@...emloft.net>
Cc:	f.fainelli@...il.com, netdev@...r.kernel.org, andrew@...n.ch
Subject: Re: [PATCH net] net: dsa: Do not override PHY interface if already
 configured

On Wed, Aug 12, 2015 at 02:30:35PM -0700, David Miller wrote:
> From: Florian Fainelli <f.fainelli@...il.com>
> Date: Sat,  8 Aug 2015 12:58:57 -0700
> 
> > In case we need to divert reads/writes using the slave MII bus, we may have
> > already fetched a valid PHY interface property from Device Tree, and that
> > mode is used by the PHY driver to make configuration decisions.
> > 
> > If we could not fetch the "phy-mode" property, we will assign p->phy_interface
> > to PHY_INTERFACE_MODE_NA, such that we can actually check for that condition as
> > to whether or not we should override the interface value.
> > 
> > Fixes: 19334920eaf7 ("net: dsa: Set valid phy interface type")
> > Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
> > ---
> > Hi Guenter,
> > 
> > Could you verify this does not break what you were trying to fix with your change?
> > I am fairly confident this will not because for "PHYs" built-into the switch port
> > we will not be able to fetch a "phy-mode" property from DT, so we will use
> > PHY_INTERFACE_MODE_NA, but here, we will re-assign them to PHY_INTERFACE_MODE_GMII
> > as before.
> 
> I was trying to wait for Guenter's testing before applying this, but it's been some
> time already and it makes no sense to wait any longer.
> 
No problem. I am overloaded, and my test system is currently down, so it will
take a while. If I find a problem I'll discuss with Florian and send a follow-up
patch if needed.

Guenter
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html