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Message-ID: <20240912145631.74c20406@fedora.home>
Date: Thu, 12 Sep 2024 14:56:31 +0200
From: Maxime Chevallier <maxime.chevallier@...tlin.com>
To: Simon Horman <horms@...nel.org>
Cc: davem@...emloft.net, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, thomas.petazzoni@...tlin.com, Andrew Lunn
 <andrew@...n.ch>, Jakub Kicinski <kuba@...nel.org>, Eric Dumazet
 <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Russell King
 <linux@...linux.org.uk>, linux-arm-kernel@...ts.infradead.org, Christophe
 Leroy <christophe.leroy@...roup.eu>, Herve Codina
 <herve.codina@...tlin.com>, Florian Fainelli <f.fainelli@...il.com>, Heiner
 Kallweit <hkallweit1@...il.com>, Vladimir Oltean <vladimir.oltean@....com>,
 Marek Behún <kabel@...nel.org>, Köry
 Maincent <kory.maincent@...tlin.com>, Oleksij Rempel
 <o.rempel@...gutronix.de>
Subject: Re: [PATCH net-next 3/7] net: phy: lxt: Mark LXT973 PHYs as having
 a broken isolate mode

Hello Simon,

On Thu, 12 Sep 2024 13:24:51 +0100
Simon Horman <horms@...nel.org> wrote:

> On Wed, Sep 11, 2024 at 11:27:07PM +0200, Maxime Chevallier wrote:
> > Testing showed that PHYs from the LXT973 family have a non-working
> > isolate mode, where the MII lines aren't set in high-impedance as would
> > be expected. Prevent isolating these PHYs.
> > 
> > Signed-off-by: Maxime Chevallier <maxime.chevallier@...tlin.com>
> > ---
> >  drivers/net/phy/lxt.c | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/drivers/net/phy/lxt.c b/drivers/net/phy/lxt.c
> > index e3bf827b7959..55cf67391533 100644
> > --- a/drivers/net/phy/lxt.c
> > +++ b/drivers/net/phy/lxt.c
> > @@ -334,6 +334,7 @@ static struct phy_driver lxt97x_driver[] = {
> >  	.read_status	= lxt973a2_read_status,
> >  	.suspend	= genphy_suspend,
> >  	.resume		= genphy_resume,
> > +	.flags		= PHY_NO_ISOLATE,
> >  }, {
> >  	.phy_id		= 0x00137a10,
> >  	.name		= "LXT973",
> > @@ -344,6 +345,7 @@ static struct phy_driver lxt97x_driver[] = {
> >  	.config_aneg	= lxt973_config_aneg,
> >  	.suspend	= genphy_suspend,
> >  	.resume		= genphy_resume,
> > +	.flags		= PHY_NO_ISOLATE,
> >  } };  
> 
> Hi Maxime,
> 
> This duplicates setting .flags for each array member
> updated by this patch.

Arg yes you're correct... Don't know how I missed that...

Thanks !

Maxime

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