linux-kernel - Re: [PATCH net-next 1/2] net: stmmac: Add PCS_LYNX as a dependency for the whole driver

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Date:   Tue, 6 Jun 2023 14:50:46 +0200
From:   Maxime Chevallier <maxime.chevallier@...tlin.com>
To:     "Russell King (Oracle)" <linux@...linux.org.uk>
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>, davem@...emloft.net,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        alexis.lothore@...tlin.com, thomas.petazzoni@...tlin.com,
        Andrew Lunn <andrew@...n.ch>, Jakub Kicinski <kuba@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Vladimir Oltean <vladimir.oltean@....com>,
        Ioana Ciornei <ioana.ciornei@....com>,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Jose Abreu <joabreu@...opsys.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Simon Horman <simon.horman@...igine.com>
Subject: Re: [PATCH net-next 1/2] net: stmmac: Add PCS_LYNX as a dependency
 for the whole driver

On Tue, 6 Jun 2023 11:44:08 +0100
"Russell King (Oracle)" <linux@...linux.org.uk> wrote:

> On Tue, Jun 06, 2023 at 12:35:23PM +0200, Geert Uytterhoeven wrote:
> > Hi Russell,
> >   
> > > diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> > > index fa07b0d50b46..1801f8cc8413 100644
> > > --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> > > +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> > > @@ -940,9 +940,6 @@ static struct phylink_pcs *stmmac_mac_select_pcs(struct phylink_config *config,
> > >         if (priv->hw->xpcs)
> > >                 return &priv->hw->xpcs->pcs;
> > >
> > > -       if (priv->hw->lynx_pcs)
> > > -               return priv->hw->lynx_pcs;
> > > -
> > >         return NULL;
> > >  }  
> > 
> > I think the above hunk is wrong, and should be replaced by a removal
> > of the call to lynx_pcs_destroy()?  
> 
> Indeed, and wrong file too. Thanks for spotting, I think we spotted
> the mistake at almost the same time. Replacement patch sent.
> 
> It'd be good to have the patch thoroughly reviewed to make sure I
> haven't missed anything else, bearing in mind that I don't know this
> driver inside out and don't have the hardware.

I will give it a try righ-away,

Thanks,

Maxime

> Thanks.
>