linux-kernel - Re: Re: Re: [PATCH v2] net: mtk_sgmii: implement mtk_pcs

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Message-ID: <Y1Wfc+M/zVdw9Di3@shell.armlinux.org.uk>
Date:   Sun, 23 Oct 2022 21:09:23 +0100
From:   "Russell King (Oracle)" <linux@...linux.org.uk>
To:     Frank Wunderlich <frank-w@...lic-files.de>
Cc:     Frank Wunderlich <linux@...web.de>,
        linux-mediatek@...ts.infradead.org,
        Alexander Couzens <lynxis@...0.eu>,
        Felix Fietkau <nbd@....name>, John Crispin <john@...ozen.org>,
        Sean Wang <sean.wang@...iatek.com>,
        Mark Lee <Mark-MC.Lee@...iatek.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: Re: Re: [PATCH v2] net: mtk_sgmii: implement mtk_pcs_ops

On Sun, Oct 23, 2022 at 09:21:37PM +0200, Frank Wunderlich wrote:
> > Gesendet: Sonntag, 23. Oktober 2022 um 21:03 Uhr
> > Von: "Frank Wunderlich" <frank-w@...lic-files.de>
> 
> > if you fix this typo you can send the patch and add my tested-by:
> >
> >         regmap_read(mpcs->regmap, SGMSYS_SGMII_MODE, &val);
> > -       if (interface = == PHY_INTERFACE_MODE_SGMII)
> > +       if (interface == PHY_INTERFACE_MODE_SGMII)
> >                 val |= SGMII_IF_MODE_BIT0;
> >         else
> >                 val &= ~SGMII_IF_MODE_BIT0;
> >
> > should i send an update for my patch including this:
> >
> > state->duplex = DUPLEX_FULL;
> >
> > or do you want to read the duplex from the advertisement like stated before?
> >
> > regmap_read(mpcs->regmap, SGMSYS_PCS_CONTROL_1, &bm);
> > regmap_read(mpcs->regmap, SGMSYS_PCS_CONTROL_1 + 8, &adv);
> >
> > phylink_mii_c22_pcs_decode_state(state, bm >> 16, adv >> 16);
> 
> with the phylink-helper it works too
> 
> https://github.com/frank-w/BPI-R2-4.14/commits/6.1-r3-sgmii2

This is amazingly great news - we now know how to configure this
hardware! Let me cook up a proper set of patches for tomorrow - if
that's okay.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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