netdev - Re: [PATCH v1 net-next] net: dsa: mv88e6xxx: 88E6141/6341 SERDES support

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Message-ID: <20180503163137.4256eeac@dellmb.labs.office.nic.cz>
Date:   Thu, 3 May 2018 16:31:37 +0200
From:   Marek Behún <marek.behun@....cz>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     netdev@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
        Arkadi Sharshevsky <arkadis@...lanox.com>,
        "David S . Miller" <davem@...emloft.net>
Subject: Re: [PATCH v1 net-next] net: dsa: mv88e6xxx: 88E6141/6341 SERDES
 support

Sent v2

On Thu, 3 May 2018 15:15:15 +0200
Andrew Lunn <andrew@...n.ch> wrote:

> On Thu, May 03, 2018 at 03:06:48PM +0200, Marek Behún wrote:
> > The 88E6141/6341 switches (also known as Topaz) have 1 SGMII lane,
> > which can be configured the same way as the SERDES lane on 88E6390.
> > 
> > Signed-off-by: Marek Behun <marek.behun@....cz>  
> 
> > +int mv88e6341_serdes_power(struct mv88e6xxx_chip *chip, int port,
> > bool on) +{
> > +	int err;
> > +	u8 cmode;
> > +
> > +	if (port != 5)
> > +		return 0;
> > +
> > +	err = mv88e6xxx_port_get_cmode(chip, port, &cmode);
> > +	if (err)
> > +		return err;
> > +
> > +	if ((cmode == MV88E6XXX_PORT_STS_CMODE_1000BASE_X) ||
> > +	     (cmode == MV88E6XXX_PORT_STS_CMODE_SGMII) ||
> > +	     (cmode == MV88E6XXX_PORT_STS_CMODE_2500BASEX))
> > +		return mv88e6390_serdes_sgmii(chip, 0x15, on);  
> 
> Hi Marek
> 
> Please add a #define for this 0x15.
> 
> Otherwise, this looks good.
> 
> 	   Andrew