linux-kernel - Re: [v4, 3/3] ARM: dts: vf610-zii-dev-rev-b: Remove 'fixed-link' from DSA ports

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Message-ID: <20161221132519.bkkqyfk3beow7nc5@pengutronix.de>
Date:   Wed, 21 Dec 2016 14:25:19 +0100
From:   Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>
To:     Nikita Yushchenko <nikita.yoush@...entembedded.com>
Cc:     Andrey Smirnov <andrew.smirnov@...il.com>,
        linux-arm-kernel@...ts.infradead.org,
        Mark Rutland <mark.rutland@....com>,
        devicetree@...r.kernel.org,
        Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
        Russell King <linux@...linux.org.uk>,
        Stefan Agner <stefan@...er.ch>, linux-kernel@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>, andrew@...n.ch,
        Sascha Hauer <kernel@...gutronix.de>,
        Shawn Guo <shawnguo@...nel.org>, cphealy@...il.com
Subject: Re: [v4, 3/3] ARM: dts: vf610-zii-dev-rev-b: Remove 'fixed-link'
 from DSA ports

On Wed, Dec 21, 2016 at 03:58:45PM +0300, Nikita Yushchenko wrote:
> > Remove 'fixed-link' nodes from DSA ports since they are not needed (they
> > are not limiting link's speed and the ports will be configured to their
> > maximux speed as a default)
> >
> > Suggested-by: Andrew Lunn <andrew@...n.ch>
> > Signed-off-by: Andrey Smirnov <andrew.smirnov@...il.com>
> 
> With this patch, ports connected to revB's second switch stop working.

This is probably because without a fixed-link node the phy-mode setting
isn't applied by the driver.

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |