netdev - Re: [PATCH net-next 2/8] net: dsa: propagate resolved link config via mac_link

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Message-ID: <20200225232307.GU25745@shell.armlinux.org.uk>
Date:   Tue, 25 Feb 2020 23:23:07 +0000
From:   Russell King - ARM Linux admin <linux@...linux.org.uk>
To:     Vladimir Oltean <olteanv@...il.com>
Cc:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        "David S. Miller" <davem@...emloft.net>,
        Felix Fietkau <nbd@....name>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Hauke Mehrtens <hauke@...ke-m.de>,
        Ioana Ciornei <ioana.ciornei@....com>,
        Jakub Kicinski <kuba@...nel.org>,
        John Crispin <john@...ozen.org>,
        Jonathan Corbet <corbet@....net>,
        Jose Abreu <joabreu@...opsys.com>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-arm-kernel@...ts.infradead.org>,
        Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        linux-stm32@...md-mailman.stormreply.com,
        Mark Lee <Mark-MC.Lee@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Michal Simek <michal.simek@...inx.com>,
        netdev <netdev@...r.kernel.org>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Radhey Shyam Pandey <radhey.shyam.pandey@...inx.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Vivien Didelot <vivien.didelot@...il.com>
Subject: Re: [PATCH net-next 2/8] net: dsa: propagate resolved link config
 via mac_link_up()

On Tue, Feb 25, 2020 at 11:09:35PM +0200, Vladimir Oltean wrote:
> Hi Russell,
> 
> On Tue, 25 Feb 2020 at 11:39, Russell King <rmk+kernel@...linux.org.uk> wrote:
> >
> > Propagate the resolved link configuration down via DSA's
> > phylink_mac_link_up() operation to allow split PCS/MAC to work.
> >
> > Signed-off-by: Russell King <rmk+kernel@...linux.org.uk>
> > ---
> >  drivers/net/dsa/b53/b53_common.c       | 4 +++-
> >  drivers/net/dsa/b53/b53_priv.h         | 4 +++-
> >  drivers/net/dsa/bcm_sf2.c              | 4 +++-
> >  drivers/net/dsa/lantiq_gswip.c         | 4 +++-
> >  drivers/net/dsa/mt7530.c               | 4 +++-
> >  drivers/net/dsa/mv88e6xxx/chip.c       | 4 +++-
> >  drivers/net/dsa/sja1105/sja1105_main.c | 4 +++-
> >  include/net/dsa.h                      | 4 +++-
> >  net/dsa/port.c                         | 3 ++-
> >  9 files changed, 26 insertions(+), 9 deletions(-)
> >
> 
> It looks like you missed the felix_phylink_mac_link_up() conversion in
> this patch? (which also makes it fail to build, by the way, I'm
> supposed the Kbuild robot didn't already jump)
> Nonetheless, I've manually added the missing speed, duplex, tx_pause
> and rx_pause parameters, and it appears to work as before.
> Same for sja1105.

Quite possibly; the patch was developed against 5.5 plus the phylink
changes, but applied to net-next. Hmm, it seems my coccinelle script
that detects .mac_link_up initialiser prototypes, but not the DSA
equivalent using the old prototype.

Thanks for pointing it out.

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