From: Marek Behun <marek.behun@nic.cz>
To: Andrew Lunn <andrew@lunn.ch>
Cc: netdev@vger.kernel.org, Heiner Kallweit <hkallweit1@gmail.com>,
Sebastian Reichel <sebastian.reichel@collabora.co.uk>,
Vivien Didelot <vivien.didelot@gmail.com>,
Florian Fainelli <f.fainelli@gmail.com>,
"David S . Miller" <davem@davemloft.net>
Subject: Re: [PATCH net-next 2/2] net: fixed_phy: set is_gigabit_capable member when needed
Date: Sun, 11 Aug 2019 18:08:15 +0200 [thread overview]
Message-ID: <20190811180815.024870da@nic.cz> (raw)
In-Reply-To: <20190811154001.GC14290@lunn.ch>
On Sun, 11 Aug 2019 17:40:01 +0200
Andrew Lunn <andrew@lunn.ch> wrote:
> On Sun, Aug 11, 2019 at 05:08:12PM +0200, Marek Behún wrote:
> > The fixed_phy driver does not set the phydev->is_gigabit_capable member
> > when the fixed_phy is gigabit capable.
>
> Neither does any other PHY driver. It should be possible to tell if a
> PHY supports 1G by looking at register values. If this does not work
> for fixed_link, it means we are missing something in the emulation.
> That is what we should be fixing.
>
> Also, this change has nothing to do the lp_advertise, what you
> previously said the problem was. At the moment, i don't get the
> feeling you have really dug all the way down and really understand the
> root causes.
>
> Andrew
Andrew,
is_gigabit_capable is otherwise set only in the phy_probe function.
This function is not called at all for the DSA cpu port fixed_link phy.
Why is that? But I guess it is not important anymore, if CPU and DSA
were converted to phylink in net-next. I shall test it and let you know.
In any case, sorry for the spam.
Marek
next prev parent reply other threads:[~2019-08-11 16:08 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-11 15:08 [PATCH net-next 1/2] net: dsa: mv88e6xxx: fix RGMII-ID port setup Marek Behún
2019-08-11 15:08 ` [PATCH net-next 2/2] net: fixed_phy: set is_gigabit_capable member when needed Marek Behún
2019-08-11 15:40 ` Andrew Lunn
2019-08-11 16:08 ` Marek Behun [this message]
2019-08-11 16:59 ` Heiner Kallweit
2019-08-11 15:31 ` [PATCH net-next 1/2] net: dsa: mv88e6xxx: fix RGMII-ID port setup Andrew Lunn
2019-08-11 16:14 ` Marek Behun
2019-08-11 16:51 ` Andrew Lunn
2019-08-13 15:44 ` Marek Behún
2019-08-13 15:51 ` Marek Behún
2019-08-13 15:52 ` Andrew Lunn
2019-08-12 9:23 ` Sergei Shtylyov
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