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From: "Marek Behún" <marek.behun@nic.cz>
To: Baruch Siach <baruch@tkos.co.il>
Cc: Andrew Lunn <andrew@lunn.ch>,
	Vivien Didelot <vivien.didelot@gmail.com>,
	netdev@vger.kernel.org,
	Denis Odintsov <d.odintsov@traviangames.com>,
	Hubert Feurstein <h.feurstein@gmail.com>
Subject: Re: [BUG] mv88e6xxx: tx regression in v5.3
Date: Wed, 18 Dec 2019 15:30:35 +0100	[thread overview]
Message-ID: <20191218153035.11c3486d@dellmb> (raw)
In-Reply-To: <8736dlucai.fsf@tarshish>

Hi Baruch,

On Sun, 15 Dec 2019 12:13:25 +0200
Baruch Siach <baruch@tkos.co.il> wrote:

> Thanks. That is enough to fix the phylink issue triggered by commit
> 7fb5a711545 ("net: dsa: mv88e6xxx: drop adjust_link to enabled
> phylink").
> 
> The Clearfog GT-8K DT has also this on the cpu side:
> 
> &cp1_eth2 {
>         status = "okay";
>         phy-mode = "2500base-x";
>         phys = <&cp1_comphy5 2>;
>         fixed-link {
>                 speed = <2500>;
>                 full-duplex;
>         };
> };
> 
> Should I drop fixed-link here as well?

I would think yes. phy-mode = 2500base-x should already force 2500mbps,
the fixed-link should be irrelevant. Whether this is truly the case I
do not know, but on Turris Mox I do not use fixed-link with these.

> 
> The call to mv88e6341_port_set_cmode() introduced in commit
> 7a3007d22e8 ("net: dsa: mv88e6xxx: fully support SERDES on Topaz
> family") still breaks port 5 (cpu) configuration. When called, its
> mode parameter is set to PHY_INTERFACE_MODE_2500BASEX (19).
> 
> Any idea?

I shall look into this. On Turris Mox this works, so I will have to do
some experiments.

> Thanks,
> baruch
> 
> --
>      http://baruch.siach.name/blog/                  ~. .~   Tk Open
> Systems
> =}------------------------------------------------ooO--U--Ooo------------{=
>    - baruch@tkos.co.il - tel: +972.52.368.4656, http://www.tkos.co.il
> -


  parent reply	other threads:[~2019-12-18 14:30 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-11  9:48 [BUG] mv88e6xxx: tx regression in v5.3 Baruch Siach
2019-12-11 13:11 ` Andrew Lunn
2019-12-11 17:07   ` Baruch Siach
2019-12-11 17:49     ` Andrew Lunn
2019-12-12  8:50       ` Baruch Siach
2019-12-12 13:14         ` Andrew Lunn
2019-12-12 14:19           ` Andreas Tobler
2019-12-12 15:08           ` Baruch Siach
2019-12-12 15:13             ` Andrew Lunn
2019-12-12 15:23               ` Baruch Siach
2019-12-12 18:17                 ` Baruch Siach
2019-12-12 18:32                   ` Marek Behun
2019-12-12 18:48                     ` Baruch Siach
2019-12-12 18:36                 ` Marek Behun
2019-12-12 19:06                   ` Baruch Siach
2019-12-12 19:31                     ` Andrew Lunn
2019-12-12 19:41                       ` Marek Behun
2019-12-12 20:49                         ` Andrew Lunn
2019-12-15 10:13                         ` Baruch Siach
2019-12-15 11:10                           ` Baruch Siach
2019-12-15 14:53                             ` Andrew Lunn
2019-12-15 15:08                               ` Baruch Siach
2019-12-15 16:14                                 ` Andrew Lunn
2019-12-17 18:26                                   ` Baruch Siach
2019-12-18 14:30                           ` Marek Behún [this message]
2019-12-18 16:04                             ` Baruch Siach
2019-12-19  9:04                             ` Baruch Siach

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