linux-kernel - Re: PHY reset question

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Date:   Wed, 7 Oct 2020 10:14:10 +0200
From:   Marco Felsch <m.felsch@...gutronix.de>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     Marek Vasut <marex@...x.de>,
        Oleksij Rempel <o.rempel@...gutronix.de>,
        Andrew Lunn <andrew@...n.ch>, netdev@...r.kernel.org,
        Russell King <linux@...linux.org.uk>,
        linux-kernel@...r.kernel.org, mkl@...gutronix.de,
        kernel@...gutronix.de, David Jander <david@...tonic.nl>
Subject: Re: PHY reset question

Hi Marek,

On 20-10-06 14:11, Florian Fainelli wrote:
> On 10/6/2020 1:24 PM, Marek Vasut wrote:

...

> > If this happens on MX6 with FEC, can you please try these two patches?
> > 
> > https://patchwork.ozlabs.org/project/netdev/patch/20201006135253.97395-1-marex@denx.de/
> > 
> > https://patchwork.ozlabs.org/project/netdev/patch/20201006202029.254212-1-marex@denx.de/
> 
> Your patches are not scaling across multiple Ethernet MAC drivers
> unfortunately, so I am not sure this should be even remotely considered a
> viable solution.

Recently I added clk support for the smcs driver [1] and dropped the
PHY_RST_AFTER_CLK_EN flag for LAN8710/20 devices because I had the same
issues. Hope this will help you too.

[1] https://www.spinics.net/lists/netdev/msg682080.html

Regards,
  Marco