netdev - Re: sun7i-dwmac: link detection failure with 1000Mbit parters

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Date:   Thu, 31 Oct 2019 14:04:22 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Priit Laes <plaes@...es.org>
Cc:     linux-sunxi@...glegroups.com, wens@...e.org,
        netdev@...r.kernel.org, peppe.cavallaro@...com,
        alexandre.torgue@...com, joabreu@...opsys.com
Subject: Re: sun7i-dwmac: link detection failure with 1000Mbit parters

On Wed, Oct 30, 2019 at 08:21:17PM +0000, Priit Laes wrote:
> Heya!
> 
> I have noticed that with sun7i-dwmac driver (OLinuxino Lime2 eMMC), link
> detection fails consistently with certain 1000Mbit partners (for example Huawei
> B525s-23a 4g modem ethernet outputs and RTL8153-based USB3.0 ethernet dongle),
> but the same hardware works properly with certain other link partners (100Mbit GL AR150
> for example).

Hi Pritt

What PHY is used? And what happens if you use the specific PHY driver,
not the generic PHY driver?

    Andrew