netdev - Re: [PATCH net-next] net: dsa: rtl8365mb: add GMII as user port mode

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Date:   Tue, 14 Dec 2021 18:36:42 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     luizluca@...il.com
Cc:     netdev@...r.kernel.org, alsi@...g-olufsen.dk,
        Arınç ÜNAL 
        <arinc.unal@...nc9.com>
Subject: Re: [PATCH net-next] net: dsa: rtl8365mb: add GMII as user port
 mode

On Tue, 14 Dec 2021 16:07:05 -0300 luizluca@...il.com wrote:
> From: Luiz Angelo Daros de Luca <luizluca@...il.com>
> 
> Recent net-next fails to initialize ports with:
> 
>  realtek-smi switch: phy mode gmii is unsupported on port 0
>  realtek-smi switch lan5 (uninitialized): validation of gmii with
>  support 0000000,00000000,000062ef and advertisement
>  0000000,00000000,000062ef failed: -22
>  realtek-smi switch lan5 (uninitialized): failed to connect to PHY:
>  -EINVAL
>  realtek-smi switch lan5 (uninitialized): error -22 setting up PHY
>  for tree 1, switch 0, port 0
> 
> Current net branch(3dd7d40b43663f58d11ee7a3d3798813b26a48f1) is not
> affected.
> 
> I also noticed the same issue before with older versions but using
> a MDIO interface driver, not realtek-smi.
> 
> Tested-by: Arınç ÜNAL <arinc.unal@...nc9.com>
> Signed-off-by: Luiz Angelo Daros de Luca <luizluca@...il.com>

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