[PATCH net] arm64: dts: clearfog-gt-8k: fix switch link configuration

Andrew Lunn andrew at lunn.ch
Sun Jul 19 11:27:23 EDT 2020


On Sun, Jul 19, 2020 at 12:00:40PM +0100, Russell King wrote:
> The commit below caused a regression for clearfog-gt-8k, where the link
> between the switch and the host does not come up.
> 
> Investigation revealed two issues:
> - MV88E6xxx DSA no longer allows an in-band link to come up as the link
>   is programmed to be forced down. Commit "net: dsa: mv88e6xxx: fix
>   in-band AN link establishment" addresses this.
> 
> - The dts configured dissimilar link modes at each end of the host to
>   switch link; the host was configured using a fixed link (so has no
>   in-band status) and the switch was configured to expect in-band
>   status.
> 
> With both issues fixed, the regression is resolved.
> 
> Fixes: 34b5e6a33c1a ("net: dsa: mv88e6xxx: Configure MAC when using fixed link")
> Reported-by: Martin Rowe <martin.p.rowe at gmail.com>
> Signed-off-by: Russell King <rmk+kernel at armlinux.org.uk>

Reviewed-by: Andrew Lunn <andrew at lunn.ch>

    Andrew



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