Re: [PATCH v2] ARM: dts: am437x: fix networking on boards with ksz9031 phy

[Tony Lindgren <tony@atomide.com>]

* Philippe Schenker <philippe.schenker@toradex.com> [200507 15:17]:
> On Thu, 2020-05-07 at 18:12 +0300, Grygorii Strashko wrote:
> > Since commit bcf3440c6dd7 ("net: phy: micrel: add phy-mode support for
> > the
> > KSZ9031 PHY") the networking is broken on boards:
> >  am437x-gp-evm
> >  am437x-sk-evm
> >  am437x-idk-evm
> > 
> > All above boards have phy-mode = "rgmii" and this is worked before,
> > because
> > KSZ9031 PHY started with default RGMII internal delays configuration
> > (TX
> > off, RX on 1.2 ns) and MAC provided TX delay. After above commit, the
> > KSZ9031 PHY starts handling phy mode properly and disables RX delay,
> > as
> > result networking is become broken.
> > 
> > Fix it by switching to phy-mode = "rgmii-rxid" to reflect previous
> > behavior.
> > 
> > Cc: Oleksij Rempel <o.rempel@pengutronix.de>
> > Cc: Andrew Lunn <andrew@lunn.ch>
> > Cc: Philippe Schenker <philippe.schenker@toradex.com>
> > Fixes: commit bcf3440c6dd7 ("net: phy: micrel: add phy-mode support
> > for the KSZ9031 PHY")
> > Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
> 
> Reviewed-by: Philippe Schenker <philippe.schenker@toradex.com>

Thanks applying into fixes.

Tony