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Date: Fri, 24 Jul 2020 14:55:19 -0700 From: "santosh.shilimkar@...cle.com" <santosh.shilimkar@...cle.com> To: "arm@...nel.org" <arm@...nel.org>, Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net> Cc: Grygorii Strashko <grygorii.strashko@...com>, Murali Karicheri <m-karicheri2@...com>, Santosh Shilimkar <ssantosh@...nel.org>, Sekhar Nori <nsekhar@...com>, linux-arm-kernel@...ts.infradead.org, "David S . Miller" <davem@...emloft.net>, linux-kernel@...r.kernel.org, netdev@...r.kernel.org, devicetree@...r.kernel.org, Oleksij Rempel <o.rempel@...gutronix.de>, Andrew Lunn <andrew@...n.ch>, Philippe Schenker <philippe.schenker@...adex.com> Subject: Re: [RESEND PATCH] ARM: dts: keystone-k2g-evm: fix rgmii phy-mode for ksz9031 phy Hi Arnd, Olof, On 7/24/20 2:42 PM, Grygorii Strashko wrote: > Since commit bcf3440c6dd7 ("net: phy: micrel: add phy-mode support for the > KSZ9031 PHY") the networking is broken on keystone-k2g-evm board. > > The above board have phy-mode = "rgmii-id" and it 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 by default. > After above commit, the KSZ9031 PHY starts handling phy mode properly and > enables both RX and TX delays, as result networking is become broken. > > Fix it by switching to phy-mode = "rgmii-rxid" to reflect previous > behavior. > > Cc: Oleksij Rempel <o.rempel@...gutronix.de> > Cc: Andrew Lunn <andrew@...n.ch> > Cc: Philippe Schenker <philippe.schenker@...adex.com> > Fixes: bcf3440c6dd7 ("net: phy: micrel: add phy-mode support for the KSZ9031 PHY") > Signed-off-by: Grygorii Strashko <grygorii.strashko@...com> > --- > Fix for one more broken TI board with KSZ9031 PHY. Can you please apply this patch to your v5.8 fixes branch and send it upstream ? Without the fix K2G EVM board is broken with v5.8. Am hoping you can pick this up with pull request since it just one patch. Regards, Santosh
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