netdev - Re: [PATCH 0/2] ARM: dts: am335x-evm/evmsk: Fix PHY mode for ethernet

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Date:   Mon, 18 Feb 2019 06:44:30 -0800
From:   Tony Lindgren <tony@...mide.com>
To:     Peter Ujfalusi <peter.ujfalusi@...com>
Cc:     bcousson@...libre.com, linux-omap@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        nsekhar@...com, grygorii.strashko@...com, vkoul@...nel.org,
        netdev@...r.kernel.org, f.fainelli@...il.com,
        marc.w.gonzalez@...e.fr, niklas.cassel@...aro.org
Subject: Re: [PATCH 0/2] ARM: dts: am335x-evm/evmsk: Fix PHY mode for ethernet

* Peter Ujfalusi <peter.ujfalusi@...com> [190218 14:36]:
> Hi,
> 
> cd28d1d6e52e: ("net: phy: at803x: Disable phy delay for RGMII mode") broke the
> ethernet networking on evmsk (and most likely on the evm as well):
> https://patchwork.ozlabs.org/patch/1028527/
> 
> v1 patch to fix the situation:
> https://patchwork.ozlabs.org/patch/1040617/
> 
> It turned out that the at803x driver is actually broken and need to be fixed
> along with the DT data.
> 
> The following series is proposed to fix the driver:
> https://patchwork.ozlabs.org/project/netdev/list/?series=92611
> 
> but the PHT mode needs to be switched to rgmii-id from rgmii-txid:
> The rx delay is enabled by default and the driver never disabled it so when
> asking rgmii-txid it actually got rgmii-id.
> 
> The patch can be backported to stable, I have tested that it is not causing
> regression with the old, broken driver.

Can the dts changes be merged before the driver changes or
does it cause the phy to stop working?

Regards,

Tony