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

From: Tony Lindgren <[email-masked]>
Date: Mon, 18 Feb 2019 06:44:30 -0800

* Peter Ujfalusi <[email-masked]> [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

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