Subject: Re: [bug report] armada-8040-mcbin: 5.6-rc5 boot failure

From: Russell King - ARM Linux admin <[email-masked]>
Date: Tue, 14 Apr 2020 17:55:33 +0100

On Tue, Apr 14, 2020 at 06:08:38PM +0200, Willy Tarreau wrote:
> Hi,
> 
> On Tue, Apr 14, 2020 at 07:03:54PM +0300, Sergey Matyukevich wrote:
> > I have not changed configuration since 5.3, so all the marvell phy
> > drivers are in place. Is there anything in configuration that could
> > be missed after moving from 5.3 to 5.6 kernel ?
> 
> FWIW mine works perfectly fine with 5.4 at 1G/2.5G/10G. From what I can
> quickly check here are the relevant parts in my config for ethernet (not
> sure all are needed though):
> 
> CONFIG_NET_VENDOR_MARVELL=y
> CONFIG_MVMDIO=y
> CONFIG_MVPP2=y
> CONFIG_MDIO_DEVICE=y
> CONFIG_MDIO_BUS=y
> CONFIG_MDIO_BITBANG=y

Macchiatobin doesn't bitbang the MDIO bus.

> CONFIG_MDIO_BUS_MUX=y
> CONFIG_MDIO_BUS_MUX_MMIOREG=y
> CONFIG_MDIO_BUS_MUX_MULTIPLEXER=y

There's no MDIO bus muxing on Macchiatobin.

> CONFIG_MDIO_I2C=y
> CONFIG_PHYLINK=y
> CONFIG_PHYLIB=y
> CONFIG_SWPHY=y
> CONFIG_SFP=y
> CONFIG_FIXED_PHY=y

CONFIG_FIXED_PHY should no longer be required.

> CONFIG_MARVELL_PHY=y
> CONFIG_MARVELL_10G_PHY=y
> Not tested 5.6 yet.
> Hoping this helps,
> Willy

-- 
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