linux-kernel - Re: PROBLEM: Broken or delayed ethernet on Xilinx ZCU104 since 5.18 (regression)

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Message-ID: <c38e208b-4ffa-4310-ae00-412447fc4269@lunn.ch>
Date:   Sat, 5 Aug 2023 09:25:23 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Nick Bowler <nbowler@...conx.ca>
Cc:     Rob Herring <robh@...nel.org>,
        Saravana Kannan <saravanak@...gle.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        netdev@...r.kernel.org, regressions@...ts.linux.dev
Subject: Re: PROBLEM: Broken or delayed ethernet on Xilinx ZCU104 since 5.18
 (regression)

> > It was also commented out before that change. It could be that gpio
> > controller is missing. Do you have the driver for the tca6416 in
> > your kernel configuration?
> 
> I have CONFIG_GPIO_PCA953X=y which I think is the correct driver?

It does appear to be the correct driver. But check if it has
loaded. It is an i2c device, so maybe you are missing the I2C bus
master device?

       Andrew