On Fri, May 01, 2020 at 08:27:56AM +0100, Jon Hunter wrote: > The 'phy-mode' property is currently defined as 'rgmii' for Jetson > Xavier. This indicates that the RGMII RX and TX delays are set by the > MAC and the internal delays set by the PHY are not used. > > If the Marvell PHY driver is enabled, such that it is used and not the > generic PHY, ethernet failures are seen (DHCP is failing to obtain an > IP address) and this is caused because the Marvell PHY driver is > disabling the internal RX and TX delays. For Jetson Xavier the internal > PHY RX and TX delay should be used and so fix this by setting the > 'phy-mode' to 'rgmii-id' and not 'rgmii'. > > Cc: stable@xxxxxxxxxxxxxxx > > Signed-off-by: Jon Hunter <jonathanh@xxxxxxxxxx> > --- > arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Added a Fixes: tag and applied to for-5.8/arm64/dt, thanks. Thierry
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