Re: [PATCH 0/3] Meson8b/8m2: Ethernet RGMII TX delay fixes
From: David Miller
Date: Fri Dec 27 2019 - 19:33:51 EST
From: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx>
Date: Wed, 25 Dec 2019 01:56:52 +0100
> The Ethernet TX performance has been historically bad on Meson8b and
> Meson8m2 SoCs because high packet loss was seen. Today I (presumably)
> found out why this is: the input clock (which feeds the RGMII TX clock)
> has to be at least 4 times 125MHz. With the fixed "divide by 2" in the
> clock tree this means that m250_div needs to be at least 2.
...
It looks there needs to be more discussion on this series, please respin
once the discussions are resolved.
Thank you.