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Date:   Wed, 23 Dec 2020 02:50:07 +0000
To:     Martin Blumenstingl <>
Subject: Re: [PATCH] net: stmmac: dwmac-meson8b: ignore the second clock input


This patch was applied to netdev/net.git (refs/heads/master):

On Sat, 19 Dec 2020 14:50:36 +0100 you wrote:
> The dwmac glue registers on Amlogic Meson8b and newer SoCs has two clock
> inputs:
> - Meson8b and Meson8m2: MPLL2 and MPLL2 (the same parent is wired to
>   both inputs)
> - GXBB, GXL, GXM, AXG, G12A, G12B, SM1: FCLK_DIV2 and MPLL2
> All known vendor kernels and u-boots are using the first input only. We
> let the common clock framework automatically choose the "right" parent.
> For some boards this causes a problem though, specificially with G12A and
> newer SoCs. The clock input is used for generating the 125MHz RGMII TX
> clock. For the two input clocks this means on G12A:
> - FCLK_DIV2: 999999985Hz / 8 = 124999998.125Hz
> - MPLL2: 499999993Hz / 4 = 124999998.25Hz
> [...]

Here is the summary with links:
  - net: stmmac: dwmac-meson8b: ignore the second clock input

You are awesome, thank you!
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