linux-kernel - Re: [PATCH v3 1/5] arm64: dts: meson: g12b: odroid-n2: fix PHY deassert timing requirements

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Message-Id: <160736852894.39684.3406899524817191739.b4-ty@baylibre.com>
Date:   Mon,  7 Dec 2020 11:15:34 -0800
From:   Kevin Hilman <khilman@...libre.com>
To:     Stefan Agner <stefan@...er.ch>
Cc:     martin.blumenstingl@...glemail.com,
        linux-amlogic@...ts.infradead.org, devicetree@...r.kernel.org,
        jbrunet@...libre.com, christianshewitt@...il.com,
        jian.hu@...ogic.com, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, narmstrong@...libre.com,
        robh+dt@...nel.org
Subject: Re: [PATCH v3 1/5] arm64: dts: meson: g12b: odroid-n2: fix PHY deassert timing requirements

On Mon, 7 Dec 2020 18:57:59 +0100, Stefan Agner wrote:
> According to the datasheet (Rev. 1.9) the RTL8211F requires at least
> 72ms "for internal circuits settling time" before accessing the PHY
> registers. This fixes an issue where the Ethernet link doesn't come up
> when using ip link set down/up:
>   [   29.360965] meson8b-dwmac ff3f0000.ethernet eth0: Link is Down
>   [   34.569012] meson8b-dwmac ff3f0000.ethernet eth0: PHY [0.0:00] driver [RTL8211F Gigabit Ethernet] (irq=31)
>   [   34.676732] meson8b-dwmac ff3f0000.ethernet: Failed to reset the dma
>   [   34.678874] meson8b-dwmac ff3f0000.ethernet eth0: stmmac_hw_setup: DMA engine initialization failed
>   [   34.687850] meson8b-dwmac ff3f0000.ethernet eth0: stmmac_open: Hw setup failed

Applied, thanks!

[1/5] arm64: dts: meson: g12b: odroid-n2: fix PHY deassert timing requirements
      commit: 1c7412530d5d0e0a0b27f1642f5c13c8b9f36f05
[2/5] arm64: dts: meson: fix PHY deassert timing requirements
      commit: c183c406c4321002fe85b345b51bc1a3a04b6d33
[3/5] ARM: dts: meson: fix PHY deassert timing requirements
      commit: 656ab1bdcd2b755dc161a9774201100d5bf74b8d
[4/5] arm64: dts: meson: g12a: x96-max: fix PHY deassert timing requirements
      commit: 3d07c3b3a886fefd583c1b485b5e4e3c4e2da493
[5/5] arm64: dts: meson: g12b: w400: fix PHY deassert timing requirements
      commit: 9e454e37dc7c0ee9e108d70b983e7a71332aedff

Best regards,
-- 
Kevin Hilman <khilman@...libre.com>