linux-kernel - Re: [PATCH v2 2/2] arm64: dts: mediatek: Set mediatek,mac-wol on DWMAC node for all boards

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Message-Id: <D5LWHT7OU9DQ.NCMSTUWT5991@kernel.org>
Date: Thu, 14 Nov 2024 13:29:32 +0100
From: "Michael Walle" <mwalle@...nel.org>
To: "AngeloGioacchino Del Regno" <angelogioacchino.delregno@...labora.com>,
 Nícolas F. R. A. Prado <nfraprado@...labora.com>
Cc: <kernel@...labora.com>, <netdev@...r.kernel.org>,
 <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
 <linux-arm-kernel@...ts.infradead.org>,
 <linux-mediatek@...ts.infradead.org>, "Andrew Lunn"
 <andrew+netdev@...n.ch>, "David S. Miller" <davem@...emloft.net>, "Eric
 Dumazet" <edumazet@...gle.com>, "Jakub Kicinski" <kuba@...nel.org>, "Paolo
 Abeni" <pabeni@...hat.com>, "Rob Herring" <robh@...nel.org>, "Krzysztof
 Kozlowski" <krzk+dt@...nel.org>, "Conor Dooley" <conor+dt@...nel.org>,
 "Matthias Brugger" <matthias.bgg@...il.com>, "Biao Huang"
 <biao.huang@...iatek.com>, "Alexandre Torgue"
 <alexandre.torgue@...s.st.com>, "Jose Abreu" <joabreu@...opsys.com>,
 "Maxime Coquelin" <mcoquelin.stm32@...il.com>, "Bartosz Golaszewski"
 <bartosz.golaszewski@...aro.org>, "Andrew Halaney" <ahalaney@...hat.com>,
 "Simon Horman" <horms@...nel.org>
Subject: Re: [PATCH v2 2/2] arm64: dts: mediatek: Set mediatek,mac-wol on
 DWMAC node for all boards

Hi,

On Thu Nov 14, 2024 at 10:26 AM CET, AngeloGioacchino Del Regno wrote:
> Il 09/11/24 16:16, Nícolas F. R. A. Prado ha scritto:
> > Due to the mediatek,mac-wol property previously being handled backwards
> > by the dwmac-mediatek driver, its use in the DTs seems to have been
> > inconsistent.
> > 
> > Now that the driver has been fixed, correct this description. All the
> > currently upstream boards support MAC WOL, so add the mediatek,mac-wol
> > property to the missing ones.
> > 
> > Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>
> > ---
> >   arch/arm64/boot/dts/mediatek/mt2712-evb.dts                   | 1 +
> >   arch/arm64/boot/dts/mediatek/mt8195-demo.dts                  | 1 +
> >   arch/arm64/boot/dts/mediatek/mt8395-kontron-3-5-sbc-i1200.dts | 1 +
> >   3 files changed, 3 insertions(+)
> > 
>
> ..snip..
>
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8195-demo.dts b/arch/arm64/boot/dts/mediatek/mt8195-demo.dts
> > index 31d424b8fc7cedef65489392eb279b7fd2194a4a..c12684e8c449b2d7b3b3a79086925bfe5ae0d8f8 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt8195-demo.dts
> > +++ b/arch/arm64/boot/dts/mediatek/mt8195-demo.dts
> > @@ -109,6 +109,7 @@ &eth {
> >   	pinctrl-names = "default", "sleep";
> >   	pinctrl-0 = <&eth_default_pins>;
> >   	pinctrl-1 = <&eth_sleep_pins>;
> > +	mediatek,mac-wol;
>
> The demo board has the same WoL capability as the EVK, so you can avoid adding the
> mac-wol property here.

Not sure I can follow you here.

>
> >   	status = "okay";
> >   
> >   	mdio {
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8395-kontron-3-5-sbc-i1200.dts b/arch/arm64/boot/dts/mediatek/mt8395-kontron-3-5-sbc-i1200.dts
> > index e2e75b8ff91880711c82f783c7ccbef4128b7ab4..4985b65925a9ed10ad44a6e58b9657a9dd48751f 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt8395-kontron-3-5-sbc-i1200.dts
> > +++ b/arch/arm64/boot/dts/mediatek/mt8395-kontron-3-5-sbc-i1200.dts
> > @@ -271,6 +271,7 @@ &eth {
> >   	pinctrl-names = "default", "sleep";
> >   	pinctrl-0 = <&eth_default_pins>;
> >   	pinctrl-1 = <&eth_sleep_pins>;
> > +	mediatek,mac-wol;
>
> I'm mostly sure that Kontron's i1200 works the same as the EVK in regards to WoL.
>
> Michael, I recall you worked on this board - can you please confirm?

I'd say so. Honestly, I've never tried WoL on this board, but I'm
not aware of any difference to the *demo* board (not the EVK).

-michael

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