linux-kernel - RE: [PATCH net v2] powerpc: dts: t208x: Disable 10G on MAC1 and MAC2

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Message-ID: <VI1PR04MB5807E65FA99FE10D53804445F2E89@VI1PR04MB5807.eurprd04.prod.outlook.com>
Date:   Thu, 22 Dec 2022 15:41:00 +0000
From:   Camelia Alexandra Groza <camelia.groza@....com>
To:     Sean Anderson <sean.anderson@...o.com>,
        "David S . Miller" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:     "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Nicholas Piggin <npiggin@...il.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Sean Anderson <sean.anderson@...o.com>
Subject: RE: [PATCH net v2] powerpc: dts: t208x: Disable 10G on MAC1 and MAC2

> -----Original Message-----
> From: Camelia Alexandra Groza <camelia.groza@....com>
> Sent: Monday, December 19, 2022 18:23
> To: Sean Anderson <sean.anderson@...o.com>; David S . Miller
> <davem@...emloft.net>; netdev@...r.kernel.org
> Cc: devicetree@...r.kernel.org; Rob Herring <robh+dt@...nel.org>;
> Christophe Leroy <christophe.leroy@...roup.eu>; Nicholas Piggin
> <npiggin@...il.com>; Michael Ellerman <mpe@...erman.id.au>; linuxppc-
> dev@...ts.ozlabs.org; Krzysztof Kozlowski
> <krzysztof.kozlowski+dt@...aro.org>; linux-kernel@...r.kernel.org; Sean
> Anderson <sean.anderson@...o.com>
> Subject: RE: [PATCH net v2] powerpc: dts: t208x: Disable 10G on MAC1 and
> MAC2
> 
> > -----Original Message-----
> > From: Sean Anderson <sean.anderson@...o.com>
> > Sent: Friday, December 16, 2022 19:30
> > To: David S . Miller <davem@...emloft.net>; netdev@...r.kernel.org
> > Cc: devicetree@...r.kernel.org; Rob Herring <robh+dt@...nel.org>;
> > Christophe Leroy <christophe.leroy@...roup.eu>; Nicholas Piggin
> > <npiggin@...il.com>; Michael Ellerman <mpe@...erman.id.au>; linuxppc-
> > dev@...ts.ozlabs.org; Krzysztof Kozlowski
> > <krzysztof.kozlowski+dt@...aro.org>; linux-kernel@...r.kernel.org;
> Camelia
> > Alexandra Groza <camelia.groza@....com>; Sean Anderson
> > <sean.anderson@...o.com>
> > Subject: [PATCH net v2] powerpc: dts: t208x: Disable 10G on MAC1 and
> > MAC2
> >
> > There aren't enough resources to run these ports at 10G speeds. Disable
> > 10G for these ports, reverting to the previous speed.
> >
> > Fixes: 36926a7d70c2 ("powerpc: dts: t208x: Mark MAC1 and MAC2 as 10G")
> > Reported-by: Camelia Alexandra Groza <camelia.groza@....com>
> > Signed-off-by: Sean Anderson <sean.anderson@...o.com>
> > ---
> 
> Thank you.
> 
> Reviewed-by: Camelia Groza <camelia.groza@....com>
> Tested-by: Camelia Groza <camelia.groza@....com>

I see the patch marked Not Applicable in the netdev patchwork.
What tree will it go through?

> > Changes in v2:
> > - Remove the 10g properties, instead of removing the MAC dtsis.
> >
> >  arch/powerpc/boot/dts/fsl/t2081si-post.dtsi | 16 ++++++++++++++++
> >  1 file changed, 16 insertions(+)
> >
> > diff --git a/arch/powerpc/boot/dts/fsl/t2081si-post.dtsi
> > b/arch/powerpc/boot/dts/fsl/t2081si-post.dtsi
> > index 74e17e134387..27714dc2f04a 100644
> > --- a/arch/powerpc/boot/dts/fsl/t2081si-post.dtsi
> > +++ b/arch/powerpc/boot/dts/fsl/t2081si-post.dtsi
> > @@ -659,3 +659,19 @@ L2_1: l2-cache-controller@...000 {
> >  		interrupts = <16 2 1 9>;
> >  	};
> >  };
> > +
> > +&fman0_rx_0x08 {
> > +	/delete-property/ fsl,fman-10g-port;
> > +};
> > +
> > +&fman0_tx_0x28 {
> > +	/delete-property/ fsl,fman-10g-port;
> > +};
> > +
> > +&fman0_rx_0x09 {
> > +	/delete-property/ fsl,fman-10g-port;
> > +};
> > +
> > +&fman0_tx_0x29 {
> > +	/delete-property/ fsl,fman-10g-port;
> > +};
> > --
> > 2.35.1.1320.gc452695387.dirty