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

Camelia Alexandra Groza camelia.groza at nxp.com
Fri Dec 23 02:41:00 AEDT 2022


> -----Original Message-----
> From: Camelia Alexandra Groza <camelia.groza at nxp.com>
> Sent: Monday, December 19, 2022 18:23
> To: Sean Anderson <sean.anderson at seco.com>; David S . Miller
> <davem at davemloft.net>; netdev at vger.kernel.org
> Cc: devicetree at vger.kernel.org; Rob Herring <robh+dt at kernel.org>;
> Christophe Leroy <christophe.leroy at csgroup.eu>; Nicholas Piggin
> <npiggin at gmail.com>; Michael Ellerman <mpe at ellerman.id.au>; linuxppc-
> dev at lists.ozlabs.org; Krzysztof Kozlowski
> <krzysztof.kozlowski+dt at linaro.org>; linux-kernel at vger.kernel.org; Sean
> Anderson <sean.anderson at seco.com>
> Subject: RE: [PATCH net v2] powerpc: dts: t208x: Disable 10G on MAC1 and
> MAC2
> 
> > -----Original Message-----
> > From: Sean Anderson <sean.anderson at seco.com>
> > Sent: Friday, December 16, 2022 19:30
> > To: David S . Miller <davem at davemloft.net>; netdev at vger.kernel.org
> > Cc: devicetree at vger.kernel.org; Rob Herring <robh+dt at kernel.org>;
> > Christophe Leroy <christophe.leroy at csgroup.eu>; Nicholas Piggin
> > <npiggin at gmail.com>; Michael Ellerman <mpe at ellerman.id.au>; linuxppc-
> > dev at lists.ozlabs.org; Krzysztof Kozlowski
> > <krzysztof.kozlowski+dt at linaro.org>; linux-kernel at vger.kernel.org;
> Camelia
> > Alexandra Groza <camelia.groza at nxp.com>; Sean Anderson
> > <sean.anderson at seco.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 at nxp.com>
> > Signed-off-by: Sean Anderson <sean.anderson at seco.com>
> > ---
> 
> Thank you.
> 
> Reviewed-by: Camelia Groza <camelia.groza at nxp.com>
> Tested-by: Camelia Groza <camelia.groza at nxp.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 at c20000 {
> >  		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



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