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Only open links or attachments if you trust the sender. Report suspicious emails using Outlook’s “Report” button. > > On Tue, Feb 17, 2026 at 02:59:49PM +0200, Ian Ray wrote: > > Set `phy-mode' on network switch CPU ports to eliminate a warning. > > > > Signed-off-by: Ian Ray > > --- > > arch/arm/boot/dts/nxp/imx/imx6q-b450v3.dts | 1 + > > arch/arm/boot/dts/nxp/imx/imx6q-b650v3.dts | 1 + > > arch/arm/boot/dts/nxp/imx/imx6q-b850v3.dts | 1 + > > 3 files changed, 3 insertions(+) > > > > diff --git a/arch/arm/boot/dts/nxp/imx/imx6q-b450v3.dts b/arch/arm/boot/dts/nxp/imx/imx6q-b450v3.dts > > index d994b32ad825..7326b8ad08cb 100644 > > --- a/arch/arm/boot/dts/nxp/imx/imx6q-b450v3.dts > > +++ b/arch/arm/boot/dts/nxp/imx/imx6q-b450v3.dts > > @@ -140,6 +140,7 @@ port@3 { > > port@4 { > > reg = <4>; > > label = "cpu"; > > + phy-mode = "gmii"; > > Are the PHYs external to the switch? Yes, port 4 is connected to an I210. > > > port@4 { > > reg = <4>; > > label = "cpu"; > > + phy-mode = "gmii"; > > ethernet = <&switch_nic>; > > phy-handle = <&switchphy4>; > > You have back to back PHYs on the CPU port? This is not wrong, but > unusual. No, the patch sets `phy-mode' on three different boards. (If I understand your question correctly.) Thanks, Ian > > Andrew