linux-kernel - Re: [PATCH] arm64: dts: ls1028a: sl28: use ocelot-8021q tagging by default

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Message-ID: <20220331153748.pkzqops4h2orgpu2@skbuf>
Date:   Thu, 31 Mar 2022 15:37:49 +0000
From:   Vladimir Oltean <vladimir.oltean@....com>
To:     Michael Walle <michael@...le.cc>
CC:     Shawn Guo <shawnguo@...nel.org>, Leo Li <leoyang.li@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH] arm64: dts: ls1028a: sl28: use ocelot-8021q tagging by
 default

On Wed, Mar 30, 2022 at 01:33:29PM +0200, Michael Walle wrote:
> Enable the ocelot-8021q tagger by default which supports ethernet flow
> control.
> 
> The new default is set in the common board dtsi. The actual switch
> node is enabled on a per board variant basis. Because of this we
> set the new tagger default for both internal ports and a particular
> variant is free to choose among the two port.
> 
> Signed-off-by: Michael Walle <michael@...le.cc>
> ---

Reviewed-by: Vladimir Oltean <vladimir.oltean@....com>

>  .../arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts
> index 7ef47b80e343..68d11a9c67f3 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts
> @@ -328,6 +328,14 @@ &lpuart1 {
>  	status = "okay";
>  };
>  
> +&mscc_felix_port4 {
> +	dsa-tag-protocol = "ocelot-8021q";
> +};
> +
> +&mscc_felix_port5 {
> +	dsa-tag-protocol = "ocelot-8021q";
> +};
> +
>  &usb0 {
>  	status = "okay";
>  };
> -- 
> 2.30.2
>