linux-kernel - Re: [PATCH 2/3] ARM: dts: BCM5301X: Linksys EA9500 add port 5 and port 7

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Date:   Thu, 8 Oct 2020 16:20:47 -0400
From:   Vivek Unune <npcomplete13@...il.com>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     Andrew Lunn <andrew@...n.ch>, devicetree@...r.kernel.org,
        Hauke Mehrtens <hauke@...ke-m.de>,
        Rafał Miłecki <zajec5@...il.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        bcm-kernel-feedback-list <bcm-kernel-feedback-list@...adcom.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 2/3] ARM: dts: BCM5301X: Linksys EA9500 add port 5 and
 port 7

Thanks Florian, I'll do that!

On Thu, Oct 8, 2020 at 10:58 AM Florian Fainelli <f.fainelli@...il.com> wrote:
>
>
>
> On 10/7/2020 5:32 PM, Andrew Lunn wrote:
> >> This router is currently not enabled in Openwrt
> >
> > You have to be careful here. Not everything runs OpenWRT. You cannot
> > break backwards compatibility in mainline, simple as that. You need to
> > ensure that mainline does not see a change in the CPU port.
>
> I don't think this is breaking anything, in premise all 3 CPU interfaces
> are completely interchangeable, with the notable fact that port 8
> happens to have the flow accelerator block available for re-circulation
> of packets if we wanted to support a NATP offload at some point in the
> future.
>
> Vivek, maybe you can add ports 5 and 7 in the Device Tree and mark them
> as disabled for now.
> --
> Florian