[OpenWrt-Devel] Migration in ath79 for swapped ethernet

[Peter Geis]

On Mon, Jan 27, 2020 at 1:35 PM Adrian Schmutzler
<mail at adrianschmutzler.de> wrote:
>
> Just a quick one:
>
> > > So, no matter what we do, there is no easy way forward.
> >
> > We could remove all ar71xx -> ath79 migration helper scripts, ar71xx
> > board names from supported devices lists in ath79 images and make the
> > target a brand new, without any concerns about soon-to-be obsolete ar71xx ;)
>
> At the moment, I'm actually mostly inclined towards this solution.
>
> However, for me personally SUPPORTED_DEVICES was always more a "don't brick entirely" flag, so I never expected it to ensure 100 % config compatibility. More like preventing me from flashing ubnt,unifi image onto tplink,wdr-4300-v1. This impression might have been wrong, though.
>
> But as mentioned by Ansuel, there are other incompatible switches to come (and some are already waiting), and unless we want to create new targets or rename devices in these cases, we have to think about different "levels" of compatibility anyway beyond ar71xx->ath79.

Wouldn't it be reasonable to put up a warning that migrating from
ar71xx->ath79 will require a reset of networking configuration?
Then all you need to do is detect when that sort of upgrade is
occurring and nuke the requisite files.

Also I don't know bout y'all, but I usually take a major revision
upgrade as an opportunity to hard reset and rebuild anyways. (Years of
ingrained ddwrt habits)

>
> Best
>
> Adrian
>
>
>
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