[OpenWrt-Devel] ar71xx Vs ath79 -- sysupgrade

[Henrique de Moraes Holschuh]

Em 04/12/2018 19:57, Piotr Dymacz escreveu:
> On 04.12.2018 17:08, Henrique de Moraes Holschuh wrote:
>>> Another aspect was the LED configuration, as LED naming is very
>>> inconsistent and often differs from ar71xx. Some LEDs are now not
>>> included in UCI configuration. >
>>> So you either need to delete (and recreate) them ore just dump your
>>> '/etc/config/system' and recreate it using "config_generate".
>>
>> Is it possible to have uci-defaults/ to fix those on upgrade (i.e. when
>> it detects ar71xx-style traces in the system)?  As well as the wmac path?
>>
>> Because a _lot_ of people will need to do ar71xx->ath79.
> 
> ar71xx already includes such "migration" uci-defaults scripts and I 
> believe we could use something similar in ath79 to make the update 
> transparent for users (fix wmac path, LED names etc.). LED example:
> 
> https://github.com/openwrt/openwrt/blob/master/target/linux/ar71xx/base-files/etc/uci-defaults/04_led_migration 

Yes, that's exactly what I meant...

In ath79's case, it makes sense to handle not only changes in the ath79 
DTSes (ath79->ath79), but also migrations from ar71xx (ar71xx->ath79), 
even if we create a specific config option to handle that (to compile it 
out from small flash devices, for example).

Do we have a wiki table somewhere that has the device name, ar71xx info 
and ath79 info, which could be expanded with ar71xx->ath79 status (no, 
yes but unverified, yes verified to be complete)?

That would be really useful to direct efforts on adding ath79 support to 
something that is still ar71xx-only, as well as adding ar71xx->ath79 
support to targets of interest (i.e. those one happens to know what 
changes are required for the migration, really).

I suppose one would also add any remarks about ath79 support being 
incomplete or any regressions for each target one knows about, too. 
That would help steering the ar71xx deprecation.

-- 
Henrique de Moraes Holschuh
Analista de Projetos
Centro de Estudos e Pesquisas em Tecnologias de Redes e Operações 
(Ceptro.br)
+55 11 5509-3537 R.:4023
INOC 22548*625
www.nic.br

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