AW: [PATCH 0/7] lantiq: initial support for x490 Fritzboxes

[Mathias Kresin]

2/11/22 23:39, kestrel1974 at t-online.de:
> Hi,
> 
> I have created a new PR:
> https://github.com/openwrt/openwrt/pull/5074
> 
> Which also includes a remote processor framework kernel module, which
> has not been sent upstream yet. But it could be the basis to make wifi
> or the secondary SoC work too.
> It still misses a way of configuring the wifi part, but that can be scripted and
> will neither added nor covered by this PR, because its a separate topic and
> likely belongs to a feeds package.
> 
> Looking at your submitted patches, many fritzbox devices have different
> NAND manufacturers. So the best way is to support all.
> I created a DTB and image configuration for Micron and non Micron NAND.
> This is probably the best way and not supporting just one NAND type per
> device. Unfortunately auto detection was not accepted by the kernel
> maintainers, so there is no other solution.
> 
> I also saw the addition of ubifs. I have not used this so far and I wonder
> what the advantage is over using squashfs with overlay?

Let me cite https://en.wikipedia.org/wiki/UBIFS

- tracking NAND flash bad blocks
- providing wear leveling

NAND is a rather unreliable type of flash, hence some special treatment 
has to be done to make it last as long as possible.

Mathias