[LEDE-DEV] [PATCH 0/4] ar71xx: add support for kernel 4.9

[Andrey Jr. Melnikov]

Arjen de Korte <arjen+lede at de-korte.org> wrote:
> Citeren Hauke Mehrtens <hauke at hauke-m.de>:

> > This adds support for kernel 4.9.
> > Please test this, I am lacking especially NAND devices.
> >
> > The most recent version of these patches can be found here:
> > https://git.lede-project.org/?p=lede/hauke/staging.git;a=shortlog;h=refs/heads/ar71xx
> >
> > Hauke Mehrtens (4):
> >   ar71xx: Copy kernel 4.4 code for kernel 4.9
> >   ar71xx: make the target compile with kernel 4.9
> >   ar71xx: fix section mismatches
> >   ar71xx: switch to kernel 4.9 by default

> I checked the above patches on a WNDR4300 (a NAND device). No issues  
> when building, but the device entered a bootloop after flashing with  
> sysupgrade. Since this is a production system, I didn't have time to  
> dig into what is exactly causing this.

ar934x NAND driver missing cmd_ctrl() function - so NAND devices not work at all.

[    3.575549] nand: chip.cmd_ctrl() callback is not provided
[    3.581103] ar934x-nfc ar934x-nfc: nand_scan_ident failed, err:-22
[    3.587515] ar934x-nfc: probe of ar934x-nfc failed with error -22