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

[Andrey Jr. Melnikov]

Hauke Mehrtens <hauke at hauke-m.de> wrote:
> On 10/08/2017 01:31 PM, Andrey Jr. Melnikov wrote:
> > 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

> Hi,

> Thanks for testing and reporting back.

> I tried to fix this problem, can you please try the most recent version
> from my git tree. This now has this additional change:
> https://git.lede-project.org/?p=lede/hauke/staging.git;a=commitdiff;h=42a49cbca96875be43913688da60d637cbdff604

Tested on mikrotik rb2011 (2011r5)

NAND working:

[    3.576007] nand: device found, Manufacturer ID: 0xef, Chip ID: 0xf1  
[    3.582617] nand: Unknown NAND 128MiB 3,3V 8-bit
[    3.587387] nand: 128 MiB, SLC, erase size: 128 KiB, page size: 2048, OOB size: 64
[    3.595261] Scanning device for bad blocks
[    3.645341] Bad eraseblock 889 at 0x000006f20000
[    3.657026] Creating 3 MTD partitions on "ar934x-nfc":
[    3.662371] 0x000000000000-0x000000040000 : "booter"
[    3.669186] 0x000000040000-0x000000400000 : "kernel" 
[    3.676383] 0x000000400000-0x000008000000 : "ubi"
[    3.687064] libphy: Fixed MDIO Bus: probed

USB working, ethernet working, SFP not working.