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

Arjen de Korte arjen+lede at de-korte.org
Sun Oct 8 09:52:46 PDT 2017

Citeren Hauke Mehrtens <hauke at hauke-m.de>:

> 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 your staging tree on a WNDR4300, looking well. I'll keep an eye  
on it over the next few days.

Regards, Arjen

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