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

[Hauke Mehrtens]

On 10/09/2017 01:28 PM, Andrey Jr. Melnikov wrote:
> 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.

Hi,

Was SFP working before?

If it was working with kernel 4.4, what does not work any more?

Hauke