Am 05.05.2015 um 22:17 schrieb Heiner Kallweit:
> Am 05.05.2015 um 08:29 schrieb Wojciech Dubowik:
>> On 04/05/15 22:45, Heiner Kallweit wrote:
>>> I tried to make the TL-WDR4900 work under kernel 4.0.
>>> Adjusting the platform-specific patches was quickly done and the system
>>> boots.
>>> However I get the following error messages.
>>>
>>> [ 2.959975] /leds/system: could not get #gpio-cells for
>>> /soc@ffe00000/gpio-controller@f000
>>> [ 2.968276] leds-gpio: probe of leds failed with error -22
>>> [ 34.622909] /buttons/reset: could not get #gpio-cells for
>>> /soc@ffe00000/gpio-controller@f000
>>> [ 34.631383] gpio-keys buttons: Failed to get gpio flags, error: -22
>>> [ 34.637657] gpio-keys: probe of buttons failed with error -22
>>>
>>> I'm not a device tree expert, what I checked so far:
>>> The gpio-related section in tl-wdr4900-v1.dts is empty
>>>
>>> gpio0: gpio-controller@f000 {
>>> };
>> Gpio controller is now at fc00. See latest commit for
>> arch/powerpc/boot/dts/fsl/pq3-gpio-0.dtsi.
>> Regards,
>> Wojtek
>>
>> PS. I have been also trying 4.0 but I have ran into so many problems with
>> gianfar that I have given it up.
>> For now...
> Thanks. I face issues with the network as well and had to attach a serial
> console + tftpboot to make it work again.
> Back to 3.19.0 now ..
>
> Heiner
>
I gave it one more try and replaced the gianfar driver from 4.0.1 with the one
from 3.19.0. Results:
- When rebooting first time after flashing the system (4.0.1) came up properly
and was reachable via network.
- After next reboot: system hangs
Booting the failing system with a serial console attached shows that after
"procd -init-" nothing happens.
I can log in via serial console. ps -ef showed that /etc/rc.d/S00sysfixtime was
hanging.
Checking the commands in this script manually I figured out that each access to
"/etc/uci-default" blocks the console.
Seems like the first start after flashing the system does something bad with
/etc/uci-defaults.
Or for whatever reason something can't deal properly with the empty
/etc/uci-defaults after the second boot.
No clue whom to blame ..
Heiner
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