Re: linux 4.2-rc1 broken Nokia N900

["Pali Rohár" <pali.rohar@gmail.com>]

On Friday 24 July 2015 16:18:09 Dave Young wrote:
> On 07/11/15 at 02:05pm, Pali Rohár wrote:
> > Hello,
> > 
> > now I tested 4.2-rc1 release on Nokia N900 and couple of drivers are
> > broken and cause kernel oops...
> > 
> > Basically wifi, touchscreen and rtc drivers not working...
> > 
> 
> Pali, could you tell how do you test mainline kernel on n900?
> 
> I used to use n900 as a usb dbgp gadget with a backport patch to
> 2.6.28 so that I can get early debug kernel message from my laptop.
> 
> I tried mainline previously with Fedora arm, text mode works but
> no graphics. Is there a way to use maemo UI with mainline kernel?
> 
> Thanks
> Dave

Hi! Starting Maemo with mainline kernel is not possible. But you can
patch Maemo (userspace) and apply some kernel patches and you could boot
Maemo system with Hildon UI.

You need:

Patched kernel:
https://github.com/pali/linux-n900

CSSU-devel:
https://wiki.maemo.org/CSSU
http://talk.maemo.org/showthread.php?t=84292

Open source battery management:
http://talk.maemo.org/showthread.php?t=93183

Fixup for Dialer application (rtcom-call-ui):
Fixing HAL path /org/freedesktop/Hal/devices/platform_soc_audio_logicaldev_input

Fixup for SGX video driver:
Fixing script /etc/event.d/sgx

If you do not know how to fix HAL & SGX script I can send you later
needed information. But I do not know them right now.

-- 
Pali Rohár
pali.rohar@gmail.com