Re: linux 4.2-rc1 broken Nokia N900

[Dave Young]

Hi, Pali

On 07/24/15 at 10:40am, Pali Rohár wrote:
> 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.

So I think mainline miss some patches in your linux-n900, I guess they
are for SGX graphic driver?

> 
> 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.

Yes, appreciated for that, just at anytime later you find it.
I have no much time either, so I believe first I need a lot of spare time to read
the threads you mentioned.

Thanks
Dave
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