linux-kernel - Re: linux 4.2-rc1 broken Nokia N900

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Message-ID: <20150724105328.GG10476@pali>
Date:	Fri, 24 Jul 2015 12:53:28 +0200
From:	Pali Rohár <pali.rohar@...il.com>
To:	Dave Young <dyoung@...hat.com>
Cc:	Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>,
	Pavel Machek <pavel@....cz>,
	Sebastian Reichel <sre@...nel.org>,
	Aaro Koskinen <aaro.koskinen@....fi>,
	Tony Lindgren <tony@...mide.com>, Nishanth Menon <nm@...com>,
	linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: linux 4.2-rc1 broken Nokia N900

On Friday 24 July 2015 18:28:44 Dave Young wrote:
> On 07/24/15 at 11:30am, Ivaylo Dimitrov wrote:
> > 
> > 
> > On 24.07.2015 11:18, Dave Young wrote:
> > 
> > >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
> > >
> > 
> > http://talk.maemo.org/showpost.php?p=1459970&postcount=142
> > 
> > This is the last (almost) upstream kernel I tried, unfortunately recently I
> > am very short on spare time, so cannot confirm for 4.x kernels, but in
> > theory those should work as well.
> > 
> > The kernel tree was on gitorious, but it is down now(I have a local copy).
> > However, all of the needed patches should be on
> > https://github.com/pali/linux-n900.
> 
> Ivaylo, thanks for your info. I know pali's kernel tree, but the problem is
> I do not know much about the userspace fixes.
> 
> According to another reply from Pali, I should fix HAL and sgx start script.
> 
> Thanks
> Dave

It is not enough, also you need to update Maemo to CSSU-devel version
and install BME replacement stuff (open source battery management).

-- 
Pali Rohár
pali.rohar@...il.com
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