From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roger Quadros Subject: Re: Upstream linux-omap kernel on Nokia N900? Date: Mon, 19 Apr 2010 15:09:37 +0300 Message-ID: <4BCC4801.5010005@nokia.com> References: <87iq7nslvo.fsf@small.ssi.corp> <20100419115855.GG3544@nokia.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from smtp.nokia.com ([192.100.122.230]:58123 "EHLO mgw-mx03.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753915Ab0DSMKt (ORCPT ); Mon, 19 Apr 2010 08:10:49 -0400 In-Reply-To: <20100419115855.GG3544@nokia.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: "Balbi Felipe (Nokia-D/Helsinki)" Cc: ext Arnaud Ebalard , "linux-omap@vger.kernel.org" , "Leukkunen Lauri (Nokia-D/Helsinki)" Balbi Felipe (Nokia-D/Helsinki) wrote: > Hi, > > On Mon, Apr 19, 2010 at 01:49:15PM +0200, ext Arnaud Ebalard wrote: >> Nokia N900 is shipped to users with a 2.6.28 omap kernel. Many patches >> for the hardware and various features have been pushed upstream by Nokia >> developers and possibly others. Those are now available in current l-o >> tree. >> >> Nonetheless, many drivers and various features are still missing >> upstream. Simply put, one cannot expect to run a current l-o kernel on >> the device (and expect to get a GUI and/or make call with the device). > > tell me about it :-p > > Thing is that it doesn't really depend only on Nokia to get those parts > done. Well, we can get the kernel part done by just cleaning up and > porting the 2.6.28 drivers to current mainline, but in case of e.g. SGX > we still miss the xorg driver and I don't think that'll be released any > time soon. > > Another problem is that the bootloader believes it can pass all the > obsoleted OMAP TAGs to kernel and the 2.6.28 kernel depends on those, > maybe that can be worked around. I don't know whether kernel simply > drops invalid TAGs or not... Yes kernel simply drops unrecognized TAGs and just prints a warning message. > > Good work anyways... At least it's now documented ;-) > > PS: > > BTW, CBUS isn't really necessary for n900 and I have almost 40 patches > cleaning that up pending in this mailing list :-p >