From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 507EA40A for ; Thu, 23 Jul 2015 15:08:32 +0000 (UTC) Received: from gloria.sntech.de (gloria.sntech.de [95.129.55.99]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 61AD2103 for ; Thu, 23 Jul 2015 15:08:31 +0000 (UTC) From: Heiko =?ISO-8859-1?Q?St=FCbner?= To: ksummit-discuss@lists.linuxfoundation.org Date: Thu, 23 Jul 2015 17:08:28 +0200 Message-ID: <1896782.UqW9B1Ukad@diego> In-Reply-To: <20150723105726.GC30929@amd> References: <20150723105726.GC30929@amd> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="iso-8859-1" Cc: Pavel Machek Subject: Re: [Ksummit-discuss] [CORE TOPIC] Mainline kernel on a cellphone List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Am Donnerstag, 23. Juli 2015, 12:57:26 schrieb Pavel Machek: > Significant percentage of phones run Linux kernel today, but geting > mainline kernel to work on a phone is very hard to do. (So hard, that= > newest device that is close to working on recent mainline was made in= > 2009.) There are multiple obstacles, including huge patches from > silicon vendors, missing GNU/Linux userspace support that makes kerne= l > testing hard, interfaces unsuitable for phones and power management > problems. >>From work I know some MSM8916 phones which came to market over half a y= ear ago=20 ad just now seem to get basic clock support in mainline. But I guess the problem is not limited to cellphones but to all mobile=20= consumer electronics, where the development model is based on hacking o= n some=20 fork of an old kernel. But I do think the ChromeOS people do quite a lot things right in terms= of=20 development model, as I can run a Debian (including 3d-acceleration) on= the=20 just released Rockchip Chromebooks with only a minimal number of additi= onal=20 patches against 4.2-rc ;-) > Interested people: >=20 > Sebastian Reichel > Pali Roh=E1r The Openmoko Freerunner brought me into the embedded world in the first= place,=20 so I'd definitly be interested ;-) Heiko Stuebner