From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751539AbbCQF2J (ORCPT ); Tue, 17 Mar 2015 01:28:09 -0400 Received: from mout.kundenserver.de ([212.227.126.130]:54443 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750777AbbCQF2G (ORCPT ); Tue, 17 Mar 2015 01:28:06 -0400 From: Arnd Bergmann To: Kukjin Kim Cc: "'Javier Martinez Canillas'" , "'Olof Johansson'" , "'Doug Anderson'" , "'Andreas Faerber'" , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/3] ARM: dts: Define stdout-patch for Exynos Chromebooks Date: Tue, 17 Mar 2015 06:27:19 +0100 Message-ID: <2791862.CZRe5DtPad@wuerfel> User-Agent: KMail/4.11.5 (Linux/3.16.0-10-generic; KDE/4.11.5; x86_64; ; ) In-Reply-To: <075601d06054$d94e6fa0$8beb4ee0$@kernel.org> References: <1426501710-24177-1-git-send-email-javier.martinez@collabora.co.uk> <075601d06054$d94e6fa0$8beb4ee0$@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Provags-ID: V03:K0:kTb8iGQJcM+d3VJAf8pyMC9wgBzzTvccwqCZucuMjh6gRq5qt6J OdsxJtgWEvMF46cuyGZzrWctfKWdQxukwRIBIr02b0QggIyq7eCm5tNxYXxLIFqDEXPBPJv 120v6hLf4KobIyf9GjyFgyxShArjnHPQI2a7h1My+29WCSr9RLpWSAQJq9qQHpYsrWtq2VH TehYepBgX/hKplJY2cK4A== X-UI-Out-Filterresults: notjunk:1; Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tuesday 17 March 2015 10:51:13 Kukjin Kim wrote: > Javier Martinez Canillas wrote: > > > > The kernel can use as the default console a serial port if is defined > > as stdout device in the Device Tree. > > > > This allows a board to be booted without the need of having a console > > parameter in the kernel command line. > > > > This small series add a stdout-path property for Exynos5 Chromebooks and > > is composed of the following patches: > > > > Javier Martinez Canillas (3): > > ARM: dts: Define stdout-path property for Peach boards > > ARM: dts: Define stdout-path property for Snow board > > ARM: dts: Define stdout-path property for Spring board > > > > arch/arm/boot/dts/exynos5250-snow.dts | 1 + > > arch/arm/boot/dts/exynos5250-spring.dts | 1 + > > arch/arm/boot/dts/exynos5420-peach-pit.dts | 4 ++++ > > arch/arm/boot/dts/exynos5800-peach-pi.dts | 4 ++++ > > 4 files changed, 10 insertions(+) > > > + Arnd > > Basically, I have no objection to add stdout-path property on board DT but I > need to ask other ARM guys how they think about? Always I'm questioned what > should be defined in bootloader before entering kernel and IMHO kernel can do > it, it should be defined in bootloader though > > Let's wait for other opinions... > We're trying to do this on all machines now so we can replace debug_ll with earlycon for any normal use case aside from early early boot debugging. Please merge this patch set. Arnd