From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761874AbcLPPlc (ORCPT ); Fri, 16 Dec 2016 10:41:32 -0500 Received: from muru.com ([72.249.23.125]:52718 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757583AbcLPPlO (ORCPT ); Fri, 16 Dec 2016 10:41:14 -0500 Date: Fri, 16 Dec 2016 07:40:30 -0800 From: Tony Lindgren To: Javier Martinez Canillas Cc: Pali =?utf-8?B?Um9ow6Fy?= , Russell King - ARM Linux , Arnd Bergmann , Robin Murphy , Linus Walleij , Ben Dooks , Ivaylo Dimitrov , Sebastian Reichel , Aaro Koskinen , Pavel Machek , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] arm: dt: Initialize boot_command_line from CONFIG_CMDLINE in case DT does not provide /chosen/bootargs Message-ID: <20161216154029.GF4920@atomide.com> References: <1481749963-8664-1-git-send-email-pali.rohar@gmail.com> <201612161332.36406@pali> <5c56e769-76be-295e-b655-8431dde35370@osg.samsung.com> <201612161348.35917@pali> <1b779429-8ce4-a49b-38e4-573b28a7c05f@osg.samsung.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1b779429-8ce4-a49b-38e4-573b28a7c05f@osg.samsung.com> User-Agent: Mutt/1.7.1 (2016-10-04) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Javier Martinez Canillas [161216 04:54]: > On 12/16/2016 09:48 AM, Pali Rohár wrote: > >>> saying that it cause problems which need to be properly fixed. And > >>> if fixing them is harder and will take more time, then correct > >>> option is to revert 008a2ebcd677 due to breaking support for more > >>> devices. > >> > >> If you think that others boards may have the same issue, then you > >> could add an empty chosen node to omap3.dtsi. As I said I think that > >> in practice this will only be needed for the machines using NOLO but > >> you are right that in theory you could boot them using other > >> bootloaders and having an empty node doesn't cause any harm anyway. > > > > Should not be it part of any arm board? IIRC ATAG support is (or was) > > not omap3 specified. > > > > Yes, but you were talking about commit 008a2ebcd677 which only removed > skeleton.dtsi usage for OMAP3 boards. The same can be done for other > SoCs in its top level dtsi for the SoC family of course. Yeah probaby best to add the empty chosen node to the ones that had skeleton.dtsi removed. And I think the code should print a warning if no chosen node is found? Regards, Tony