Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754606Ab3HWOXJ (ORCPT ); Fri, 23 Aug 2013 10:23:09 -0400 Received: from top.free-electrons.com ([176.31.233.9]:50645 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752743Ab3HWOXH (ORCPT ); Fri, 23 Aug 2013 10:23:07 -0400 Message-ID: <52177047.9070706@free-electrons.com> Date: Fri, 23 Aug 2013 16:23:03 +0200 From: Gregory CLEMENT User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130803 Thunderbird/17.0.8 MIME-Version: 1.0 To: Sebastian Hesselbarth CC: Russell King , linux-arm-kernel@lists.infradead.org, Arnd Bergmann , linux-kernel@vger.kernel.org Subject: Re: [RFC 08/17] ARM: mvebu: remove custom .init_time hook References: <1376964271-22715-1-git-send-email-sebastian.hesselbarth@gmail.com> <1376964271-22715-9-git-send-email-sebastian.hesselbarth@gmail.com> <52173408.1000702@free-electrons.com> <52173A3E.2040509@gmail.com> <521749E5.6020008@free-electrons.com> <521751E9.3000504@gmail.com> In-Reply-To: <521751E9.3000504@gmail.com> X-Enigmail-Version: 1.5.2 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2380 Lines: 62 On 23/08/2013 14:13, Sebastian Hesselbarth wrote: > On 08/23/13 13:39, Gregory CLEMENT wrote: >> On 23/08/2013 12:32, Sebastian Hesselbarth wrote: >>> On 08/23/13 12:06, Gregory CLEMENT wrote: >>>> On 20/08/2013 04:04, Sebastian Hesselbarth wrote: >>>>> With arch/arm calling of_clk_init(NULL) from time_init(), we can now >>>>> remove custom .init_time hooks. >>>> >>>> As a feared it won't work on Armada XP. You moved coherency_init(), and >>>> l2x0_of_init() in the init_machine hook. However init_machine is an >>>> arch_initcall, and as all the initcall it is called at the end of the >>>> do_basic_setup() which is called after smp_prepare_cpus(). The issue is >>>> that smp_prepare_cpus need coherency (and I think L2 cache) already enable. >>> >>> Ok, I see. I remember mvebu smp relies on mbus mappings also? Can you >>> try below as replacement for the mach-mvebu/armada-370-xp.c changes? >>> >>> It will move coherency_init(), l2x0_of_init(), and mvebu_mbus_dt_init() >>> to .init_early hook. >>> >> >> I can't test it, because I don't receive the patch 1 and 2 neither directly >> or through linux-arm-kernel (it should have been bounced), or even at >> https://github.com/shesselba/linux-dove.git >> >> If you don't want to send them again, could you at least push our branch on your >> github? > > Gregory, > > I pushed a branch containing the latest state to > https://github.com/shesselba/linux-dove.git arm-clk-of-init > > It still contains the changes to drivers/clk.c, that will become > obsolete, if there are no objections against Stephen's tegra patch. > I tested your branch on my Armada XP boards (the GP and the AX3), and it hanged very early: before that anything was displayed by the early_printk! init_early is maybe called too early :( > Sebastian > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel > -- Gregory Clement, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/