Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751542AbaBEOIL (ORCPT ); Wed, 5 Feb 2014 09:08:11 -0500 Received: from mail-pa0-f49.google.com ([209.85.220.49]:36363 "EHLO mail-pa0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750757AbaBEOIJ convert rfc822-to-8bit (ORCPT ); Wed, 5 Feb 2014 09:08:09 -0500 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT To: Sebastian Hesselbarth , "Sebastian Hesselbarth" From: Mike Turquette In-Reply-To: <1390673950-4521-1-git-send-email-sebastian.hesselbarth@gmail.com> Cc: "Jason Cooper" , "Andrew Lunn" , "Gregory Clement" , "Thomas Petazzoni" , "Ezequiel Garcia" , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <1390673950-4521-1-git-send-email-sebastian.hesselbarth@gmail.com> Message-ID: <20140205140802.9977.19747@quantum> User-Agent: alot/0.3.5 Subject: Re: [PATCH 0/4] clk: mvebu: fix clk init order Date: Wed, 05 Feb 2014 06:08:02 -0800 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Quoting Sebastian Hesselbarth (2014-01-25 10:19:06) > This patch set fixes clk init order that went upside-down with > v3.14. I haven't really investigated what caused this, but I assume > it is related with DT node reordering by addresses. > > Anyway, with v3.14 for MVEBU SoCs, the clock gating driver gets > registered before core clocks driver. Unfortunately, we cannot > return -EPROBE_DEFER in drivers initialized by clk_of_init. As the > init order for our drivers is always core clocks before clock gating, > we maintain init order ourselves by hooking CLK_OF_DECLARE to one > init function that will register core clocks before clock gating > driver. > > This patch is based on pre-v3.14-rc1 mainline and should go in as > fixes for it. As we now send MVEBU clk pull-requests to Mike directly, > I suggest Jason picks it up as a topic branch. Sebastian, These patches look OK to me. I'd rather take Gregory Clement's "respect the clock dependencies in of_clk_init" patch towards 3.15, so this fix will still be necessary for the current -rc's. Jason, will you be sending a PR? Thanks, Mike > > The patches have been boot tested on Dove and compile-tested only > for Kirkwood, Armada 370 and XP. > > Sebastian Hesselbarth (4): > clk: mvebu: armada-370: maintain clock init order > clk: mvebu: armada-xp: maintain clock init order > clk: mvebu: dove: maintain clock init order > clk: mvebu: kirkwood: maintain clock init order > > drivers/clk/mvebu/armada-370.c | 21 ++++++++++----------- > drivers/clk/mvebu/armada-xp.c | 20 +++++++++----------- > drivers/clk/mvebu/dove.c | 19 +++++++++---------- > drivers/clk/mvebu/kirkwood.c | 34 ++++++++++++++++------------------ > 4 files changed, 44 insertions(+), 50 deletions(-) > > --- > Cc: Mike Turquette > Cc: Jason Cooper > Cc: Andrew Lunn > Cc: Gregory Clement > Cc: Thomas Petazzoni > Cc: Ezequiel Garcia > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-kernel@vger.kernel.org > -- > 1.8.5.2 > -- 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/