From patchwork Mon Oct 21 10:20:10 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tushar Behera X-Patchwork-Id: 3076941 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 1C933BF924 for ; Mon, 21 Oct 2013 10:20:15 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 033692039C for ; Mon, 21 Oct 2013 10:20:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E7D6D2037F for ; Mon, 21 Oct 2013 10:20:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752810Ab3JUKUM (ORCPT ); Mon, 21 Oct 2013 06:20:12 -0400 Received: from mail-wi0-f175.google.com ([209.85.212.175]:54874 "EHLO mail-wi0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752461Ab3JUKUL (ORCPT ); Mon, 21 Oct 2013 06:20:11 -0400 Received: by mail-wi0-f175.google.com with SMTP id hm4so3662231wib.8 for ; Mon, 21 Oct 2013 03:20:10 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=NwCVmjFWoTVea5BMNH1aYYGDID9z/RPg7Xz3sd0IJOQ=; b=a4uRv+HXg/dtacYRiosucQcXP0/Kag1td/yaYJ+YKK+zsROUEZQ9mImHRcgTwT7Z4o 9cC6NBN4pXZrgtp0JuEsYcF7noh6sBrNbaxFT+7ZBFmlokpIe+PKItjwY/rqHNmIBFD9 M3w+atU0a+Iy1E2rbYgfrpVweR0XhieUdpVFvtcMT8F/PGuuQ8DSHCk+tpozZ+ZBend1 YQE3YjdA2pEXbe4fz5TqKiM23MQGmwX5NmSd1wu7uZ/Xj+xObo6JH/4grh5DfwLck06m mi9srOAkgTf9yO7bKKhBjed1GMki+M5N24nGlFXF82JlkpYcQpy/XGIQ/ks/9SO4ZwBG uptA== X-Gm-Message-State: ALoCoQl4exVs2hbfns0ZvLYD6k+e+P6cHduvE4cXv0wOXYa/hR5l5K4BkbGlDtfxiNCE4ARMpaCr MIME-Version: 1.0 X-Received: by 10.180.160.240 with SMTP id xn16mr9018350wib.62.1382350810233; Mon, 21 Oct 2013 03:20:10 -0700 (PDT) Received: by 10.217.12.66 with HTTP; Mon, 21 Oct 2013 03:20:10 -0700 (PDT) In-Reply-To: <20131019163545.GB2443@sirena.org.uk> References: <20131019163545.GB2443@sirena.org.uk> Date: Mon, 21 Oct 2013 15:50:10 +0530 Message-ID: Subject: Re: Arndale boot broken in -next From: Tushar Behera To: Mark Brown Cc: Kukjin Kim , linux-samsung-soc , linaro-kernel@lists.linaro.org, Stephen Boyd Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-7.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP On 19 October 2013 22:05, Mark Brown wrote: > Hi, > > I've not yet had a chance to bisect this but it appears that Arndale > boot has broken for me recently in -next; I'm getting absolutely no > serial output at all afther the bootloader hands off to Linux so no > useful diagnostics. Is this a known issue? > On next-20131018, bisect points to following commit. commit 65cd4f6c99c1170bd0114dbd71b978012ea44d28 Author: Stephen Boyd Date: Thu Jul 18 16:21:18 2013 -0700 Subject: arch_timer: Move to generic sched_clock framework I don't know if this is a fix, but removing armv7-timer DT node brings Arndale back to booting state. diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi index 9db5047..bb583f6 100644 --- a/arch/arm/boot/dts/exynos5250.dtsi +++ b/arch/arm/boot/dts/exynos5250.dtsi @@ -90,19 +90,6 @@ #clock-cells = <1>; }; - timer { - compatible = "arm,armv7-timer"; - interrupts = <1 13 0xf08>, - <1 14 0xf08>, - <1 11 0xf08>, - <1 10 0xf08>; - /* Unfortunately we need this since some versions of U-Boot - * on Exynos don't set the CNTFRQ register, so we need the - * value from DT. - */ - clock-frequency = <24000000>; - }; - mct@101C0000 { compatible = "samsung,exynos4210-mct"; reg = <0x101C0000 0x800>;