Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935722Ab3DHT1O (ORCPT ); Mon, 8 Apr 2013 15:27:14 -0400 Received: from mail-ee0-f45.google.com ([74.125.83.45]:60453 "EHLO mail-ee0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935690Ab3DHT1M (ORCPT ); Mon, 8 Apr 2013 15:27:12 -0400 From: Tomasz Figa To: linux-arm-kernel@lists.infradead.org Cc: Doug Anderson , Kukjin Kim , linux-samsung-soc@vger.kernel.org, Russell King , Leela Krishna Amudala , Jingoo Han , "linux-kernel@vger.kernel.org" , Kukjin Kim , Thomas Abraham , Olof Johansson , Rahul Sharma Subject: Re: [PATCH] ARM: dts: fix bad merge of display timing node to exynos5250-smdk5250.dts Date: Mon, 08 Apr 2013 21:27:14 +0200 Message-ID: <2824266.emLkgITIHc@flatron> User-Agent: KMail/4.10.2 (Linux/3.8.6-gentoo; KDE/4.10.2; x86_64; ; ) In-Reply-To: References: <1365439879-3398-1-git-send-email-dianders@chromium.org> <51630C7C.9040003@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1571 Lines: 38 Hi Doug, On Monday 08 of April 2013 12:21:32 Doug Anderson wrote: > Kukjin, > > On Mon, Apr 8, 2013 at 11:29 AM, Kukjin Kim wrote: > > BTW, if any problems on current for-next, please kindly let me know. > > I usually try to check linux-next at least once a week, but sometimes > it's more or less often. At the moment I'm trying to track something > weird down but it seems like it has some userspace component to it. > I'll post a separate thread if I find a kernel problem there. > > Aside from the RTC, my biggest problem right now is that reboot > stopped working at the same time as the common clock. The > exynos5_restart() function is essentially behaving as a no-op since > the clock to the IP block that handles reset has been gated. :( The > bit "CLK_PMU_APBIF" is gated in "CLK_GATE_IP_PERIS". This used to be > ungated in exynos5_clk_ip_peris_ctrl(). > > I'm happy to test a patch that fixes this but I haven't yet had time > to try to fix it cleanly myself. Common Clock Framework by default automatically gates unused clocks, just like regulator core does with unused regulators. Maybe this is the cause? There is a CLK_IGNORE_UNUSED flag which disables this behavior for all clocks which have it set. Maybe it should be set for the problematic clock? Best regards, Tomasz -- 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/