Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751199AbbLUIgK (ORCPT ); Mon, 21 Dec 2015 03:36:10 -0500 Received: from fallback7.mail.ru ([94.100.181.128]:33101 "EHLO fallback7.mail.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750986AbbLUIgI (ORCPT ); Mon, 21 Dec 2015 03:36:08 -0500 Date: Mon, 21 Dec 2015 11:29:16 +0300 From: Roman Volkov To: Daniel Lezcano , Thomas Gleixner , Alexey Charkov , Arnd Bergmann Cc: Tony Prisk , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Roman Volkov Subject: Re: [PATCH 0/4] clocksource/vt8500: Fix hangs in small delays Message-ID: <20151221112916.40373d2f@anonymous> In-Reply-To: <1450650492-18996-1-git-send-email-v1ron@mail.ru> References: <1450650492-18996-1-git-send-email-v1ron@mail.ru> X-Mailer: Claws Mail 3.13.0 (GTK+ 2.24.28; x86_64-unknown-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Mras: Ok Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1199 Lines: 34 On Mon, 21 Dec 2015 01:28:08 +0300 Roman Volkov wrote: > From: Roman Volkov > > vt8500 hangs in nanosleep() function, starting from commit > c6eb3f70d4482806dc2d3e1e3c7736f497b1d418, making the system unusable. > Per investigation, looks like set_next_event() now receives too small > delta and fails with -ETIME. > > Google group discussion: > https://groups.google.com/forum/#!topic/vt8500-wm8505-linux-kernel/vDMF_mDOb1k > > Roman Volkov (4): > clocksource/vt8500: Use [read\write]l_relaxed() > clocksource/vt8500: Remove the 'loops' variable > clocksource/vt8500: Use MIN_OSCR_DELTA from PXA > clocksource/vt8500: Add register R/W functions > > drivers/clocksource/vt8500_timer.c | 98 > +++++++++++++++++++++++++++----------- 1 file changed, 69 > insertions(+), 29 deletions(-) > Please note that vt8500 maintainer (Tony Prisk) was silent in the last year. Any suggestions on this? Regards, Roman -- 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/