Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753664AbaJHSvt (ORCPT ); Wed, 8 Oct 2014 14:51:49 -0400 Received: from mout.gmx.net ([212.227.17.20]:59048 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751555AbaJHSvr (ORCPT ); Wed, 8 Oct 2014 14:51:47 -0400 From: Marc Dietrich To: Guenter Roeck , devel@driverdev.osuosl.org, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, Andrey Danin Cc: linux-kernel@vger.kernel.org, Greg Kroah-Hartman Subject: Re: [PATCH 29/44] staging: nvec: Register with kernel poweroff handler Date: Wed, 08 Oct 2014 20:51:10 +0200 Message-ID: <1986471.ednzxGGBeV@ax5200p> User-Agent: KMail/4.13.3 (Linux/3.13.0-35-generic; KDE/4.13.3; x86_64; ; ) In-Reply-To: <1412659726-29957-30-git-send-email-linux@roeck-us.net> References: <1412659726-29957-1-git-send-email-linux@roeck-us.net> <1412659726-29957-30-git-send-email-linux@roeck-us.net> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Provags-ID: V03:K0:ZCF+iHlP1ZyF0fTaEaxJsUQXT8GBnkIPZCyrHbGguV8RZpFBRHN aja7Y8iOaYD+oXbEzTQsi+ZNFVMjdLvSJaD/eZ3GU1vYygVxvmqHY/1RRfImpgHCuS9C1bP tpica/ELVpgNpwIv5jkIs4KH1yisPClqZt0tfYdX5rjTu2vpZZSR7wwB3OOM8qU/9wjpy6/ jG/A36VS1qnRSbsqS6qJw== X-UI-Out-Filterresults: notjunk:1; Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Montag 06 Oktober 2014, 22:28:31 schrieb Guenter Roeck: > Register with kernel poweroff handler instead of setting pm_power_off > directly. Register with default priority value of 128 since we don't know > any better. I just tested this change and it seems to break power off. What the driver does it to queue the power off request and execute it sometime later. The command is send via i2c to an embedded controller (mfd device) which is responsible for removing the power. I haven't analyzed further, but I guess this could be related with the atomic discussion brought up in some other thread of this patch series. Marc -- 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/