From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754596Ab0J0Hau (ORCPT ); Wed, 27 Oct 2010 03:30:50 -0400 Received: from mail-out.m-online.net ([212.18.0.10]:33827 "EHLO mail-out.m-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752223Ab0J0Has (ORCPT ); Wed, 27 Oct 2010 03:30:48 -0400 X-Auth-Info: iaTNN45N7kN0cOL4ig8UT3Cu4H1GMjDWUTr2KYoYEcY= Message-ID: <4CC7D566.7090707@grandegger.com> Date: Wed, 27 Oct 2010 09:31:50 +0200 From: Wolfgang Grandegger User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.12) Gecko/20100907 Fedora/3.0.7-1.fc12 Thunderbird/3.0.7 MIME-Version: 1.0 To: Tomoya MORINAGA CC: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, socketcan-core@lists.berlios.de, sameo@linux.intel.com, 21cnbao@gmail.com, chripell@fsfe.org, w.sang@pengutronix.de, andrew.chih.howe.khor@intel.com, qi.wang@intel.com, margie.foster@intel.com, yong.y.wang@intel.com, kok.howg.ewe@intel.com, David Miller , joel.clark@intel.com Subject: Re: can: About Socket CAN with MSI issue References: <4CC61B1B.3090602@dsn.okisemi.com> <20101026.105206.15244527.davem@davemloft.net> <002801cb758f$876aaf00$66f8800a@maildom.okisemi.com> In-Reply-To: <002801cb758f$876aaf00$66f8800a@maildom.okisemi.com> X-Enigmail-Version: 1.0.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/27/2010 06:29 AM, Tomoya MORINAGA wrote: > We have faced issue when our CAN diriver whose MSI is enabled, after installing the driver, > once remove the driver and install the driver again, > As a result, interupt handler of the driver is not called again. > > Do you have any information or suggestion about the above issue? Not really, the remove functions looks ok, apart from the fact, that pch_can_reset() is called *after* pci_iounmap(). Wolfgang.