From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfgang Grandegger Subject: Re: can: About Socket CAN with MSI issue Date: Wed, 27 Oct 2010 09:31:50 +0200 Message-ID: <4CC7D566.7090707@grandegger.com> References: <4CC61B1B.3090602@dsn.okisemi.com> <20101026.105206.15244527.davem@davemloft.net> <002801cb758f$876aaf00$66f8800a@maildom.okisemi.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: andrew.chih.howe.khor-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, sameo-VuQAYsv1563Yd54FQh9/CA@public.gmane.org, margie.foster-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, David Miller , netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, socketcan-core-0fE9KPoRgkgATYTw5x5z8w@public.gmane.org, kok.howg.ewe-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, joel.clark-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, yong.y.wang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, chripell-VaTbYqLCNhc@public.gmane.org, qi.wang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org To: Tomoya MORINAGA Return-path: In-Reply-To: <002801cb758f$876aaf00$66f8800a-a06+6cuVnkTSQfdrb5gaxUEOCMrvLtNR@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: socketcan-core-bounces-0fE9KPoRgkgATYTw5x5z8w@public.gmane.org Errors-To: socketcan-core-bounces-0fE9KPoRgkgATYTw5x5z8w@public.gmane.org List-Id: netdev.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.