From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754437Ab1JXJUr (ORCPT ); Mon, 24 Oct 2011 05:20:47 -0400 Received: from ezo.ezono.com ([50.22.105.208]:59428 "EHLO ezo.ezono.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754369Ab1JXJUq (ORCPT ); Mon, 24 Oct 2011 05:20:46 -0400 Message-ID: <4EA52DE5.2010204@ezono.com> Date: Mon, 24 Oct 2011 11:20:37 +0200 From: Abdelghani Ouchabane User-Agent: Mozilla/5.0 (X11; Linux i686; rv:7.0) Gecko/20110927 Thunderbird/7.0 MIME-Version: 1.0 To: Kenji Kaneshige CC: Bjorn Helgaas , linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org Subject: Re: PCIe can not rescan for new PCIe device ( FPGA board ) References: <4E8EA746.6030103@ezono.com> <4E8F2758.3040408@ezono.com> <4E939E5D.3010208@jp.fujitsu.com> <4E93FA3D.2030400@ezono.com> <4E953579.6050807@jp.fujitsu.com> <4E95516F.60300@ezono.com> <4E96DE8A.6050404@jp.fujitsu.com> <4E98037C.4000403@ezono.com> <4EA4F0D2.3070301@jp.fujitsu.com> In-Reply-To: <4EA4F0D2.3070301@jp.fujitsu.com> Content-Type: text/plain; charset=ISO-2022-JP Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - ezo.ezono.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - ezono.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hallo Kenji, many thanks for your great supports. The new BIOS from Congatec solves the problem. I using both fakephp& pciehp drivers, Can I use both drivers at the same time? > I think, "no". > >> I am using fakephp because I need "/sys/bus/pci/slots/0000\:02\:00.0/power". >> >> Other thing: my Kernel has "CONFIG_ACPI_PROC_EVENT is not set", does >> this explain why the scan is not performed automatically? > Fakephp driver doesn't have any corresponding hotplug controller (hardware). > So I don't think there is no way to detect presence change event on the slot. > >> [root@localhost ~]# modprobe acpiphp >> FATAL: Error inserting acpiphp >> (/lib/modules/2.6.40.3-0.119.delos.i686/kernel/drivers/pci/hotplug/acpiphp.ko): >> No such device >> >> What is the advantage to use acpiphp ? > Some platform only allows acpiphp, but doesn't allow PCIe native hotplug driver > (like pciehp). The 'pciehp_force' specified your environment is to load pciehp > forcibly on such platform. So I thought acpiphp might solve your problem. > > Regards, > Kenji Kaneshige > Hallo many thanks for your support, my system is working perfectly. Cheers, Ghani