Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758469AbYH2Ouj (ORCPT ); Fri, 29 Aug 2008 10:50:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752463AbYH2Ouc (ORCPT ); Fri, 29 Aug 2008 10:50:32 -0400 Received: from huecha.unizar.es ([155.210.1.51]:53061 "EHLO huecha.unizar.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752409AbYH2Oub (ORCPT ); Fri, 29 Aug 2008 10:50:31 -0400 X-Greylist: delayed 821 seconds by postgrey-1.27 at vger.kernel.org; Fri, 29 Aug 2008 10:50:31 EDT Message-Id: <1D3903ED-3FEB-4E12-B1A9-269C5B73012F@ono.com> From: "=?ISO-8859-1?Q?=22J.A._Magall=F3n=22?=" To: Linux-Kernel Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Apple Message framework v926) Subject: Unhiding devices in pci bus Date: Fri, 29 Aug 2008 16:36:45 +0200 X-Mailer: Apple Mail (2.926) X-Mail-Scanned: Criba 2.0 + Clamd & Bogofilter Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2570 Lines: 94 Hi all... I have an Aspire One, and the JMicron SD Card reader is hidden from sysfs space, it only shows if I do an lspci -H1 (direct hardware access): ... 00:1c.0 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 (rev 02) 00:1c.1 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 2 (rev 02) 00:1c.2 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 3 (rev 02) 00:1c.3 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 4 (rev 02) ... 04:00.0 System peripheral: JMicron Technologies, Inc. Device 2382 04:00.2 SD Host controller: JMicron Technologies, Inc. Device 2381 04:00.3 System peripheral: JMicron Technologies, Inc. Device 2383 04:00.4 System peripheral: JMicron Technologies, Inc. Device 2384 one:~# lspci -t -[0000:00]-+-00.0 +-02.0 +-02.1 +-1b.0 +-1c.0-[0000:01]-- +-1c.1-[0000:02]----00.0 +-1c.2-[0000:03]----00.0 +-1c.3-[0000:04]-- +-1d.0 +-1d.1 +-1d.2 +-1d.3 +-1d.7 +-1e.0-[0000:05]-- +-1f.0 +-1f.2 \-1f.3 one:~# lspci -H1 -t -[0000:00]-+-00.0 +-02.0 +-02.1 +-1b.0 +-1c.0-[0000:01]-- +-1c.1-[0000:02]-- +-1c.2-[0000:03]----00.0 +-1c.3-[0000:04]--+-00.0 | +-00.2 | +-00.3 | \-00.4 +-1d.0 +-1d.1 +-1d.2 +-1d.3 +-1d.7 +-1e.0-[0000:05]-- +-1f.0 +-1f.2 \-1f.3 lspci -M: ... 00: Primary host bus 1e.0 Bridge to 05-05 1c.3 Bridge to 04-04 1c.2 Bridge to 03-03 1c.1 Bridge to 02-02 1c.0 Bridge to 01-01 ... If I load the driver (sdhci), it does not detect anything. It looks like it is hidden/hung after one of the pci bridges, how can I make this device visible for the driver ? Thanks. -- J.A. Magallon \ Software is like sex: \ It's better when it's free Mandriva Linux release 2009.0 (Cooker) for i586 Linux 2.6.25-jam13 (gcc 4.3.1 20080515 (GCC) #1 SMP -- 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/