From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hannes Reinecke Subject: Re: [PATCH V2 #for-3.10] libata: export ata_port port_no attribute via /sys Date: Wed, 15 May 2013 07:37:37 +0200 Message-ID: <51931F21.6020708@suse.de> References: <1368557320-15735-1-git-send-email-dmilburn@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from cantor2.suse.de ([195.135.220.15]:43634 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751186Ab3EOFhl (ORCPT ); Wed, 15 May 2013 01:37:41 -0400 In-Reply-To: <1368557320-15735-1-git-send-email-dmilburn@redhat.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: David Milburn Cc: tj@kernel.org, linux-ide@vger.kernel.org, kay.sievers@vrfy.org, coughlan@redhat.com, fengguang.wu@intel.com, gwendal@google.com On 05/14/2013 08:48 PM, David Milburn wrote: > While registering host controller track port number based upon number > of ports available on the controller, export port_no attribute throug= h > /sys. This patch is needed by udev for composing persistent links in > /dev/disk/by-path. >=20 > # pwd > /sys/devices/pci0000:00/0000:00:1f.2/ata8/ata_port/ata8 > # ll > total 0 > lrwxrwxrwx. 1 root root 0 Mar 6 12:43 device -> ../../../ata8 > -r--r--r--. 1 root root 4096 Mar 6 12:43 idle_irq > -r--r--r--. 1 root root 4096 Mar 6 12:43 nr_pmp_links > -r--r--r--. 1 root root 4096 Mar 6 12:43 port_no > drwxr-xr-x. 2 root root 0 Mar 6 12:42 power > lrwxrwxrwx. 1 root root 0 Mar 6 12:41 subsystem -> ../../../../..= /../class/ata_port > -rw-r--r--. 1 root root 4096 Mar 6 12:40 uevent > # cat port_no > 1 >=20 > Signed-off-by: David Milburn Acked-by: Hannes Reinecke Cheers, Hannes --=20 Dr. Hannes Reinecke zSeries & Storage hare@suse.de +49 911 74053 688 SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 N=FCrnberg GF: J. Hawn, J. Guild, F. Imend=F6rffer, HRB 16746 (AG N=FCrnberg)