From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756792Ab1KKC0B (ORCPT ); Thu, 10 Nov 2011 21:26:01 -0500 Received: from mga02.intel.com ([134.134.136.20]:59329 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756746Ab1KKCZ7 (ORCPT ); Thu, 10 Nov 2011 21:25:59 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.67,351,1309762800"; d="scan'208";a="73849432" Subject: Re: [PATCH v2 0/4] ata port runtime power management support From: Lin Ming To: Tejun Heo Cc: "linux-kernel@vger.kernel.org" , "linux-ide@vger.kernel.org" , "linux-scsi@vger.kernel.org" , "linux-pm@vger.kernel.org" , Alan Stern , Jeff Garzik , "Rafael J. Wysocki" , James Bottomley , "Huang, Ying" , "Zhang, Rui" , Kay Sievers In-Reply-To: <20111110153132.GD27258@google.com> References: <1320906166-15459-1-git-send-email-ming.m.lin@intel.com> <20111110153036.GC27258@google.com> <20111110153132.GD27258@google.com> Content-Type: text/plain; charset="UTF-8" Date: Fri, 11 Nov 2011 10:25:56 +0800 Message-ID: <1320978356.32515.11.camel@minggr> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2011-11-10 at 23:31 +0800, Tejun Heo wrote: > Ooh, by the way, can you please write more about how you tested it? I have 2 disks installed. sda installs the OS. I use sdb to test ata port runtime PM. # set "auto" to enable disk runtime PM # echo auto > /sys/devices/pci0000:00/0000:00:1f.2/ata3/host2/target2:0:0/2:0:0:0/power/control mount sdb1 causes ata port resume umount sdb1 causes ata port suspend > > Thanks. >