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Date: Fri, 11 Nov 2011 10:25:56 +0800
From: Lin Ming <ming.m.lin@...el.com>
To: Tejun Heo <tj@...nel.org>
Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-ide@...r.kernel.org" <linux-ide@...r.kernel.org>,
"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
Alan Stern <stern@...land.harvard.edu>,
Jeff Garzik <jgarzik@...ox.com>,
"Rafael J. Wysocki" <rjw@...k.pl>,
James Bottomley <JBottomley@...allels.com>,
"Huang, Ying" <ying.huang@...el.com>,
"Zhang, Rui" <rui.zhang@...el.com>,
Kay Sievers <kay.sievers@...y.org>
Subject: Re: [PATCH v2 0/4] ata port runtime power management support
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.
>
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