From: Pavel Machek <pavel@suse.cz>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Oliver Neukum <oneukum@suse.de>,
linux-pm@lists.linux-foundation.org,
James.Bottomley@hansenpartnership.com,
Linux-pm mailing list <linux-pm@lists.osdl.org>,
kernel list <linux-kernel@vger.kernel.org>,
teheo@novell.com
Subject: Re: [linux-pm] Power management for SCSI
Date: Fri, 22 Aug 2008 12:52:46 +0200 [thread overview]
Message-ID: <20080822105246.GB3482@elf.ucw.cz> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0808191108440.2669-100000@iolanthe.rowland.org>
Hi!
> > - suspending has side effects
>
> I'm not sure what you mean by that. Suspension always has side effects
> of one kind or another.
>
> > Suspension in USB has always side effects. That's not true for other
> > subsystems.
>
> Name one. At the very least, suspending a device means you can't use
> it again without first calling the driver's resume method. That's a
> side effect.
IDE, actually. I don't think it is relevant, but you can do hdparm -y,
and it will automatically spin up when you try to talk to it next
time.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2008-08-22 10:52 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-13 9:50 Power management for SCSI Pavel Machek
2008-08-13 14:31 ` Alan Stern
2008-08-13 14:47 ` Oliver Neukum
2008-08-13 14:59 ` Alan Stern
2008-08-13 15:21 ` Oliver Neukum
2008-08-13 15:44 ` Alan Stern
2008-08-13 16:14 ` Stefan Richter
2008-08-13 16:23 ` Alan Stern
2008-08-13 16:21 ` [linux-pm] " Oliver Neukum
2008-08-13 19:34 ` Alan Stern
2008-08-14 6:08 ` Oliver Neukum
2008-08-14 15:40 ` Alan Stern
2008-08-14 13:50 ` Pavel Machek
2008-08-14 14:08 ` Oliver Neukum
2008-08-14 15:47 ` Alan Stern
2008-08-14 21:43 ` Oliver Neukum
2008-08-14 22:25 ` Alan Stern
2008-08-15 7:16 ` Oliver Neukum
2008-08-15 15:25 ` Alan Stern
2008-08-15 15:56 ` Oliver Neukum
2008-08-16 5:24 ` Greg KH
2008-08-19 13:33 ` [linux-pm] " Oliver Neukum
2008-08-19 15:28 ` Alan Stern
2008-08-19 23:22 ` Stefan Richter
2008-08-22 10:52 ` Pavel Machek [this message]
2008-08-22 22:14 ` Alan Stern
2008-08-25 12:50 ` Oliver Neukum
2008-08-25 14:45 ` Alan Stern
2008-08-25 15:05 ` Oliver Neukum
2008-08-25 16:18 ` Alan Stern
2008-08-25 17:34 ` Oliver Neukum
2008-08-25 18:39 ` Alan Stern
2008-08-13 15:24 ` Oliver Neukum
2008-08-13 15:44 ` Stefan Richter
2008-08-13 16:25 ` Oliver Neukum
2008-08-13 19:37 ` Alan Stern
2008-08-13 19:42 ` James Bottomley
2008-08-13 20:16 ` Alan Stern
2008-08-13 20:03 ` Leisner, Martin
2008-08-13 20:38 ` [linux-pm] " Alan Stern
2008-08-19 21:08 ` Leisner, Martin
2008-08-13 15:46 ` Alan Stern
2008-08-14 13:08 ` Pavel Machek
2008-08-14 15:56 ` Pavel Machek
2008-08-14 22:11 ` Stefan Richter
2008-08-19 7:38 ` Pavel Machek
2008-08-19 7:50 ` [linux-pm] " Oliver Neukum
2008-08-19 14:32 ` Alan Stern
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