From: Matthew Garrett <mjg59@srcf.ucam.org>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Greg KH <gregkh@suse.de>,
linux-pci@vger.kernel.org, linux-usb@vger.kernel.org,
LKML <linux-kernel@vger.kernel.org>,
Linux-pm mailing list <linux-pm@lists.linux-foundation.org>
Subject: Re: [RFC] PCI: Runtime power management
Date: Sat, 15 Aug 2009 22:27:56 +0100 [thread overview]
Message-ID: <20090815212756.GA31784__20877.666216302$1250371753$gmane$org@srcf.ucam.org> (raw)
In-Reply-To: <200908152321.53283.rjw@sisk.pl>
On Sat, Aug 15, 2009 at 11:21:53PM +0200, Rafael J. Wysocki wrote:
> I can even imagine a scenario where this setting might be useful, like when
> we don't want a network adapter to be woken up from the outside.
I think in that case we'd probably just want the interface to be downed?
Some of this is going to require device-specific policy, I think - for
the network case we probably want something in between IF_RUNNING and
IF_DOWN (IF_CARRIER, perhaps) that indicates that we want the PHY to be
powered. Pushing this out to sysfs would mean we'd have a consistent
interface but varying semantics, and I'm not convinced that's an
especially helpful interface.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2009-08-15 21:27 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-08 14:25 [PATCH] PM: Introduce core framework for run-time PM of I/O devices (rev. 14) Rafael J. Wysocki
2009-08-09 21:13 ` [PATCH update] PM: Introduce core framework for run-time PM of I/O devices (rev. 15) Rafael J. Wysocki
2009-08-09 21:13 ` Rafael J. Wysocki
2009-08-12 10:37 ` Magnus Damm
2009-08-12 15:47 ` Alan Stern
2009-08-12 15:47 ` Alan Stern
2009-08-12 20:13 ` Rafael J. Wysocki
2009-08-12 20:13 ` Rafael J. Wysocki
2009-08-12 10:37 ` Magnus Damm
2009-08-13 0:29 ` [RFC] PCI: Runtime power management Matthew Garrett
2009-08-13 0:29 ` Matthew Garrett
2009-08-13 0:35 ` [RFC] usb: Add support for runtime power management of the hcd Matthew Garrett
2009-08-13 12:16 ` Oliver Neukum
2009-08-13 12:16 ` [linux-pm] " Oliver Neukum
2009-08-13 12:30 ` Matthew Garrett
2009-08-13 12:30 ` [linux-pm] " Matthew Garrett
2009-08-13 14:26 ` Oliver Neukum
2009-08-13 14:26 ` [linux-pm] " Oliver Neukum
2009-08-13 21:42 ` Matthew Garrett
2009-08-13 21:42 ` Matthew Garrett
2009-08-13 15:22 ` Alan Stern
2009-08-13 15:22 ` Alan Stern
2009-08-13 21:47 ` Matthew Garrett
2009-08-13 21:47 ` Matthew Garrett
2009-08-13 0:35 ` Matthew Garrett
2009-08-13 15:17 ` [RFC] PCI: Runtime power management Alan Stern
2009-08-13 21:47 ` Matthew Garrett
2009-08-14 12:30 ` Matthew Garrett
2009-08-14 12:30 ` [linux-pm] " Matthew Garrett
2009-08-14 14:43 ` Alan Stern
2009-08-14 14:43 ` [linux-pm] " Alan Stern
2009-08-14 17:05 ` Rafael J. Wysocki
2009-08-14 17:05 ` [linux-pm] " Rafael J. Wysocki
2009-08-14 17:13 ` Rafael J. Wysocki
2009-08-14 17:13 ` [linux-pm] " Rafael J. Wysocki
2009-08-14 19:01 ` Alan Stern
2009-08-14 19:01 ` Alan Stern
2009-08-14 20:05 ` [linux-pm] " Rafael J. Wysocki
2009-08-14 22:21 ` Matthew Garrett
2009-08-15 14:18 ` Rafael J. Wysocki
2009-08-15 14:18 ` [linux-pm] " Rafael J. Wysocki
2009-08-15 15:53 ` Alan Stern
2009-08-15 15:53 ` [linux-pm] " Alan Stern
2009-08-15 20:54 ` Rafael J. Wysocki
2009-08-15 20:54 ` [linux-pm] " Rafael J. Wysocki
2009-08-15 20:58 ` Matthew Garrett
2009-08-15 20:58 ` [linux-pm] " Matthew Garrett
2009-08-15 21:21 ` Rafael J. Wysocki
2009-08-15 21:21 ` Rafael J. Wysocki
2009-08-15 21:27 ` [linux-pm] " Matthew Garrett
2009-08-15 21:44 ` Rafael J. Wysocki
2009-08-15 21:44 ` [linux-pm] " Rafael J. Wysocki
2009-08-16 16:09 ` Alan Stern
2009-08-16 16:09 ` Alan Stern
2009-08-15 21:27 ` Matthew Garrett [this message]
2009-08-16 15:57 ` Alan Stern
2009-08-16 15:57 ` [linux-pm] " Alan Stern
2009-08-16 16:04 ` Matthew Garrett
2009-08-16 16:04 ` [linux-pm] " Matthew Garrett
2009-08-16 15:50 ` Alan Stern
2009-08-16 15:50 ` [linux-pm] " Alan Stern
2009-08-14 22:21 ` Matthew Garrett
2009-08-14 20:05 ` Rafael J. Wysocki
2009-08-13 21:47 ` Matthew Garrett
2009-08-13 15:17 ` Alan Stern
2009-08-14 17:37 ` Jesse Barnes
2009-08-14 17:37 ` Jesse Barnes
2009-08-14 19:15 ` Rafael J. Wysocki
2009-08-14 19:15 ` Rafael J. Wysocki
2009-08-14 21:22 ` Rafael J. Wysocki
2009-08-14 22:30 ` Matthew Garrett
2009-08-14 22:30 ` Matthew Garrett
2009-08-15 14:41 ` Rafael J. Wysocki
2009-08-15 15:24 ` Rafael J. Wysocki
2009-08-15 15:24 ` Rafael J. Wysocki
2009-08-15 14:41 ` Rafael J. Wysocki
2009-08-14 21:22 ` Rafael J. Wysocki
2009-08-13 20:56 ` [PATCH update 2x] PM: Introduce core framework for run-time PM of I/O devices (rev. 16) Rafael J. Wysocki
2009-08-13 21:03 ` Paul Mundt
2009-08-13 21:03 ` Paul Mundt
2009-08-13 21:14 ` Rafael J. Wysocki
2009-08-13 21:14 ` Rafael J. Wysocki
2009-08-14 9:08 ` Magnus Damm
2009-08-14 17:19 ` Rafael J. Wysocki
2009-08-14 17:19 ` Rafael J. Wysocki
2009-08-14 9:08 ` Magnus Damm
2009-08-14 17:25 ` [PATCH update 3x] PM: Introduce core framework for run-time PM of I/O devices (rev. 17) Rafael J. Wysocki
2009-08-14 17:25 ` Rafael J. Wysocki
2009-08-13 20:56 ` [PATCH update 2x] PM: Introduce core framework for run-time PM of I/O devices (rev. 16) Rafael J. Wysocki
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