From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: linux-pm@lists.linux-foundation.org,
Kevin Hilman <khilman@deeprootsystems.com>,
Partha Basak <p-basak2@ti.com>,
linux-omap@vger.kernel.org
Subject: Re: [linux-pm] runtime_pm_get_sync() from ISR with IRQs disabled?
Date: Tue, 28 Sep 2010 20:19:07 +0200 [thread overview]
Message-ID: <201009282019.07598.rjw@sisk.pl> (raw)
In-Reply-To: <Pine.LNX.4.44L0.1009281033230.17050-100000@iolanthe.rowland.org>
On Tuesday, September 28, 2010, Alan Stern wrote:
> On Mon, 27 Sep 2010, Rafael J. Wysocki wrote:
>
> > On Monday, September 27, 2010, Alan Stern wrote:
> > > On Mon, 27 Sep 2010, Rafael J. Wysocki wrote:
...
> Given this, I see no point in adding a special per-call flag.
>
> There's another advantage to using a per-device flag. Not all resume
> calls are initiated by the driver; the PM core has to start a resume on
> its own when rpm_resume sees that the device's parent is suspended.
> When this happens, the nested resume can be carried out with interrupts
> disabled if the parent's driver supports it -- and the PM core won't
> know that unless there's a flag for it in dev_pm_info.
OK, go for it, then.
Thanks,
Rafael
next prev parent reply other threads:[~2010-09-28 18:20 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-24 0:05 runtime_pm_get_sync() from ISR with IRQs disabled? Kevin Hilman
2010-09-24 15:13 ` [linux-pm] " Alan Stern
2010-09-24 18:54 ` Kevin Hilman
2010-09-24 20:04 ` Rafael J. Wysocki
2010-09-27 13:57 ` Alan Stern
2010-09-27 20:00 ` Rafael J. Wysocki
2010-09-27 20:39 ` Alan Stern
2010-09-27 21:09 ` Rafael J. Wysocki
2010-09-28 14:55 ` Alan Stern
2010-09-28 18:19 ` Rafael J. Wysocki [this message]
2010-09-30 18:25 ` [PATCH] PM: add synchronous runtime interface for interrupt handlers Alan Stern
2010-09-30 20:15 ` Rafael J. Wysocki
2010-09-30 21:42 ` Alan Stern
2010-09-30 22:41 ` Rafael J. Wysocki
2010-10-01 14:28 ` Alan Stern
2010-10-01 21:23 ` Rafael J. Wysocki
2010-10-02 14:12 ` Alan Stern
2010-10-02 22:06 ` Rafael J. Wysocki
2010-10-03 15:52 ` Alan Stern
2010-10-03 20:33 ` Rafael J. Wysocki
2010-10-05 21:44 ` Kevin Hilman
2010-10-06 15:58 ` Alan Stern
2010-10-06 19:33 ` Rafael J. Wysocki
2010-10-06 19:35 ` Kevin Hilman
2010-10-06 20:28 ` Alan Stern
2010-10-06 21:47 ` Rafael J. Wysocki
2010-10-07 15:26 ` Alan Stern
2010-10-07 16:52 ` Kevin Hilman
2010-10-07 17:35 ` Alan Stern
2010-10-07 21:11 ` Rafael J. Wysocki
2010-10-07 23:15 ` Kevin Hilman
2010-10-07 23:37 ` Rafael J. Wysocki
2010-10-07 23:55 ` Kevin Hilman
2010-10-08 16:22 ` Alan Stern
2010-10-08 21:04 ` Kevin Hilman
2010-10-08 19:57 ` Rafael J. Wysocki
2010-10-08 16:18 ` Alan Stern
2010-10-08 19:53 ` Rafael J. Wysocki
2010-10-09 11:09 ` [linux-pm] " Rafael J. Wysocki
2010-10-11 17:00 ` Alan Stern
2010-10-11 22:30 ` Rafael J. Wysocki
2010-11-19 15:45 ` [PATCH ver. 2] " Alan Stern
2010-11-20 12:56 ` Rafael J. Wysocki
2010-11-20 16:59 ` Alan Stern
2010-11-20 19:41 ` [linux-pm] " Alan Stern
2010-11-21 23:45 ` Rafael J. Wysocki
2010-11-21 23:41 ` Rafael J. Wysocki
2010-11-22 15:38 ` Alan Stern
2010-11-22 23:01 ` Rafael J. Wysocki
2010-11-23 3:19 ` Alan Stern
2010-11-23 22:51 ` Rafael J. Wysocki
2010-11-24 0:11 ` Kevin Hilman
2010-11-24 16:43 ` Alan Stern
2010-11-24 18:03 ` Kevin Hilman
2010-11-24 14:56 ` Alan Stern
2010-11-24 20:33 ` Rafael J. Wysocki
2010-11-25 15:52 ` [PATCH ver. 3] " Alan Stern
2010-11-25 18:58 ` [linux-pm] " Oliver Neukum
2010-11-25 20:03 ` Rafael J. Wysocki
2010-11-26 22:23 ` Rafael J. Wysocki
2010-10-06 23:51 ` [PATCH] " Kevin Hilman
2010-09-30 22:02 ` Rafael J. Wysocki
2010-10-01 14:12 ` Alan Stern
2010-10-01 21:14 ` Rafael J. Wysocki
2010-09-27 21:11 ` [linux-pm] runtime_pm_get_sync() from ISR with IRQs disabled? Kevin Hilman
2010-09-24 20:27 ` Alan Stern
2010-09-24 21:52 ` Kevin Hilman
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