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From: Alan Stern <stern@rowland.harvard.edu>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: pm list <linux-pm@lists.linux-foundation.org>,
Alexey Starikovskiy <astarikovskiy@suse.de>,
Pavel Machek <pavel@ucw.cz>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RFC][PATCH] PM: Make PM core handle device registrations concurrent with suspend/hibernation
Date: Thu, 6 Mar 2008 10:26:58 -0500 (EST) [thread overview]
Message-ID: <Pine.LNX.4.44L0.0803061022150.4061-100000@iolanthe.rowland.org> (raw)
In-Reply-To: <200803060024.28850.rjw@sisk.pl>
On Thu, 6 Mar 2008, Rafael J. Wysocki wrote:
> > > Revised patch below.
> >
> > It looks good. Let's hope it doesn't mess up ACPI too badly... :-)
> >
> > Acked-by: Alan Stern <stern@rowland.harvard.edu>
>
> Thanks!
I thought of one more thing you might want to add: device_pm_add()
doesn't handle the case where dev->parent is NULL. You could put in
that static "all_devices_sleeping" flag, which gets set at the end of
dpm_suspend() and cleared at the start of dpm_resume().
> Okay, I also have the appended patch on top of this one. :-)
>
> Rafael
>
> ---
> From: Rafael J. Wysocki <rjw@sisk.pl>
>
> Include dpm_sysfs_add() into device_pm_add(), in analogy with
> device_pm_remove(), and modify device_add() to call the latter after
> bus_add_device(), to avoid situations in which the PM core may
> attempt to suspend a device the registration of which has not been
> successful.
Clean and simple. Ack.
Alan Stern
next prev parent reply other threads:[~2008-03-06 15:27 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-03 23:10 Rafael J. Wysocki
2008-03-04 16:01 ` Alan Stern
2008-03-04 21:52 ` Rafael J. Wysocki
2008-03-05 16:03 ` Alan Stern
2008-03-05 16:16 ` Cornelia Huck
2008-03-05 1:15 ` Rafael J. Wysocki
2008-03-05 16:27 ` Alan Stern
2008-03-05 21:49 ` Rafael J. Wysocki
2008-03-05 22:00 ` Alan Stern
2008-03-05 23:24 ` Rafael J. Wysocki
2008-03-06 15:26 ` Alan Stern [this message]
2008-03-06 16:26 ` Rafael J. Wysocki
2008-03-06 17:40 ` Alan Stern
2008-03-06 20:18 ` Rafael J. Wysocki
2008-03-06 20:28 ` Alan Stern
2008-03-06 21:28 ` Rafael J. Wysocki
2008-03-06 21:58 ` Alan Stern
2008-03-06 22:30 ` Rafael J. Wysocki
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