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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


  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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