From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Andrew Morton <akpm@linux-foundation.org>
Subject: [PATCH -mm 0/5] b43: Fix suspend/resume deadlock
Date: Fri, 25 Jan 2008 01:27:20 +0100
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Cc: Michael Buesch <mb@bu3sch.de>,
       pm list <linux-pm@lists.linux-foundation.org>,
       Alan Stern <stern@rowland.harvard.edu>, Len Brown <lenb@kernel.org>,
       LKML <linux-kernel@vger.kernel.org>, Pavel Machek <pavel@ucw.cz>,
       bcm43xx-dev@lists.berlios.de,
       Alessandro Rubini <rubini@vision.unipv.it>,
       Richard Purdie <rpurdie@rpsys.net>
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Hi,

The following series of patches is intended to fix the suspend/resume deadlock
occuring as a result of unregistering device objects, locked by the PM core,
during suspend/resume cycles by the b43 driver.

In short, the b43 driver is modified to avoid unregistering device objects
during suspend/resume cycles except for the resume code path, in which the
devices are unregistered using the recently introduced suspend-safe method.
For this purpose, it is necessary to introduce the possibility to safely remove
misc devices, leds classdevs and hwrng devices during suspend/resume cycles
(patches 2/5, 4/5, 3/5, respectively).

Please consider for applying.

Thanks,
Rafael

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