linux-kernel - [PATCH -mm 0/5] b43: Fix suspend/resume deadlock

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

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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