From: Linus Torvalds <torvalds@woody.linux-foundation.org>
Date: Sun, 1 Apr 2007 17:54:13 +0000 (-0700)
Subject: driver core: do not wait unnecessarily in driver_unregister()
X-Git-Tag: v2.6.21-rc6~39
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f5ef2abcbeb5b0be23f7cc610a024b2406e3d8e6;p=pandora-kernel.git

driver core: do not wait unnecessarily in driver_unregister()

Ingo reported that built-in drivers suffered bootup hangs with certain
driver unregistry sequences, due to sysfs breakage.

Do the minimal fix for v2.6.21: only wait if the driver is a module.

Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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