From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Wed, 16 Dec 2009 00:46:00 +0000 (-0800)
Subject: rtc-tx4939: fix races around device registration
X-Git-Tag: v2.6.33-rc1~71^2~153
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=af69a180e0675ce95842adb519079204ee5647ea;p=pandora-kernel.git

rtc-tx4939: fix races around device registration

* Use its own spinlock instead of rtc->irq_lock
* Check pdata->rtc before calling rtc_update_irq
* Disable interrupt after rtc_device_unregister

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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