From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Wed, 16 Dec 2009 00:46:01 +0000 (-0800)
Subject: rtc-ds1553: fix races around device registration
X-Git-Tag: v2.6.33-rc1~71^2~152
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=618161f71cb10ff9bfe74c9bd766faf339f98274;p=pandora-kernel.git

rtc-ds1553: fix races around device registration

* Call dev_set_drvdata before rtc device creation
* Use its own spinlock instead of rtc->irq_lock
* Check pdata->rtc before calling rtc_update_irq
* Use {alarm,update}_irq_enable and remove ioctl routine
* Use devres APIs and simplify error/remove path

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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