From: Jan Weitzel <j.weitzel@phytec.de>
Date: Wed, 2 Nov 2011 20:40:02 +0000 (-0700)
Subject: w1: disable irqs in critical section
X-Git-Tag: v3.2-rc1~82^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3fd306c85adcde7209281cb663dd8ea247e97cc3;p=pandora-kernel.git

w1: disable irqs in critical section

Interrupting w1_delay() in w1_read_bit() results in missing the low level
on the w1 line and receiving "1" instead of "0".

Add local_irq_save()/local_irq_restore() around the critical section

Signed-off-by: Jan Weitzel <j.weitzel@phytec.de>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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