From 3fd306c85adcde7209281cb663dd8ea247e97cc3 Mon Sep 17 00:00:00 2001
From: Jan Weitzel <j.weitzel@phytec.de>
Date: Wed, 2 Nov 2011 13:40:02 -0700
Subject: [PATCH] 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>
---
Reading git-format-patch failed