commit | 3fd306c85adcde7209281cb663dd8ea247e97cc3 | [log] [tgz] |
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author | Jan Weitzel <j.weitzel@phytec.de> | Wed Nov 02 13:40:02 2011 -0700 |
committer | Linus Torvalds <torvalds@linux-foundation.org> | Wed Nov 02 16:07:03 2011 -0700 |
tree | 67bd829e0ef4e8e350af7fd06e4936bec616b49a | |
parent | 68a436aec345c2bcd05dbdafae1f5f608ff8f61f [diff] |
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>