drivers/power/ds2780_battery.c: add a nolock function to w1 interface
Adds a nolock function to the w1 interface to avoid locking the mutex if needed. Signed-off-by: NClifton Barnes <cabarnes@indesign-llc.com> Cc: Evgeniy Polyakov <zbr@ioremap.net> Cc: <stable@kernel.org> Cc: <stable@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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