gpio: 104-idi-48: Fix missing spin_lock_init for ack_lock

Fixes: 9ae482104c ("gpio: 104-idi-48: Clear pending interrupt once in IRQ handler")
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Axel Lin 2016-06-13 13:48:53 +08:00 • committed by Richard Weinberger
commit 0b305ccc1b