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-rw-r--r--drivers/char/moxa.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c
index f43c2e04eadd..01247cccb89f 100644
--- a/drivers/char/moxa.c
+++ b/drivers/char/moxa.c
@@ -301,7 +301,7 @@ static struct tty_operations moxa_ops = {
.tiocmset = moxa_tiocmset,
};
-static spinlock_t moxa_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(moxa_lock);
#ifdef CONFIG_PCI
static int moxa_get_PCI_conf(struct pci_dev *p, int board_type, moxa_board_conf * board)