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path: root/drivers/gpio/gpio-104-idi-48.c
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Diffstat (limited to 'drivers/gpio/gpio-104-idi-48.c')
-rw-r--r--drivers/gpio/gpio-104-idi-48.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-104-idi-48.c b/drivers/gpio/gpio-104-idi-48.c
index 6c75c83baf5a..2d2763ea1a68 100644
--- a/drivers/gpio/gpio-104-idi-48.c
+++ b/drivers/gpio/gpio-104-idi-48.c
@@ -247,6 +247,7 @@ static int idi_48_probe(struct device *dev, unsigned int id)
idi48gpio->irq = irq[id];
spin_lock_init(&idi48gpio->lock);
+ spin_lock_init(&idi48gpio->ack_lock);
dev_set_drvdata(dev, idi48gpio);