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

[mirror_ubuntu-bionic-kernel.git] / drivers / gpio / gpio-104-idi-48.c

diff --git a/drivers/gpio/gpio-104-idi-48.c b/drivers/gpio/gpio-104-idi-48.c
index 6c75c83baf5a82a3eb1da0c7a5d5949bcf31e43b..2d2763ea1a68277eedf82f6e9c132be6f8706923 100644 (file)
--- 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);