diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index 8d46e3ad9529..d8e3184bd27c 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -1029,7 +1029,7 @@ int arizona_dev_init(struct arizona *arizona)
 	unsigned int reg, val, mask;
 	int (*apply_patch)(struct arizona *) = NULL;
 	const struct mfd_cell *subdevs = NULL;
-	int n_subdevs, ret, i;
+	int n_subdevs = 0, ret, i;
 
 	dev_set_drvdata(arizona->dev, arizona);
 	mutex_init(&arizona->clk_lock);