diff --git a/drivers/gpio/pca953x.c b/drivers/gpio/pca953x.c
index 5a99e81d2784..93f916720b13 100644
--- a/drivers/gpio/pca953x.c
+++ b/drivers/gpio/pca953x.c
@@ -30,6 +30,8 @@ static const struct i2c_device_id pca953x_id[] = {
 	{ "pca9537", 4, },
 	{ "pca9538", 8, },
 	{ "pca9539", 16, },
+	{ "pca9555", 16, },
+	{ "pca9557", 8, },
 	/* REVISIT several pca955x parts should work here too */
 	{ }
 };
@@ -193,7 +195,7 @@ static int __devinit pca953x_probe(struct i2c_client *client,
 {
 	struct pca953x_platform_data *pdata;
 	struct pca953x_chip *chip;
-	int ret, i;
+	int ret;
 
 	pdata = client->dev.platform_data;
 	if (pdata == NULL)