diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index fe66c9306caf0b6cf91d04a3ff6c1428a77e4e87..c97f8325e8bf5c2f4d309b1e8e82b69d62e68bfc 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -193,7 +193,7 @@ struct gpio_chip {
 	 *
 	 * Number of cells used to form the GPIO specifier.
 	 */
-	int of_gpio_n_cells;
+	unsigned int of_gpio_n_cells;
 
 	/**
 	 * @of_xlate: