regulator: gpio: print warning if gpios <-> gpios-states mismatch on DT

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c
index ac3a8c7..5491cee 100644
--- a/drivers/regulator/gpio-regulator.c
+++ b/drivers/regulator/gpio-regulator.c
@@ -176,7 +176,7 @@
 	if (prop) {
 		proplen = prop->length / sizeof(int);
 		if (proplen != config->nr_gpios) {
-			/* gpios <-> gpios-states mismatch */
+			dev_warn(dev, "gpios <-> gpios-states mismatch\n");
 			prop = NULL;
 		}
 	}