gpio: dwapb: Remove unnecessary error message

In dwapb_get_reset(), if devm_reset_control_get_optional_shared() fails,
an error message is printed even if the failure is the benign
EPROBE_DEFER error due to the reset controller not yet being
initialized. Use dev_err_probe() to handle
devm_reset_control_get_optional_shared() errors to avoid unnecessarilly
printing an error message for the deferred probe error.
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>

drivers/gpio/gpio-dwapb.c

@@ -616,10 +616,9 @@ static int dwapb_get_reset(struct dwapb_gpio *gpio)
 	int err;
 
 	gpio->rst = devm_reset_control_get_optional_shared(gpio->dev, NULL);
-	if (IS_ERR(gpio->rst)) {
-		dev_err(gpio->dev, "Cannot get reset descriptor\n");
-		return PTR_ERR(gpio->rst);
-	}
+	if (IS_ERR(gpio->rst))
+		return dev_err_probe(gpio->dev, PTR_ERR(gpio->rst),
+				     "Cannot get reset descriptor\n");
 
 	err = reset_control_deassert(gpio->rst);
 	if (err) {