net: dsa: lan9303: make lan9303_handle_reset() a void function

lan9303_handle_reset never returns anything other than success.
So there's not need for it to return an error code.
Signed-off-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/dsa/lan9303-core.c

@@ -817,18 +817,16 @@ static void lan9303_bridge_ports(struct lan9303 *chip)
 	lan9303_alr_add_port(chip, eth_stp_addr, 0, true);
 }
 
-static int lan9303_handle_reset(struct lan9303 *chip)
+static void lan9303_handle_reset(struct lan9303 *chip)
 {
 	if (!chip->reset_gpio)
-		return 0;
+		return;
 
 	if (chip->reset_duration != 0)
 		msleep(chip->reset_duration);
 
 	/* release (deassert) reset and activate the device */
 	gpiod_set_value_cansleep(chip->reset_gpio, 0);
-
-	return 0;
 }
 
 /* stop processing packets for all ports */
@@ -1328,9 +1326,7 @@ int lan9303_probe(struct lan9303 *chip, struct device_node *np)
 
 	lan9303_probe_reset_gpio(chip, np);
 
-	ret = lan9303_handle_reset(chip);
-	if (ret)
-		return ret;
+	lan9303_handle_reset(chip);
 
 	ret = lan9303_check_device(chip);
 	if (ret)