linux-kernel - [PATCH 1/2] net: dsa: lan9303: make lan9303_handle

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Message-Id: <1510560473-26727-2-git-send-email-preid@electromag.com.au>
Date:   Mon, 13 Nov 2017 16:07:52 +0800
From:   Phil Reid <preid@...ctromag.com.au>
To:     andrew@...n.ch, vivien.didelot@...oirfairelinux.com,
        f.fainelli@...il.com, preid@...ctromag.com.au,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        bianpan2016@....com, stable@...r.kernel.org
Subject: [PATCH 1/2] 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@...ctromag.com.au>
---
 drivers/net/dsa/lan9303-core.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c
index b471413..cc00308 100644
--- a/drivers/net/dsa/lan9303-core.c
+++ b/drivers/net/dsa/lan9303-core.c
@@ -550,18 +550,16 @@ static int lan9303_separate_ports(struct lan9303 *chip)
 				LAN9303_SWE_PORT_STATE_BLOCKING_PORT2);
 }
 
-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 */
@@ -855,9 +853,7 @@ 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)
-- 
1.8.3.1