netdev - [PATCH 2/4] net: dsa: mt7530: use new GPIO line value setter callbacks

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Message-Id: <20250610-gpiochip-set-rv-net-v1-2-35668dd1c76f@linaro.org>
Date: Tue, 10 Jun 2025 14:37:58 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Andrew Lunn <andrew@...n.ch>, Vladimir Oltean <olteanv@...il.com>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, 
 "Chester A. Unal" <chester.a.unal@...nc9.com>, 
 Daniel Golle <daniel@...rotopia.org>, DENG Qingfang <dqfext@...il.com>, 
 Sean Wang <sean.wang@...iatek.com>, 
 Matthias Brugger <matthias.bgg@...il.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
 Marc Kleine-Budde <mkl@...gutronix.de>, 
 Vincent Mailhol <mailhol.vincent@...adoo.fr>, 
 Heiner Kallweit <hkallweit1@...il.com>, 
 Russell King <linux@...linux.org.uk>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-gpio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-mediatek@...ts.infradead.org, linux-can@...r.kernel.org, 
 linux-arm-msm@...r.kernel.org, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH 2/4] net: dsa: mt7530: use new GPIO line value setter
 callbacks

From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>

struct gpio_chip now has callbacks for setting line values that return
an integer, allowing to indicate failures. Convert the driver to using
them.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
---
 drivers/net/dsa/mt7530.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index df213c37b4fe6ab85fc5b01c62297a35b7b6b2ed..e5bed4237ff4c46457b46598f07b65d0daa84ae9 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -2112,7 +2112,7 @@ mt7530_gpio_get(struct gpio_chip *gc, unsigned int offset)
 	return !!(mt7530_read(priv, MT7530_LED_GPIO_DATA) & bit);
 }

-static void
+static int
 mt7530_gpio_set(struct gpio_chip *gc, unsigned int offset, int value)
 {
 	struct mt7530_priv *priv = gpiochip_get_data(gc);
@@ -2122,6 +2122,8 @@ mt7530_gpio_set(struct gpio_chip *gc, unsigned int offset, int value)
 		mt7530_set(priv, MT7530_LED_GPIO_DATA, bit);
 	else
 		mt7530_clear(priv, MT7530_LED_GPIO_DATA, bit);
+
+	return 0;
 }

 static int
@@ -2185,7 +2187,7 @@ mt7530_setup_gpio(struct mt7530_priv *priv)
 	gc->direction_input = mt7530_gpio_direction_input;
 	gc->direction_output = mt7530_gpio_direction_output;
 	gc->get = mt7530_gpio_get;
-	gc->set = mt7530_gpio_set;
+	gc->set_rv = mt7530_gpio_set;
 	gc->base = -1;
 	gc->ngpio = 15;
 	gc->can_sleep = true;

-- 
2.48.1