linux-kernel - [PATCH 1/5] pinctrl: renesas: use new GPIO line value setter callbacks

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Message-Id: <20250611-gpiochip-set-rv-pinctrl-renesas-v1-1-ad169a794ef0@linaro.org>
Date: Wed, 11 Jun 2025 09:27:52 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Geert Uytterhoeven <geert+renesas@...der.be>, 
 Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>
Cc: linux-renesas-soc@...r.kernel.org, linux-gpio@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH 1/5] pinctrl: renesas: 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/pinctrl/renesas/gpio.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/renesas/gpio.c b/drivers/pinctrl/renesas/gpio.c
index a5136dacaaf212ee711262c599f3e273b01b6670..8efbdc1b0078c3bdea3064b31422f8e60698ef49 100644
--- a/drivers/pinctrl/renesas/gpio.c
+++ b/drivers/pinctrl/renesas/gpio.c
@@ -189,9 +189,11 @@ static int gpio_pin_get(struct gpio_chip *gc, unsigned offset)
 	return (gpio_read_data_reg(chip, reg->info) >> pos) & 1;
 }
 
-static void gpio_pin_set(struct gpio_chip *gc, unsigned offset, int value)
+static int gpio_pin_set(struct gpio_chip *gc, unsigned int offset, int value)
 {
 	gpio_pin_set_value(gpiochip_get_data(gc), offset, value);
+
+	return 0;
 }
 
 static int gpio_pin_to_irq(struct gpio_chip *gc, unsigned offset)
@@ -232,7 +234,7 @@ static int gpio_pin_setup(struct sh_pfc_chip *chip)
 	gc->direction_input = gpio_pin_direction_input;
 	gc->get = gpio_pin_get;
 	gc->direction_output = gpio_pin_direction_output;
-	gc->set = gpio_pin_set;
+	gc->set_rv = gpio_pin_set;
 	gc->to_irq = gpio_pin_to_irq;
 
 	gc->label = pfc->info->name;

-- 
2.48.1