linux-kernel - [PATCH 16/19] gpio: zevio: use new GPIO line value setter callbacks

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Message-Id: <20250709-gpiochip-set-rv-gpio-remaining-v1-16-b8950f69618d@linaro.org>
Date: Wed, 09 Jul 2025 08:41:53 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, 
 Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@...ux.intel.com>, 
 Andy Shevchenko <andy@...nel.org>, 
 Shubhrajyoti Datta <shubhrajyoti.datta@....com>, 
 Srinivas Neeli <srinivas.neeli@....com>, 
 Michal Simek <michal.simek@....com>, Nandor Han <nandor.han@...com>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 patches@...nsource.cirrus.com, linux-arm-kernel@...ts.infradead.org, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH 16/19] gpio: zevio: 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/gpio/gpio-zevio.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpio/gpio-zevio.c b/drivers/gpio/gpio-zevio.c
index d7230fd83f5d68a9d80352b7a57e12cd21c389ce..0799f79767107d1775b7692e582e9548a6bb38d6 100644
--- a/drivers/gpio/gpio-zevio.c
+++ b/drivers/gpio/gpio-zevio.c
@@ -91,7 +91,7 @@ static int zevio_gpio_get(struct gpio_chip *chip, unsigned pin)
 	return (val >> ZEVIO_GPIO_BIT(pin)) & 0x1;
 }
 
-static void zevio_gpio_set(struct gpio_chip *chip, unsigned pin, int value)
+static int zevio_gpio_set(struct gpio_chip *chip, unsigned int pin, int value)
 {
 	struct zevio_gpio *controller = gpiochip_get_data(chip);
 	u32 val;
@@ -105,6 +105,8 @@ static void zevio_gpio_set(struct gpio_chip *chip, unsigned pin, int value)
 
 	zevio_gpio_port_set(controller, pin, ZEVIO_GPIO_OUTPUT, val);
 	spin_unlock(&controller->lock);
+
+	return 0;
 }
 
 static int zevio_gpio_direction_input(struct gpio_chip *chip, unsigned pin)
@@ -159,7 +161,7 @@ static int zevio_gpio_to_irq(struct gpio_chip *chip, unsigned pin)
 static const struct gpio_chip zevio_gpio_chip = {
 	.direction_input	= zevio_gpio_direction_input,
 	.direction_output	= zevio_gpio_direction_output,
-	.set			= zevio_gpio_set,
+	.set_rv			= zevio_gpio_set,
 	.get			= zevio_gpio_get,
 	.to_irq			= zevio_gpio_to_irq,
 	.base			= 0,

-- 
2.48.1