linux-kernel - [PATCH 05/12] gpio: timberdale: use new GPIO line value setter callbacks

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Message-Id: <20250702-gpiochip-set-rv-gpio-round3-v1-5-0d23be74f71d@linaro.org>
Date: Wed, 02 Jul 2025 11:14:06 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, 
 Thierry Reding <thierry.reding@...il.com>, 
 Jonathan Hunter <jonathanh@...dia.com>, Robert Richter <rric@...nel.org>, 
 Aaro Koskinen <aaro.koskinen@....fi>, 
 Andreas Kemnade <andreas@...nade.info>, Kevin Hilman <khilman@...libre.com>, 
 Roger Quadros <rogerq@...nel.org>, Tony Lindgren <tony@...mide.com>
Cc: linux-gpio@...r.kernel.org, linux-tegra@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH 05/12] gpio: timberdale: 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-timberdale.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/gpio/gpio-timberdale.c b/drivers/gpio/gpio-timberdale.c
index cb303a26f4d3cd77368b5bdac42aa42821b39345..fbb883089189095cdc0101d864ab90dd042c73a3 100644
--- a/drivers/gpio/gpio-timberdale.c
+++ b/drivers/gpio/gpio-timberdale.c
@@ -80,10 +80,9 @@ static int timbgpio_gpio_direction_output(struct gpio_chip *gpio,
 	return timbgpio_update_bit(gpio, nr, TGPIODIR, false);
 }
 
-static void timbgpio_gpio_set(struct gpio_chip *gpio,
-				unsigned nr, int val)
+static int timbgpio_gpio_set(struct gpio_chip *gpio, unsigned int nr, int val)
 {
-	timbgpio_update_bit(gpio, nr, TGPIOVAL, val != 0);
+	return timbgpio_update_bit(gpio, nr, TGPIOVAL, val != 0);
 }
 
 static int timbgpio_to_irq(struct gpio_chip *gpio, unsigned offset)
@@ -254,7 +253,7 @@ static int timbgpio_probe(struct platform_device *pdev)
 	gc->direction_input = timbgpio_gpio_direction_input;
 	gc->get = timbgpio_gpio_get;
 	gc->direction_output = timbgpio_gpio_direction_output;
-	gc->set = timbgpio_gpio_set;
+	gc->set_rv = timbgpio_gpio_set;
 	gc->to_irq = (irq >= 0 && tgpio->irq_base > 0) ? timbgpio_to_irq : NULL;
 	gc->dbg_show = NULL;
 	gc->base = pdata->gpio_base;

-- 
2.48.1