linux-kernel - [PATCH 03/12] gpio: tegra: use new GPIO line value setter callbacks

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Message-Id: <20250702-gpiochip-set-rv-gpio-round3-v1-3-0d23be74f71d@linaro.org>
Date: Wed, 02 Jul 2025 11:14:04 +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 03/12] gpio: tegra: 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-tegra.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c
index 9ad286adf2632f300ee981185ea32d79ca012df5..126fd12550aa8e6bb812bb38a56d37c38114cd15 100644
--- a/drivers/gpio/gpio-tegra.c
+++ b/drivers/gpio/gpio-tegra.c
@@ -146,12 +146,14 @@ static void tegra_gpio_free(struct gpio_chip *chip, unsigned int offset)
 	tegra_gpio_disable(tgi, offset);
 }
 
-static void tegra_gpio_set(struct gpio_chip *chip, unsigned int offset,
-			   int value)
+static int tegra_gpio_set(struct gpio_chip *chip, unsigned int offset,
+			  int value)
 {
 	struct tegra_gpio_info *tgi = gpiochip_get_data(chip);
 
 	tegra_gpio_mask_write(tgi, GPIO_MSK_OUT(tgi, offset), offset, value);
+
+	return 0;
 }
 
 static int tegra_gpio_get(struct gpio_chip *chip, unsigned int offset)
@@ -718,7 +720,7 @@ static int tegra_gpio_probe(struct platform_device *pdev)
 	tgi->gc.direction_input		= tegra_gpio_direction_input;
 	tgi->gc.get			= tegra_gpio_get;
 	tgi->gc.direction_output	= tegra_gpio_direction_output;
-	tgi->gc.set			= tegra_gpio_set;
+	tgi->gc.set_rv			= tegra_gpio_set;
 	tgi->gc.get_direction		= tegra_gpio_get_direction;
 	tgi->gc.base			= 0;
 	tgi->gc.ngpio			= tgi->bank_count * 32;

-- 
2.48.1