linux-kernel - [PATCH v2 2/2] gpio: wcove: use new GPIO line value setter callbacks

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Message-Id: <20250715-gpiochip-set-rv-gpio-remaining-v2-2-072b4cf06330@linaro.org>
Date: Tue, 15 Jul 2025 10:19:45 +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>
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 v2 2/2] gpio: wcove: 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.

Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@...ux.intel.com>
Reviewed-by: Andy Shevchenko <andy@...nel.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
---
 drivers/gpio/gpio-wcove.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpio/gpio-wcove.c b/drivers/gpio/gpio-wcove.c
index 816fb8d113e66b27070f286755f3192b2a8f8512..f7df3d5fc71c17fcd1050afdad4187d69dc99012 100644
--- a/drivers/gpio/gpio-wcove.c
+++ b/drivers/gpio/gpio-wcove.c
@@ -200,15 +200,15 @@ static int wcove_gpio_get(struct gpio_chip *chip, unsigned int gpio)
 	return val & 0x1;
 }
 
-static void wcove_gpio_set(struct gpio_chip *chip, unsigned int gpio, int value)
+static int wcove_gpio_set(struct gpio_chip *chip, unsigned int gpio, int value)
 {
 	struct wcove_gpio *wg = gpiochip_get_data(chip);
 	int reg = to_reg(gpio, CTRL_OUT);
 
 	if (reg < 0)
-		return;
+		return 0;
 
-	regmap_assign_bits(wg->regmap, reg, 1, value);
+	return regmap_assign_bits(wg->regmap, reg, 1, value);
 }
 
 static int wcove_gpio_set_config(struct gpio_chip *chip, unsigned int gpio,
@@ -439,7 +439,7 @@ static int wcove_gpio_probe(struct platform_device *pdev)
 	wg->chip.direction_output = wcove_gpio_dir_out;
 	wg->chip.get_direction = wcove_gpio_get_direction;
 	wg->chip.get = wcove_gpio_get;
-	wg->chip.set = wcove_gpio_set;
+	wg->chip.set_rv = wcove_gpio_set;
 	wg->chip.set_config = wcove_gpio_set_config;
 	wg->chip.base = -1;
 	wg->chip.ngpio = WCOVE_VGPIO_NUM;

-- 
2.48.1