linux-kernel - [PATCH 03/19] gpio: wcd934x: use new GPIO line value setter callbacks

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Message-Id: <20250709-gpiochip-set-rv-gpio-remaining-v1-3-b8950f69618d@linaro.org>
Date: Wed, 09 Jul 2025 08:41:40 +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 03/19] gpio: wcd934x: 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-wcd934x.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/gpio/gpio-wcd934x.c b/drivers/gpio/gpio-wcd934x.c
index cfa7b0a50c8e339603bc5fc70a8d7354f3bc6486..c89da9a220168e1317131d2428fa4105ebae2aab 100644
--- a/drivers/gpio/gpio-wcd934x.c
+++ b/drivers/gpio/gpio-wcd934x.c
@@ -68,12 +68,13 @@ static int wcd_gpio_get(struct gpio_chip *chip, unsigned int pin)
 	return !!(value & WCD_PIN_MASK(pin));
 }
 
-static void wcd_gpio_set(struct gpio_chip *chip, unsigned int pin, int val)
+static int wcd_gpio_set(struct gpio_chip *chip, unsigned int pin, int val)
 {
 	struct wcd_gpio_data *data = gpiochip_get_data(chip);
 
-	regmap_update_bits(data->map, WCD_REG_VAL_CTL_OFFSET,
-			   WCD_PIN_MASK(pin), val ? WCD_PIN_MASK(pin) : 0);
+	return regmap_update_bits(data->map, WCD_REG_VAL_CTL_OFFSET,
+				  WCD_PIN_MASK(pin),
+				  val ? WCD_PIN_MASK(pin) : 0);
 }
 
 static int wcd_gpio_probe(struct platform_device *pdev)
@@ -97,7 +98,7 @@ static int wcd_gpio_probe(struct platform_device *pdev)
 	chip->direction_output = wcd_gpio_direction_output;
 	chip->get_direction = wcd_gpio_get_direction;
 	chip->get = wcd_gpio_get;
-	chip->set = wcd_gpio_set;
+	chip->set_rv = wcd_gpio_set;
 	chip->parent = dev;
 	chip->base = -1;
 	chip->ngpio = WCD934X_NPINS;

-- 
2.48.1