linux-kernel - [PATCH 07/19] gpio: wm8350: use new GPIO line value setter callbacks

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Message-Id: <20250709-gpiochip-set-rv-gpio-remaining-v1-7-b8950f69618d@linaro.org>
Date: Wed, 09 Jul 2025 08:41:44 +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 07/19] gpio: wm8350: 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-wm8350.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/gpio/gpio-wm8350.c b/drivers/gpio/gpio-wm8350.c
index 2421cf606ed6fded2231b76a2cda2839ed824d64..9a7677f841fc62383267e5e4d95843e2115c83d6 100644
--- a/drivers/gpio/gpio-wm8350.c
+++ b/drivers/gpio/gpio-wm8350.c
@@ -48,15 +48,16 @@ static int wm8350_gpio_get(struct gpio_chip *chip, unsigned offset)
 		return 0;
 }
 
-static void wm8350_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
+static int wm8350_gpio_set(struct gpio_chip *chip, unsigned int offset,
+			   int value)
 {
 	struct wm8350_gpio_data *wm8350_gpio = gpiochip_get_data(chip);
 	struct wm8350 *wm8350 = wm8350_gpio->wm8350;
 
 	if (value)
-		wm8350_set_bits(wm8350, WM8350_GPIO_LEVEL, 1 << offset);
-	else
-		wm8350_clear_bits(wm8350, WM8350_GPIO_LEVEL, 1 << offset);
+		return wm8350_set_bits(wm8350, WM8350_GPIO_LEVEL, 1 << offset);
+
+	return wm8350_clear_bits(wm8350, WM8350_GPIO_LEVEL, 1 << offset);
 }
 
 static int wm8350_gpio_direction_out(struct gpio_chip *chip,
@@ -72,9 +73,7 @@ static int wm8350_gpio_direction_out(struct gpio_chip *chip,
 		return ret;
 
 	/* Don't have an atomic direction/value setup */
-	wm8350_gpio_set(chip, offset, value);
-
-	return 0;
+	return wm8350_gpio_set(chip, offset, value);
 }
 
 static int wm8350_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
@@ -94,7 +93,7 @@ static const struct gpio_chip template_chip = {
 	.direction_input	= wm8350_gpio_direction_in,
 	.get			= wm8350_gpio_get,
 	.direction_output	= wm8350_gpio_direction_out,
-	.set			= wm8350_gpio_set,
+	.set_rv			= wm8350_gpio_set,
 	.to_irq			= wm8350_gpio_to_irq,
 	.can_sleep		= true,
 };

-- 
2.48.1