linux-kernel - [PATCH 05/15] gpio: bd9571mwv: use new line value setter callbacks

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Message-Id: <20250310-gpiochip-set-conversion-v1-5-03798bb833eb@linaro.org>
Date: Mon, 10 Mar 2025 13:40:19 +0100
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Ray Jui <rjui@...adcom.com>, 
 Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>, 
 Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, 
 Florian Fainelli <florian.fainelli@...adcom.com>, 
 Scott Branden <sbranden@...adcom.com>, 
 Matti Vaittinen <mazziesaccount@...il.com>, 
 Marek Vasut <marek.vasut+renesas@...il.com>, Michael Buesch <m@...s.ch>, 
 Thomas Richard <thomas.richard@...tlin.com>, 
 Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>, 
 Benson Leung <bleung@...omium.org>, Guenter Roeck <groeck@...omium.org>, 
 Andy Shevchenko <andy@...nel.org>, 
 Support Opensource <support.opensource@...semi.com>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-renesas-soc@...r.kernel.org, chrome-platform@...ts.linux.dev, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH 05/15] gpio: bd9571mwv: use new 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-bd9571mwv.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpio/gpio-bd9571mwv.c b/drivers/gpio/gpio-bd9571mwv.c
index 9a4d55f703bb..8df1361e3e84 100644
--- a/drivers/gpio/gpio-bd9571mwv.c
+++ b/drivers/gpio/gpio-bd9571mwv.c
@@ -72,13 +72,13 @@ static int bd9571mwv_gpio_get(struct gpio_chip *chip, unsigned int offset)
 	return val & BIT(offset);
 }
 
-static void bd9571mwv_gpio_set(struct gpio_chip *chip, unsigned int offset,
+static int bd9571mwv_gpio_set(struct gpio_chip *chip, unsigned int offset,
 			      int value)
 {
 	struct bd9571mwv_gpio *gpio = gpiochip_get_data(chip);
 
-	regmap_update_bits(gpio->regmap, BD9571MWV_GPIO_OUT,
-			   BIT(offset), value ? BIT(offset) : 0);
+	return regmap_update_bits(gpio->regmap, BD9571MWV_GPIO_OUT,
+				  BIT(offset), value ? BIT(offset) : 0);
 }
 
 static const struct gpio_chip template_chip = {
@@ -88,7 +88,7 @@ static const struct gpio_chip template_chip = {
 	.direction_input	= bd9571mwv_gpio_direction_input,
 	.direction_output	= bd9571mwv_gpio_direction_output,
 	.get			= bd9571mwv_gpio_get,
-	.set			= bd9571mwv_gpio_set,
+	.set_rv			= bd9571mwv_gpio_set,
 	.base			= -1,
 	.ngpio			= 2,
 	.can_sleep		= true,

-- 
2.45.2