linux-kernel - [PATCH 15/15] gpio: da9055: use new line value setter callbacks

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Message-Id: <20250310-gpiochip-set-conversion-v1-15-03798bb833eb@linaro.org>
Date: Mon, 10 Mar 2025 13:40:29 +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 15/15] gpio: da9055: 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-da9055.c | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/drivers/gpio/gpio-da9055.c b/drivers/gpio/gpio-da9055.c
index 49446a030f10..3d9d0c700100 100644
--- a/drivers/gpio/gpio-da9055.c
+++ b/drivers/gpio/gpio-da9055.c
@@ -59,14 +59,12 @@ static int da9055_gpio_get(struct gpio_chip *gc, unsigned offset)
 
 }
 
-static void da9055_gpio_set(struct gpio_chip *gc, unsigned offset, int value)
+static int da9055_gpio_set(struct gpio_chip *gc, unsigned int offset, int value)
 {
 	struct da9055_gpio *gpio = gpiochip_get_data(gc);
 
-	da9055_reg_update(gpio->da9055,
-			DA9055_REG_GPIO_MODE0_2,
-			1 << offset,
-			value << offset);
+	return da9055_reg_update(gpio->da9055, DA9055_REG_GPIO_MODE0_2,
+				 1 << offset, value << offset);
 }
 
 static int da9055_gpio_direction_input(struct gpio_chip *gc, unsigned offset)
@@ -102,9 +100,7 @@ static int da9055_gpio_direction_output(struct gpio_chip *gc,
 	if (ret < 0)
 		return ret;
 
-	da9055_gpio_set(gc, offset, value);
-
-	return 0;
+	return da9055_gpio_set(gc, offset, value);
 }
 
 static int da9055_gpio_to_irq(struct gpio_chip *gc, u32 offset)
@@ -120,7 +116,7 @@ static const struct gpio_chip reference_gp = {
 	.label = "da9055-gpio",
 	.owner = THIS_MODULE,
 	.get = da9055_gpio_get,
-	.set = da9055_gpio_set,
+	.set_rv = da9055_gpio_set,
 	.direction_input = da9055_gpio_direction_input,
 	.direction_output = da9055_gpio_direction_output,
 	.to_irq = da9055_gpio_to_irq,

-- 
2.45.2