linux-kernel - [PATCH 09/15] gpio: amd8111: use new line value setter callbacks

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Message-Id: <20250303-gpiochip-set-conversion-v1-9-1d5cceeebf8b@linaro.org>
Date: Mon, 03 Mar 2025 14:18:34 +0100
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, 
 Michael Hennerich <michael.hennerich@...log.com>, 
 Laurent Pinchart <laurent.pinchart@...asonboard.com>, 
 Mun Yew Tham <mun.yew.tham@...el.com>, Joel Stanley <joel@....id.au>, 
 Andrew Jeffery <andrew@...econstruct.com.au>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-pwm@...r.kernel.org, patches@...nsource.cirrus.com, 
 linux-arm-kernel@...ts.infradead.org, linux-aspeed@...ts.ozlabs.org, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH 09/15] gpio: amd8111: 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-amd8111.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpio/gpio-amd8111.c b/drivers/gpio/gpio-amd8111.c
index 3377667a28de..425d8472f744 100644
--- a/drivers/gpio/gpio-amd8111.c
+++ b/drivers/gpio/gpio-amd8111.c
@@ -94,7 +94,7 @@ static void amd_gpio_free(struct gpio_chip *chip, unsigned offset)
 	iowrite8(agp->orig[offset], agp->pm + AMD_REG_GPIO(offset));
 }
 
-static void amd_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
+static int amd_gpio_set(struct gpio_chip *chip, unsigned int offset, int value)
 {
 	struct amd_gpio *agp = gpiochip_get_data(chip);
 	u8 temp;
@@ -107,6 +107,8 @@ static void amd_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
 	spin_unlock_irqrestore(&agp->lock, flags);
 
 	dev_dbg(&agp->pdev->dev, "Setting gpio %d, value %d, reg=%02x\n", offset, !!value, temp);
+
+	return 0;
 }
 
 static int amd_gpio_get(struct gpio_chip *chip, unsigned offset)
@@ -163,7 +165,7 @@ static struct amd_gpio gp = {
 		.ngpio		= 32,
 		.request	= amd_gpio_request,
 		.free		= amd_gpio_free,
-		.set		= amd_gpio_set,
+		.set_rv		= amd_gpio_set,
 		.get		= amd_gpio_get,
 		.direction_output = amd_gpio_dirout,
 		.direction_input = amd_gpio_dirin,

-- 
2.45.2