linux-kernel - [PATCH 07/15] gpio: altera-a10sr: use new line value setter callbacks

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <20250303-gpiochip-set-conversion-v1-7-1d5cceeebf8b@linaro.org>
Date: Mon, 03 Mar 2025 14:18:32 +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 07/15] gpio: altera-a10sr: 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-altera-a10sr.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/gpio/gpio-altera-a10sr.c b/drivers/gpio/gpio-altera-a10sr.c
index 11edf1fe6c90..77a674cf99e4 100644
--- a/drivers/gpio/gpio-altera-a10sr.c
+++ b/drivers/gpio/gpio-altera-a10sr.c
@@ -35,15 +35,15 @@ static int altr_a10sr_gpio_get(struct gpio_chip *chip, unsigned int offset)
 	return !!(val & BIT(offset - ALTR_A10SR_LED_VALID_SHIFT));
 }
 
-static void altr_a10sr_gpio_set(struct gpio_chip *chip, unsigned int offset,
-				int value)
+static int altr_a10sr_gpio_set(struct gpio_chip *chip, unsigned int offset,
+			       int value)
 {
 	struct altr_a10sr_gpio *gpio = gpiochip_get_data(chip);
 
-	regmap_update_bits(gpio->regmap, ALTR_A10SR_LED_REG,
-			   BIT(ALTR_A10SR_LED_VALID_SHIFT + offset),
-			   value ? BIT(ALTR_A10SR_LED_VALID_SHIFT + offset)
-			   : 0);
+	return regmap_update_bits(gpio->regmap, ALTR_A10SR_LED_REG,
+				  BIT(ALTR_A10SR_LED_VALID_SHIFT + offset),
+				  value ?
+				  BIT(ALTR_A10SR_LED_VALID_SHIFT + offset) : 0);
 }
 
 static int altr_a10sr_gpio_direction_input(struct gpio_chip *gc,
@@ -69,7 +69,7 @@ static const struct gpio_chip altr_a10sr_gc = {
 	.label = "altr_a10sr_gpio",
 	.owner = THIS_MODULE,
 	.get = altr_a10sr_gpio_get,
-	.set = altr_a10sr_gpio_set,
+	.set_rv = altr_a10sr_gpio_set,
 	.direction_input = altr_a10sr_gpio_direction_input,
 	.direction_output = altr_a10sr_gpio_direction_output,
 	.can_sleep = true,

-- 
2.45.2