linux-kernel - [PATCH 3/7] media: solo6x10: use new GPIO 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] [thread-next>] [day] [month] [year] [list]

Message-Id: <20250610-gpiochip-set-rv-media-v1-3-c088006a152c@linaro.org>
Date: Tue, 10 Jun 2025 14:35:37 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, 
 Bluecherry Maintainers <maintainers@...echerrydvr.com>, 
 Andrey Utkin <andrey_utkin@...tmail.com>, 
 Ismael Luceno <ismael@...ev.co.uk>, 
 Tomi Valkeinen <tomi.valkeinen@...asonboard.com>, 
 Julien Massot <julien.massot@...labora.com>, 
 Jacopo Mondi <jacopo+renesas@...ndi.org>, 
 Kieran Bingham <kieran.bingham+renesas@...asonboard.com>, 
 Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>, 
 Niklas Söderlund <niklas.soderlund+renesas@...natech.se>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-gpio@...r.kernel.org, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH 3/7] media: solo6x10: 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/media/pci/solo6x10/solo6x10-gpio.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/media/pci/solo6x10/solo6x10-gpio.c b/drivers/media/pci/solo6x10/solo6x10-gpio.c
index f51f865c69bd7b04fac7a1f951c734965d8fc993..6948f246a29ca92f12e3320d9c130d9bda7eef6a 100644
--- a/drivers/media/pci/solo6x10/solo6x10-gpio.c
+++ b/drivers/media/pci/solo6x10/solo6x10-gpio.c
@@ -127,7 +127,7 @@ static int solo_gpiochip_get(struct gpio_chip *chip,
 	return 1 & (ret >> (offset + 8));
 }
 
-static void solo_gpiochip_set(struct gpio_chip *chip,
+static int solo_gpiochip_set(struct gpio_chip *chip,
 						unsigned int offset, int value)
 {
 	struct solo_dev *solo_dev = gpiochip_get_data(chip);
@@ -136,6 +136,8 @@ static void solo_gpiochip_set(struct gpio_chip *chip,
 		solo_gpio_set(solo_dev, 1 << (offset + 8));
 	else
 		solo_gpio_clear(solo_dev, 1 << (offset + 8));
+
+	return 0;
 }
 #endif
 
@@ -156,7 +158,7 @@ int solo_gpio_init(struct solo_dev *solo_dev)
 
 	solo_dev->gpio_dev.get_direction = solo_gpiochip_get_direction;
 	solo_dev->gpio_dev.get = solo_gpiochip_get;
-	solo_dev->gpio_dev.set = solo_gpiochip_set;
+	solo_dev->gpio_dev.set_rv = solo_gpiochip_set;
 
 	ret = gpiochip_add_data(&solo_dev->gpio_dev, solo_dev);
 

-- 
2.48.1