linux-kernel - [PATCH 2/2] pinctrl: starfive: jh7110: 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: <20250612-gpiochip-set-rv-pinctrl-starfive-v1-2-8507b46516f5@linaro.org>
Date: Thu, 12 Jun 2025 14:24:31 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Emil Renner Berthing <kernel@...il.dk>, 
 Jianlong Huang <jianlong.huang@...rfivetech.com>, 
 Hal Feng <hal.feng@...rfivetech.com>, 
 Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH 2/2] pinctrl: starfive: jh7110: 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/pinctrl/starfive/pinctrl-starfive-jh7110.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/pinctrl/starfive/pinctrl-starfive-jh7110.c b/drivers/pinctrl/starfive/pinctrl-starfive-jh7110.c
index 1d0d6c224c104e7e970d5e31e52b2fe3b19e2cad..082bb1c6cea9b29257b197f065c1a9deebc997fd 100644
--- a/drivers/pinctrl/starfive/pinctrl-starfive-jh7110.c
+++ b/drivers/pinctrl/starfive/pinctrl-starfive-jh7110.c
@@ -608,8 +608,7 @@ static int jh7110_gpio_get(struct gpio_chip *gc, unsigned int gpio)
 	return !!(readl_relaxed(reg) & BIT(gpio % 32));
 }
 
-static void jh7110_gpio_set(struct gpio_chip *gc,
-			    unsigned int gpio, int value)
+static int jh7110_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value)
 {
 	struct jh7110_pinctrl *sfp = container_of(gc,
 			struct jh7110_pinctrl, gc);
@@ -625,6 +624,8 @@ static void jh7110_gpio_set(struct gpio_chip *gc,
 	dout |= readl_relaxed(reg_dout) & ~mask;
 	writel_relaxed(dout, reg_dout);
 	raw_spin_unlock_irqrestore(&sfp->lock, flags);
+
+	return 0;
 }
 
 static int jh7110_gpio_set_config(struct gpio_chip *gc,
@@ -934,7 +935,7 @@ int jh7110_pinctrl_probe(struct platform_device *pdev)
 	sfp->gc.direction_input = jh7110_gpio_direction_input;
 	sfp->gc.direction_output = jh7110_gpio_direction_output;
 	sfp->gc.get = jh7110_gpio_get;
-	sfp->gc.set = jh7110_gpio_set;
+	sfp->gc.set_rv = jh7110_gpio_set;
 	sfp->gc.set_config = jh7110_gpio_set_config;
 	sfp->gc.add_pin_ranges = jh7110_gpio_add_pin_ranges;
 	sfp->gc.base = info->gc_base;

-- 
2.48.1