linux-kernel - [PATCH 5/6] pinctrl: qcom: ssbi-gpio: 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: <20250410-gpiochip-set-rv-pinctrl-qcom-v1-5-6a6891338aae@linaro.org>
Date: Thu, 10 Apr 2025 11:34:47 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Bjorn Andersson <andersson@...nel.org>, 
 Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>
Cc: linux-arm-msm@...r.kernel.org, linux-gpio@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH 5/6] pinctrl: qcom: ssbi-gpio: 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/qcom/pinctrl-ssbi-gpio.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c b/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c
index 82679417e25f..3a8014ebf064 100644
--- a/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c
+++ b/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c
@@ -507,7 +507,8 @@ static int pm8xxx_gpio_get(struct gpio_chip *chip, unsigned offset)
 	return ret;
 }
 
-static void pm8xxx_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
+static int pm8xxx_gpio_set(struct gpio_chip *chip, unsigned int offset,
+			   int value)
 {
 	struct pm8xxx_gpio *pctrl = gpiochip_get_data(chip);
 	struct pm8xxx_pin_data *pin = pctrl->desc.pins[offset].drv_data;
@@ -519,7 +520,7 @@ static void pm8xxx_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
 	val |= pin->open_drain << 1;
 	val |= pin->output_value;
 
-	pm8xxx_write_bank(pctrl, pin, 1, val);
+	return pm8xxx_write_bank(pctrl, pin, 1, val);
 }
 
 static int pm8xxx_gpio_of_xlate(struct gpio_chip *chip,
@@ -596,7 +597,7 @@ static const struct gpio_chip pm8xxx_gpio_template = {
 	.direction_input = pm8xxx_gpio_direction_input,
 	.direction_output = pm8xxx_gpio_direction_output,
 	.get = pm8xxx_gpio_get,
-	.set = pm8xxx_gpio_set,
+	.set_rv = pm8xxx_gpio_set,
 	.of_xlate = pm8xxx_gpio_of_xlate,
 	.dbg_show = pm8xxx_gpio_dbg_show,
 	.owner = THIS_MODULE,

-- 
2.45.2