[PATCH 17/19] gpio: zynq: use new GPIO line value setter callbacks
Bartosz Golaszewski
brgl at bgdev.pl
Tue Jul 8 23:41:54 PDT 2025
From: Bartosz Golaszewski <bartosz.golaszewski at linaro.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 at linaro.org>
---
drivers/gpio/gpio-zynq.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c
index 3dae63f3ea217780818ccb991ccba13ab18775db..b22b4e25c68dc19388dc2eb63504279e548c73b7 100644
--- a/drivers/gpio/gpio-zynq.c
+++ b/drivers/gpio/gpio-zynq.c
@@ -265,8 +265,8 @@ static int zynq_gpio_get_value(struct gpio_chip *chip, unsigned int pin)
* upper 16 bits) based on the given pin number and sets the state of a
* gpio pin to the specified value. The state is either 0 or non-zero.
*/
-static void zynq_gpio_set_value(struct gpio_chip *chip, unsigned int pin,
- int state)
+static int zynq_gpio_set_value(struct gpio_chip *chip, unsigned int pin,
+ int state)
{
unsigned int reg_offset, bank_num, bank_pin_num;
struct zynq_gpio *gpio = gpiochip_get_data(chip);
@@ -290,6 +290,8 @@ static void zynq_gpio_set_value(struct gpio_chip *chip, unsigned int pin,
((state << bank_pin_num) | ZYNQ_GPIO_UPPER_MASK);
writel_relaxed(state, gpio->base_addr + reg_offset);
+
+ return 0;
}
/**
@@ -930,7 +932,7 @@ static int zynq_gpio_probe(struct platform_device *pdev)
chip->owner = THIS_MODULE;
chip->parent = &pdev->dev;
chip->get = zynq_gpio_get_value;
- chip->set = zynq_gpio_set_value;
+ chip->set_rv = zynq_gpio_set_value;
chip->request = zynq_gpio_request;
chip->free = zynq_gpio_free;
chip->direction_input = zynq_gpio_dir_in;
--
2.48.1
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