[PATCH v4 12/13] gpio: gpiolib-kunit: use devm_blocking_notifier_chain_register()
From: Eliav Farber <hidden>
Date: 2026-07-26 10:20:06
Also in:
linux-acpi, linux-gpio, linux-iio, linux-pwm, lkml, platform-driver-x86
Subsystem:
gpio subsystem, the rest · Maintainers:
Linus Walleij, Bartosz Golaszewski, Linus Torvalds
Replace the blocking_notifier_chain_register() + devm_add_action_or_reset() pattern with a single call to devm_blocking_notifier_chain_register(), removing the gpio_unbind_unregister_notifier() callback. Signed-off-by: Eliav Farber <redacted> --- drivers/gpio/gpiolib-kunit.c | 14 ++------------ 1 file changed, 2 insertions(+), 12 deletions(-)
diff --git a/drivers/gpio/gpiolib-kunit.c b/drivers/gpio/gpiolib-kunit.c
index 380b68f879e5..8ce9acc89e29 100644
--- a/drivers/gpio/gpiolib-kunit.c
+++ b/drivers/gpio/gpiolib-kunit.c@@ -237,13 +237,6 @@ static int gpio_unbind_notify(struct notifier_block *nb, unsigned long action, return NOTIFY_OK; } -static void gpio_unbind_unregister_notifier(void *data) -{ - struct notifier_block *nb = data; - - blocking_notifier_chain_unregister(&gpio_unbind_notifier, nb); -} - static int gpio_unbind_consumer_probe(struct platform_device *pdev) { struct gpio_unbind_consumer_drvdata *data;
@@ -261,11 +254,8 @@ static int gpio_unbind_consumer_probe(struct platform_device *pdev) return PTR_ERR(data->desc); data->nb.notifier_call = gpio_unbind_notify; - ret = blocking_notifier_chain_register(&gpio_unbind_notifier, &data->nb); - if (ret) - return ret; - - ret = devm_add_action_or_reset(dev, gpio_unbind_unregister_notifier, &data->nb); + ret = devm_blocking_notifier_chain_register(dev, &gpio_unbind_notifier, + &data->nb); if (ret) return ret;
--
2.47.3