[PATCH v4 10/13] platform/x86: uniwill-wmi: use devm_blocking_notifier_chain_register()
From: Eliav Farber <hidden>
Date: 2026-07-26 10:19:56
Also in:
linux-acpi, linux-gpio, linux-iio, linux-pwm, lkml, platform-driver-x86
Subsystem:
the rest, uniwill laptop driver, x86 platform drivers · Maintainers:
Linus Torvalds, Armin Wolf, Hans de Goede, Ilpo Järvinen
Replace the blocking_notifier_chain_register() + devm_add_action_or_reset() pattern with a single call to devm_blocking_notifier_chain_register(), removing the devm_uniwill_wmi_unregister_notifier() callback. Signed-off-by: Eliav Farber <redacted> --- drivers/platform/x86/uniwill/uniwill-wmi.c | 17 +++-------------- 1 file changed, 3 insertions(+), 14 deletions(-)
diff --git a/drivers/platform/x86/uniwill/uniwill-wmi.c b/drivers/platform/x86/uniwill/uniwill-wmi.c
index afcbfa4f7552..2ffa29a829ee 100644
--- a/drivers/platform/x86/uniwill/uniwill-wmi.c
+++ b/drivers/platform/x86/uniwill/uniwill-wmi.c@@ -26,22 +26,11 @@ static BLOCKING_NOTIFIER_HEAD(uniwill_wmi_chain_head); -static void devm_uniwill_wmi_unregister_notifier(void *data) -{ - struct notifier_block *nb = data; - - blocking_notifier_chain_unregister(&uniwill_wmi_chain_head, nb); -} - int devm_uniwill_wmi_register_notifier(struct device *dev, struct notifier_block *nb) { - int ret; - - ret = blocking_notifier_chain_register(&uniwill_wmi_chain_head, nb); - if (ret < 0) - return ret; - - return devm_add_action_or_reset(dev, devm_uniwill_wmi_unregister_notifier, nb); + return devm_blocking_notifier_chain_register(dev, + &uniwill_wmi_chain_head, + nb); } static void uniwill_wmi_notify(struct wmi_device *wdev, union acpi_object *obj)
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2.47.3