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ACPI: APEI: GHES: Add devm_ghes_register_vendor_record_notifier()

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Add a device-managed wrapper around ghes_register_vendor_record_notifier()
so drivers can avoid manual cleanup on device removal or probe failure.

Signed-off-by: Kai-Heng Feng <kaihengf@nvidia.com>
Reviewed-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Shiju Jose <shiju.jose@huawei.com>
Reviewed-by: Shuai Xue <xueshuai@linux.alibaba.com>
Link: https://patch.msgid.link/20260330094203.38022-2-kaihengf@nvidia.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Kai-Heng Feng 2026-03-30 17:41:55 +08:00 committed by Rafael J. Wysocki
parent 591cd656a1
commit 441fa10a5a
2 changed files with 29 additions and 0 deletions
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18
drivers/acpi/apei/ghes.c
View File

@ -689,6 +689,24 @@ void ghes_unregister_vendor_record_notifier(struct notifier_block *nb)
}
EXPORT_SYMBOL_GPL(ghes_unregister_vendor_record_notifier);
static void ghes_vendor_record_notifier_destroy(void *nb)
{
ghes_unregister_vendor_record_notifier(nb);
}
int devm_ghes_register_vendor_record_notifier(struct device *dev,
struct notifier_block *nb)
{
int ret;
ret = ghes_register_vendor_record_notifier(nb);
if (ret)
return ret;
return devm_add_action_or_reset(dev, ghes_vendor_record_notifier_destroy, nb);
}
EXPORT_SYMBOL_GPL(devm_ghes_register_vendor_record_notifier);
static void ghes_vendor_record_work_func(struct work_struct *work)
{
struct ghes_vendor_record_entry *entry;

11
include/acpi/ghes.h
View File

@ -71,6 +71,17 @@ int ghes_register_vendor_record_notifier(struct notifier_block *nb);
*/
void ghes_unregister_vendor_record_notifier(struct notifier_block *nb);
/**
* devm_ghes_register_vendor_record_notifier - device-managed vendor
* record notifier registration.
* @dev: device that owns the notifier lifetime
* @nb: pointer to the notifier_block structure of the vendor record handler
*
* Return: 0 on success, negative errno on failure.
*/
int devm_ghes_register_vendor_record_notifier(struct device *dev,
struct notifier_block *nb);
struct list_head *ghes_get_devices(void);
void ghes_estatus_pool_region_free(unsigned long addr, u32 size);