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-rw-r--r--arch/powerpc/include/asm/opal.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
index 0ef0fd660ac6..c08de77f398a 100644
--- a/arch/powerpc/include/asm/opal.h
+++ b/arch/powerpc/include/asm/opal.h
@@ -210,6 +210,8 @@ extern int opal_notifier_unregister(struct notifier_block *nb);
extern int opal_message_notifier_register(enum opal_msg_type msg_type,
struct notifier_block *nb);
+extern int opal_message_notifier_unregister(enum opal_msg_type msg_type,
+ struct notifier_block *nb);
extern void opal_notifier_enable(void);
extern void opal_notifier_disable(void);
extern void opal_notifier_update_evt(uint64_t evt_mask, uint64_t evt_val);