[PATCH 15/18] include: add blocking notifier aliases

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All notifiers are blocking in barebox, but to avoid needless mechanical
fixups during porting, just provide the stubs in a new
<linux/notifier.h> header. While at it, also provide NOTIFY_DONE and
NOTIFY_DONE for use in the notifier callbacks.

Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
---
 include/linux/notifier.h | 16 ++++++++++++++++
 include/notifier.h       |  3 +++
 2 files changed, 19 insertions(+)
 create mode 100644 include/linux/notifier.h

diff --git a/include/linux/notifier.h b/include/linux/notifier.h
new file mode 100644
index 000000000000..25f4921a3e80
--- /dev/null
+++ b/include/linux/notifier.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef __LINUX_NOTIFIER_H
+#define __LINUX_NOTIFIER_H
+
+#include <notifier.h>
+
+#define BLOCKING_NOTIFIER_HEAD			NOTIFIER_HEAD
+
+#define blocking_notifier_call_chain		notifier_call_chain
+
+#define blocking_notifier_head			notifier_head
+
+#define blocking_notifier_chain_register	notifier_chain_register
+#define blocking_notifier_chain_unregister	notifier_chain_unregister
+
+#endif
diff --git a/include/notifier.h b/include/notifier.h
index 432b66c4ca5a..093fedb0e8e4 100644
--- a/include/notifier.h
+++ b/include/notifier.h
@@ -35,4 +35,7 @@ int clock_notifier_call_chain(void);
 		.blocks = LIST_HEAD_INIT((name).blocks),	\
 	};
 
+#define NOTIFY_DONE		0x0000		/* Don't care */
+#define NOTIFY_OK		0x0001		/* Suits me */
+
 #endif /* __NOTIFIER_H */
-- 
2.39.2





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