[PATCH] include: linux/spinlock: add stubs for Linux _bh variants

[Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>]

For symmetry with existing empty spin_lock/unlock stubs, add _bh
suffixed versions as well.

Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
---
 include/linux/spinlock.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h
index 12af3dab231b..a604e0fd090f 100644
--- a/include/linux/spinlock.h
+++ b/include/linux/spinlock.h
@@ -6,7 +6,9 @@
 typedef int   spinlock_t;
 #define spin_lock_init(...)
 #define spin_lock(...)
+#define spin_lock_bh spin_lock
 #define spin_unlock(...)
+#define spin_unlock_bh spin_unlock
 #define spin_lock_irqsave(lock, flags) do { flags = 0; } while (0)
 #define spin_unlock_irqrestore(lock, flags) do { flags = flags; } while (0)
 
-- 
2.39.2