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-rw-r--r--include/linux/spinlock.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h
new file mode 100644
index 0000000000..b32114f4f0
--- /dev/null
+++ b/include/linux/spinlock.h
@@ -0,0 +1,11 @@
+#ifndef __LINUX_SPINLOCK_H
+#define __LINUX_SPINLOCK_H
+
+typedef int spinlock_t;
+#define spin_lock_init(...)
+#define spin_lock(...)
+#define spin_unlock(...)
+#define spin_lock_irqsave(lock, flags) do { flags = 0; } while (0)
+#define spin_unlock_irqrestore(lock, flags) do { flags = flags; } while (0)
+
+#endif /* __LINUX_SPINLOCK_H */