/* common */
#define spin_lock_init(...)
#define spin_lock(...)
-#define spin_lock_irqsave(lock, flags) do {flags = 1; } while (0)
+#define spin_lock_irqsave(lock, flags) do { debug("%lu\n", flags); } while (0)
#define spin_unlock(...)
#define spin_unlock_irqrestore(lock, flags) do {flags = 0; } while (0)
#define disable_irq(...)