static void register_intr_pda(struct sn_irq_info *sn_irq_info);
static void unregister_intr_pda(struct sn_irq_info *sn_irq_info);
-extern int sn_force_interrupt_flag;
+int sn_force_interrupt_flag = 1;
extern int sn_ioif_inited;
static struct list_head **sn_irq_lh;
static spinlock_t sn_irq_info_lock = SPIN_LOCK_UNLOCKED; /* non-IRQ lock */