1 files changed, 31 insertions, 0 deletions

diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 472f11765f60..ce2c07d99fc3 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -61,6 +61,17 @@
 
 typedef irqreturn_t (*irq_handler_t)(int, void *);
 
+/**
+ * struct irqaction - per interrupt action descriptor
+ * @handler:    interrupt handler function
+ * @flags:      flags (see IRQF_* above)
+ * @mask:       no comment as it is useless and about to be removed
+ * @name:       name of the device
+ * @dev_id:     cookie to identify the device
+ * @next:       pointer to the next irqaction for shared interrupts
+ * @irq:        interrupt number
+ * @dir:        pointer to the proc/irq/NN/name entry
+ */
 struct irqaction {
         irq_handler_t handler;
         unsigned long flags;
@@ -106,6 +117,15 @@ extern void disable_irq_nosync(unsigned int irq);
 extern void disable_irq(unsigned int irq);
 extern void enable_irq(unsigned int irq);
 
+/* The following three functions are for the core kernel use only. */
+extern void suspend_device_irqs(void);
+extern void resume_device_irqs(void);
+#ifdef CONFIG_PM_SLEEP
+extern int check_wakeup_irqs(void);
+#else
+static inline int check_wakeup_irqs(void) { return 0; }
+#endif
+
 #if defined(CONFIG_SMP) && defined(CONFIG_GENERIC_HARDIRQS)
 
 extern cpumask_var_t irq_default_affinity;
@@ -258,6 +278,11 @@ enum
         NR_SOFTIRQS
 };
 
+/* map softirq index to softirq name. update 'softirq_to_name' in
+ * kernel/softirq.c when adding a new softirq.
+ */
+extern char *softirq_to_name[NR_SOFTIRQS];
+
 /* softirq mask and active fields moved to irq_cpustat_t in
  * asm/hardirq.h to get better cache usage.  KAO
  */
@@ -462,6 +487,12 @@ static inline void init_irq_proc(void)
 }
 #endif
 
+#if defined(CONFIG_GENERIC_HARDIRQS) && defined(CONFIG_DEBUG_SHIRQ)
+extern void debug_poll_all_shared_irqs(void);
+#else
+static inline void debug_poll_all_shared_irqs(void) { }
+#endif
+
 int show_interrupts(struct seq_file *p, void *v);
 
 struct irq_desc;