genirq: Expand generic show_interrupts()

[linux.git] / include / linux / irq.h

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 1d3577f30d45f62c55ef18f12eb6204b7f0dd1e9..5d876c9b3a3dc0343ac38605f88797df319958da 100644 (file)
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -28,6 +28,7 @@
 #include <asm/ptrace.h>
 #include <asm/irq_regs.h>
 
+struct seq_file;
 struct irq_desc;
 struct irq_data;
 typedef        void (*irq_flow_handler_t)(unsigned int irq,
@@ -270,6 +271,7 @@ static inline bool irqd_can_move_in_process_context(struct irq_data *d)
  * @irq_set_wake:      enable/disable power-management wake-on of an IRQ
  * @irq_bus_lock:      function to lock access to slow bus (i2c) chips
  * @irq_bus_sync_unlock:function to sync and unlock slow bus (i2c) chips
+ * @irq_print_chip:    optional to print special chip info in show_interrupts
  * @flags:             chip specific flags
  *
  * @release:           release function solely used by UML
@@ -317,6 +319,8 @@ struct irq_chip {
        void            (*irq_bus_lock)(struct irq_data *data);
        void            (*irq_bus_sync_unlock)(struct irq_data *data);
 
+       void            (*irq_print_chip)(struct irq_data *data, struct seq_file *p);
+
        unsigned long   flags;
 
        /* Currently used only by UML, might disappear one day.*/