genirq: Add chip hooks for taking CPUs on/off line.

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / irq.h

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 8649b0fb9dafb500d883b13dde8e7fabc55e9e25..c2a0c192969084f17937996e201fb74121331b4b 100644 (file)
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -279,6 +279,8 @@ static inline bool irqd_irq_disabled(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_cpu_online:    configure an interrupt source for a secondary CPU
+ * @irq_cpu_offline:   un-configure an interrupt source for a secondary CPU
  * @irq_print_chip:    optional to print special chip info in show_interrupts
  * @flags:             chip specific flags
  *
@@ -327,6 +329,9 @@ struct irq_chip {
        void            (*irq_bus_lock)(struct irq_data *data);
        void            (*irq_bus_sync_unlock)(struct irq_data *data);
 
+       void            (*irq_cpu_online)(struct irq_data *data);
+       void            (*irq_cpu_offline)(struct irq_data *data);
+
        void            (*irq_print_chip)(struct irq_data *data, struct seq_file *p);
 
        unsigned long   flags;
@@ -372,6 +377,9 @@ struct irqaction;
 extern int setup_irq(unsigned int irq, struct irqaction *new);
 extern void remove_irq(unsigned int irq, struct irqaction *act);
 
+extern void irq_cpu_online(void);
+extern void irq_cpu_offline(void);
+
 #ifdef CONFIG_GENERIC_HARDIRQS
 
 #if defined(CONFIG_SMP) && defined(CONFIG_GENERIC_PENDING_IRQ)