1 files changed, 9 insertions, 0 deletions

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 7dc10036eff5..d278838908cb 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -303,6 +303,10 @@ static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d)
  * @irq_pm_shutdown:    function called from core code on shutdown once per chip
  * @irq_calc_mask:      Optional function to set irq_data.mask for special cases
  * @irq_print_chip:     optional to print special chip info in show_interrupts
+ * @irq_request_resources:      optional to request resources before calling
+ *                              any other callback related to this irq
+ * @irq_release_resources:      optional to release resources acquired with
+ *                              irq_request_resources
  * @flags:              chip specific flags
  */
 struct irq_chip {
@@ -336,6 +340,8 @@ struct irq_chip {
         void            (*irq_calc_mask)(struct irq_data *data);
 
         void            (*irq_print_chip)(struct irq_data *data, struct seq_file *p);
+        int             (*irq_request_resources)(struct irq_data *data);
+        void            (*irq_release_resources)(struct irq_data *data);
 
         unsigned long   flags;
 };
@@ -349,6 +355,8 @@ struct irq_chip {
  * IRQCHIP_ONOFFLINE_ENABLED:   Only call irq_on/off_line callbacks
  *                              when irq enabled
  * IRQCHIP_SKIP_SET_WAKE:       Skip chip.irq_set_wake(), for this irq chip
+ * IRQCHIP_ONESHOT_SAFE:        One shot does not require mask/unmask
+ * IRQCHIP_EOI_THREADED:        Chip requires eoi() on unmask in threaded mode
  */
 enum {
         IRQCHIP_SET_TYPE_MASKED         = (1 <<  0),
@@ -357,6 +365,7 @@ enum {
         IRQCHIP_ONOFFLINE_ENABLED       = (1 <<  3),
         IRQCHIP_SKIP_SET_WAKE           = (1 <<  4),
         IRQCHIP_ONESHOT_SAFE            = (1 <<  5),
+        IRQCHIP_EOI_THREADED            = (1 <<  6),
 };
 
 /* This include will go away once we isolated irq_desc usage to core code */