genirq: irq_desc: Document preflow_handler and affinity_hint

[firefly-linux-kernel-4.4.55.git] / include / linux / irqdesc.h

diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
index 8e1dc8ea5471dbdef6ecfbec41ec8a61f042a897..c70b1aa4b93acb28d6741045d0789fe625e7ed9a 100644 (file)
--- a/include/linux/irqdesc.h
+++ b/include/linux/irqdesc.h
@@ -16,7 +16,8 @@ struct timer_rand_state;
  * @irq_data:          per irq and chip data passed down to chip functions
  * @timer_rand_state:  pointer to timer rand state struct
  * @kstat_irqs:                irq stats per cpu
- * @handle_irq:                highlevel irq-events handler [if NULL, __do_IRQ()]
+ * @handle_irq:                highlevel irq-events handler
+ * @preflow_handler:   handler called before the flow handler (currently used by sparc)
  * @action:            the irq action chain
  * @status:            status information
  * @core_internal_state__do_not_mess_with_it: core internal status information
@@ -26,6 +27,7 @@ struct timer_rand_state;
  * @last_unhandled:    aging timer for unhandled count
  * @irqs_unhandled:    stats field for spurious unhandled interrupts
  * @lock:              locking for SMP
+ * @affinity_hint:     hint to user space for preferred irq affinity
  * @affinity_notify:   context for notification of affinity changes
  * @pending_mask:      pending rebalanced interrupts
  * @threads_oneshot:   bitfield to handle shared oneshot threads