genirq: add doc to struct irqaction

Impact: documentation

struct irqaction is not documented. Add kernel doc comments and add
interrupt.h to the genirq docbook.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/Documentation/DocBook/genericirq.tmpl b/Documentation/DocBook/genericirq.tmpl
index 3a882d9..c671a01 100644 (file)
--- a/Documentation/DocBook/genericirq.tmpl
+++ b/Documentation/DocBook/genericirq.tmpl
@@ -440,6 +440,7 @@ desc->chip->end();
      used in the generic IRQ layer.
      </para>
 !Iinclude/linux/irq.h
+!Iinclude/linux/interrupt.h
   </chapter>
 
   <chapter id="pubfunctions">

diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 468e3a2..91658d0 100644 (file)
--- 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;