1 files changed, 5 insertions, 3 deletions

diff --git a/include/linux/uio_driver.h b/include/linux/uio_driver.h
index 973386d439d..cdf338d94b7 100644
--- a/include/linux/uio_driver.h
+++ b/include/linux/uio_driver.h
@@ -36,7 +36,7 @@ struct uio_mem {
         struct uio_map          *map;
 };
 
-#define MAX_UIO_MAPS    5
+#define MAX_UIO_MAPS    5
 
 struct uio_device;
 
@@ -53,6 +53,7 @@ struct uio_device;
  * @mmap:               mmap operation for this uio device
  * @open:               open operation for this uio device
  * @release:            release operation for this uio device
+ * @irqcontrol:         disable/enable irqs when 0/1 is written to /dev/uioX
  */
 struct uio_info {
         struct uio_device       *uio_dev;
@@ -66,6 +67,7 @@ struct uio_info {
         int (*mmap)(struct uio_info *info, struct vm_area_struct *vma);
         int (*open)(struct uio_info *info, struct inode *inode);
         int (*release)(struct uio_info *info, struct inode *inode);
+        int (*irqcontrol)(struct uio_info *info, s32 irq_on);
 };
 
 extern int __must_check
@@ -80,11 +82,11 @@ static inline int __must_check
 extern void uio_unregister_device(struct uio_info *info);
 extern void uio_event_notify(struct uio_info *info);
 
-/* defines for uio_device->irq */
+/* defines for uio_info->irq */
 #define UIO_IRQ_CUSTOM  -1
 #define UIO_IRQ_NONE    -2
 
-/* defines for uio_device->memtype */
+/* defines for uio_mem->memtype */
 #define UIO_MEM_NONE    0
 #define UIO_MEM_PHYS    1
 #define UIO_MEM_LOGICAL 2