1 files changed, 5 insertions, 1 deletions

diff --git a/include/linux/usb.h b/include/linux/usb.h
index 35fe6ab222bb..a28eb2592577 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -313,6 +313,10 @@ struct usb_bus {
         int busnum;                     /* Bus number (in order of reg) */
         const char *bus_name;           /* stable id (PCI slot_name etc) */
         u8 uses_dma;                    /* Does the host controller use DMA? */
+        u8 uses_pio_for_control;        /*
+                                         * Does the host controller use PIO
+                                         * for control transfers?
+                                         */
         u8 otg_port;                    /* 0, or number of OTG/HNP port */
         unsigned is_b_host:1;           /* true during some HNP roleswitches */
         unsigned b_hnp_enable:1;        /* OTG: did A-Host enable HNP? */
@@ -797,7 +801,7 @@ struct usbdrv_wrap {
  * @disconnect: Called when the interface is no longer accessible, usually
  *      because its device has been (or is being) disconnected or the
  *      driver module is being unloaded.
- * @ioctl: Used for drivers that want to talk to userspace through
+ * @unlocked_ioctl: Used for drivers that want to talk to userspace through
  *      the "usbfs" filesystem.  This lets devices provide ways to
  *      expose information to user space regardless of where they
  *      do (or don't) show up otherwise in the filesystem.