1 files changed, 10 insertions, 3 deletions

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 70cccc75a36..84c1897188d 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -20,6 +20,7 @@
 #include <linux/usb.h>
 #include <linux/usbdevice_fs.h>
 #include <linux/usb/hcd.h>
+#include <linux/usb/quirks.h>
 #include <linux/kthread.h>
 #include <linux/mutex.h>
 #include <linux/freezer.h>
@@ -1294,6 +1295,7 @@ descriptor_error:
         return -ENODEV;
 }
 
+/* No BKL needed */
 static int
 hub_ioctl(struct usb_interface *intf, unsigned int code, void *user_data)
 {
@@ -1801,7 +1803,6 @@ int usb_new_device(struct usb_device *udev)
         pm_runtime_set_active(&udev->dev);
         pm_runtime_enable(&udev->dev);
 
-        usb_detect_quirks(udev);
         err = usb_enumerate_device(udev);       /* Read descriptors */
         if (err < 0)
                 goto fail;
@@ -2880,7 +2881,9 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
         }
 
         retval = 0;
-
+        /* notify HCD that we have a device connected and addressed */
+        if (hcd->driver->update_device)
+                hcd->driver->update_device(hcd, udev);
 fail:
         if (retval) {
                 hub_port_disable(hub, port1, 0);
@@ -3111,6 +3114,10 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1,
                 if (status < 0)
                         goto loop;
 
+                usb_detect_quirks(udev);
+                if (udev->quirks & USB_QUIRK_DELAY_INIT)
+                        msleep(1000);
+
                 /* consecutive bus-powered hubs aren't reliable; they can
                  * violate the voltage drop budget.  if the new child has
                  * a "powered" LED, users should notice we didn't enable it
@@ -3463,7 +3470,7 @@ static struct usb_driver hub_driver = {
         .reset_resume = hub_reset_resume,
         .pre_reset =    hub_pre_reset,
         .post_reset =   hub_post_reset,
-        .ioctl =        hub_ioctl,
+        .unlocked_ioctl = hub_ioctl,
         .id_table =     hub_id_table,
         .supports_autosuspend = 1,
 };