Revert "USB: prevent buggy hubs from crashing the USB stack"

This reverts commit de3e365127bc56dd0b1f8d684b184d43efcd50b4 as it
breaks the musb host controller.  This patch will come back after the
musb fix goes upstream to Linus's tree.

Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Perry Neben <neben@vmware.com>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Alexander Holler <holler@ahsoftware.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 31edd87..32d0ad2 100644 (file)
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -2744,11 +2744,6 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
                udev->ttport = hdev->ttport;
        } else if (udev->speed != USB_SPEED_HIGH
                        && hdev->speed == USB_SPEED_HIGH) {
-               if (!hub->tt.hub) {
-                       dev_err(&udev->dev, "parent hub has no TT\n");
-                       retval = -EINVAL;
-                       goto fail;
-               }
                udev->tt = &hub->tt;
                udev->ttport = port1;
        }