USB: remove interface parameter of usb_reset_composite_device

[linux-2.6] / drivers / usb / core / hub.c

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index e678ed8bd8c237be56181d01a8fc6935259e2bb9..207c33d369bee80f0d88b302dbb00475defe7194 100644 (file)
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1051,6 +1051,12 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id)
        desc = intf->cur_altsetting;
        hdev = interface_to_usbdev(intf);
 
+       if (hdev->level == MAX_TOPO_LEVEL) {
+               dev_err(&intf->dev, "Unsupported bus topology: "
+                               "hub nested too deep\n");
+               return -E2BIG;
+       }
+
 #ifdef CONFIG_USB_OTG_BLACKLIST_HUB
        if (hdev->parent) {
                dev_warn(&intf->dev, "ignoring external hub\n");
@@ -2706,7 +2712,7 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1,
 #endif
 
                } else {
-                       status = usb_reset_composite_device(udev, NULL);
+                       status = usb_reset_composite_device(udev);
                }
                usb_unlock_device(udev);
 
@@ -2934,7 +2940,7 @@ static void hub_events(void)
                        dev_dbg (hub_dev, "resetting for error %d\n",
                                hub->error);
 
-                       ret = usb_reset_composite_device(hdev, intf);
+                       ret = usb_reset_composite_device(hdev);
                        if (ret) {
                                dev_dbg (hub_dev,
                                        "error resetting hub: %d\n", ret);
@@ -3349,7 +3355,6 @@ EXPORT_SYMBOL_GPL(usb_reset_device);
 /**
  * usb_reset_composite_device - warn interface drivers and perform a USB port reset
  * @udev: device to reset (not in SUSPENDED or NOTATTACHED state)
- * @iface: interface bound to the driver making the request (optional)
  *
  * Warns all drivers bound to registered interfaces (using their pre_reset
  * method), performs the port reset, and then lets the drivers know that
@@ -3362,8 +3367,7 @@ EXPORT_SYMBOL_GPL(usb_reset_device);
  * For calls that might not occur during probe(), drivers should lock
  * the device using usb_lock_device_for_reset().
  */
-int usb_reset_composite_device(struct usb_device *udev,
-               struct usb_interface *iface)
+int usb_reset_composite_device(struct usb_device *udev)
 {
        int ret;
        int i;
@@ -3379,9 +3383,6 @@ int usb_reset_composite_device(struct usb_device *udev,
        /* Prevent autosuspend during the reset */
        usb_autoresume_device(udev);
 
-       if (iface && iface->condition != USB_INTERFACE_BINDING)
-               iface = NULL;
-
        if (config) {
                for (i = 0; i < config->desc.bNumInterfaces; ++i) {
                        struct usb_interface *cintf = config->interface[i];