Merge branch 'linus' into x86/i8259

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

diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index e52ed1663b3c566ae5d0aa53799faa46f2f00324..09a53e7f33278ad58f555b15792c7b89c676a458 100644 (file)
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -129,7 +129,7 @@ static const u8 usb2_rh_dev_descriptor [18] = {
 
        0x09,       /*  __u8  bDeviceClass; HUB_CLASSCODE */
        0x00,       /*  __u8  bDeviceSubClass; */
-       0x01,       /*  __u8  bDeviceProtocol; [ usb 2.0 single TT ]*/
+       0x00,       /*  __u8  bDeviceProtocol; [ usb 2.0 no TT ] */
        0x40,       /*  __u8  bMaxPacketSize0; 64 Bytes */
 
        0x6b, 0x1d, /*  __le16 idVendor; Linux Foundation */
@@ -291,7 +291,6 @@ static int ascii2utf (char *s, u8 *utf, int utfmax)
  * rh_string - provides manufacturer, product and serial strings for root hub
  * @id: the string ID number (1: serial number, 2: product, 3: vendor)
  * @hcd: the host controller for this root hub
- * @type: string describing our driver 
  * @data: return packet in UTF-16 LE
  * @len: length of the return packet
  *
@@ -355,9 +354,10 @@ static int rh_call_control (struct usb_hcd *hcd, struct urb *urb)
                __attribute__((aligned(4)));
        const u8        *bufp = tbuf;
        int             len = 0;
-       int             patch_wakeup = 0;
        int             status;
        int             n;
+       u8              patch_wakeup = 0;
+       u8              patch_protocol = 0;
 
        might_sleep();
 
@@ -434,6 +434,8 @@ static int rh_call_control (struct usb_hcd *hcd, struct urb *urb)
                        else
                                goto error;
                        len = 18;
+                       if (hcd->has_tt)
+                               patch_protocol = 1;
                        break;
                case USB_DT_CONFIG << 8:
                        if (hcd->driver->flags & HCD_USB2) {
@@ -528,6 +530,13 @@ error:
                                                bmAttributes))
                        ((struct usb_config_descriptor *)ubuf)->bmAttributes
                                |= USB_CONFIG_ATT_WAKEUP;
+
+               /* report whether RH hardware has an integrated TT */
+               if (patch_protocol &&
+                               len > offsetof(struct usb_device_descriptor,
+                                               bDeviceProtocol))
+                       ((struct usb_device_descriptor *) ubuf)->
+                                       bDeviceProtocol = 1;
        }
 
        /* any errors get returned through the urb completion */
@@ -809,12 +818,12 @@ static int usb_register_bus(struct usb_bus *bus)
        set_bit (busnum, busmap.busmap);
        bus->busnum = busnum;
 
-       bus->dev = device_create(usb_host_class, bus->controller, MKDEV(0, 0),
-                                "usb_host%d", busnum);
+       bus->dev = device_create_drvdata(usb_host_class, bus->controller,
+                                        MKDEV(0, 0), bus,
+                                        "usb_host%d", busnum);
        result = PTR_ERR(bus->dev);
        if (IS_ERR(bus->dev))
                goto error_create_class_dev;
-       dev_set_drvdata(bus->dev, bus);
 
        /* Add it to the local list of buses */
        list_add (&bus->bus_list, &usb_bus_list);
@@ -915,15 +924,6 @@ static int register_root_hub(struct usb_hcd *hcd)
        return retval;
 }
 
-void usb_enable_root_hub_irq (struct usb_bus *bus)
-{
-       struct usb_hcd *hcd;
-
-       hcd = container_of (bus, struct usb_hcd, self);
-       if (hcd->driver->hub_irq_enable && hcd->state != HC_STATE_HALT)
-               hcd->driver->hub_irq_enable (hcd);
-}
-
 
 /*-------------------------------------------------------------------------*/
 
@@ -1677,7 +1677,6 @@ EXPORT_SYMBOL_GPL(usb_bus_start_enum);
  * usb_hcd_irq - hook IRQs to HCD framework (bus glue)
  * @irq: the IRQ being raised
  * @__hcd: pointer to the HCD whose IRQ is being signaled
- * @r: saved hardware registers
  *
  * If the controller isn't HALTed, calls the driver's irq handler.
  * Checks whether the controller is now dead.