USB: move routines in hcd.c

This patch (as939) moves a couple of routine in hcd.c around.  The
purpose is to put all the general URB- and endpoint-related routines
(submit, unlink, giveback, and disable) together in one spot.

There are no functional changes.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 963520f..032b118 100644 (file)
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1033,18 +1033,6 @@ done:
 
 /*-------------------------------------------------------------------------*/
 
-/* called in any context */
-int usb_hcd_get_frame_number (struct usb_device *udev)
-{
-       struct usb_hcd  *hcd = bus_to_hcd(udev->bus);
-
-       if (!HC_IS_RUNNING (hcd->state))
-               return -ESHUTDOWN;
-       return hcd->driver->get_frame_number (hcd);
-}
-
-/*-------------------------------------------------------------------------*/
-
 /* this makes the hcd giveback() the urb more quickly, by kicking it
  * off hardware queues (which may take a while) and returning it as
  * soon as practical.  we've already set up the urb's return status,
@@ -1167,6 +1155,35 @@ done:
 
 /*-------------------------------------------------------------------------*/
 
+/**
+ * usb_hcd_giveback_urb - return URB from HCD to device driver
+ * @hcd: host controller returning the URB
+ * @urb: urb being returned to the USB device driver.
+ * Context: in_interrupt()
+ *
+ * This hands the URB from HCD to its USB device driver, using its
+ * completion function.  The HCD has freed all per-urb resources
+ * (and is done using urb->hcpriv).  It also released all HCD locks;
+ * the device driver won't cause problems if it frees, modifies,
+ * or resubmits this URB.
+ */
+void usb_hcd_giveback_urb (struct usb_hcd *hcd, struct urb *urb)
+{
+       urb_unlink(hcd, urb);
+       usbmon_urb_complete (&hcd->self, urb);
+       usb_unanchor_urb(urb);
+
+       /* pass ownership to the completion handler */
+       urb->complete (urb);
+       atomic_dec (&urb->use_count);
+       if (unlikely (urb->reject))
+               wake_up (&usb_kill_urb_queue);
+       usb_put_urb (urb);
+}
+EXPORT_SYMBOL (usb_hcd_giveback_urb);
+
+/*-------------------------------------------------------------------------*/
+
 /* disables the endpoint: cancels any pending urbs, then synchronizes with
  * the hcd to make sure all endpoint state is gone from hardware, and then
  * waits until the endpoint's queue is completely drained. use for
@@ -1260,6 +1277,18 @@ rescan:
 
 /*-------------------------------------------------------------------------*/
 
+/* called in any context */
+int usb_hcd_get_frame_number (struct usb_device *udev)
+{
+       struct usb_hcd  *hcd = bus_to_hcd(udev->bus);
+
+       if (!HC_IS_RUNNING (hcd->state))
+               return -ESHUTDOWN;
+       return hcd->driver->get_frame_number (hcd);
+}
+
+/*-------------------------------------------------------------------------*/
+
 #ifdef CONFIG_PM
 
 int hcd_bus_suspend(struct usb_device *rhdev)
@@ -1395,35 +1424,6 @@ EXPORT_SYMBOL (usb_bus_start_enum);
 /*-------------------------------------------------------------------------*/
 
 /**
- * usb_hcd_giveback_urb - return URB from HCD to device driver
- * @hcd: host controller returning the URB
- * @urb: urb being returned to the USB device driver.
- * Context: in_interrupt()
- *
- * This hands the URB from HCD to its USB device driver, using its
- * completion function.  The HCD has freed all per-urb resources
- * (and is done using urb->hcpriv).  It also released all HCD locks;
- * the device driver won't cause problems if it frees, modifies,
- * or resubmits this URB.
- */
-void usb_hcd_giveback_urb (struct usb_hcd *hcd, struct urb *urb)
-{
-       urb_unlink(hcd, urb);
-       usbmon_urb_complete (&hcd->self, urb);
-       usb_unanchor_urb(urb);
-
-       /* pass ownership to the completion handler */
-       urb->complete (urb);
-       atomic_dec (&urb->use_count);
-       if (unlikely (urb->reject))
-               wake_up (&usb_kill_urb_queue);
-       usb_put_urb (urb);
-}
-EXPORT_SYMBOL (usb_hcd_giveback_urb);
-
-/*-------------------------------------------------------------------------*/
-
-/**
  * 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