xhci: Rename variables related to transfer descritpors
urb_priv structure has a count on how many TDs the
URB contains, and how many of those TD's we have handled.
rename:
length -> num_tds
td_cnt -> num_tds_done
No functional changes
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 40b1486..bee6272 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -1379,8 +1379,8 @@
buffer++;
}
- urb_priv->length = num_tds;
- urb_priv->td_cnt = 0;
+ urb_priv->num_tds = num_tds;
+ urb_priv->num_tds_done = 0;
urb->hcpriv = urb_priv;
trace_xhci_urb_enqueue(urb);
@@ -1523,8 +1523,8 @@
xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
"HW died, freeing TD.");
urb_priv = urb->hcpriv;
- for (i = urb_priv->td_cnt;
- i < urb_priv->length && xhci->devs[urb->dev->slot_id];
+ for (i = urb_priv->num_tds_done;
+ i < urb_priv->num_tds && xhci->devs[urb->dev->slot_id];
i++) {
td = urb_priv->td[i];
if (!list_empty(&td->td_list))
@@ -1549,8 +1549,8 @@
}
urb_priv = urb->hcpriv;
- i = urb_priv->td_cnt;
- if (i < urb_priv->length)
+ i = urb_priv->num_tds_done;
+ if (i < urb_priv->num_tds)
xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
"Cancel URB %p, dev %s, ep 0x%x, "
"starting at offset 0x%llx",
@@ -1560,7 +1560,7 @@
urb_priv->td[i]->start_seg,
urb_priv->td[i]->first_trb));
- for (; i < urb_priv->length; i++) {
+ for (; i < urb_priv->num_tds; i++) {
td = urb_priv->td[i];
list_add_tail(&td->cancelled_td_list, &ep->cancelled_td_list);
}