xHCI: remove redundant parameter in giveback_first_trb()

Parameter *td is not used in giveback_first_trb(). Remove it.

Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>

1 files changed, 6 insertions, 8 deletions

diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 55dc15675068..59f81b560483 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2414,7 +2414,7 @@ static void check_trb_math(struct urb *urb, int num_trbs, int running_total)
 
 static void giveback_first_trb(struct xhci_hcd *xhci, int slot_id,
                 unsigned int ep_index, unsigned int stream_id, int start_cycle,
-                struct xhci_generic_trb *start_trb, struct xhci_td *td)
+                struct xhci_generic_trb *start_trb)
 {
         /*
          * Pass all the TRBs to the hardware at once and make sure this write
@@ -2625,7 +2625,7 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
 
         check_trb_math(urb, num_trbs, running_total);
         giveback_first_trb(xhci, slot_id, ep_index, urb->stream_id,
-                        start_cycle, start_trb, td);
+                        start_cycle, start_trb);
         return 0;
 }
 
@@ -2757,7 +2757,7 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
 
         check_trb_math(urb, num_trbs, running_total);
         giveback_first_trb(xhci, slot_id, ep_index, urb->stream_id,
-                        start_cycle, start_trb, td);
+                        start_cycle, start_trb);
         return 0;
 }
 
@@ -2859,7 +2859,7 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
                         field | TRB_IOC | TRB_TYPE(TRB_STATUS) | ep_ring->cycle_state);
 
         giveback_first_trb(xhci, slot_id, ep_index, 0,
-                        start_cycle, start_trb, td);
+                        start_cycle, start_trb);
         return 0;
 }
 
@@ -3006,10 +3006,8 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
                 }
         }
 
-        wmb();
-        start_trb->field[3] |= start_cycle;
-
-        xhci_ring_ep_doorbell(xhci, slot_id, ep_index, urb->stream_id);
+        giveback_first_trb(xhci, slot_id, ep_index, urb->stream_id,
+                        start_cycle, start_trb);
         return 0;
 }