xhci: replace 'event' with 'cmd_comp_code' in set_deq and reset_ep handlers

This patch replaces the 'event' argument of xhci_handle_cmd_set_deq() and
xhci_handle_cmd_reset_ep(), which is used to retrieve the command completion
status code, with the cmd_comp_code directly, since it is available.

Signed-off-by: Xenia Ragiadakou <burzalodowa@gmail.com>
Acked-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>

1 files changed, 8 insertions, 9 deletions

diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index b98c9852172a..e57163f952ed 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1073,7 +1073,7 @@ static void update_ring_for_set_deq_completion(struct xhci_hcd *xhci,
  * cancellations pending.
  */
 static void xhci_handle_cmd_set_deq(struct xhci_hcd *xhci, int slot_id,
-                struct xhci_event_cmd *event, union xhci_trb *trb)
+                union xhci_trb *trb, u32 cmd_comp_code)
 {
         unsigned int ep_index;
         unsigned int stream_id;
@@ -1099,11 +1099,11 @@ static void xhci_handle_cmd_set_deq(struct xhci_hcd *xhci, int slot_id,
         ep_ctx = xhci_get_ep_ctx(xhci, dev->out_ctx, ep_index);
         slot_ctx = xhci_get_slot_ctx(xhci, dev->out_ctx);
 
-        if (GET_COMP_CODE(le32_to_cpu(event->status)) != COMP_SUCCESS) {
+        if (cmd_comp_code != COMP_SUCCESS) {
                 unsigned int ep_state;
                 unsigned int slot_state;
 
-                switch (GET_COMP_CODE(le32_to_cpu(event->status))) {
+                switch (cmd_comp_code) {
                 case COMP_TRB_ERR:
                         xhci_warn(xhci, "WARN Set TR Deq Ptr cmd invalid because "
                                         "of stream ID configuration\n");
@@ -1126,7 +1126,7 @@ static void xhci_handle_cmd_set_deq(struct xhci_hcd *xhci, int slot_id,
                 default:
                         xhci_warn(xhci, "WARN Set TR Deq Ptr cmd with unknown "
                                         "completion code of %u.\n",
-                                  GET_COMP_CODE(le32_to_cpu(event->status)));
+                                  cmd_comp_code);
                         break;
                 }
                 /* OK what do we do now?  The endpoint state is hosed, and we
@@ -1164,7 +1164,7 @@ static void xhci_handle_cmd_set_deq(struct xhci_hcd *xhci, int slot_id,
 }
 
 static void xhci_handle_cmd_reset_ep(struct xhci_hcd *xhci, int slot_id,
-                struct xhci_event_cmd *event, union xhci_trb *trb)
+                union xhci_trb *trb, u32 cmd_comp_code)
 {
         unsigned int ep_index;
 
@@ -1173,8 +1173,7 @@ static void xhci_handle_cmd_reset_ep(struct xhci_hcd *xhci, int slot_id,
          * but we don't care.
          */
         xhci_dbg_trace(xhci, trace_xhci_dbg_reset_ep,
-                "Ignoring reset ep completion code of %u",
-                 GET_COMP_CODE(le32_to_cpu(event->status)));
+                "Ignoring reset ep completion code of %u", cmd_comp_code);
 
         /* HW with the reset endpoint quirk needs to have a configure endpoint
          * command complete before the endpoint can be used.  Queue that here
@@ -1576,14 +1575,14 @@ static void handle_cmd_completion(struct xhci_hcd *xhci,
         case TRB_SET_DEQ:
                 WARN_ON(slot_id != TRB_TO_SLOT_ID(
                                 le32_to_cpu(cmd_trb->generic.field[3])));
-                xhci_handle_cmd_set_deq(xhci, slot_id, event, cmd_trb);
+                xhci_handle_cmd_set_deq(xhci, slot_id, cmd_trb, cmd_comp_code);
                 break;
         case TRB_CMD_NOOP:
                 break;
         case TRB_RESET_EP:
                 WARN_ON(slot_id != TRB_TO_SLOT_ID(
                                 le32_to_cpu(cmd_trb->generic.field[3])));
-                xhci_handle_cmd_reset_ep(xhci, slot_id, event, cmd_trb);
+                xhci_handle_cmd_reset_ep(xhci, slot_id, cmd_trb, cmd_comp_code);
                 break;
         case TRB_RESET_DEV:
                 WARN_ON(slot_id != TRB_TO_SLOT_ID(