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path: root/drivers/usb/host/xhci-ring.c
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Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
-rw-r--r--drivers/usb/host/xhci-ring.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index d67ff71209f5..749fc68eb5c1 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1433,8 +1433,11 @@ static void handle_cmd_completion(struct xhci_hcd *xhci,
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(
- le32_to_cpu(cmd_trb->generic.field[3])));
+ /* SLOT_ID field in reset device cmd completion event TRB is 0.
+ * Use the SLOT_ID from the command TRB instead (xhci 4.6.11)
+ */
+ slot_id = TRB_TO_SLOT_ID(
+ le32_to_cpu(cmd_trb->generic.field[3]));
xhci_handle_cmd_reset_dev(xhci, slot_id, event);
break;
case TRB_NEC_GET_FW:
@@ -3534,7 +3537,7 @@ static unsigned int xhci_get_burst_count(struct xhci_hcd *xhci,
return 0;
max_burst = urb->ep->ss_ep_comp.bMaxBurst;
- return roundup(total_packet_count, max_burst + 1) - 1;
+ return DIV_ROUND_UP(total_packet_count, max_burst + 1) - 1;
}
/*