diff options
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 3ba91580e222..307ccd40ccac 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -983,6 +983,7 @@ static void xhci_handle_cmd_stop_ep(struct xhci_hcd *xhci, int slot_id, struct xhci_ep_ctx *ep_ctx; struct xhci_td *td = NULL; enum xhci_ep_reset_type reset_type; + struct xhci_command *command; if (unlikely(TRB_TO_SUSPEND_PORT(le32_to_cpu(trb->generic.field[3])))) { if (!xhci->devs[slot_id]) @@ -1030,6 +1031,18 @@ static void xhci_handle_cmd_stop_ep(struct xhci_hcd *xhci, int slot_id, xhci_handle_halted_endpoint(xhci, ep, 0, td, reset_type); xhci_stop_watchdog_timer_in_irq(xhci, ep); return; + case EP_STATE_RUNNING: + /* Race, HW handled stop ep cmd before ep was running */ + command = xhci_alloc_command(xhci, false, GFP_ATOMIC); + if (!command) + xhci_stop_watchdog_timer_in_irq(xhci, ep); + + mod_timer(&ep->stop_cmd_timer, + jiffies + XHCI_STOP_EP_CMD_TIMEOUT * HZ); + xhci_queue_stop_endpoint(xhci, command, slot_id, ep_index, 0); + xhci_ring_cmd_db(xhci); + + return; default: break; } |