1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 011458f4d9ce..ac5c662368ed 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1740,6 +1740,15 @@ int xhci_queue_configure_endpoint(struct xhci_hcd *xhci, dma_addr_t in_ctx_ptr,
                         TRB_TYPE(TRB_CONFIG_EP) | SLOT_ID_FOR_TRB(slot_id));
 }
 
+/* Queue an evaluate context command TRB */
+int xhci_queue_evaluate_context(struct xhci_hcd *xhci, dma_addr_t in_ctx_ptr,
+                u32 slot_id)
+{
+        return queue_command(xhci, lower_32_bits(in_ctx_ptr),
+                        upper_32_bits(in_ctx_ptr), 0,
+                        TRB_TYPE(TRB_EVAL_CONTEXT) | SLOT_ID_FOR_TRB(slot_id));
+}
+
 int xhci_queue_stop_endpoint(struct xhci_hcd *xhci, int slot_id,
                 unsigned int ep_index)
 {