1 files changed, 9 insertions, 8 deletions

diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 965b539bc474..2cfc465925bd 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1423,15 +1423,17 @@ int xhci_endpoint_init(struct xhci_hcd *xhci,
         ep_ctx->ep_info2 |= cpu_to_le32(xhci_get_endpoint_type(udev, ep));
 
         /* Set the max packet size and max burst */
+        max_packet = GET_MAX_PACKET(usb_endpoint_maxp(&ep->desc));
+        max_burst = 0;
         switch (udev->speed) {
         case USB_SPEED_SUPER:
-                max_packet = usb_endpoint_maxp(&ep->desc);
-                ep_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(max_packet));
                 /* dig out max burst from ep companion desc */
-                max_packet = ep->ss_ep_comp.bMaxBurst;
-                ep_ctx->ep_info2 |= cpu_to_le32(MAX_BURST(max_packet));
+                max_burst = ep->ss_ep_comp.bMaxBurst;
                 break;
         case USB_SPEED_HIGH:
+                /* Some devices get this wrong */
+                if (usb_endpoint_xfer_bulk(&ep->desc))
+                        max_packet = 512;
                 /* bits 11:12 specify the number of additional transaction
                  * opportunities per microframe (USB 2.0, section 9.6.6)
                  */
@@ -1439,17 +1441,16 @@ int xhci_endpoint_init(struct xhci_hcd *xhci,
                                 usb_endpoint_xfer_int(&ep->desc)) {
                         max_burst = (usb_endpoint_maxp(&ep->desc)
                                      & 0x1800) >> 11;
-                        ep_ctx->ep_info2 |= cpu_to_le32(MAX_BURST(max_burst));
                 }
-                /* Fall through */
+                break;
         case USB_SPEED_FULL:
         case USB_SPEED_LOW:
-                max_packet = GET_MAX_PACKET(usb_endpoint_maxp(&ep->desc));
-                ep_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(max_packet));
                 break;
         default:
                 BUG();
         }
+        ep_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(max_packet) |
+                        MAX_BURST(max_burst));
         max_esit_payload = xhci_get_max_esit_payload(xhci, udev, ep);
         ep_ctx->tx_info = cpu_to_le32(MAX_ESIT_PAYLOAD_FOR_EP(max_esit_payload));