Merge 3.14-rc6 into usb-next

We want the USB fixes in here as well.

1 files changed, 3 insertions, 11 deletions

diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 652be2138b4b..8fe4e124ddd4 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -4762,6 +4762,9 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks)
         /* Accept arbitrarily long scatter-gather lists */
         hcd->self.sg_tablesize = ~0;
 
+        /* support to build packet from discontinuous buffers */
+        hcd->self.no_sg_constraint = 1;
+
         /* XHCI controllers don't stop the ep queue on short packets :| */
         hcd->self.no_stop_on_short = 1;
 
@@ -4786,14 +4789,6 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks)
                 /* xHCI private pointer was set in xhci_pci_probe for the second
                  * registered roothub.
                  */
-                xhci = hcd_to_xhci(hcd);
-                /*
-                 * Support arbitrarily aligned sg-list entries on hosts without
-                 * TD fragment rules (which are currently unsupported).
-                 */
-                if (xhci->hci_version < 0x100)
-                        hcd->self.no_sg_constraint = 1;
-
                 return 0;
         }
 
@@ -4822,9 +4817,6 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks)
         if (xhci->hci_version > 0x96)
                 xhci->quirks |= XHCI_SPURIOUS_SUCCESS;
 
-        if (xhci->hci_version < 0x100)
-                hcd->self.no_sg_constraint = 1;
-
         /* Make sure the HC is halted. */
         retval = xhci_halt(xhci);
         if (retval)