]> Pileus Git - ~andy/linux/blobdiff - drivers/usb/host/xhci.c
Merge branch 'nfsd-next' of git://linux-nfs.org/~bfields/linux
[~andy/linux] / drivers / usb / host / xhci.c
index 6fe577d46fa2d392e586d608efc3805666ac452c..924a6ccdb622777a6fc71b21dfb6a0ee0792f536 100644 (file)
@@ -4733,6 +4733,9 @@ 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;
 
@@ -4757,14 +4760,6 @@ 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;
        }
 
@@ -4793,9 +4788,6 @@ 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)