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authorDavid S. Miller <davem@davemloft.net>2014-03-14 22:31:55 -0400
committerDavid S. Miller <davem@davemloft.net>2014-03-14 22:31:55 -0400
commit85dcce7a73f1cc59f7a96fe52713b1630f4ca272 (patch)
tree6c645923eb2f0152073b90685ce80e46cfb7afed /drivers/usb/host/xhci.c
parent4c4e4113db249c828fffb286bc95ffb255e081f5 (diff)
parenta4ecdf82f8ea49f7d3a072121dcbd0bf3a7cb93a (diff)
downloadlinux-85dcce7a73f1cc59f7a96fe52713b1630f4ca272.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/usb/r8152.c drivers/net/xen-netback/netback.c Both the r8152 and netback conflicts were simple overlapping changes. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/usb/host/xhci.c')
-rw-r--r--drivers/usb/host/xhci.c14
1 files changed, 3 insertions, 11 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 6fe577d46fa2..924a6ccdb622 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -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)