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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-03-12 11:40:15 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-03-12 11:40:15 -0700
commit192c028b6ac972df25fd624f94a94d038fbdb66c (patch)
tree4dd9d13ffd239e4d7c61401f892989742c671fa8 /drivers/usb/host
parentea1990c3796e7550e6f240983f2d1b8e5ecf3891 (diff)
parentfa389e220254c69ffae0d403eac4146171062d08 (diff)
downloadop-kernel-dev-192c028b6ac972df25fd624f94a94d038fbdb66c.zip
op-kernel-dev-192c028b6ac972df25fd624f94a94d038fbdb66c.tar.gz
Merge 3.14-rc6 into usb-next
We want the USB fixes in here as well.
Diffstat (limited to 'drivers/usb/host')
-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 652be21..8fe4e12 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)
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