summaryrefslogtreecommitdiff
path: root/drivers/usb
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2014-03-15 06:31:55 +0400
committerDavid S. Miller <davem@davemloft.net>2014-03-15 06:31:55 +0400
commit85dcce7a73f1cc59f7a96fe52713b1630f4ca272 (patch)
tree6c645923eb2f0152073b90685ce80e46cfb7afed /drivers/usb
parent4c4e4113db249c828fffb286bc95ffb255e081f5 (diff)
parenta4ecdf82f8ea49f7d3a072121dcbd0bf3a7cb93a (diff)
downloadlinux-85dcce7a73f1cc59f7a96fe52713b1630f4ca272.tar.xz
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')
-rw-r--r--drivers/usb/core/config.c4
-rw-r--r--drivers/usb/core/quirks.c4
-rw-r--r--drivers/usb/host/xhci.c14
3 files changed, 11 insertions, 11 deletions
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index 8d72f0c65937..062967c90b2a 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -717,6 +717,10 @@ int usb_get_configuration(struct usb_device *dev)
result = -ENOMEM;
goto err;
}
+
+ if (dev->quirks & USB_QUIRK_DELAY_INIT)
+ msleep(100);
+
result = usb_get_descriptor(dev, USB_DT_CONFIG, cfgno,
bigbuffer, length);
if (result < 0) {
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 8f37063c0a49..739ee8e8bdfd 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -47,6 +47,10 @@ static const struct usb_device_id usb_quirk_list[] = {
/* Microsoft LifeCam-VX700 v2.0 */
{ USB_DEVICE(0x045e, 0x0770), .driver_info = USB_QUIRK_RESET_RESUME },
+ /* Logitech HD Pro Webcams C920 and C930e */
+ { USB_DEVICE(0x046d, 0x082d), .driver_info = USB_QUIRK_DELAY_INIT },
+ { USB_DEVICE(0x046d, 0x0843), .driver_info = USB_QUIRK_DELAY_INIT },
+
/* Logitech Quickcam Fusion */
{ USB_DEVICE(0x046d, 0x08c1), .driver_info = USB_QUIRK_RESET_RESUME },
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)