diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-03-12 11:40:15 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-03-12 11:40:15 -0700 |
| commit | 192c028b6ac972df25fd624f94a94d038fbdb66c (patch) | |
| tree | 4dd9d13ffd239e4d7c61401f892989742c671fa8 /drivers/usb | |
| parent | ea1990c3796e7550e6f240983f2d1b8e5ecf3891 (diff) | |
| parent | fa389e220254c69ffae0d403eac4146171062d08 (diff) | |
| download | linux-192c028b6ac972df25fd624f94a94d038fbdb66c.tar.bz2 | |
Merge 3.14-rc6 into usb-next
We want the USB fixes in here as well.
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/core/config.c | 4 | ||||
| -rw-r--r-- | drivers/usb/core/quirks.c | 4 | ||||
| -rw-r--r-- | drivers/usb/host/xhci.c | 14 |
3 files changed, 11 insertions, 11 deletions
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 14ba398d6def..1ab4df1de2da 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -716,6 +716,10 @@ 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 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) |