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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-01-18 17:17:17 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-01-18 17:17:17 (GMT)
commitcbf50a4125f5242dd70b1f2342dbba2d94c6d94e (patch)
treea97a067e53f32e246034fbbb07e2c0894c279391 /drivers/usb/core
parent7a8ea7ebe4cf698918e7d3c860587e815eaa0f28 (diff)
parent7d1f9aeff1ee4a20b1aeb377dd0f579fe9647619 (diff)
downloadlinux-fsl-qoriq-cbf50a4125f5242dd70b1f2342dbba2d94c6d94e.tar.xz
Merge 3.8-rc4 into usb-next
This pulls in all of the -rc4 fixes into usb-next to sync things up. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/core')
-rw-r--r--drivers/usb/core/hub.c10
-rw-r--r--drivers/usb/core/quirks.c3
2 files changed, 11 insertions, 2 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 0ef512a..dc6ebd1 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -3013,7 +3013,7 @@ int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
static int finish_port_resume(struct usb_device *udev)
{
int status = 0;
- u16 devstatus;
+ u16 devstatus = 0;
/* caller owns the udev device lock */
dev_dbg(&udev->dev, "%s\n",
@@ -3058,7 +3058,13 @@ static int finish_port_resume(struct usb_device *udev)
if (status) {
dev_dbg(&udev->dev, "gone after usb resume? status %d\n",
status);
- } else if (udev->actconfig) {
+ /*
+ * There are a few quirky devices which violate the standard
+ * by claiming to have remote wakeup enabled after a reset,
+ * which crash if the feature is cleared, hence check for
+ * udev->reset_resume
+ */
+ } else if (udev->actconfig && !udev->reset_resume) {
le16_to_cpus(&devstatus);
if (devstatus & (1 << USB_DEVICE_REMOTE_WAKEUP)) {
status = usb_control_msg(udev,
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index fdefd9c..3113c1d 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -43,6 +43,9 @@ static const struct usb_device_id usb_quirk_list[] = {
/* Creative SB Audigy 2 NX */
{ USB_DEVICE(0x041e, 0x3020), .driver_info = USB_QUIRK_RESET_RESUME },
+ /* Microsoft LifeCam-VX700 v2.0 */
+ { USB_DEVICE(0x045e, 0x0770), .driver_info = USB_QUIRK_RESET_RESUME },
+
/* Logitech Quickcam Fusion */
{ USB_DEVICE(0x046d, 0x08c1), .driver_info = USB_QUIRK_RESET_RESUME },