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authorJosé Pekkarinen <jose.pekkarinen@nokia.com>2015-10-09 08:42:44 +0300
committerJosé Pekkarinen <jose.pekkarinen@nokia.com>2015-10-09 08:52:35 +0300
commitfdb8b20906f3546ba6c2f9f0686d8a5189516ba3 (patch)
tree6bb43dc8a42d6e9403763bc749f706939dd2bc60 /kernel/drivers/usb/core/hcd.c
parentcc84a1f21026270463b580f2564f9d71912b20db (diff)
Kernel bump from 4.1.3-rt to 4.1.7-rt.
These changes brings a vanilla kernel from kernel.org, and the patch applied for rt is patch-4.1.7-rt8.patch. No further changes needed. Change-Id: Id8dd03c2ddd971e4d1d69b905f3069737053b700 Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'kernel/drivers/usb/core/hcd.c')
-rw-r--r--kernel/drivers/usb/core/hcd.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/kernel/drivers/usb/core/hcd.c b/kernel/drivers/usb/core/hcd.c
index 69398f933..ab14f8471 100644
--- a/kernel/drivers/usb/core/hcd.c
+++ b/kernel/drivers/usb/core/hcd.c
@@ -1022,9 +1022,12 @@ static int register_root_hub(struct usb_hcd *hcd)
dev_name(&usb_dev->dev), retval);
return (retval < 0) ? retval : -EMSGSIZE;
}
- if (usb_dev->speed == USB_SPEED_SUPER) {
+
+ if (le16_to_cpu(usb_dev->descriptor.bcdUSB) >= 0x0201) {
retval = usb_get_bos_descriptor(usb_dev);
- if (retval < 0) {
+ if (!retval) {
+ usb_dev->lpm_capable = usb_device_supports_lpm(usb_dev);
+ } else if (usb_dev->speed == USB_SPEED_SUPER) {
mutex_unlock(&usb_bus_list_lock);
dev_dbg(parent_dev, "can't read %s bos descriptor %d\n",
dev_name(&usb_dev->dev), retval);