diff options
Diffstat (limited to 'drivers/usb/core/hub.c')
| -rw-r--r-- | drivers/usb/core/hub.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index a880516020f3..5ce839137ad6 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -860,6 +860,7 @@ static int hub_post_reset(struct usb_interface *intf) static int hub_configure(struct usb_hub *hub, struct usb_endpoint_descriptor *endpoint) { + struct usb_hcd *hcd; struct usb_device *hdev = hub->hdev; struct device *hub_dev = hub->intfdev; u16 hubstatus, hubchange; @@ -1061,6 +1062,19 @@ static int hub_configure(struct usb_hub *hub, dev_dbg(hub_dev, "%umA bus power budget for each child\n", hub->mA_per_port); + /* Update the HCD's internal representation of this hub before khubd + * starts getting port status changes for devices under the hub. + */ + hcd = bus_to_hcd(hdev->bus); + if (hcd->driver->update_hub_device) { + ret = hcd->driver->update_hub_device(hcd, hdev, + &hub->tt, GFP_KERNEL); + if (ret < 0) { + message = "can't update HCD hub info"; + goto fail; + } + } + ret = hub_hub_status(hub, &hubstatus, &hubchange); if (ret < 0) { message = "can't get hub status"; |