diff options
| -rw-r--r-- | drivers/usb/core/hcd.c | 3 | ||||
| -rw-r--r-- | drivers/usb/core/hub.c | 6 | ||||
| -rw-r--r-- | include/linux/usb/hcd.h | 2 |
3 files changed, 10 insertions, 1 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 3df80c73b74a..ac0eb0939ecf 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -2990,6 +2990,9 @@ void usb_remove_hcd(struct usb_hcd *hcd) cancel_work_sync(&hcd->wakeup_work); #endif + /* handle any pending hub events before XHCI stops */ + usb_flush_hub_wq(); + mutex_lock(&usb_bus_list_lock); usb_disconnect(&rhdev); /* Sets rhdev to NULL */ mutex_unlock(&usb_bus_list_lock); diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 84df093639ac..269c1ee2da44 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -610,6 +610,12 @@ void usb_kick_hub_wq(struct usb_device *hdev) kick_hub_wq(hub); } +void usb_flush_hub_wq(void) +{ + flush_workqueue(hub_wq); +} +EXPORT_SYMBOL(usb_flush_hub_wq); + /* * Let the USB core know that a USB 3.0 device has sent a Function Wake Device * Notification, which indicates it had initiated remote wakeup. diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index 3740366d9fc5..cef429cf3dce 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -502,7 +502,7 @@ extern void usb_hc_died(struct usb_hcd *hcd); extern void usb_hcd_poll_rh_status(struct usb_hcd *hcd); extern void usb_wakeup_notification(struct usb_device *hdev, unsigned int portnum); - +extern void usb_flush_hub_wq(void); extern void usb_hcd_start_port_resume(struct usb_bus *bus, int portnum); extern void usb_hcd_end_port_resume(struct usb_bus *bus, int portnum); |