6.12-stable review patch. If anyone has any objections, please let me know.
------------------
From: Chris Lu <chris.lu@xxxxxxxxxxxx>
commit cea1805f165cdd783dd21f26df957118cb8641b4 upstream.
Add disconnect callback function in btusb_disconnect which is reserved
for vendor specific usage before deregister hci in btusb_disconnect.
Signed-off-by: Chris Lu <chris.lu@xxxxxxxxxxxx>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
Cc: Fedor Pchelkin <boddah8794@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/bluetooth/btusb.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -870,6 +870,7 @@ struct btusb_data {
int (*suspend)(struct hci_dev *hdev);
int (*resume)(struct hci_dev *hdev);
+ int (*disconnect)(struct hci_dev *hdev);
int oob_wake_irq; /* irq for out-of-band wake-on-bt */
unsigned cmd_timeout_cnt;
@@ -4043,6 +4044,9 @@ static void btusb_disconnect(struct usb_
if (data->diag)
usb_set_intfdata(data->diag, NULL);
+ if (data->disconnect)
+ data->disconnect(hdev);
+
hci_unregister_dev(hdev);
if (intf == data->intf) {
