Bluetooth: Add shutdown callback before closing the device
This callback allows a vendor to send the vendor specific commands
before cloing the hci interface.
Signed-off-by: Tedd Ho-Jeong An <tedd.an@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 52863c3..5f1ca33 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -373,6 +373,7 @@
int (*close)(struct hci_dev *hdev);
int (*flush)(struct hci_dev *hdev);
int (*setup)(struct hci_dev *hdev);
+ int (*shutdown)(struct hci_dev *hdev);
int (*send)(struct hci_dev *hdev, struct sk_buff *skb);
void (*notify)(struct hci_dev *hdev, unsigned int evt);
void (*hw_error)(struct hci_dev *hdev, u8 code);
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 3322d3f..4135a440 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1591,6 +1591,12 @@
{
BT_DBG("%s %p", hdev->name, hdev);
+ if (!test_bit(HCI_UNREGISTER, &hdev->dev_flags)) {
+ /* Execute vendor specific shutdown routine */
+ if (hdev->shutdown)
+ hdev->shutdown(hdev);
+ }
+
cancel_delayed_work(&hdev->power_off);
hci_req_cancel(hdev, ENODEV);