Add a new quirk HCI_QUIRK_NON_PERSISTENT_SETUP allowing that a quirk that
runs setup() after every open() and not just after the first open().

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
---
include/net/bluetooth/hci.h | 9 +++++++++
net/bluetooth/hci_core.c    | 3 ++-
2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 73e48be..d3ec5b2a8 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h

@@ -183,6 +183,15 @@ enum {

	 * during the hdev->setup vendor callback.
	 */
	HCI_QUIRK_NON_PERSISTENT_DIAG,
+
+	/* When this quirk is set, setup() would be run after every
+	 * open() and not just after the first open().
+	 *
+	 * This quirk can be set before hci_register_dev is called or
+	 * during the hdev->setup vendor callback.
+	 *
+	 */
+	HCI_QUIRK_NON_PERSISTENT_SETUP,
};

/* HCI device flags */

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index f5c21004..0111280 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c

@@ -1396,7 +1396,8 @@ static int hci_dev_do_open(struct hci_dev *hdev)

	atomic_set(&hdev->cmd_cnt, 1);
	set_bit(HCI_INIT, &hdev->flags);

-	if (hci_dev_test_flag(hdev, HCI_SETUP)) {
+	if (hci_dev_test_flag(hdev, HCI_SETUP) ||
+	    test_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks)) {
		hci_sock_dev_event(hdev, HCI_DEV_SETUP);