[PATCH 05/10] Bluetooth: hci_serdev: do not open device in hci open

[Sebastian Reichel]

The device driver may need to communicate with the UART
device while the Bluetooth device is closed (e.g. due
to interrupts).

Signed-off-by: Sebastian Reichel <s...@kernel.org>
---
 drivers/bluetooth/hci_serdev.c | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/bluetooth/hci_serdev.c b/drivers/bluetooth/hci_serdev.c
index b2f7293a3162..b396d13a7b50 100644
--- a/drivers/bluetooth/hci_serdev.c
+++ b/drivers/bluetooth/hci_serdev.c
@@ -111,13 +111,9 @@ static void hci_uart_write_work(struct work_struct *work)
 /* Initialize device */
 static int hci_uart_open(struct hci_dev *hdev)
 {
-       struct hci_uart *hu  = hci_get_drvdata(hdev);
-
        BT_DBG("%s %p", hdev->name, hdev);
 
-       serdev_device_set_client_ops(hu->serdev, &hci_serdev_client_ops);
-
-       return serdev_device_open(hu->serdev);
+       return 0;
 }
 
 /* Reset device */
@@ -143,15 +139,11 @@ static int hci_uart_flush(struct hci_dev *hdev)
 /* Close device */
 static int hci_uart_close(struct hci_dev *hdev)
 {
-       struct hci_uart *hu  = hci_get_drvdata(hdev);
-
        BT_DBG("hdev %p", hdev);
 
        hci_uart_flush(hdev);
        hdev->flush = NULL;
 
-       serdev_device_close(hu->serdev);
-
        return 0;
 }
 
@@ -298,6 +290,8 @@ int hci_uart_register_device(struct hci_uart *hu, const 
struct hci_uart_proto *p
 
        BT_DBG("");
 
+       serdev_device_set_client_ops(hu->serdev, &hci_serdev_client_ops);
+
        err = p->open(hu);
        if (err)
                return err;
@@ -366,5 +360,6 @@ int hci_uart_register_device(struct hci_uart *hu, const 
struct hci_uart_proto *p
 err_alloc:
        clear_bit(HCI_UART_PROTO_READY, &hu->flags);
        p->close(hu);
+
        return err;
 }
-- 
2.11.0