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Bluetooth: hci_serdev: do not open device in hci open 

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

Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Sebastian Reichel 2017-03-28 17:59:36 +02:00 committed by Marcel Holtmann
parent 82f5169bf3
commit 52b318e619
1 changed files with 3 additions and 9 deletions
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12
drivers/bluetooth/hci_serdev.c
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@ -104,13 +104,9 @@ 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 */
@ -136,15 +132,11 @@ 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;
}
@ -289,6 +281,8 @@ int hci_uart_register_device(struct hci_uart *hu,
BT_DBG("");
serdev_device_set_client_ops(hu->serdev, &hci_serdev_client_ops);
err = p->open(hu);
if (err)
return err;