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Subject[PATCHv2 03/11] Bluetooth: hci_serdev: do not open device in hci open
Date
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>
---
drivers/bluetooth/hci_serdev.c | 12 +++---------
1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/drivers/bluetooth/hci_serdev.c b/drivers/bluetooth/hci_serdev.c
index f5ccb2c7ef92..3b8ac0ece3fb 100644
--- a/drivers/bluetooth/hci_serdev.c
+++ b/drivers/bluetooth/hci_serdev.c
@@ -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;
--
2.11.0
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