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authorSebastian Reichel <sre@kernel.org>2017-03-28 17:59:36 +0200
committerMarcel Holtmann <marcel@holtmann.org>2017-04-12 22:12:17 +0200
commit52b318e6196169e5ff8a52371833cd5a9dba05d1 (patch)
treedfa031058c2eae6b3f24cbf95739974b6a29b666 /drivers/bluetooth
parentBluetooth: hci_uart: add serdev driver support library (diff)
downloadlinux-dev-52b318e6196169e5ff8a52371833cd5a9dba05d1.tar.xz
linux-dev-52b318e6196169e5ff8a52371833cd5a9dba05d1.zip
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>
Diffstat (limited to 'drivers/bluetooth')
-rw-r--r--drivers/bluetooth/hci_serdev.c12
1 files 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;