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path: root/drivers/bluetooth/hci_serdev.c
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Diffstat (limited to 'drivers/bluetooth/hci_serdev.c')
-rw-r--r--drivers/bluetooth/hci_serdev.c32
1 files changed, 21 insertions, 11 deletions
diff --git a/drivers/bluetooth/hci_serdev.c b/drivers/bluetooth/hci_serdev.c
index e0e6461b9200..aa2543b3c286 100644
--- a/drivers/bluetooth/hci_serdev.c
+++ b/drivers/bluetooth/hci_serdev.c
@@ -101,14 +101,6 @@ static void hci_uart_write_work(struct work_struct *work)
/* ------- Interface to HCI layer ------ */
-/* Initialize device */
-static int hci_uart_open(struct hci_dev *hdev)
-{
- BT_DBG("%s %p", hdev->name, hdev);
-
- return 0;
-}
-
/* Reset device */
static int hci_uart_flush(struct hci_dev *hdev)
{
@@ -129,6 +121,17 @@ static int hci_uart_flush(struct hci_dev *hdev)
return 0;
}
+/* Initialize device */
+static int hci_uart_open(struct hci_dev *hdev)
+{
+ BT_DBG("%s %p", hdev->name, hdev);
+
+ /* Undo clearing this from hci_uart_close() */
+ hdev->flush = hci_uart_flush;
+
+ return 0;
+}
+
/* Close device */
static int hci_uart_close(struct hci_dev *hdev)
{
@@ -204,9 +207,8 @@ static int hci_uart_setup(struct hci_dev *hdev)
return 0;
}
- if (skb->len != sizeof(*ver)) {
+ if (skb->len != sizeof(*ver))
bt_dev_err(hdev, "Event length mismatch for version info");
- }
kfree_skb(skb);
return 0;
@@ -282,10 +284,14 @@ int hci_uart_register_device(struct hci_uart *hu,
serdev_device_set_client_ops(hu->serdev, &hci_serdev_client_ops);
- err = p->open(hu);
+ err = serdev_device_open(hu->serdev);
if (err)
return err;
+ err = p->open(hu);
+ if (err)
+ goto err_open;
+
hu->proto = p;
set_bit(HCI_UART_PROTO_READY, &hu->flags);
@@ -302,6 +308,7 @@ int hci_uart_register_device(struct hci_uart *hu,
hdev->bus = HCI_UART;
hci_set_drvdata(hdev, hu);
+ INIT_WORK(&hu->init_ready, hci_uart_init_work);
INIT_WORK(&hu->write_work, hci_uart_write_work);
percpu_init_rwsem(&hu->proto_lock);
@@ -351,6 +358,8 @@ err_register:
err_alloc:
clear_bit(HCI_UART_PROTO_READY, &hu->flags);
p->close(hu);
+err_open:
+ serdev_device_close(hu->serdev);
return err;
}
EXPORT_SYMBOL_GPL(hci_uart_register_device);
@@ -365,5 +374,6 @@ void hci_uart_unregister_device(struct hci_uart *hu)
cancel_work_sync(&hu->write_work);
hu->proto->close(hu);
+ serdev_device_close(hu->serdev);
}
EXPORT_SYMBOL_GPL(hci_uart_unregister_device);