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path: root/drivers/bluetooth/btwilink.c
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Diffstat (limited to 'drivers/bluetooth/btwilink.c')
-rw-r--r--drivers/bluetooth/btwilink.c51
1 files changed, 9 insertions, 42 deletions
diff --git a/drivers/bluetooth/btwilink.c b/drivers/bluetooth/btwilink.c
index b5f83b44a0c..f038dba19e3 100644
--- a/drivers/bluetooth/btwilink.c
+++ b/drivers/bluetooth/btwilink.c
@@ -108,10 +108,8 @@ static long st_receive(void *priv_data, struct sk_buff *skb)
return -EFAULT;
}
- skb->dev = (void *) lhst->hdev;
-
/* Forward skb to HCI core layer */
- err = hci_recv_frame(skb);
+ err = hci_recv_frame(lhst->hdev, skb);
if (err < 0) {
BT_ERR("Unable to push skb to HCI core(%d)", err);
return err;
@@ -161,7 +159,7 @@ static int ti_st_open(struct hci_dev *hdev)
return -EBUSY;
/* provide contexts for callbacks from ST */
- hst = hdev->driver_data;
+ hst = hci_get_drvdata(hdev);
for (i = 0; i < MAX_BT_CHNL_IDS; i++) {
ti_st_proto[i].priv_data = hst;
@@ -236,7 +234,7 @@ done:
static int ti_st_close(struct hci_dev *hdev)
{
int err, i;
- struct ti_st *hst = hdev->driver_data;
+ struct ti_st *hst = hci_get_drvdata(hdev);
if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
return 0;
@@ -253,18 +251,15 @@ static int ti_st_close(struct hci_dev *hdev)
return err;
}
-static int ti_st_send_frame(struct sk_buff *skb)
+static int ti_st_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
{
- struct hci_dev *hdev;
struct ti_st *hst;
long len;
- hdev = (struct hci_dev *)skb->dev;
-
if (!test_bit(HCI_RUNNING, &hdev->flags))
return -EBUSY;
- hst = hdev->driver_data;
+ hst = hci_get_drvdata(hdev);
/* Prepend skb with frame type */
memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
@@ -291,47 +286,34 @@ static int ti_st_send_frame(struct sk_buff *skb)
return 0;
}
-static void ti_st_destruct(struct hci_dev *hdev)
-{
- BT_DBG("%s", hdev->name);
- /* do nothing here, since platform remove
- * would free the hdev->driver_data
- */
-}
-
static int bt_ti_probe(struct platform_device *pdev)
{
static struct ti_st *hst;
struct hci_dev *hdev;
int err;
- hst = kzalloc(sizeof(struct ti_st), GFP_KERNEL);
+ hst = devm_kzalloc(&pdev->dev, sizeof(struct ti_st), GFP_KERNEL);
if (!hst)
return -ENOMEM;
/* Expose "hciX" device to user space */
hdev = hci_alloc_dev();
- if (!hdev) {
- kfree(hst);
+ if (!hdev)
return -ENOMEM;
- }
BT_DBG("hdev %p", hdev);
hst->hdev = hdev;
hdev->bus = HCI_UART;
- hdev->driver_data = hst;
+ hci_set_drvdata(hdev, hst);
hdev->open = ti_st_open;
hdev->close = ti_st_close;
hdev->flush = NULL;
hdev->send = ti_st_send_frame;
- hdev->destruct = ti_st_destruct;
- hdev->owner = THIS_MODULE;
err = hci_register_dev(hdev);
if (err < 0) {
BT_ERR("Can't register HCI device error %d", err);
- kfree(hst);
hci_free_dev(hdev);
return err;
}
@@ -357,7 +339,6 @@ static int bt_ti_remove(struct platform_device *pdev)
hci_unregister_dev(hdev);
hci_free_dev(hdev);
- kfree(hst);
dev_set_drvdata(&pdev->dev, NULL);
return 0;
@@ -372,21 +353,7 @@ static struct platform_driver btwilink_driver = {
},
};
-/* ------- Module Init/Exit interfaces ------ */
-static int __init btwilink_init(void)
-{
- BT_INFO("Bluetooth Driver for TI WiLink - Version %s", VERSION);
-
- return platform_driver_register(&btwilink_driver);
-}
-
-static void __exit btwilink_exit(void)
-{
- platform_driver_unregister(&btwilink_driver);
-}
-
-module_init(btwilink_init);
-module_exit(btwilink_exit);
+module_platform_driver(btwilink_driver);
/* ------ Module Info ------ */