diff options
Diffstat (limited to 'drivers/bluetooth/btwilink.c')
| -rw-r--r-- | drivers/bluetooth/btwilink.c | 68 |
1 files changed, 18 insertions, 50 deletions
diff --git a/drivers/bluetooth/btwilink.c b/drivers/bluetooth/btwilink.c index 65d27aff553..f038dba19e3 100644 --- a/drivers/bluetooth/btwilink.c +++ b/drivers/bluetooth/btwilink.c @@ -29,6 +29,7 @@ #include <net/bluetooth/hci.h> #include <linux/ti_wilink_st.h> +#include <linux/module.h> /* Bluetooth Driver Version */ #define VERSION "1.0" @@ -107,10 +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; @@ -125,6 +124,13 @@ static long st_receive(void *priv_data, struct sk_buff *skb) /* protocol structure registered with shared transport */ static struct st_proto_s ti_st_proto[MAX_BT_CHNL_IDS] = { { + .chnl_id = HCI_EVENT_PKT, /* HCI Events */ + .hdr_len = sizeof(struct hci_event_hdr), + .offset_len_in_hdr = offsetof(struct hci_event_hdr, plen), + .len_size = 1, /* sizeof(plen) in struct hci_event_hdr */ + .reserve = 8, + }, + { .chnl_id = HCI_ACLDATA_PKT, /* ACL */ .hdr_len = sizeof(struct hci_acl_hdr), .offset_len_in_hdr = offsetof(struct hci_acl_hdr, dlen), @@ -138,13 +144,6 @@ static struct st_proto_s ti_st_proto[MAX_BT_CHNL_IDS] = { .len_size = 1, /* sizeof(dlen) in struct hci_sco_hdr */ .reserve = 8, }, - { - .chnl_id = HCI_EVENT_PKT, /* HCI Events */ - .hdr_len = sizeof(struct hci_event_hdr), - .offset_len_in_hdr = offsetof(struct hci_event_hdr, plen), - .len_size = 1, /* sizeof(plen) in struct hci_event_hdr */ - .reserve = 8, - }, }; /* Called from HCI core to initialize the device */ @@ -160,7 +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; @@ -235,12 +234,12 @@ 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; - for (i = 0; i < MAX_BT_CHNL_IDS; i++) { + for (i = MAX_BT_CHNL_IDS-1; i >= 0; i--) { err = st_unregister(&ti_st_proto[i]); if (err) BT_ERR("st_unregister(%d) failed with error %d", @@ -252,18 +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); @@ -290,47 +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; } @@ -356,7 +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; @@ -371,21 +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 ------ */ |