提交 bc83871e 编写于 作者: D David S. Miller
......@@ -457,6 +457,7 @@ int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
int hci_register_sysfs(struct hci_dev *hdev);
void hci_unregister_sysfs(struct hci_dev *hdev);
void hci_conn_init_sysfs(struct hci_conn *conn);
void hci_conn_add_sysfs(struct hci_conn *conn);
void hci_conn_del_sysfs(struct hci_conn *conn);
......
......@@ -248,6 +248,8 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst)
if (hdev->notify)
hdev->notify(hdev, HCI_NOTIFY_CONN_ADD);
hci_conn_init_sysfs(conn);
tasklet_enable(&hdev->tx_task);
return conn;
......
......@@ -9,7 +9,7 @@
struct class *bt_class = NULL;
EXPORT_SYMBOL_GPL(bt_class);
static struct workqueue_struct *bluetooth;
static struct workqueue_struct *bt_workq;
static inline char *link_typetostr(int type)
{
......@@ -89,8 +89,8 @@ static void add_conn(struct work_struct *work)
{
struct hci_conn *conn = container_of(work, struct hci_conn, work_add);
/* ensure previous add/del is complete */
flush_workqueue(bluetooth);
/* ensure previous del is complete */
flush_work(&conn->work_del);
if (device_add(&conn->dev) < 0) {
BT_ERR("Failed to register connection device");
......@@ -98,27 +98,6 @@ static void add_conn(struct work_struct *work)
}
}
void hci_conn_add_sysfs(struct hci_conn *conn)
{
struct hci_dev *hdev = conn->hdev;
BT_DBG("conn %p", conn);
conn->dev.type = &bt_link;
conn->dev.class = bt_class;
conn->dev.parent = &hdev->dev;
dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
dev_set_drvdata(&conn->dev, conn);
device_initialize(&conn->dev);
INIT_WORK(&conn->work_add, add_conn);
queue_work(bluetooth, &conn->work_add);
}
/*
* The rfcomm tty device will possibly retain even when conn
* is down, and sysfs doesn't support move zombie device,
......@@ -134,8 +113,11 @@ static void del_conn(struct work_struct *work)
struct hci_conn *conn = container_of(work, struct hci_conn, work_del);
struct hci_dev *hdev = conn->hdev;
/* ensure previous add/del is complete */
flush_workqueue(bluetooth);
/* ensure previous add is complete */
flush_work(&conn->work_add);
if (!device_is_registered(&conn->dev))
return;
while (1) {
struct device *dev;
......@@ -152,16 +134,40 @@ static void del_conn(struct work_struct *work)
hci_dev_put(hdev);
}
void hci_conn_del_sysfs(struct hci_conn *conn)
void hci_conn_init_sysfs(struct hci_conn *conn)
{
struct hci_dev *hdev = conn->hdev;
BT_DBG("conn %p", conn);
if (!device_is_registered(&conn->dev))
return;
conn->dev.type = &bt_link;
conn->dev.class = bt_class;
conn->dev.parent = &hdev->dev;
dev_set_drvdata(&conn->dev, conn);
device_initialize(&conn->dev);
INIT_WORK(&conn->work_add, add_conn);
INIT_WORK(&conn->work_del, del_conn);
}
void hci_conn_add_sysfs(struct hci_conn *conn)
{
struct hci_dev *hdev = conn->hdev;
BT_DBG("conn %p", conn);
dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
queue_work(bt_workq, &conn->work_add);
}
void hci_conn_del_sysfs(struct hci_conn *conn)
{
BT_DBG("conn %p", conn);
queue_work(bluetooth, &conn->work_del);
queue_work(bt_workq, &conn->work_del);
}
static inline char *host_typetostr(int type)
......@@ -438,13 +444,13 @@ void hci_unregister_sysfs(struct hci_dev *hdev)
int __init bt_sysfs_init(void)
{
bluetooth = create_singlethread_workqueue("bluetooth");
if (!bluetooth)
bt_workq = create_singlethread_workqueue("bluetooth");
if (!bt_workq)
return -ENOMEM;
bt_class = class_create(THIS_MODULE, "bluetooth");
if (IS_ERR(bt_class)) {
destroy_workqueue(bluetooth);
destroy_workqueue(bt_workq);
return PTR_ERR(bt_class);
}
......@@ -453,7 +459,7 @@ int __init bt_sysfs_init(void)
void bt_sysfs_cleanup(void)
{
destroy_workqueue(bluetooth);
destroy_workqueue(bt_workq);
class_destroy(bt_class);
}
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