* We don't provide read/write/poll interface for user space.
*/
static ssize_t hci_uart_tty_read(struct tty_struct *tty, struct file *file,
- unsigned char __user *buf, size_t nr)
+ unsigned char *buf, size_t nr,
+ void **cookie, unsigned long offset)
{
return 0;
}
return 0;
}
+static struct tty_ldisc_ops hci_uart_ldisc = {
+ .owner = THIS_MODULE,
+ .magic = TTY_LDISC_MAGIC,
+ .name = "n_hci",
+ .open = hci_uart_tty_open,
+ .close = hci_uart_tty_close,
+ .read = hci_uart_tty_read,
+ .write = hci_uart_tty_write,
+ .ioctl = hci_uart_tty_ioctl,
+ .compat_ioctl = hci_uart_tty_ioctl,
+ .poll = hci_uart_tty_poll,
+ .receive_buf = hci_uart_tty_receive,
+ .write_wakeup = hci_uart_tty_wakeup,
+};
+
static int __init hci_uart_init(void)
{
- static struct tty_ldisc_ops hci_uart_ldisc;
int err;
BT_INFO("HCI UART driver ver %s", VERSION);
/* Register the tty discipline */
-
- memset(&hci_uart_ldisc, 0, sizeof(hci_uart_ldisc));
- hci_uart_ldisc.magic = TTY_LDISC_MAGIC;
- hci_uart_ldisc.name = "n_hci";
- hci_uart_ldisc.open = hci_uart_tty_open;
- hci_uart_ldisc.close = hci_uart_tty_close;
- hci_uart_ldisc.read = hci_uart_tty_read;
- hci_uart_ldisc.write = hci_uart_tty_write;
- hci_uart_ldisc.ioctl = hci_uart_tty_ioctl;
- hci_uart_ldisc.compat_ioctl = hci_uart_tty_ioctl;
- hci_uart_ldisc.poll = hci_uart_tty_poll;
- hci_uart_ldisc.receive_buf = hci_uart_tty_receive;
- hci_uart_ldisc.write_wakeup = hci_uart_tty_wakeup;
- hci_uart_ldisc.owner = THIS_MODULE;
-
err = tty_register_ldisc(N_HCI, &hci_uart_ldisc);
if (err) {
BT_ERR("HCI line discipline registration failed. (%d)", err);