diff options
Diffstat (limited to 'drivers/usb/serial/omninet.c')
-rw-r--r-- | drivers/usb/serial/omninet.c | 47 |
1 files changed, 21 insertions, 26 deletions
diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c index 7be40dfa3620..558a620d8868 100644 --- a/drivers/usb/serial/omninet.c +++ b/drivers/usb/serial/omninet.c @@ -36,7 +36,8 @@ static void omninet_write_bulk_callback(struct urb *urb); static int omninet_write(struct tty_struct *tty, struct usb_serial_port *port, const unsigned char *buf, int count); static int omninet_write_room(struct tty_struct *tty); -static void omninet_disconnect(struct usb_serial *serial); +static int omninet_calc_num_ports(struct usb_serial *serial, + struct usb_serial_endpoints *epds); static int omninet_port_probe(struct usb_serial_port *port); static int omninet_port_remove(struct usb_serial_port *port); @@ -54,15 +55,14 @@ static struct usb_serial_driver zyxel_omninet_device = { }, .description = "ZyXEL - omni.net lcd plus usb", .id_table = id_table, - .num_ports = 1, .num_bulk_out = 2, + .calc_num_ports = omninet_calc_num_ports, .port_probe = omninet_port_probe, .port_remove = omninet_port_remove, .write = omninet_write, .write_room = omninet_write_room, .write_bulk_callback = omninet_write_bulk_callback, .process_read_urb = omninet_process_read_urb, - .disconnect = omninet_disconnect, }; static struct usb_serial_driver * const serial_drivers[] = { @@ -103,6 +103,16 @@ struct omninet_data { __u8 od_outseq; /* Sequence number for bulk_out URBs */ }; +static int omninet_calc_num_ports(struct usb_serial *serial, + struct usb_serial_endpoints *epds) +{ + /* We need only the second bulk-out for our single-port device. */ + epds->bulk_out[0] = epds->bulk_out[1]; + epds->num_bulk_out = 1; + + return 1; +} + static int omninet_port_probe(struct usb_serial_port *port) { struct omninet_data *od; @@ -150,13 +160,9 @@ static void omninet_process_read_urb(struct urb *urb) static int omninet_write(struct tty_struct *tty, struct usb_serial_port *port, const unsigned char *buf, int count) { - struct usb_serial *serial = port->serial; - struct usb_serial_port *wport = serial->port[1]; - struct omninet_data *od = usb_get_serial_port_data(port); struct omninet_header *header = (struct omninet_header *) - wport->write_urb->transfer_buffer; - + port->write_urb->transfer_buffer; int result; if (count == 0) { @@ -171,11 +177,11 @@ static int omninet_write(struct tty_struct *tty, struct usb_serial_port *port, count = (count > OMNINET_PAYLOADSIZE) ? OMNINET_PAYLOADSIZE : count; - memcpy(wport->write_urb->transfer_buffer + OMNINET_HEADERLEN, + memcpy(port->write_urb->transfer_buffer + OMNINET_HEADERLEN, buf, count); usb_serial_debug_data(&port->dev, __func__, count, - wport->write_urb->transfer_buffer); + port->write_urb->transfer_buffer); header->oh_seq = od->od_outseq++; header->oh_len = count; @@ -183,11 +189,11 @@ static int omninet_write(struct tty_struct *tty, struct usb_serial_port *port, header->oh_pad = 0x00; /* send the data out the bulk port, always 64 bytes */ - wport->write_urb->transfer_buffer_length = OMNINET_BULKOUTSIZE; + port->write_urb->transfer_buffer_length = OMNINET_BULKOUTSIZE; - result = usb_submit_urb(wport->write_urb, GFP_ATOMIC); + result = usb_submit_urb(port->write_urb, GFP_ATOMIC); if (result) { - set_bit(0, &wport->write_urbs_free); + set_bit(0, &port->write_urbs_free); dev_err_console(port, "%s - failed submitting write urb, error %d\n", __func__, result); @@ -201,13 +207,10 @@ static int omninet_write(struct tty_struct *tty, struct usb_serial_port *port, static int omninet_write_room(struct tty_struct *tty) { struct usb_serial_port *port = tty->driver_data; - struct usb_serial *serial = port->serial; - struct usb_serial_port *wport = serial->port[1]; - int room = 0; /* Default: no room */ - if (test_bit(0, &wport->write_urbs_free)) - room = wport->bulk_out_size - OMNINET_HEADERLEN; + if (test_bit(0, &port->write_urbs_free)) + room = port->bulk_out_size - OMNINET_HEADERLEN; dev_dbg(&port->dev, "%s - returns %d\n", __func__, room); @@ -231,14 +234,6 @@ static void omninet_write_bulk_callback(struct urb *urb) usb_serial_port_softint(port); } - -static void omninet_disconnect(struct usb_serial *serial) -{ - struct usb_serial_port *wport = serial->port[1]; - - usb_kill_urb(wport->write_urb); -} - module_usb_serial_driver(serial_drivers, id_table); MODULE_AUTHOR(DRIVER_AUTHOR); |