summaryrefslogtreecommitdiffstats
path: root/drivers/usb/serial/omninet.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/serial/omninet.c')
-rw-r--r--drivers/usb/serial/omninet.c47
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);
OpenPOWER on IntegriCloud