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-rw-r--r--drivers/net/usb/hso.c55
1 files changed, 31 insertions, 24 deletions
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index d345a6eec4c..7373fb6b3f8 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -362,8 +362,6 @@ static struct tty_driver *tty_drv;
static struct hso_device *serial_table[HSO_SERIAL_TTY_MINORS];
static struct hso_device *network_table[HSO_MAX_NET_DEVICES];
static spinlock_t serial_table_lock;
-static struct ktermios *hso_serial_termios[HSO_SERIAL_TTY_MINORS];
-static struct ktermios *hso_serial_termios_locked[HSO_SERIAL_TTY_MINORS];
static const s32 default_port_spec[] = {
HSO_INTF_MUX | HSO_PORT_NETWORK,
@@ -1009,23 +1007,11 @@ static void read_bulk_callback(struct urb *urb)
/* Serial driver functions */
-static void _hso_serial_set_termios(struct tty_struct *tty,
- struct ktermios *old)
+static void hso_init_termios(struct ktermios *termios)
{
- struct hso_serial *serial = get_serial_by_tty(tty);
- struct ktermios *termios;
-
- if (!serial) {
- printk(KERN_ERR "%s: no tty structures", __func__);
- return;
- }
-
- D4("port %d", serial->minor);
-
/*
* The default requirements for this device are:
*/
- termios = tty->termios;
termios->c_iflag &=
~(IGNBRK /* disable ignore break */
| BRKINT /* disable break causes interrupt */
@@ -1057,15 +1043,38 @@ static void _hso_serial_set_termios(struct tty_struct *tty,
termios->c_cflag |= CS8; /* character size 8 bits */
/* baud rate 115200 */
- tty_encode_baud_rate(tty, 115200, 115200);
+ tty_termios_encode_baud_rate(termios, 115200, 115200);
+}
+
+static void _hso_serial_set_termios(struct tty_struct *tty,
+ struct ktermios *old)
+{
+ struct hso_serial *serial = get_serial_by_tty(tty);
+ struct ktermios *termios;
+
+ if (!serial) {
+ printk(KERN_ERR "%s: no tty structures", __func__);
+ return;
+ }
+
+ D4("port %d", serial->minor);
/*
- * Force low_latency on; otherwise the pushes are scheduled;
- * this is bad as it opens up the possibility of dropping bytes
- * on the floor. We don't want to drop bytes on the floor. :)
+ * Fix up unsupported bits
*/
- tty->low_latency = 1;
- return;
+ termios = tty->termios;
+ termios->c_iflag &= ~IXON; /* disable enable XON/XOFF flow control */
+
+ termios->c_cflag &=
+ ~(CSIZE /* no size */
+ | PARENB /* disable parity bit */
+ | CBAUD /* clear current baud rate */
+ | CBAUDEX); /* clear current buad rate */
+
+ termios->c_cflag |= CS8; /* character size 8 bits */
+
+ /* baud rate 115200 */
+ tty_encode_baud_rate(tty, 115200, 115200);
}
static void hso_resubmit_rx_bulk_urb(struct hso_serial *serial, struct urb *urb)
@@ -2969,9 +2978,7 @@ static int __init hso_init(void)
tty_drv->subtype = SERIAL_TYPE_NORMAL;
tty_drv->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
tty_drv->init_termios = tty_std_termios;
- tty_drv->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
- tty_drv->termios = hso_serial_termios;
- tty_drv->termios_locked = hso_serial_termios_locked;
+ hso_init_termios(&tty_drv->init_termios);
tty_set_operations(tty_drv, &hso_serial_ops);
/* register the tty driver */