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path: root/drivers/usb/serial/ftdi_sio.c
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Diffstat (limited to 'drivers/usb/serial/ftdi_sio.c')
-rw-r--r--drivers/usb/serial/ftdi_sio.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 986d7622273..b2bfea7c815 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -500,6 +500,7 @@ static struct usb_device_id id_table_combined [] = {
{ USB_DEVICE(ICOM_ID1_VID, ICOM_ID1_PID) },
{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
{ }, /* Optional parameter entry */
{ } /* Terminating entry */
};
@@ -1261,7 +1262,6 @@ static void ftdi_shutdown (struct usb_serial *serial)
static int ftdi_open (struct usb_serial_port *port, struct file *filp)
{ /* ftdi_open */
- struct termios tmp_termios;
struct usb_device *dev = port->serial->dev;
struct ftdi_private *priv = usb_get_serial_port_data(port);
unsigned long flags;
@@ -1271,8 +1271,8 @@ static int ftdi_open (struct usb_serial_port *port, struct file *filp)
dbg("%s", __FUNCTION__);
-
- port->tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
+ if (port->tty)
+ port->tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
/* No error checking for this (will get errors later anyway) */
/* See ftdi_sio.h for description of what is reset */
@@ -1286,7 +1286,8 @@ static int ftdi_open (struct usb_serial_port *port, struct file *filp)
This is same behaviour as serial.c/rs_open() - Kuba */
/* ftdi_set_termios will send usb control messages */
- ftdi_set_termios(port, &tmp_termios);
+ if (port->tty)
+ ftdi_set_termios(port, NULL);
/* FIXME: Flow control might be enabled, so it should be checked -
we have no control of defaults! */
@@ -1472,7 +1473,7 @@ static void ftdi_write_bulk_callback (struct urb *urb, struct pt_regs *regs)
return;
}
- schedule_work(&port->work);
+ usb_serial_port_softint(port);
} /* ftdi_write_bulk_callback */
@@ -1867,7 +1868,7 @@ static void ftdi_set_termios (struct usb_serial_port *port, struct termios *old_
err("%s urb failed to set baudrate", __FUNCTION__);
}
/* Ensure RTS and DTR are raised when baudrate changed from 0 */
- if ((old_termios->c_cflag & CBAUD) == B0) {
+ if (!old_termios || (old_termios->c_cflag & CBAUD) == B0) {
set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
}
}