1 files changed, 129 insertions, 127 deletions

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index d3dc1a15ec6c..c186b4e73c72 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1,16 +1,16 @@
 /*
  * USB FTDI SIO driver
  *
- *      Copyright (C) 1999 - 2001
- *          Greg Kroah-Hartman (greg@kroah.com)
+ *      Copyright (C) 1999 - 2001
+ *          Greg Kroah-Hartman (greg@kroah.com)
  *          Bill Ryder (bryder@sgi.com)
  *      Copyright (C) 2002
  *          Kuba Ober (kuba@mareimbrium.org)
  *
- *      This program is free software; you can redistribute it and/or modify
- *      it under the terms of the GNU General Public License as published by
- *      the Free Software Foundation; either version 2 of the License, or
- *      (at your option) any later version.
+ *      This program is free software; you can redistribute it and/or modify
+ *      it under the terms of the GNU General Public License as published by
+ *      the Free Software Foundation; either version 2 of the License, or
+ *      (at your option) any later version.
  *
  * See Documentation/usb/usb-serial.txt for more information on using this driver
  *
@@ -32,7 +32,7 @@
  *      Changed full name of USB-UIRT device to avoid "/" character.
  *      Added FTDI's alternate PID (0x6006) for FT232/245 devices.
  *      Added PID for "ELV USB Module UO100" from Stefan Frings.
- * 
+ *
  * (21/Oct/2003) Ian Abbott
  *      Renamed some VID/PID macros for Matrix Orbital and Perle Systems
  *      devices.  Removed Matrix Orbital and Perle Systems devices from the
@@ -69,7 +69,7 @@
  *      does not incure any measurable overhead.  This also relies on the fact
  *      that we have proper reference counting logic for urbs.  I nicked this
  *      from Greg KH's Visor driver.
- *      
+ *
  * (23/Jun/2003) Ian Abbott
  *      Reduced flip buffer pushes and corrected a data length test in
  *      ftdi_read_bulk_callback.
@@ -77,7 +77,7 @@
  *
  * (21/Jun/2003) Erik Nygren
  *      Added support for Home Electronics Tira-1 IR transceiver using FT232BM chip.
- *      See <http://www.home-electro.com/tira1.htm>.  Only operates properly 
+ *      See <http://www.home-electro.com/tira1.htm>.  Only operates properly
  *      at 100000 and RTS-CTS, so set custom divisor mode on startup.
  *      Also force the Tira-1 and USB-UIRT to only use their custom baud rates.
  *
@@ -137,17 +137,17 @@
  * (17/Feb/2003) Bill Ryder
  *      Added write urb buffer pool on a per device basis
  *      Added more checking for open file on callbacks (fixed OOPS)
- *      Added CrystalFontz 632 and 634 PIDs 
+ *      Added CrystalFontz 632 and 634 PIDs
  *         (thanx to CrystalFontz for the sample devices - they flushed out
  *           some driver bugs)
  *      Minor debugging message changes
  *      Added throttle, unthrottle and chars_in_buffer functions
  *      Fixed FTDI_SIO (the original device) bug
  *      Fixed some shutdown handling
- *      
- * 
- * 
- * 
+ *
+ *
+ *
+ *
  * (07/Jun/2002) Kuba Ober
  *      Changed FTDI_SIO_BASE_BAUD_TO_DIVISOR macro into ftdi_baud_to_divisor
  *      function. It was getting too complex.
@@ -158,7 +158,7 @@
  *
  * (25/Jul/2002) Bill Ryder inserted Dmitri's TIOCMIWAIT patch
  *      Not tested by me but it doesn't break anything I use.
- * 
+ *
  * (04/Jan/2002) Kuba Ober
  *      Implemented 38400 baudrate kludge, where it can be substituted with other
  *        values. That's the only way to set custom baudrates.
@@ -179,7 +179,7 @@
  *        (the previous version caused panics)
  *      Removed port iteration code since the device only has one I/O port and it
  *        was wrong anyway.
- * 
+ *
  * (31/May/2001) gkh
  *      Switched from using spinlock to a semaphore, which fixes lots of problems.
  *
@@ -188,16 +188,16 @@
  *      Cleaned up comments for 8U232
  *      Added parity, framing and overrun error handling
  *      Added receive break handling.
- * 
+ *
  * (04/08/2001) gb
  *      Identify version on module load.
- *       
+ *
  * (18/March/2001) Bill Ryder
  *      (Not released)
  *      Added send break handling. (requires kernel patch too)
  *      Fixed 8U232AM hardware RTS/CTS etc status reporting.
  *      Added flipbuf fix copied from generic device
- * 
+ *
  * (12/3/2000) Bill Ryder
  *      Added support for 8U232AM device.
  *      Moved PID and VIDs into header file only.
@@ -211,14 +211,14 @@
  *      Cleaned up comments. Removed multiple PID/VID definitions.
  *      Factorised cts/dtr code
  *      Made use of __FUNCTION__ in dbg's
- *      
+ *
  * (11/01/2000) Adam J. Richter
  *      usb_device_id table support
- * 
+ *
  * (10/05/2000) gkh
  *      Fixed bug with urb->dev not being set properly, now that the usb
  *      core needs it.
- * 
+ *
  * (09/11/2000) gkh
  *      Removed DEBUG #ifdefs with call to usb_serial_debug_data
  *
@@ -226,11 +226,11 @@
  *      Added module_init and module_exit functions to handle the fact that this
  *      driver is a loadable module now.
  *
- * (04/04/2000) Bill Ryder 
+ * (04/04/2000) Bill Ryder
  *      Fixed bugs in TCGET/TCSET ioctls (by removing them - they are
  *        handled elsewhere in the tty io driver chain).
  *
- * (03/30/2000) Bill Ryder 
+ * (03/30/2000) Bill Ryder
  *      Implemented lots of ioctls
  *      Fixed a race condition in write
  *      Changed some dbg's to errs
@@ -311,6 +311,7 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) },
+        { USB_DEVICE(FTDI_VID, FTDI_DMX4ALL) },
         { USB_DEVICE(FTDI_VID, FTDI_SIO_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) },
@@ -444,13 +445,13 @@ static struct usb_device_id id_table_combined [] = {
         /* { USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) }, */
         /* { USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) }, */
         /* { USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) }, */
-        { USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
-        { USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
-        { USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
-        { USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) },
-        { USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) },
-        { USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
-        { USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
+        { USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
+        { USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
+        { USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
+        { USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) },
+        { USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) },
+        { USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
+        { USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
         { USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) },
         { USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) },
         { USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) },
@@ -511,6 +512,7 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) },
+        { USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) },
         { },                                    /* Optional parameter entry */
         { }                                     /* Terminating entry */
 };
@@ -522,7 +524,7 @@ static struct usb_driver ftdi_driver = {
         .probe =        usb_serial_probe,
         .disconnect =   usb_serial_disconnect,
         .id_table =     id_table_combined,
-        .no_dynamic_id =        1,
+        .no_dynamic_id =        1,
 };
 
 static const char *ftdi_chip_name[] = {
@@ -548,13 +550,13 @@ struct ftdi_private {
         int custom_divisor;     /* custom_divisor kludge, this is for baud_base (different from what goes to the chip!) */
         __u16 last_set_data_urb_value ;
                                 /* the last data state set - needed for doing a break */
-        int write_offset;       /* This is the offset in the usb data block to write the serial data - 
+        int write_offset;       /* This is the offset in the usb data block to write the serial data -
                                  * it is different between devices
                                  */
         int flags;              /* some ASYNC_xxxx flags are supported */
         unsigned long last_dtr_rts;     /* saved modem control outputs */
         wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */
-        char prev_status, diff_status;        /* Used for TIOCMIWAIT */
+        char prev_status, diff_status;        /* Used for TIOCMIWAIT */
         __u8 rx_flags;          /* receive state flags (throttling) */
         spinlock_t rx_lock;     /* spinlock for receive state */
         struct work_struct rx_work;
@@ -721,7 +723,7 @@ static int update_mctrl(struct usb_serial_port *port, unsigned int set, unsigned
                 urb_value |= FTDI_SIO_SET_RTS_HIGH;
         rv = usb_control_msg(port->serial->dev,
                                usb_sndctrlpipe(port->serial->dev, 0),
-                               FTDI_SIO_SET_MODEM_CTRL_REQUEST, 
+                               FTDI_SIO_SET_MODEM_CTRL_REQUEST,
                                FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
                                urb_value, priv->interface,
                                buf, 0, WDR_TIMEOUT);
@@ -768,7 +770,7 @@ static int change_speed(struct usb_serial_port *port)
         if (priv->interface) {  /* FT2232C */
                 urb_index = (__u16)((urb_index << 8) | priv->interface);
         }
-        
+
         rv = usb_control_msg(port->serial->dev,
                             usb_sndctrlpipe(port->serial->dev, 0),
                             FTDI_SIO_SET_BAUDRATE_REQUEST,
@@ -827,7 +829,7 @@ static __u32 get_ftdi_divisor(struct usb_serial_port * port)
 
         /* 3. Convert baudrate to device-specific divisor */
 
-        if (!baud) baud = 9600; 
+        if (!baud) baud = 9600;
         switch(priv->chip_type) {
         case SIO: /* SIO chip */
                 switch(baud) {
@@ -843,7 +845,7 @@ static __u32 get_ftdi_divisor(struct usb_serial_port * port)
                 case 115200: div_value = ftdi_sio_b115200; break;
                 } /* baud */
                 if (div_value == 0) {
-                        dbg("%s - Baudrate (%d) requested is not supported", __FUNCTION__,  baud);
+                        dbg("%s - Baudrate (%d) requested is not supported", __FUNCTION__,  baud);
                         div_value = ftdi_sio_b9600;
                         div_okay = 0;
                 }
@@ -925,7 +927,7 @@ static int set_serial_info(struct usb_serial_port * port, struct serial_struct _
         /* Make the changes - these are privileged changes! */
 
         priv->flags = ((priv->flags & ~ASYNC_FLAGS) |
-                       (new_serial.flags & ASYNC_FLAGS));       
+                       (new_serial.flags & ASYNC_FLAGS));
         priv->custom_divisor = new_serial.custom_divisor;
 
         port->tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
@@ -950,7 +952,7 @@ check_and_exit:
              (old_priv.custom_divisor != priv->custom_divisor))) {
                 change_speed(port);
         }
-        
+
         return (0);
 
 } /* set_serial_info */
@@ -1022,18 +1024,18 @@ static ssize_t show_latency_timer(struct device *dev, struct device_attribute *a
         struct usb_device *udev;
         unsigned short latency = 0;
         int rv = 0;
-        
+
         udev = to_usb_device(dev);
-        
+
         dbg("%s",__FUNCTION__);
-        
+
         rv = usb_control_msg(udev,
                              usb_rcvctrlpipe(udev, 0),
                              FTDI_SIO_GET_LATENCY_TIMER_REQUEST,
                              FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE,
-                             0, priv->interface, 
+                             0, priv->interface,
                              (char*) &latency, 1, WDR_TIMEOUT);
-        
+
         if (rv < 0) {
                 dev_err(dev, "Unable to read latency timer: %i", rv);
                 return -EIO;
@@ -1051,23 +1053,23 @@ static ssize_t store_latency_timer(struct device *dev, struct device_attribute *
         char buf[1];
         int v = simple_strtoul(valbuf, NULL, 10);
         int rv = 0;
-        
+
         udev = to_usb_device(dev);
-        
+
         dbg("%s: setting latency timer = %i", __FUNCTION__, v);
-        
+
         rv = usb_control_msg(udev,
                              usb_sndctrlpipe(udev, 0),
                              FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
                              FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
-                             v, priv->interface, 
+                             v, priv->interface,
                              buf, 0, WDR_TIMEOUT);
-        
+
         if (rv < 0) {
                 dev_err(dev, "Unable to write latency timer: %i", rv);
                 return -EIO;
         }
-        
+
         return count;
 }
 
@@ -1082,23 +1084,23 @@ static ssize_t store_event_char(struct device *dev, struct device_attribute *att
         char buf[1];
         int v = simple_strtoul(valbuf, NULL, 10);
         int rv = 0;
-        
+
         udev = to_usb_device(dev);
-        
+
         dbg("%s: setting event char = %i", __FUNCTION__, v);
-        
+
         rv = usb_control_msg(udev,
                              usb_sndctrlpipe(udev, 0),
                              FTDI_SIO_SET_EVENT_CHAR_REQUEST,
                              FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE,
-                             v, priv->interface, 
+                             v, priv->interface,
                              buf, 0, WDR_TIMEOUT);
-        
+
         if (rv < 0) {
                 dbg("Unable to write event character: %i", rv);
                 return -EIO;
         }
-        
+
         return count;
 }
 
@@ -1135,11 +1137,11 @@ static void remove_sysfs_attrs(struct usb_serial *serial)
         struct ftdi_private *priv;
         struct usb_device *udev;
 
-        dbg("%s",__FUNCTION__); 
+        dbg("%s",__FUNCTION__);
 
         priv = usb_get_serial_port_data(serial->port[0]);
         udev = serial->dev;
-        
+
         /* XXX see create_sysfs_attrs */
         if (priv->chip_type != SIO) {
                 device_remove_file(&udev->dev, &dev_attr_event_char);
@@ -1147,7 +1149,7 @@ static void remove_sysfs_attrs(struct usb_serial *serial)
                         device_remove_file(&udev->dev, &dev_attr_latency_timer);
                 }
         }
-        
+
 }
 
 /*
@@ -1258,7 +1260,7 @@ static void ftdi_HE_TIRA1_setup (struct usb_serial *serial)
 } /* ftdi_HE_TIRA1_setup */
 
 
-/* ftdi_shutdown is called from usbserial:usb_serial_disconnect 
+/* ftdi_shutdown is called from usbserial:usb_serial_disconnect
  *   it is called when the usb device is disconnected
  *
  *   usbserial:usb_serial_disconnect
@@ -1269,16 +1271,16 @@ static void ftdi_HE_TIRA1_setup (struct usb_serial *serial)
 
 static void ftdi_shutdown (struct usb_serial *serial)
 { /* ftdi_shutdown */
-        
+
         struct usb_serial_port *port = serial->port[0];
         struct ftdi_private *priv = usb_get_serial_port_data(port);
 
         dbg("%s", __FUNCTION__);
 
         remove_sysfs_attrs(serial);
-        
-        /* all open ports are closed at this point 
-         *    (by usbserial.c:__serial_close, which calls ftdi_close)  
+
+        /* all open ports are closed at this point
+         *    (by usbserial.c:__serial_close, which calls ftdi_close)
          */
 
         if (priv) {
@@ -1293,7 +1295,7 @@ static int  ftdi_open (struct usb_serial_port *port, struct file *filp)
         struct usb_device *dev = port->serial->dev;
         struct ftdi_private *priv = usb_get_serial_port_data(port);
         unsigned long flags;
-        
+
         int result = 0;
         char buf[1]; /* Needed for the usb_control_msg I think */
 
@@ -1312,8 +1314,8 @@ static int  ftdi_open (struct usb_serial_port *port, struct file *filp)
         /* No error checking for this (will get errors later anyway) */
         /* See ftdi_sio.h for description of what is reset */
         usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
-                        FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE, 
-                        FTDI_SIO_RESET_SIO, 
+                        FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE,
+                        FTDI_SIO_RESET_SIO,
                         priv->interface, buf, 0, WDR_TIMEOUT);
 
         /* Termios defaults are set by usb_serial_init. We don't change
@@ -1350,12 +1352,12 @@ static int  ftdi_open (struct usb_serial_port *port, struct file *filp)
 
 
 
-/* 
+/*
  * usbserial:__serial_close  only calls ftdi_close if the point is open
  *
  *   This only gets called when it is the last close
- *   
- *   
+ *
+ *
  */
 
 static void ftdi_close (struct usb_serial_port *port, struct file *filp)
@@ -1368,14 +1370,14 @@ static void ftdi_close (struct usb_serial_port *port, struct file *filp)
 
         if (c_cflag & HUPCL){
                 /* Disable flow control */
-                if (usb_control_msg(port->serial->dev, 
+                if (usb_control_msg(port->serial->dev,
                                     usb_sndctrlpipe(port->serial->dev, 0),
                                     FTDI_SIO_SET_FLOW_CTRL_REQUEST,
                                     FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
                                     0, priv->interface, buf, 0,
                                     WDR_TIMEOUT) < 0) {
                         err("error from flowcontrol urb");
-                }           
+                }
 
                 /* drop RTS and DTR */
                 clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
@@ -1384,14 +1386,14 @@ static void ftdi_close (struct usb_serial_port *port, struct file *filp)
         /* cancel any scheduled reading */
         cancel_delayed_work(&priv->rx_work);
         flush_scheduled_work();
-        
+
         /* shutdown our bulk read */
         if (port->read_urb)
                 usb_kill_urb(port->read_urb);
 } /* ftdi_close */
 
 
-  
+
 /* The SIO requires the first byte to have:
  *  B0 1
  *  B1 0
@@ -1423,7 +1425,7 @@ static int ftdi_write (struct usb_serial_port *port,
                 return 0;
         }
         spin_unlock_irqrestore(&priv->tx_lock, flags);
-        
+
         data_offset = priv->write_offset;
         dbg("data_offset set to %d",data_offset);
 
@@ -1462,7 +1464,7 @@ static int ftdi_write (struct usb_serial_port *port,
                                 user_pktsz = todo;
                         }
                         /* Write the control byte at the front of the packet*/
-                        *first_byte = 1 | ((user_pktsz) << 2); 
+                        *first_byte = 1 | ((user_pktsz) << 2);
                         /* Copy data for packet */
                         memcpy (first_byte + data_offset,
                                 current_position, user_pktsz);
@@ -1479,7 +1481,7 @@ static int ftdi_write (struct usb_serial_port *port,
         usb_serial_debug_data(debug, &port->dev, __FUNCTION__, transfer_size, buffer);
 
         /* fill the buffer and send it */
-        usb_fill_bulk_urb(urb, port->serial->dev, 
+        usb_fill_bulk_urb(urb, port->serial->dev,
                       usb_sndbulkpipe(port->serial->dev, port->bulk_out_endpointAddress),
                       buffer, transfer_size,
                       ftdi_write_bulk_callback, port);
@@ -1520,7 +1522,7 @@ static void ftdi_write_bulk_callback (struct urb *urb)
         kfree (urb->transfer_buffer);
 
         dbg("%s - port %d", __FUNCTION__, port->number);
-        
+
         if (urb->status) {
                 dbg("nonzero write bulk status received: %d", urb->status);
                 return;
@@ -1651,7 +1653,7 @@ static void ftdi_process_read (void *param)
         struct tty_struct *tty;
         struct ftdi_private *priv;
         char error_flag;
-        unsigned char *data;
+        unsigned char *data;
 
         int i;
         int result;
@@ -1759,7 +1761,7 @@ static void ftdi_process_read (void *param)
                 }
                 if (length > 0) {
                         for (i = 2; i < length+2; i++) {
-                                /* Note that the error flag is duplicated for 
+                                /* Note that the error flag is duplicated for
                                    every character received since we don't know
                                    which character it applied to */
                                 tty_insert_flip_char(tty, data[packet_offset+i], error_flag);
@@ -1773,7 +1775,7 @@ static void ftdi_process_read (void *param)
                    This doesn't work well since the application receives a never
                    ending stream of bad data - even though new data hasn't been sent.
                    Therefore I (bill) have taken this out.
-                   However - this might make sense for framing errors and so on 
+                   However - this might make sense for framing errors and so on
                    so I am leaving the code in for now.
                 */
                 else {
@@ -1827,7 +1829,7 @@ static void ftdi_process_read (void *param)
         /* if the port is closed stop trying to read */
         if (port->open_count > 0){
                 /* Continue trying to always read  */
-                usb_fill_bulk_urb(port->read_urb, port->serial->dev, 
+                usb_fill_bulk_urb(port->read_urb, port->serial->dev,
                               usb_rcvbulkpipe(port->serial->dev, port->bulk_in_endpointAddress),
                               port->read_urb->transfer_buffer, port->read_urb->transfer_buffer_length,
                               ftdi_read_bulk_callback, port);
@@ -1844,9 +1846,9 @@ static void ftdi_process_read (void *param)
 static void ftdi_break_ctl( struct usb_serial_port *port, int break_state )
 {
         struct ftdi_private *priv = usb_get_serial_port_data(port);
-        __u16 urb_value = 0; 
+        __u16 urb_value = 0;
         char buf[1];
-        
+
         /* break_state = -1 to turn on break, and 0 to turn off break */
         /* see drivers/char/tty_io.c to see it used */
         /* last_set_data_urb_value NEVER has the break bit set in it */
@@ -1854,20 +1856,20 @@ static void ftdi_break_ctl( struct usb_serial_port *port, int break_state )
         if (break_state) {
                 urb_value = priv->last_set_data_urb_value | FTDI_SIO_SET_BREAK;
         } else {
-                urb_value = priv->last_set_data_urb_value; 
+                urb_value = priv->last_set_data_urb_value;
         }
 
-        
+
         if (usb_control_msg(port->serial->dev, usb_sndctrlpipe(port->serial->dev, 0),
-                            FTDI_SIO_SET_DATA_REQUEST, 
+                            FTDI_SIO_SET_DATA_REQUEST,
                             FTDI_SIO_SET_DATA_REQUEST_TYPE,
                             urb_value , priv->interface,
                             buf, 0, WDR_TIMEOUT) < 0) {
                 err("%s FAILED to enable/disable break state (state was %d)", __FUNCTION__,break_state);
-        }          
+        }
 
         dbg("%s break state is %d - urb is %d", __FUNCTION__,break_state, urb_value);
-        
+
 }
 
 
@@ -1883,12 +1885,12 @@ static void ftdi_set_termios (struct usb_serial_port *port, struct termios *old_
         struct ftdi_private *priv = usb_get_serial_port_data(port);
         __u16 urb_value; /* will hold the new flags */
         char buf[1]; /* Perhaps I should dynamically alloc this? */
-        
+
         // Added for xon/xoff support
         unsigned int iflag = port->tty->termios->c_iflag;
         unsigned char vstop;
         unsigned char vstart;
-        
+
         dbg("%s", __FUNCTION__);
 
         /* Force baud rate if this device requires it, unless it is set to B0. */
@@ -1906,20 +1908,20 @@ static void ftdi_set_termios (struct usb_serial_port *port, struct termios *old_
 
         cflag = port->tty->termios->c_cflag;
 
-        /* FIXME -For this cut I don't care if the line is really changing or 
-           not  - so just do the change regardless  - should be able to 
+        /* FIXME -For this cut I don't care if the line is really changing or
+           not  - so just do the change regardless  - should be able to
            compare old_termios and tty->termios */
-        /* NOTE These routines can get interrupted by 
-           ftdi_sio_read_bulk_callback  - need to examine what this 
+        /* NOTE These routines can get interrupted by
+           ftdi_sio_read_bulk_callback  - need to examine what this
            means - don't see any problems yet */
-        
+
         /* Set number of data bits, parity, stop bits */
-        
+
         urb_value = 0;
         urb_value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 :
                       FTDI_SIO_SET_DATA_STOP_BITS_1);
-        urb_value |= (cflag & PARENB ? 
-                      (cflag & PARODD ? FTDI_SIO_SET_DATA_PARITY_ODD : 
+        urb_value |= (cflag & PARENB ?
+                      (cflag & PARODD ? FTDI_SIO_SET_DATA_PARITY_ODD :
                        FTDI_SIO_SET_DATA_PARITY_EVEN) :
                       FTDI_SIO_SET_DATA_PARITY_NONE);
         if (cflag & CSIZE) {
@@ -1936,25 +1938,25 @@ static void ftdi_set_termios (struct usb_serial_port *port, struct termios *old_
         /* This is needed by the break command since it uses the same command - but is
          *  or'ed with this value  */
         priv->last_set_data_urb_value = urb_value;
-        
+
         if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
-                            FTDI_SIO_SET_DATA_REQUEST, 
+                            FTDI_SIO_SET_DATA_REQUEST,
                             FTDI_SIO_SET_DATA_REQUEST_TYPE,
                             urb_value , priv->interface,
                             buf, 0, WDR_SHORT_TIMEOUT) < 0) {
                 err("%s FAILED to set databits/stopbits/parity", __FUNCTION__);
-        }          
+        }
 
         /* Now do the baudrate */
         if ((cflag & CBAUD) == B0 ) {
                 /* Disable flow control */
                 if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
-                                    FTDI_SIO_SET_FLOW_CTRL_REQUEST, 
+                                    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
                                     FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
-                                    0, priv->interface, 
+                                    0, priv->interface,
                                     buf, 0, WDR_TIMEOUT) < 0) {
                         err("%s error from disable flowcontrol urb", __FUNCTION__);
-                }           
+                }
                 /* Drop RTS and DTR */
                 clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
         } else {
@@ -1972,16 +1974,16 @@ static void ftdi_set_termios (struct usb_serial_port *port, struct termios *old_
         /* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */
         if (cflag & CRTSCTS) {
                 dbg("%s Setting to CRTSCTS flow control", __FUNCTION__);
-                if (usb_control_msg(dev, 
+                if (usb_control_msg(dev,
                                     usb_sndctrlpipe(dev, 0),
-                                    FTDI_SIO_SET_FLOW_CTRL_REQUEST, 
+                                    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
                                     FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
                                     0 , (FTDI_SIO_RTS_CTS_HS | priv->interface),
                                     buf, 0, WDR_TIMEOUT) < 0) {
                         err("urb failed to set to rts/cts flow control");
-                }               
-                
-        } else { 
+                }
+
+        } else {
                 /*
                  * Xon/Xoff code
                  *
@@ -2011,16 +2013,16 @@ static void ftdi_set_termios (struct usb_serial_port *port, struct termios *old_
                         /* else clause to only run if cfag ! CRTSCTS and iflag ! XOFF */
                         /* CHECKME Assuming XON/XOFF handled by tty stack - not by device */
                         dbg("%s Turning off hardware flow control", __FUNCTION__);
-                        if (usb_control_msg(dev, 
+                        if (usb_control_msg(dev,
                                             usb_sndctrlpipe(dev, 0),
-                                            FTDI_SIO_SET_FLOW_CTRL_REQUEST, 
+                                            FTDI_SIO_SET_FLOW_CTRL_REQUEST,
                                             FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
-                                            0, priv->interface, 
+                                            0, priv->interface,
                                             buf, 0, WDR_TIMEOUT) < 0) {
                                 err("urb failed to clear flow control");
-                        }                               
+                        }
                 }
-                
+
         }
         return;
 } /* ftdi_termios */
@@ -2036,11 +2038,11 @@ static int ftdi_tiocmget (struct usb_serial_port *port, struct file *file)
         switch (priv->chip_type) {
         case SIO:
                 /* Request the status from the device */
-                if ((ret = usb_control_msg(port->serial->dev, 
+                if ((ret = usb_control_msg(port->serial->dev,
                                            usb_rcvctrlpipe(port->serial->dev, 0),
-                                           FTDI_SIO_GET_MODEM_STATUS_REQUEST, 
+                                           FTDI_SIO_GET_MODEM_STATUS_REQUEST,
                                            FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
-                                           0, 0, 
+                                           0, 0,
                                            buf, 1, WDR_TIMEOUT)) < 0 ) {
                         err("%s Could not get modem status of device - err: %d", __FUNCTION__,
                             ret);
@@ -2052,11 +2054,11 @@ static int ftdi_tiocmget (struct usb_serial_port *port, struct file *file)
         case FT2232C:
                 /* the 8U232AM returns a two byte value (the sio is a 1 byte value) - in the same
                    format as the data returned from the in point */
-                if ((ret = usb_control_msg(port->serial->dev, 
+                if ((ret = usb_control_msg(port->serial->dev,
                                            usb_rcvctrlpipe(port->serial->dev, 0),
-                                           FTDI_SIO_GET_MODEM_STATUS_REQUEST, 
+                                           FTDI_SIO_GET_MODEM_STATUS_REQUEST,
                                            FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
-                                           0, priv->interface, 
+                                           0, priv->interface,
                                            buf, 2, WDR_TIMEOUT)) < 0 ) {
                         err("%s Could not get modem status of device - err: %d", __FUNCTION__,
                             ret);
@@ -2067,12 +2069,12 @@ static int ftdi_tiocmget (struct usb_serial_port *port, struct file *file)
                 return -EFAULT;
                 break;
         }
-        
+
         return  (buf[0] & FTDI_SIO_DSR_MASK ? TIOCM_DSR : 0) |
                 (buf[0] & FTDI_SIO_CTS_MASK ? TIOCM_CTS : 0) |
                 (buf[0]  & FTDI_SIO_RI_MASK  ? TIOCM_RI  : 0) |
                 (buf[0]  & FTDI_SIO_RLSD_MASK ? TIOCM_CD  : 0) |
-                priv->last_dtr_rts;                     
+                priv->last_dtr_rts;
 }
 
 static int ftdi_tiocmset(struct usb_serial_port *port, struct file * file, unsigned int set, unsigned int clear)
@@ -2138,11 +2140,11 @@ static int ftdi_ioctl (struct usb_serial_port *port, struct file * file, unsigne
                 break;
         default:
                 break;
-                
+
         }
 
 
-        /* This is not necessarily an error - turns out the higher layers will do 
+        /* This is not necessarily an error - turns out the higher layers will do
          *  some ioctls itself (see comment above)
          */
         dbg("%s arg not supported - it was 0x%04x - check /usr/include/asm/ioctls.h", __FUNCTION__, cmd);
@@ -2199,7 +2201,7 @@ static int __init ftdi_init (void)
         if (retval)
                 goto failed_sio_register;
         retval = usb_register(&ftdi_driver);
-        if (retval) 
+        if (retval)
                 goto failed_usb_register;
 
         info(DRIVER_VERSION ":" DRIVER_DESC);