]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/usb/serial/kl5kusb105.c
usb_serial: API all change
[linux-2.6-omap-h63xx.git] / drivers / usb / serial / kl5kusb105.c
index 90e3216abd1f006800f0d2ed018a83c12a9b5cc0..4a38ec8f5fe330fbc008bae1536c118f35645808 100644 (file)
@@ -54,6 +54,7 @@
 #include <linux/tty_flip.h>
 #include <linux/module.h>
 #include <asm/uaccess.h>
+#include <asm/unaligned.h>
 #include <linux/usb.h>
 #include <linux/usb/serial.h>
 #include "kl5kusb105.h"
@@ -73,29 +74,33 @@ static int debug;
  */
 static int  klsi_105_startup            (struct usb_serial *serial);
 static void klsi_105_shutdown           (struct usb_serial *serial);
-static int  klsi_105_open               (struct usb_serial_port *port,
+static int  klsi_105_open               (struct tty_struct *tty,
+                                         struct usb_serial_port *port,
                                          struct file *filp);
-static void klsi_105_close              (struct usb_serial_port *port,
+static void klsi_105_close              (struct tty_struct *tty,
+                                         struct usb_serial_port *port,
                                          struct file *filp);
-static int  klsi_105_write              (struct usb_serial_port *port,
+static int  klsi_105_write              (struct tty_struct *tty,
+                                         struct usb_serial_port *port,
                                          const unsigned char *buf,
                                          int count);
 static void klsi_105_write_bulk_callback (struct urb *urb);
-static int  klsi_105_chars_in_buffer     (struct usb_serial_port *port);
-static int  klsi_105_write_room          (struct usb_serial_port *port);
+static int  klsi_105_chars_in_buffer     (struct tty_struct *tty);
+static int  klsi_105_write_room          (struct tty_struct *tty);
 
 static void klsi_105_read_bulk_callback  (struct urb *urb);
-static void klsi_105_set_termios         (struct usb_serial_port *port,
+static void klsi_105_set_termios         (struct tty_struct *tty,
+                                         struct usb_serial_port *port,
                                          struct ktermios *old);
-static void klsi_105_throttle           (struct usb_serial_port *port);
-static void klsi_105_unthrottle                 (struct usb_serial_port *port);
+static void klsi_105_throttle           (struct tty_struct *tty);
+static void klsi_105_unthrottle                 (struct tty_struct *tty);
 /*
-static void klsi_105_break_ctl          (struct usb_serial_port *port,
+static void klsi_105_break_ctl          (struct tty_struct *tty,
                                          int break_state );
  */
-static int  klsi_105_tiocmget           (struct usb_serial_port *port,
+static int  klsi_105_tiocmget           (struct tty_struct *tty,
                                          struct file *file);
-static int  klsi_105_tiocmset           (struct usb_serial_port *port,
+static int  klsi_105_tiocmset           (struct tty_struct *tty,
                                          struct file *file, unsigned int set,
                                          unsigned int clear);
 
@@ -126,9 +131,6 @@ static struct usb_serial_driver kl5kusb105d_device = {
        .description =       "KL5KUSB105D / PalmConnect",
        .usb_driver =        &kl5kusb105d_driver,
        .id_table =          id_table,
-       .num_interrupt_in =  1,
-       .num_bulk_in =       1,
-       .num_bulk_out =      1,
        .num_ports =         1,
        .open =              klsi_105_open,
        .close =             klsi_105_close,
@@ -194,7 +196,7 @@ static int klsi_105_chg_port_settings(struct usb_serial_port *port,
        if (rc < 0)
                err("Change port settings failed (error = %d)", rc);
        info("%s - %d byte block, baudrate %x, databits %d, u1 %d, u2 %d",
-           __FUNCTION__,
+           __func__,
            settings->pktlen,
            settings->baudrate, settings->databits,
            settings->unknown1, settings->unknown2);
@@ -225,7 +227,7 @@ static int klsi_105_get_line_state(struct usb_serial_port *port,
        __u8 status_buf[KLSI_STATUSBUF_LEN] = { -1,-1};
        __u16 status;
 
-       info("%s - sending SIO Poll request", __FUNCTION__);
+       info("%s - sending SIO Poll request", __func__);
         rc = usb_control_msg(port->serial->dev,
                             usb_rcvctrlpipe(port->serial->dev, 0),
                             KL5KUSB105A_SIO_POLL,
@@ -238,9 +240,9 @@ static int klsi_105_get_line_state(struct usb_serial_port *port,
        if (rc < 0)
                err("Reading line status failed (error = %d)", rc);
        else {
-               status = le16_to_cpu(*(u16 *)status_buf);
+               status = get_unaligned_le16(status_buf);
 
-               info("%s - read status %x %x", __FUNCTION__,
+               info("%s - read status %x %x", __func__,
                     status_buf[0], status_buf[1]);
 
                *line_state_p = klsi_105_status2linestate(status);
@@ -268,7 +270,7 @@ static int klsi_105_startup (struct usb_serial *serial)
                priv = kmalloc(sizeof(struct klsi_105_private),
                                                   GFP_KERNEL);
                if (!priv) {
-                       dbg("%skmalloc for klsi_105_private failed.", __FUNCTION__);
+                       dbg("%skmalloc for klsi_105_private failed.", __func__);
                        i--;
                        goto err_cleanup;
                }
@@ -298,7 +300,7 @@ static int klsi_105_startup (struct usb_serial *serial)
                        urb->transfer_buffer = kmalloc (URB_TRANSFER_BUFFER_SIZE,
                                                        GFP_KERNEL);
                        if (!urb->transfer_buffer) {
-                               err("%s - out of memory for urb buffers.", __FUNCTION__);
+                               err("%s - out of memory for urb buffers.", __func__);
                                goto err_cleanup;
                        }
                }
@@ -328,7 +330,7 @@ static void klsi_105_shutdown (struct usb_serial *serial)
 {
        int i;
        
-       dbg("%s", __FUNCTION__);
+       dbg("%s", __func__);
 
        /* stop reads and writes on all ports */
        for (i=0; i < serial->num_ports; ++i) {
@@ -363,7 +365,8 @@ static void klsi_105_shutdown (struct usb_serial *serial)
        }
 } /* klsi_105_shutdown */
 
-static int  klsi_105_open (struct usb_serial_port *port, struct file *filp)
+static int  klsi_105_open(struct tty_struct *tty,
+                       struct usb_serial_port *port, struct file *filp)
 {
        struct klsi_105_private *priv = usb_get_serial_port_data(port);
        int retval = 0;
@@ -373,11 +376,11 @@ static int  klsi_105_open (struct usb_serial_port *port, struct file *filp)
        struct klsi_105_port_settings cfg;
        unsigned long flags;
 
-       dbg("%s port %d", __FUNCTION__, port->number);
+       dbg("%s port %d", __func__, port->number);
 
        /* force low_latency on so that our tty_push actually forces
         * the data through
-        * port->tty->low_latency = 1; */
+        * tty->low_latency = 1; */
 
        /* Do a defined restart:
         * Set up sane default baud rate and send the 'READ_ON'
@@ -395,12 +398,12 @@ static int  klsi_105_open (struct usb_serial_port *port, struct file *filp)
        
        /* set up termios structure */
        spin_lock_irqsave (&priv->lock, flags);
-       priv->termios.c_iflag = port->tty->termios->c_iflag;
-       priv->termios.c_oflag = port->tty->termios->c_oflag;
-       priv->termios.c_cflag = port->tty->termios->c_cflag;
-       priv->termios.c_lflag = port->tty->termios->c_lflag;
+       priv->termios.c_iflag = tty->termios->c_iflag;
+       priv->termios.c_oflag = tty->termios->c_oflag;
+       priv->termios.c_cflag = tty->termios->c_cflag;
+       priv->termios.c_lflag = tty->termios->c_lflag;
        for (i=0; i<NCCS; i++)
-               priv->termios.c_cc[i] = port->tty->termios->c_cc[i];
+               priv->termios.c_cc[i] = tty->termios->c_cc[i];
        priv->cfg.pktlen   = cfg.pktlen;
        priv->cfg.baudrate = cfg.baudrate;
        priv->cfg.databits = cfg.databits;
@@ -419,7 +422,7 @@ static int  klsi_105_open (struct usb_serial_port *port, struct file *filp)
 
        rc = usb_submit_urb(port->read_urb, GFP_KERNEL);
        if (rc) {
-               err("%s - failed submitting read urb, error %d", __FUNCTION__, rc);
+               err("%s - failed submitting read urb, error %d", __func__, rc);
                retval = rc;
                goto exit;
        }
@@ -437,14 +440,14 @@ static int  klsi_105_open (struct usb_serial_port *port, struct file *filp)
                err("Enabling read failed (error = %d)", rc);
                retval = rc;
        } else 
-               dbg("%s - enabled reading", __FUNCTION__);
+               dbg("%s - enabled reading", __func__);
 
        rc = klsi_105_get_line_state(port, &line_state);
        if (rc >= 0) {
                spin_lock_irqsave (&priv->lock, flags);
                priv->line_state = line_state;
                spin_unlock_irqrestore (&priv->lock, flags);
-               dbg("%s - read line state 0x%lx", __FUNCTION__, line_state);
+               dbg("%s - read line state 0x%lx", __func__, line_state);
                retval = 0;
        } else
                retval = rc;
@@ -454,24 +457,29 @@ exit:
 } /* klsi_105_open */
 
 
-static void klsi_105_close (struct usb_serial_port *port, struct file *filp)
+static void klsi_105_close(struct tty_struct *tty,
+                       struct usb_serial_port *port, struct file *filp)
 {
        struct klsi_105_private *priv = usb_get_serial_port_data(port);
        int rc;
 
-       dbg("%s port %d", __FUNCTION__, port->number);
-
-       /* send READ_OFF */
-       rc = usb_control_msg (port->serial->dev,
-                             usb_sndctrlpipe(port->serial->dev, 0),
-                             KL5KUSB105A_SIO_CONFIGURE,
-                             USB_TYPE_VENDOR | USB_DIR_OUT,
-                             KL5KUSB105A_SIO_CONFIGURE_READ_OFF,
-                             0, /* index */
-                             NULL, 0,
-                             KLSI_TIMEOUT);
-       if (rc < 0)
-                   err("Disabling read failed (error = %d)", rc);
+       dbg("%s port %d", __func__, port->number);
+
+       mutex_lock(&port->serial->disc_mutex);
+       if (!port->serial->disconnected) {
+               /* send READ_OFF */
+               rc = usb_control_msg (port->serial->dev,
+                                     usb_sndctrlpipe(port->serial->dev, 0),
+                                     KL5KUSB105A_SIO_CONFIGURE,
+                                     USB_TYPE_VENDOR | USB_DIR_OUT,
+                                     KL5KUSB105A_SIO_CONFIGURE_READ_OFF,
+                                     0, /* index */
+                                     NULL, 0,
+                                     KLSI_TIMEOUT);
+               if (rc < 0)
+                       err("Disabling read failed (error = %d)", rc);
+       }
+       mutex_unlock(&port->serial->disc_mutex);
 
        /* shutdown our bulk reads and writes */
        usb_kill_urb(port->write_urb);
@@ -491,14 +499,14 @@ static void klsi_105_close (struct usb_serial_port *port, struct file *filp)
 #define KLSI_105_DATA_OFFSET   2   /* in the bulk urb data block */
 
 
-static int klsi_105_write (struct usb_serial_port *port,
-                          const unsigned char *buf, int count)
+static int klsi_105_write(struct tty_struct *tty,
+       struct usb_serial_port *port, const unsigned char *buf, int count)
 {
        struct klsi_105_private *priv = usb_get_serial_port_data(port);
        int result, size;
        int bytes_sent=0;
 
-       dbg("%s - port %d", __FUNCTION__, port->number);
+       dbg("%s - port %d", __func__, port->number);
 
        while (count > 0) {
                /* try to find a free urb (write 0 bytes if none) */
@@ -510,21 +518,21 @@ static int klsi_105_write (struct usb_serial_port *port,
                for (i=0; i<NUM_URBS; i++) {
                        if (priv->write_urb_pool[i]->status != -EINPROGRESS) {
                                urb = priv->write_urb_pool[i];
-                               dbg("%s - using pool URB %d", __FUNCTION__, i);
+                               dbg("%s - using pool URB %d", __func__, i);
                                break;
                        }
                }
                spin_unlock_irqrestore (&priv->lock, flags);
 
                if (urb==NULL) {
-                       dbg("%s - no more free urbs", __FUNCTION__);
+                       dbg("%s - no more free urbs", __func__);
                        goto exit;
                }
 
                if (urb->transfer_buffer == NULL) {
                        urb->transfer_buffer = kmalloc (URB_TRANSFER_BUFFER_SIZE, GFP_ATOMIC);
                        if (urb->transfer_buffer == NULL) {
-                               err("%s - no more kernel memory...", __FUNCTION__);
+                               err("%s - no more kernel memory...", __func__);
                                goto exit;
                        }
                }
@@ -550,7 +558,7 @@ static int klsi_105_write (struct usb_serial_port *port,
                /* send the data out the bulk port */
                result = usb_submit_urb(urb, GFP_ATOMIC);
                if (result) {
-                       err("%s - failed submitting write urb, error %d", __FUNCTION__, result);
+                       err("%s - failed submitting write urb, error %d", __func__, result);
                        goto exit;
                }
                buf += size;
@@ -566,13 +574,13 @@ exit:
 
 static void klsi_105_write_bulk_callback ( struct urb *urb)
 {
-       struct usb_serial_port *port = (struct usb_serial_port *)urb->context;
+       struct usb_serial_port *port = urb->context;
        int status = urb->status;
 
-       dbg("%s - port %d", __FUNCTION__, port->number);
+       dbg("%s - port %d", __func__, port->number);
 
        if (status) {
-               dbg("%s - nonzero write bulk status received: %d", __FUNCTION__,
+               dbg("%s - nonzero write bulk status received: %d", __func__,
                    status);
                return;
        }
@@ -582,8 +590,9 @@ static void klsi_105_write_bulk_callback ( struct urb *urb)
 
 
 /* return number of characters currently in the writing process */
-static int klsi_105_chars_in_buffer (struct usb_serial_port *port)
+static int klsi_105_chars_in_buffer (struct tty_struct *tty)
 {
+       struct usb_serial_port *port = tty->driver_data;
        int chars = 0;
        int i;
        unsigned long flags;
@@ -599,12 +608,13 @@ static int klsi_105_chars_in_buffer (struct usb_serial_port *port)
 
        spin_unlock_irqrestore (&priv->lock, flags);
 
-       dbg("%s - returns %d", __FUNCTION__, chars);
+       dbg("%s - returns %d", __func__, chars);
        return (chars);
 }
 
-static int klsi_105_write_room (struct usb_serial_port *port)
+static int klsi_105_write_room (struct tty_struct *tty)
 {
+       struct usb_serial_port *port = tty->driver_data;
        unsigned long flags;
        int i;
        int room = 0;
@@ -619,7 +629,7 @@ static int klsi_105_write_room (struct usb_serial_port *port)
 
        spin_unlock_irqrestore (&priv->lock, flags);
 
-       dbg("%s - returns %d", __FUNCTION__, room);
+       dbg("%s - returns %d", __func__, room);
        return (room);
 }
 
@@ -627,18 +637,18 @@ static int klsi_105_write_room (struct usb_serial_port *port)
 
 static void klsi_105_read_bulk_callback (struct urb *urb)
 {
-       struct usb_serial_port *port = (struct usb_serial_port *)urb->context;
+       struct usb_serial_port *port = urb->context;
        struct klsi_105_private *priv = usb_get_serial_port_data(port);
        struct tty_struct *tty;
        unsigned char *data = urb->transfer_buffer;
        int rc;
        int status = urb->status;
 
-       dbg("%s - port %d", __FUNCTION__, port->number);
+       dbg("%s - port %d", __func__, port->number);
 
        /* The urb might have been killed. */
        if (status) {
-               dbg("%s - nonzero read bulk status received: %d", __FUNCTION__,
+               dbg("%s - nonzero read bulk status received: %d", __func__,
                    status);
                return;
        }
@@ -648,29 +658,29 @@ static void klsi_105_read_bulk_callback (struct urb *urb)
         */
        if (urb->actual_length == 0) {
                /* empty urbs seem to happen, we ignore them */
-               /* dbg("%s - emtpy URB", __FUNCTION__); */
+               /* dbg("%s - emtpy URB", __func__); */
               ;
        } else if (urb->actual_length <= 2) {
-               dbg("%s - size %d URB not understood", __FUNCTION__,
+               dbg("%s - size %d URB not understood", __func__,
                    urb->actual_length);
-               usb_serial_debug_data(debug, &port->dev, __FUNCTION__,
+               usb_serial_debug_data(debug, &port->dev, __func__,
                                      urb->actual_length, data);
        } else {
                int bytes_sent = ((__u8 *) data)[0] +
                                 ((unsigned int) ((__u8 *) data)[1] << 8);
-               tty = port->tty;
+               tty = port->port.tty;
                /* we should immediately resubmit the URB, before attempting
                 * to pass the data on to the tty layer. But that needs locking
                 * against re-entry an then mixed-up data because of
                 * intermixed tty_flip_buffer_push()s
                 * FIXME
                 */ 
-               usb_serial_debug_data(debug, &port->dev, __FUNCTION__,
+               usb_serial_debug_data(debug, &port->dev, __func__,
                                      urb->actual_length, data);
 
                if (bytes_sent + 2 > urb->actual_length) {
                        dbg("%s - trying to read more data than available"
-                           " (%d vs. %d)", __FUNCTION__,
+                           " (%d vs. %d)", __func__,
                            bytes_sent+2, urb->actual_length);
                        /* cap at implied limit */
                        bytes_sent = urb->actual_length - 2;
@@ -693,20 +703,22 @@ static void klsi_105_read_bulk_callback (struct urb *urb)
                      port);
        rc = usb_submit_urb(port->read_urb, GFP_ATOMIC);
        if (rc)
-               err("%s - failed resubmitting read urb, error %d", __FUNCTION__, rc);
+               err("%s - failed resubmitting read urb, error %d", __func__, rc);
 } /* klsi_105_read_bulk_callback */
 
 
-static void klsi_105_set_termios (struct usb_serial_port *port,
+static void klsi_105_set_termios (struct tty_struct *tty,
+                                 struct usb_serial_port *port,
                                  struct ktermios *old_termios)
 {
        struct klsi_105_private *priv = usb_get_serial_port_data(port);
-       unsigned int iflag = port->tty->termios->c_iflag;
+       unsigned int iflag = tty->termios->c_iflag;
        unsigned int old_iflag = old_termios->c_iflag;
-       unsigned int cflag = port->tty->termios->c_cflag;
+       unsigned int cflag = tty->termios->c_cflag;
        unsigned int old_cflag = old_termios->c_cflag;
        struct klsi_105_port_settings cfg;
        unsigned long flags;
+       speed_t baud;
        
        /* lock while we are modifying the settings */
        spin_lock_irqsave (&priv->lock, flags);
@@ -714,10 +726,12 @@ static void klsi_105_set_termios (struct usb_serial_port *port,
        /*
         * Update baud rate
         */
+       baud = tty_get_baud_rate(tty);
+
        if( (cflag & CBAUD) != (old_cflag & CBAUD) ) {
                /* reassert DTR and (maybe) RTS on transition from B0 */
                if( (old_cflag & CBAUD) == B0 ) {
-                       dbg("%s: baud was B0", __FUNCTION__);
+                       dbg("%s: baud was B0", __func__);
 #if 0
                        priv->control_state |= TIOCM_DTR;
                        /* don't set RTS if using hardware flow control */
@@ -727,8 +741,8 @@ static void klsi_105_set_termios (struct usb_serial_port *port,
                        mct_u232_set_modem_ctrl(serial, priv->control_state);
 #endif
                }
-               
-               switch(tty_get_baud_rate(port->tty)) {
+       }
+       switch(baud) {
                case 0: /* handled below */
                        break;
                case 1200:
@@ -756,35 +770,36 @@ static void klsi_105_set_termios (struct usb_serial_port *port,
                        priv->cfg.baudrate = kl5kusb105a_sio_b115200;
                        break;
                default:
-                       err("KLSI USB->Serial converter:"
+                       dbg("KLSI USB->Serial converter:"
                            " unsupported baudrate request, using default"
                            " of 9600");
                        priv->cfg.baudrate = kl5kusb105a_sio_b9600;
+                       baud = 9600;
                        break;
-               }
-               if ((cflag & CBAUD) == B0 ) {
-                       dbg("%s: baud is B0", __FUNCTION__);
-                       /* Drop RTS and DTR */
-                       /* maybe this should be simulated by sending read
-                        * disable and read enable messages?
-                        */
-                       ;
+       }
+       if ((cflag & CBAUD) == B0 ) {
+               dbg("%s: baud is B0", __func__);
+               /* Drop RTS and DTR */
+               /* maybe this should be simulated by sending read
+                * disable and read enable messages?
+                */
+               ;
 #if 0
-                       priv->control_state &= ~(TIOCM_DTR | TIOCM_RTS);
-                       mct_u232_set_modem_ctrl(serial, priv->control_state);
+               priv->control_state &= ~(TIOCM_DTR | TIOCM_RTS);
+                       mct_u232_set_modem_ctrl(serial, priv->control_state);
 #endif
-               }
        }
+       tty_encode_baud_rate(tty, baud, baud);
 
        if ((cflag & CSIZE) != (old_cflag & CSIZE)) {
                /* set the number of data bits */
                switch (cflag & CSIZE) {
                case CS5:
-                       dbg("%s - 5 bits/byte not supported", __FUNCTION__);
+                       dbg("%s - 5 bits/byte not supported", __func__);
                        spin_unlock_irqrestore (&priv->lock, flags);
                        return ;
                case CS6:
-                       dbg("%s - 6 bits/byte not supported", __FUNCTION__);
+                       dbg("%s - 6 bits/byte not supported", __func__);
                        spin_unlock_irqrestore (&priv->lock, flags);
                        return ;
                case CS7:
@@ -806,6 +821,8 @@ static void klsi_105_set_termios (struct usb_serial_port *port,
        if ((cflag & (PARENB|PARODD)) != (old_cflag & (PARENB|PARODD))
            || (cflag & CSTOPB) != (old_cflag & CSTOPB) ) {
                
+               /* Not currently supported */
+               tty->termios->c_cflag &= ~(PARENB|PARODD|CSTOPB);
 #if 0
                priv->last_lcr = 0;
 
@@ -833,6 +850,8 @@ static void klsi_105_set_termios (struct usb_serial_port *port,
            || (iflag & IXON) != (old_iflag & IXON)
            ||  (cflag & CRTSCTS) != (old_cflag & CRTSCTS) ) {
                
+               /* Not currently supported */
+               tty->termios->c_cflag &= ~CRTSCTS;
                /* Drop DTR/RTS if no flow control otherwise assert */
 #if 0
                if ((iflag & IXOFF) || (iflag & IXON) || (cflag & CRTSCTS) )
@@ -852,13 +871,14 @@ static void klsi_105_set_termios (struct usb_serial_port *port,
 
 
 #if 0
-static void mct_u232_break_ctl( struct usb_serial_port *port, int break_state )
+static void mct_u232_break_ctl( struct tty_struct *tty, int break_state )
 {
+       struct usb_serial_port *port = tty->driver_data;
        struct usb_serial *serial = port->serial;
        struct mct_u232_private *priv = (struct mct_u232_private *)port->private;
        unsigned char lcr = priv->last_lcr;
 
-       dbg("%sstate=%d", __FUNCTION__, break_state);
+       dbg("%sstate=%d", __func__, break_state);
 
        if (break_state)
                lcr |= MCT_U232_SET_BREAK;
@@ -867,13 +887,14 @@ static void mct_u232_break_ctl( struct usb_serial_port *port, int break_state )
 } /* mct_u232_break_ctl */
 #endif
 
-static int klsi_105_tiocmget (struct usb_serial_port *port, struct file *file)
+static int klsi_105_tiocmget (struct tty_struct *tty, struct file *file)
 {
+       struct usb_serial_port *port = tty->driver_data;
        struct klsi_105_private *priv = usb_get_serial_port_data(port);
        unsigned long flags;
        int rc;
        unsigned long line_state;
-       dbg("%s - request, just guessing", __FUNCTION__);
+       dbg("%s - request, just guessing", __func__);
 
        rc = klsi_105_get_line_state(port, &line_state);
        if (rc < 0) {
@@ -885,16 +906,16 @@ static int klsi_105_tiocmget (struct usb_serial_port *port, struct file *file)
        spin_lock_irqsave (&priv->lock, flags);
        priv->line_state = line_state;
        spin_unlock_irqrestore (&priv->lock, flags);
-       dbg("%s - read line state 0x%lx", __FUNCTION__, line_state);
+       dbg("%s - read line state 0x%lx", __func__, line_state);
        return (int)line_state;
 }
 
-static int klsi_105_tiocmset (struct usb_serial_port *port, struct file *file,
+static int klsi_105_tiocmset (struct tty_struct *tty, struct file *file,
                              unsigned int set, unsigned int clear)
 {
        int retval = -EINVAL;
        
-       dbg("%s", __FUNCTION__);
+       dbg("%s", __func__);
 
 /* if this ever gets implemented, it should be done something like this:
        struct usb_serial *serial = port->serial;
@@ -918,22 +939,24 @@ static int klsi_105_tiocmset (struct usb_serial_port *port, struct file *file,
        return retval;
 }
 
-static void klsi_105_throttle (struct usb_serial_port *port)
+static void klsi_105_throttle (struct tty_struct *tty)
 {
-       dbg("%s - port %d", __FUNCTION__, port->number);
+       struct usb_serial_port *port = tty->driver_data;
+       dbg("%s - port %d", __func__, port->number);
        usb_kill_urb(port->read_urb);
 }
 
-static void klsi_105_unthrottle (struct usb_serial_port *port)
+static void klsi_105_unthrottle (struct tty_struct *tty)
 {
+       struct usb_serial_port *port = tty->driver_data;
        int result;
 
-       dbg("%s - port %d", __FUNCTION__, port->number);
+       dbg("%s - port %d", __func__, port->number);
 
        port->read_urb->dev = port->serial->dev;
        result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
        if (result)
-               err("%s - failed submitting read urb, error %d", __FUNCTION__,
+               err("%s - failed submitting read urb, error %d", __func__,
                    result);
 }