diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 7f1fa95..9819962 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -677,10 +677,10 @@
 	5, 6, 7, 8
 };
 
-static void acm_tty_set_termios(struct tty_struct *tty, struct termios *termios_old)
+static void acm_tty_set_termios(struct tty_struct *tty, struct ktermios *termios_old)
 {
 	struct acm *acm = tty->driver_data;
-	struct termios *termios = tty->termios;
+	struct ktermios *termios = tty->termios;
 	struct usb_cdc_line_coding newline;
 	int newctrl = acm->ctrlout;
 
diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c
index 208e55a..5516c59 100644
--- a/drivers/usb/gadget/serial.c
+++ b/drivers/usb/gadget/serial.c
@@ -200,7 +200,7 @@
 static void gs_break(struct tty_struct *tty, int break_state);
 static int  gs_ioctl(struct tty_struct *tty, struct file *file,
 	unsigned int cmd, unsigned long arg);
-static void gs_set_termios(struct tty_struct *tty, struct termios *old);
+static void gs_set_termios(struct tty_struct *tty, struct ktermios *old);
 
 static int gs_send(struct gs_dev *dev);
 static int gs_send_packet(struct gs_dev *dev, char *packet,
@@ -1077,7 +1077,7 @@
 /*
  * gs_set_termios
  */
-static void gs_set_termios(struct tty_struct *tty, struct termios *old)
+static void gs_set_termios(struct tty_struct *tty, struct ktermios *old)
 {
 }
 
diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
index 863966c..5261cd2 100644
--- a/drivers/usb/serial/ark3116.c
+++ b/drivers/usb/serial/ark3116.c
@@ -156,7 +156,7 @@
 }
 
 static void ark3116_set_termios(struct usb_serial_port *port,
-				struct termios *old_termios)
+				struct ktermios *old_termios)
 {
 	struct usb_serial *serial = port->serial;
 	struct ark3116_private *priv = usb_get_serial_port_data(port);
@@ -326,7 +326,7 @@
 
 static int ark3116_open(struct usb_serial_port *port, struct file *filp)
 {
-	struct termios tmp_termios;
+	struct ktermios tmp_termios;
 	struct usb_serial *serial = port->serial;
 	char *buf;
 	int result = 0;
diff --git a/drivers/usb/serial/belkin_sa.c b/drivers/usb/serial/belkin_sa.c
index 8835bb5..38b4dae 100644
--- a/drivers/usb/serial/belkin_sa.c
+++ b/drivers/usb/serial/belkin_sa.c
@@ -92,7 +92,7 @@
 static int  belkin_sa_open		(struct usb_serial_port *port, struct file *filp);
 static void belkin_sa_close		(struct usb_serial_port *port, struct file *filp);
 static void belkin_sa_read_int_callback (struct urb *urb);
-static void belkin_sa_set_termios	(struct usb_serial_port *port, struct termios * old);
+static void belkin_sa_set_termios	(struct usb_serial_port *port, struct ktermios * old);
 static int  belkin_sa_ioctl		(struct usb_serial_port *port, struct file * file, unsigned int cmd, unsigned long arg);
 static void belkin_sa_break_ctl		(struct usb_serial_port *port, int break_state );
 static int  belkin_sa_tiocmget		(struct usb_serial_port *port, struct file *file);
@@ -333,7 +333,7 @@
 		     __FUNCTION__, retval);
 }
 
-static void belkin_sa_set_termios (struct usb_serial_port *port, struct termios *old_termios)
+static void belkin_sa_set_termios (struct usb_serial_port *port, struct ktermios *old_termios)
 {
 	struct usb_serial *serial = port->serial;
 	struct belkin_sa_private *priv = usb_get_serial_port_data(port);
diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c
index 7167728..9386e21 100644
--- a/drivers/usb/serial/console.c
+++ b/drivers/usb/serial/console.c
@@ -65,7 +65,7 @@
 	struct usb_serial_port *port;
 	int retval = 0;
 	struct tty_struct *tty;
-	struct termios *termios;
+	struct ktermios *termios;
 
 	dbg ("%s", __FUNCTION__);
 
diff --git a/drivers/usb/serial/cp2101.c b/drivers/usb/serial/cp2101.c
index f95d42c..2f9b7ac 100644
--- a/drivers/usb/serial/cp2101.c
+++ b/drivers/usb/serial/cp2101.c
@@ -41,7 +41,7 @@
 static void cp2101_cleanup(struct usb_serial_port*);
 static void cp2101_close(struct usb_serial_port*, struct file*);
 static void cp2101_get_termios(struct usb_serial_port*);
-static void cp2101_set_termios(struct usb_serial_port*, struct termios*);
+static void cp2101_set_termios(struct usb_serial_port*, struct ktermios*);
 static int cp2101_tiocmget (struct usb_serial_port *, struct file *);
 static int cp2101_tiocmset (struct usb_serial_port *, struct file *,
 		unsigned int, unsigned int);
@@ -506,7 +506,7 @@
 }
 
 static void cp2101_set_termios (struct usb_serial_port *port,
-		struct termios *old_termios)
+		struct ktermios *old_termios)
 {
 	unsigned int cflag, old_cflag=0;
 	int baud=0, bits;
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index 093f303..a1fdb85 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -143,7 +143,7 @@
 	wait_queue_head_t delta_msr_wait;  /* used for TIOCMIWAIT */
 	char prev_status, diff_status;	   /* used for TIOCMIWAIT */
 	/* we pass a pointer to this as the arguement sent to cypress_set_termios old_termios */
-	struct termios tmp_termios; 	   /* stores the old termios settings */
+	struct ktermios tmp_termios; 	   /* stores the old termios settings */
 };
 
 /* write buffer structure */
@@ -165,7 +165,7 @@
 static void cypress_send		(struct usb_serial_port *port);
 static int  cypress_write_room		(struct usb_serial_port *port);
 static int  cypress_ioctl		(struct usb_serial_port *port, struct file * file, unsigned int cmd, unsigned long arg);
-static void cypress_set_termios		(struct usb_serial_port *port, struct termios * old);
+static void cypress_set_termios		(struct usb_serial_port *port, struct ktermios * old);
 static int  cypress_tiocmget		(struct usb_serial_port *port, struct file *file);
 static int  cypress_tiocmset		(struct usb_serial_port *port, struct file *file, unsigned int set, unsigned int clear);
 static int  cypress_chars_in_buffer	(struct usb_serial_port *port);
@@ -949,13 +949,13 @@
 
 	switch (cmd) {
 		case TIOCGSERIAL:
-			if (copy_to_user((void __user *)arg, port->tty->termios, sizeof(struct termios))) {
+			if (copy_to_user((void __user *)arg, port->tty->termios, sizeof(struct ktermios))) {
 				return -EFAULT;
 			}
 			return (0);
 			break;
 		case TIOCSSERIAL:
-			if (copy_from_user(port->tty->termios, (void __user *)arg, sizeof(struct termios))) {
+			if (copy_from_user(port->tty->termios, (void __user *)arg, sizeof(struct ktermios))) {
 				return -EFAULT;
 			}
 			/* here we need to call cypress_set_termios to invoke the new settings */
@@ -1019,7 +1019,7 @@
 
 
 static void cypress_set_termios (struct usb_serial_port *port,
-		struct termios *old_termios)
+		struct ktermios *old_termios)
 {
 	struct cypress_private *priv = usb_get_serial_port_data(port);
 	struct tty_struct *tty;
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index 83d0e21..9d9ea87 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -449,7 +449,7 @@
 static void digi_rx_throttle (struct usb_serial_port *port);
 static void digi_rx_unthrottle (struct usb_serial_port *port);
 static void digi_set_termios( struct usb_serial_port *port, 
-	struct termios *old_termios );
+	struct ktermios *old_termios );
 static void digi_break_ctl( struct usb_serial_port *port, int break_state );
 static int digi_ioctl( struct usb_serial_port *port, struct file *file,
 	unsigned int cmd, unsigned long arg );
@@ -976,7 +976,7 @@
 
 
 static void digi_set_termios( struct usb_serial_port *port, 
-	struct termios *old_termios )
+	struct ktermios *old_termios )
 {
 
 	struct digi_port *priv = usb_get_serial_port_data(port);
@@ -1463,7 +1463,7 @@
 	int ret;
 	unsigned char buf[32];
 	struct digi_port *priv = usb_get_serial_port_data(port);
-	struct termios not_termios;
+	struct ktermios not_termios;
 	unsigned long flags = 0;
 
 
diff --git a/drivers/usb/serial/empeg.c b/drivers/usb/serial/empeg.c
index 4ce10a8..92beeb1 100644
--- a/drivers/usb/serial/empeg.c
+++ b/drivers/usb/serial/empeg.c
@@ -92,7 +92,7 @@
 					struct file * file,
 					unsigned int cmd,
 					unsigned long arg);
-static void empeg_set_termios		(struct usb_serial_port *port, struct termios *old_termios);
+static void empeg_set_termios		(struct usb_serial_port *port, struct ktermios *old_termios);
 static void empeg_write_bulk_callback	(struct urb *urb);
 static void empeg_read_bulk_callback	(struct urb *urb);
 
@@ -442,7 +442,7 @@
 }
 
 
-static void empeg_set_termios (struct usb_serial_port *port, struct termios *old_termios)
+static void empeg_set_termios (struct usb_serial_port *port, struct ktermios *old_termios)
 {
 
 	dbg("%s - port %d", __FUNCTION__, port->number);
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 72e4d48..41b0ad2 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -595,7 +595,7 @@
 static void ftdi_write_bulk_callback	(struct urb *urb);
 static void ftdi_read_bulk_callback	(struct urb *urb);
 static void ftdi_process_read		(struct work_struct *work);
-static void ftdi_set_termios		(struct usb_serial_port *port, struct termios * old);
+static void ftdi_set_termios		(struct usb_serial_port *port, struct ktermios * old);
 static int  ftdi_tiocmget               (struct usb_serial_port *port, struct file *file);
 static int  ftdi_tiocmset		(struct usb_serial_port *port, struct file * file, unsigned int set, unsigned int clear);
 static int  ftdi_ioctl			(struct usb_serial_port *port, struct file * file, unsigned int cmd, unsigned long arg);
@@ -1880,7 +1880,7 @@
  * WARNING: set_termios calls this with old_termios in kernel space
  */
 
-static void ftdi_set_termios (struct usb_serial_port *port, struct termios *old_termios)
+static void ftdi_set_termios (struct usb_serial_port *port, struct ktermios *old_termios)
 { /* ftdi_termios */
 	struct usb_device *dev = port->serial->dev;
 	unsigned int cflag = port->tty->termios->c_cflag;
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index d06547a..f623d58 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -229,7 +229,7 @@
 static int  edge_chars_in_buffer	(struct usb_serial_port *port);
 static void edge_throttle		(struct usb_serial_port *port);
 static void edge_unthrottle		(struct usb_serial_port *port);
-static void edge_set_termios		(struct usb_serial_port *port, struct termios *old_termios);
+static void edge_set_termios		(struct usb_serial_port *port, struct ktermios *old_termios);
 static int  edge_ioctl			(struct usb_serial_port *port, struct file *file, unsigned int cmd, unsigned long arg);
 static void edge_break			(struct usb_serial_port *port, int break_state);
 static int  edge_tiocmget		(struct usb_serial_port *port, struct file *file);
@@ -257,7 +257,7 @@
 static int  send_iosp_ext_cmd		(struct edgeport_port *edge_port, __u8 command, __u8 param);
 static int  calc_baud_rate_divisor	(int baud_rate, int *divisor);
 static int  send_cmd_write_baud_rate	(struct edgeport_port *edge_port, int baudRate);
-static void change_port_settings	(struct edgeport_port *edge_port, struct termios *old_termios);
+static void change_port_settings	(struct edgeport_port *edge_port, struct ktermios *old_termios);
 static int  send_cmd_write_uart_register	(struct edgeport_port *edge_port, __u8 regNum, __u8 regValue);
 static int  write_cmd_usb		(struct edgeport_port *edge_port, unsigned char *buffer, int writeLength);
 static void send_more_port_data		(struct edgeport_serial *edge_serial, struct edgeport_port *edge_port);
@@ -1431,7 +1431,7 @@
  * SerialSetTermios
  *	this function is called by the tty driver when it wants to change the termios structure
  *****************************************************************************/
-static void edge_set_termios (struct usb_serial_port *port, struct termios *old_termios)
+static void edge_set_termios (struct usb_serial_port *port, struct ktermios *old_termios)
 {
 	struct edgeport_port *edge_port = usb_get_serial_port_data(port);
 	struct tty_struct *tty = port->tty;
@@ -2412,7 +2412,7 @@
 #ifndef CMSPAR
 #define CMSPAR 0
 #endif
-static void change_port_settings (struct edgeport_port *edge_port, struct termios *old_termios)
+static void change_port_settings (struct edgeport_port *edge_port, struct ktermios *old_termios)
 {
 	struct tty_struct *tty;
 	int baud;
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index ee0c921..2da2684 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -238,7 +238,7 @@
 static void stop_read(struct edgeport_port *edge_port);
 static int restart_read(struct edgeport_port *edge_port);
 
-static void edge_set_termios (struct usb_serial_port *port, struct termios *old_termios);
+static void edge_set_termios (struct usb_serial_port *port, struct ktermios *old_termios);
 static void edge_send(struct usb_serial_port *port);
 
 /* circular buffer */
@@ -2361,7 +2361,7 @@
 	return status;
 }
 
-static void change_port_settings (struct edgeport_port *edge_port, struct termios *old_termios)
+static void change_port_settings (struct edgeport_port *edge_port, struct ktermios *old_termios)
 {
 	struct ump_uart_config *config;
 	struct tty_struct *tty;
@@ -2512,7 +2512,7 @@
 	return;
 }
 
-static void edge_set_termios (struct usb_serial_port *port, struct termios *old_termios)
+static void edge_set_termios (struct usb_serial_port *port, struct ktermios *old_termios)
 {
 	struct edgeport_port *edge_port = usb_get_serial_port_data(port);
 	struct tty_struct *tty = port->tty;
diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c
index 331bf81..8fdf486 100644
--- a/drivers/usb/serial/ir-usb.c
+++ b/drivers/usb/serial/ir-usb.c
@@ -107,7 +107,7 @@
 static int  ir_write (struct usb_serial_port *port, const unsigned char *buf, int count);
 static void ir_write_bulk_callback (struct urb *urb);
 static void ir_read_bulk_callback (struct urb *urb);
-static void ir_set_termios (struct usb_serial_port *port, struct termios *old_termios);
+static void ir_set_termios (struct usb_serial_port *port, struct ktermios *old_termios);
 
 static u8 ir_baud = 0;
 static u8 ir_xbof = 0;
@@ -497,7 +497,7 @@
 	return;
 }
 
-static void ir_set_termios (struct usb_serial_port *port, struct termios *old_termios)
+static void ir_set_termios (struct usb_serial_port *port, struct ktermios *old_termios)
 {
 	unsigned char *transfer_buffer;
 	unsigned int cflag;
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 7639652..9d2fdfd 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -264,7 +264,7 @@
 
 
 static void keyspan_set_termios (struct usb_serial_port *port, 
-				     struct termios *old_termios)
+				     struct ktermios *old_termios)
 {
 	int				baud_rate, device_port;
 	struct keyspan_port_private 	*p_priv;
diff --git a/drivers/usb/serial/keyspan.h b/drivers/usb/serial/keyspan.h
index 7472ed6..6413d73 100644
--- a/drivers/usb/serial/keyspan.h
+++ b/drivers/usb/serial/keyspan.h
@@ -59,7 +59,7 @@
 					 unsigned int cmd,
 					 unsigned long arg);
 static void keyspan_set_termios		(struct usb_serial_port *port,
-					 struct termios *old);
+					 struct ktermios *old);
 static void keyspan_break_ctl		(struct usb_serial_port *port,
 					 int break_state);
 static int  keyspan_tiocmget		(struct usb_serial_port *port,
diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
index e09a0bf..126b970 100644
--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -365,7 +365,7 @@
 
 
 static void keyspan_pda_set_termios (struct usb_serial_port *port, 
-				     struct termios *old_termios)
+				     struct ktermios *old_termios)
 {
 	struct usb_serial *serial = port->serial;
 	unsigned int cflag = port->tty->termios->c_cflag;
diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c
index 17e2056..73d755d 100644
--- a/drivers/usb/serial/kl5kusb105.c
+++ b/drivers/usb/serial/kl5kusb105.c
@@ -86,7 +86,7 @@
 
 static void klsi_105_read_bulk_callback  (struct urb *urb);
 static void klsi_105_set_termios         (struct usb_serial_port *port,
-					  struct termios * old);
+					  struct ktermios *old);
 static int  klsi_105_ioctl	         (struct usb_serial_port *port,
 					  struct file * file,
 					  unsigned int cmd,
@@ -164,7 +164,7 @@
 #define URB_TRANSFER_BUFFER_SIZE	64
 struct klsi_105_private {
 	struct klsi_105_port_settings	cfg;
-	struct termios			termios;
+	struct ktermios			termios;
 	unsigned long			line_state; /* modem line settings */
 	/* write pool */
 	struct urb *			write_urb_pool[NUM_URBS];
@@ -688,7 +688,7 @@
 
 
 static void klsi_105_set_termios (struct usb_serial_port *port,
-				  struct termios *old_termios)
+				  struct ktermios *old_termios)
 {
 	struct klsi_105_private *priv = usb_get_serial_port_data(port);
 	unsigned int iflag = port->tty->termios->c_iflag;
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index 2372899..e284d6c 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -136,7 +136,7 @@
 	int cur_pos; // index of the next char to send in buf
 	__u16 device_type;
 	int line_state;
-	struct termios internal_termios;
+	struct ktermios internal_termios;
 };
 
 
@@ -624,11 +624,11 @@
 
 	switch (cmd) {
 	case TCGETS:   // 0x5401
-		if (!access_ok(VERIFY_WRITE, user_arg, sizeof(struct termios))) {
+		if (!access_ok(VERIFY_WRITE, user_arg, sizeof(struct ktermios))) {
 			dbg("%s - port %d Error in access_ok", __FUNCTION__, port->number);
 			return -EFAULT;
 		}
-		if (kernel_termios_to_user_termios((struct termios __user *)arg,
+		if (kernel_termios_to_user_termios((struct ktermios __user *)arg,
 						   &priv->internal_termios))
 			return -EFAULT;
 		return 0;
@@ -638,12 +638,12 @@
 			dbg("%s - port %d Error: port->tty->termios is NULL", __FUNCTION__, port->number);
 			return -ENOTTY;
 		}
-		if (!access_ok(VERIFY_READ, user_arg, sizeof(struct termios))) {
+		if (!access_ok(VERIFY_READ, user_arg, sizeof(struct ktermios))) {
 			dbg("%s - port %d Error in access_ok", __FUNCTION__, port->number);
 			return -EFAULT;
 		}
 		if (user_termios_to_kernel_termios(&priv->internal_termios,
-						   (struct termios __user *)arg))
+						   (struct ktermios __user *)arg))
 			return -EFAULT;
 		
 		settings = kzalloc(50, GFP_KERNEL);
diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index a906e50..38b1d17 100644
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -98,7 +98,7 @@
 					  struct file *filp);
 static void mct_u232_read_int_callback   (struct urb *urb);
 static void mct_u232_set_termios         (struct usb_serial_port *port,
-					  struct termios * old);
+					  struct ktermios * old);
 static int  mct_u232_ioctl	         (struct usb_serial_port *port,
 					  struct file * file,
 					  unsigned int cmd,
@@ -556,7 +556,7 @@
 } /* mct_u232_read_int_callback */
 
 static void mct_u232_set_termios (struct usb_serial_port *port,
-				  struct termios *old_termios)
+				  struct ktermios *old_termios)
 {
 	struct usb_serial *serial = port->serial;
 	struct mct_u232_private *priv = usb_get_serial_port_data(port);
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index 70f93b1..e55f4ed 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -1014,7 +1014,7 @@
  *      the specified new settings.
  */
 static void change_port_settings(struct moschip_port *mos7720_port,
-				 struct termios *old_termios)
+				 struct ktermios *old_termios)
 {
 	struct usb_serial_port *port;
 	struct usb_serial *serial;
@@ -1203,7 +1203,7 @@
  *	termios structure.
  */
 static void mos7720_set_termios(struct usb_serial_port *port,
-				struct termios *old_termios)
+				struct ktermios *old_termios)
 {
 	int status;
 	unsigned int cflag;
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 5432c63..8cc728a 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -1931,7 +1931,7 @@
  *****************************************************************************/
 
 static void mos7840_change_port_settings(struct moschip_port *mos7840_port,
-					 struct termios *old_termios)
+					 struct ktermios *old_termios)
 {
 	struct tty_struct *tty;
 	int baud;
@@ -2118,7 +2118,7 @@
  *****************************************************************************/
 
 static void mos7840_set_termios(struct usb_serial_port *port,
-				struct termios *old_termios)
+				struct ktermios *old_termios)
 {
 	int status;
 	unsigned int cflag;
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 130afbb..0ae4098 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -59,7 +59,7 @@
 static int  option_ioctl(struct usb_serial_port *port, struct file *file,
 			unsigned int cmd, unsigned long arg);
 static void option_set_termios(struct usb_serial_port *port,
-				struct termios *old);
+				struct ktermios *old);
 static void option_break_ctl(struct usb_serial_port *port, int break_state);
 static int  option_tiocmget(struct usb_serial_port *port, struct file *file);
 static int  option_tiocmset(struct usb_serial_port *port, struct file *file,
@@ -230,7 +230,7 @@
 }
 
 static void option_set_termios(struct usb_serial_port *port,
-			struct termios *old_termios)
+			struct ktermios *old_termios)
 {
 	dbg("%s", __FUNCTION__);
 
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index bc800c8..d124d78 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -455,7 +455,7 @@
 }
 
 static void pl2303_set_termios(struct usb_serial_port *port,
-			       struct termios *old_termios)
+			       struct ktermios *old_termios)
 {
 	struct usb_serial *serial = port->serial;
 	struct pl2303_private *priv = usb_get_serial_port_data(port);
@@ -687,7 +687,7 @@
 
 static int pl2303_open(struct usb_serial_port *port, struct file *filp)
 {
-	struct termios tmp_termios;
+	struct ktermios tmp_termios;
 	struct usb_serial *serial = port->serial;
 	struct pl2303_private *priv = usb_get_serial_port_data(port);
 	unsigned char *buf;
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index 4b5097f..6d8e91e 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -145,7 +145,7 @@
 }
 
 static void sierra_set_termios(struct usb_serial_port *port,
-			struct termios *old_termios)
+			struct ktermios *old_termios)
 {
 	dbg("%s", __FUNCTION__);
 
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index ae98d8c..f42eb9e 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -161,7 +161,7 @@
 static void ti_unthrottle(struct usb_serial_port *port);
 static int ti_ioctl(struct usb_serial_port *port, struct file *file, unsigned int cmd, unsigned long arg);
 static void ti_set_termios(struct usb_serial_port *port,
-	struct termios *old_termios);
+	struct ktermios *old_termios);
 static int ti_tiocmget(struct usb_serial_port *port, struct file *file);
 static int ti_tiocmset(struct usb_serial_port *port, struct file *file,
 	unsigned int set, unsigned int clear);
@@ -881,7 +881,7 @@
 
 
 static void ti_set_termios(struct usb_serial_port *port,
-	struct termios *old_termios)
+	struct ktermios *old_termios)
 {
 	struct ti_port *tport = usb_get_serial_port_data(port);
 	struct tty_struct *tty = port->tty;
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 3d5072f..716f680 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -397,7 +397,7 @@
 	return retval;
 }
 
-static void serial_set_termios (struct tty_struct *tty, struct termios * old)
+static void serial_set_termios (struct tty_struct *tty, struct ktermios * old)
 {
 	struct usb_serial_port *port = tty->driver_data;
 
diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c
index eef5eaa..b09f060 100644
--- a/drivers/usb/serial/visor.c
+++ b/drivers/usb/serial/visor.c
@@ -46,7 +46,7 @@
 static int  visor_calc_num_ports(struct usb_serial *serial);
 static void visor_shutdown	(struct usb_serial *serial);
 static int  visor_ioctl		(struct usb_serial_port *port, struct file * file, unsigned int cmd, unsigned long arg);
-static void visor_set_termios	(struct usb_serial_port *port, struct termios *old_termios);
+static void visor_set_termios	(struct usb_serial_port *port, struct ktermios *old_termios);
 static void visor_write_bulk_callback	(struct urb *urb);
 static void visor_read_bulk_callback	(struct urb *urb);
 static void visor_read_int_callback	(struct urb *urb);
@@ -916,7 +916,7 @@
 
 
 /* This function is all nice and good, but we don't change anything based on it :) */
-static void visor_set_termios (struct usb_serial_port *port, struct termios *old_termios)
+static void visor_set_termios (struct usb_serial_port *port, struct ktermios *old_termios)
 {
 	unsigned int cflag;
 
diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index 154c7d2..dc45e58 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -145,7 +145,7 @@
 static int  whiteheat_write		(struct usb_serial_port *port, const unsigned char *buf, int count);
 static int  whiteheat_write_room	(struct usb_serial_port *port);
 static int  whiteheat_ioctl		(struct usb_serial_port *port, struct file * file, unsigned int cmd, unsigned long arg);
-static void whiteheat_set_termios	(struct usb_serial_port *port, struct termios * old);
+static void whiteheat_set_termios	(struct usb_serial_port *port, struct ktermios * old);
 static int  whiteheat_tiocmget		(struct usb_serial_port *port, struct file *file);
 static int  whiteheat_tiocmset		(struct usb_serial_port *port, struct file *file, unsigned int set, unsigned int clear);
 static void whiteheat_break_ctl		(struct usb_serial_port *port, int break_state);
@@ -597,7 +597,7 @@
 static int whiteheat_open (struct usb_serial_port *port, struct file *filp)
 {
 	int		retval = 0;
-	struct termios	old_term;
+	struct ktermios	old_term;
 
 	dbg("%s - port %d", __FUNCTION__, port->number);
 
@@ -870,7 +870,7 @@
 }
 
 
-static void whiteheat_set_termios (struct usb_serial_port *port, struct termios *old_termios)
+static void whiteheat_set_termios (struct usb_serial_port *port, struct ktermios *old_termios)
 {
 	dbg("%s -port %d", __FUNCTION__, port->number);