diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
index 46a0b586d234..1577eba6fe0e 100644
--- a/drivers/char/pcmcia/synclink_cs.c
+++ b/drivers/char/pcmcia/synclink_cs.c
@@ -378,7 +378,7 @@ static void async_mode(MGSLPC_INFO *info);
 static void tx_timeout(struct timer_list *t);
 
 static bool carrier_raised(struct tty_port *port);
-static void dtr_rts(struct tty_port *port, bool onoff);
+static void dtr_rts(struct tty_port *port, bool active);
 
 #if SYNCLINK_GENERIC_HDLC
 #define dev_to_port(D) (dev_to_hdlc(D)->priv)
@@ -2442,13 +2442,13 @@ static bool carrier_raised(struct tty_port *port)
 	return info->serial_signals & SerialSignal_DCD;
 }
 
-static void dtr_rts(struct tty_port *port, bool onoff)
+static void dtr_rts(struct tty_port *port, bool active)
 {
 	MGSLPC_INFO *info = container_of(port, MGSLPC_INFO, port);
 	unsigned long flags;
 
 	spin_lock_irqsave(&info->lock, flags);
-	if (onoff)
+	if (active)
 		info->serial_signals |= SerialSignal_RTS | SerialSignal_DTR;
 	else
 		info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR);
diff --git a/drivers/mmc/core/sdio_uart.c b/drivers/mmc/core/sdio_uart.c
index c6b4b2b2a4b2..50536fe59f1a 100644
--- a/drivers/mmc/core/sdio_uart.c
+++ b/drivers/mmc/core/sdio_uart.c
@@ -542,20 +542,20 @@ static bool uart_carrier_raised(struct tty_port *tport)
 /**
  *	uart_dtr_rts		-	 port helper to set uart signals
  *	@tport: tty port to be updated
- *	@onoff: set to turn on DTR/RTS
+ *	@active: set to turn on DTR/RTS
  *
  *	Called by the tty port helpers when the modem signals need to be
  *	adjusted during an open, close and hangup.
  */
 
-static void uart_dtr_rts(struct tty_port *tport, bool onoff)
+static void uart_dtr_rts(struct tty_port *tport, bool active)
 {
 	struct sdio_uart_port *port =
 			container_of(tport, struct sdio_uart_port, port);
 	int ret = sdio_uart_claim_func(port);
 	if (ret)
 		return;
-	if (!onoff)
+	if (!active)
 		sdio_uart_clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
 	else
 		sdio_uart_set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
diff --git a/drivers/staging/greybus/uart.c b/drivers/staging/greybus/uart.c
index 92d49740d5a4..20a34599859f 100644
--- a/drivers/staging/greybus/uart.c
+++ b/drivers/staging/greybus/uart.c
@@ -701,7 +701,7 @@ static int gb_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
 	return -ENOIOCTLCMD;
 }
 
-static void gb_tty_dtr_rts(struct tty_port *port, bool on)
+static void gb_tty_dtr_rts(struct tty_port *port, bool active)
 {
 	struct gb_tty *gb_tty;
 	u8 newctrl;
@@ -709,7 +709,7 @@ static void gb_tty_dtr_rts(struct tty_port *port, bool on)
 	gb_tty = container_of(port, struct gb_tty, port);
 	newctrl = gb_tty->ctrlout;
 
-	if (on)
+	if (active)
 		newctrl |= (GB_UART_CTRL_DTR | GB_UART_CTRL_RTS);
 	else
 		newctrl &= ~(GB_UART_CTRL_DTR | GB_UART_CTRL_RTS);
diff --git a/drivers/tty/amiserial.c b/drivers/tty/amiserial.c
index 29d4c554f6b8..d7515d61659e 100644
--- a/drivers/tty/amiserial.c
+++ b/drivers/tty/amiserial.c
@@ -1459,13 +1459,13 @@ static bool amiga_carrier_raised(struct tty_port *port)
 	return !(ciab.pra & SER_DCD);
 }
 
-static void amiga_dtr_rts(struct tty_port *port, bool raise)
+static void amiga_dtr_rts(struct tty_port *port, bool active)
 {
 	struct serial_state *info = container_of(port, struct serial_state,
 			tport);
 	unsigned long flags;
 
-	if (raise)
+	if (active)
 		info->MCR |= SER_DTR|SER_RTS;
 	else
 		info->MCR &= ~(SER_DTR|SER_RTS);
diff --git a/drivers/tty/hvc/hvc_console.h b/drivers/tty/hvc/hvc_console.h
index 6d3428bf868f..9668f821db01 100644
--- a/drivers/tty/hvc/hvc_console.h
+++ b/drivers/tty/hvc/hvc_console.h
@@ -66,7 +66,7 @@ struct hv_ops {
 	int (*tiocmset)(struct hvc_struct *hp, unsigned int set, unsigned int clear);
 
 	/* Callbacks to handle tty ports */
-	void (*dtr_rts)(struct hvc_struct *hp, bool raise);
+	void (*dtr_rts)(struct hvc_struct *hp, bool active);
 };
 
 /* Register a vterm and a slot index for use as a console (console_init) */
diff --git a/drivers/tty/hvc/hvc_iucv.c b/drivers/tty/hvc/hvc_iucv.c
index fe862a6882d6..543f35ddf523 100644
--- a/drivers/tty/hvc/hvc_iucv.c
+++ b/drivers/tty/hvc/hvc_iucv.c
@@ -658,13 +658,13 @@ static void hvc_iucv_notifier_hangup(struct hvc_struct *hp, int id)
 /**
  * hvc_iucv_dtr_rts() - HVC notifier for handling DTR/RTS
  * @hp:		Pointer the HVC device (struct hvc_struct)
- * @raise:	True to raise or false to lower DTR/RTS lines
+ * @active:	True to raise or false to lower DTR/RTS lines
  *
  * This routine notifies the HVC back-end to raise or lower DTR/RTS
  * lines.  Raising DTR/RTS is ignored.  Lowering DTR/RTS indicates to
  * drop the IUCV connection (similar to hang up the modem).
  */
-static void hvc_iucv_dtr_rts(struct hvc_struct *hp, bool raise)
+static void hvc_iucv_dtr_rts(struct hvc_struct *hp, bool active)
 {
 	struct hvc_iucv_private *priv;
 	struct iucv_path        *path;
@@ -672,7 +672,7 @@ static void hvc_iucv_dtr_rts(struct hvc_struct *hp, bool raise)
 	/* Raising the DTR/RTS is ignored as IUCV connections can be
 	 * established at any times.
 	 */
-	if (raise)
+	if (active)
 		return;
 
 	priv = hvc_iucv_get_private(hp->vtermno);
diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c
index d4fb11e39bb1..ef3116e87975 100644
--- a/drivers/tty/mxser.c
+++ b/drivers/tty/mxser.c
@@ -465,7 +465,7 @@ static bool mxser_carrier_raised(struct tty_port *port)
 	return inb(mp->ioaddr + UART_MSR) & UART_MSR_DCD;
 }
 
-static void mxser_dtr_rts(struct tty_port *port, bool on)
+static void mxser_dtr_rts(struct tty_port *port, bool active)
 {
 	struct mxser_port *mp = container_of(port, struct mxser_port, port);
 	unsigned long flags;
@@ -473,7 +473,7 @@ static void mxser_dtr_rts(struct tty_port *port, bool on)
 
 	spin_lock_irqsave(&mp->slock, flags);
 	mcr = inb(mp->ioaddr + UART_MCR);
-	if (on)
+	if (active)
 		mcr |= UART_MCR_DTR | UART_MCR_RTS;
 	else
 		mcr &= ~(UART_MCR_DTR | UART_MCR_RTS);
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 8dd0d6441c42..4f29b00f2645 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -3792,11 +3792,11 @@ static bool gsm_carrier_raised(struct tty_port *port)
 	return dlci->modem_rx & TIOCM_CD;
 }
 
-static void gsm_dtr_rts(struct tty_port *port, bool onoff)
+static void gsm_dtr_rts(struct tty_port *port, bool active)
 {
 	struct gsm_dlci *dlci = container_of(port, struct gsm_dlci, port);
 	unsigned int modem_tx = dlci->modem_tx;
-	if (onoff)
+	if (active)
 		modem_tx |= TIOCM_DTR | TIOCM_RTS;
 	else
 		modem_tx &= ~(TIOCM_DTR | TIOCM_RTS);
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index b8fff667d4f0..da4e4e8a2b50 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -169,9 +169,9 @@ uart_update_mctrl(struct uart_port *port, unsigned int set, unsigned int clear)
 #define uart_set_mctrl(port, set)	uart_update_mctrl(port, set, 0)
 #define uart_clear_mctrl(port, clear)	uart_update_mctrl(port, 0, clear)
 
-static void uart_port_dtr_rts(struct uart_port *uport, bool raise)
+static void uart_port_dtr_rts(struct uart_port *uport, bool active)
 {
-	if (raise)
+	if (active)
 		uart_set_mctrl(uport, TIOCM_DTR | TIOCM_RTS);
 	else
 		uart_clear_mctrl(uport, TIOCM_DTR | TIOCM_RTS);
@@ -1885,7 +1885,7 @@ static bool uart_carrier_raised(struct tty_port *port)
 	return mctrl & TIOCM_CAR;
 }
 
-static void uart_dtr_rts(struct tty_port *port, bool raise)
+static void uart_dtr_rts(struct tty_port *port, bool active)
 {
 	struct uart_state *state = container_of(port, struct uart_state, port);
 	struct uart_port *uport;
@@ -1893,7 +1893,7 @@ static void uart_dtr_rts(struct tty_port *port, bool raise)
 	uport = uart_port_ref(state);
 	if (!uport)
 		return;
-	uart_port_dtr_rts(uport, raise);
+	uart_port_dtr_rts(uport, active);
 	uart_port_deref(uport);
 }
 
diff --git a/drivers/tty/synclink_gt.c b/drivers/tty/synclink_gt.c
index 2b786265ce7b..33f258d6fef9 100644
--- a/drivers/tty/synclink_gt.c
+++ b/drivers/tty/synclink_gt.c
@@ -3138,13 +3138,13 @@ static bool carrier_raised(struct tty_port *port)
 	return info->signals & SerialSignal_DCD;
 }
 
-static void dtr_rts(struct tty_port *port, bool on)
+static void dtr_rts(struct tty_port *port, bool active)
 {
 	unsigned long flags;
 	struct slgt_info *info = container_of(port, struct slgt_info, port);
 
 	spin_lock_irqsave(&info->lock,flags);
-	if (on)
+	if (active)
 		info->signals |= SerialSignal_RTS | SerialSignal_DTR;
 	else
 		info->signals &= ~(SerialSignal_RTS | SerialSignal_DTR);
diff --git a/include/linux/tty_port.h b/include/linux/tty_port.h
index c44e489de0ff..edf685a24f7c 100644
--- a/include/linux/tty_port.h
+++ b/include/linux/tty_port.h
@@ -16,7 +16,7 @@ struct tty_struct;
 /**
  * struct tty_port_operations -- operations on tty_port
  * @carrier_raised: return true if the carrier is raised on @port
- * @dtr_rts: raise the DTR line if @raise is true, otherwise lower DTR
+ * @dtr_rts: raise the DTR line if @active is true, otherwise lower DTR
  * @shutdown: called when the last close completes or a hangup finishes IFF the
  *	port was initialized. Do not use to free resources. Turn off the device
  *	only. Called under the port mutex to serialize against @activate and
@@ -32,7 +32,7 @@ struct tty_struct;
  */
 struct tty_port_operations {
 	bool (*carrier_raised)(struct tty_port *port);
-	void (*dtr_rts)(struct tty_port *port, bool raise);
+	void (*dtr_rts)(struct tty_port *port, bool active);
 	void (*shutdown)(struct tty_port *port);
 	int (*activate)(struct tty_port *port, struct tty_struct *tty);
 	void (*destruct)(struct tty_port *port);
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index bad343c5e8a7..33afd9f3ebbe 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -292,7 +292,7 @@ struct usb_serial_driver {
 			struct serial_icounter_struct *icount);
 	/* Called by the tty layer for port level work. There may or may not
 	   be an attached tty at this point */
-	void (*dtr_rts)(struct usb_serial_port *port, bool on);
+	void (*dtr_rts)(struct usb_serial_port *port, bool active);
 	bool (*carrier_raised)(struct usb_serial_port *port);
 	/* Called by the usb serial hooks to allow the user to rework the
 	   termios state */
