X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fchar%2Fvme_scc.c;h=0e8234bd0e19b6d178658dcd6e698d9d6f217854;hb=ad6b646fe55c40ec193240b974561f0a3775d68d;hp=1718b3c481dbd944eb343b140801e930dd5cc355;hpb=2ab61b01110aa04cd853c619a74881e3225a5e24;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/char/vme_scc.c b/drivers/char/vme_scc.c
index 1718b3c481d..0e8234bd0e1 100644
--- a/drivers/char/vme_scc.c
+++ b/drivers/char/vme_scc.c
@@ -69,7 +69,7 @@ static void scc_disable_tx_interrupts(void * ptr);
 static void scc_enable_tx_interrupts(void * ptr);
 static void scc_disable_rx_interrupts(void * ptr);
 static void scc_enable_rx_interrupts(void * ptr);
-static int  scc_get_CD(void * ptr);
+static int  scc_carrier_raised(struct tty_port *port);
 static void scc_shutdown_port(void * ptr);
 static int scc_set_real_termios(void  *ptr);
 static void scc_hungup(void  *ptr);
@@ -100,7 +100,6 @@ static struct real_driver scc_real_driver = {
         scc_enable_tx_interrupts,
         scc_disable_rx_interrupts,
         scc_enable_rx_interrupts,
-        scc_get_CD,
         scc_shutdown_port,
         scc_set_real_termios,
         scc_chars_in_buffer,
@@ -129,6 +128,10 @@ static const struct tty_operations scc_ops = {
 	.break_ctl = scc_break_ctl,
 };
 
+static const struct tty_port_operations scc_port_ops = {
+	.carrier_raised = scc_carrier_raised,
+};
+
 /*----------------------------------------------------------------------------
  * vme_scc_init() and support functions
  *---------------------------------------------------------------------------*/
@@ -176,6 +179,8 @@ static void scc_init_portstructs(void)
 
 	for (i = 0; i < 2; i++) {
 		port = scc_ports + i;
+		tty_port_init(&port->gs.port);
+		port->gs.port.ops = &scc_port_ops;
 		port->gs.magic = SCC_MAGIC;
 		port->gs.close_delay = HZ/2;
 		port->gs.closing_wait = 30 * HZ;
@@ -624,10 +629,10 @@ static void scc_enable_rx_interrupts(void *ptr)
 }
 
 
-static int scc_get_CD(void *ptr)
+static int scc_carrier_raised(struct tty_port *port)
 {
-	struct scc_port *port = ptr;
-	unsigned channel = port->channel;
+	struct scc_port *sc = container_of(port, struct scc_port, gs.port);
+	unsigned channel = sc->channel;
 
 	return !!(scc_last_status_reg[channel] & SR_DCD);
 }
@@ -638,7 +643,7 @@ static void scc_shutdown_port(void *ptr)
 	struct scc_port *port = ptr;
 
 	port->gs.port.flags &= ~ GS_ACTIVE;
-	if (port->gs.port.tty && port->gs.port.tty->termios->c_cflag & HUPCL) {
+	if (port->gs.port.tty && (port->gs.port.tty->termios->c_cflag & HUPCL)) {
 		scc_setsignals (port, 0, 0);
 	}
 }
@@ -779,7 +784,7 @@ static void scc_setsignals(struct scc_port *port, int dtr, int rts)
 
 static void scc_send_xchar(struct tty_struct *tty, char ch)
 {
-	struct scc_port *port = (struct scc_port *)tty->driver_data;
+	struct scc_port *port = tty->driver_data;
 
 	port->x_char = ch;
 	if (ch)
@@ -896,7 +901,7 @@ static int scc_open (struct tty_struct * tty, struct file * filp)
 		return retval;
 	}
 
-	port->c_dcd = scc_get_CD (port);
+	port->c_dcd = tty_port_carrier_raised(&port->gs.port);
 
 	scc_enable_rx_interrupts(port);
 
@@ -906,7 +911,7 @@ static int scc_open (struct tty_struct * tty, struct file * filp)
 
 static void scc_throttle (struct tty_struct * tty)
 {
-	struct scc_port *port = (struct scc_port *)tty->driver_data;
+	struct scc_port *port = tty->driver_data;
 	unsigned long	flags;
 	SCC_ACCESS_INIT(port);
 
@@ -922,7 +927,7 @@ static void scc_throttle (struct tty_struct * tty)
 
 static void scc_unthrottle (struct tty_struct * tty)
 {
-	struct scc_port *port = (struct scc_port *)tty->driver_data;
+	struct scc_port *port = tty->driver_data;
 	unsigned long	flags;
 	SCC_ACCESS_INIT(port);
 
@@ -945,7 +950,7 @@ static int scc_ioctl(struct tty_struct *tty, struct file *file,
 
 static int scc_break_ctl(struct tty_struct *tty, int break_state)
 {
-	struct scc_port *port = (struct scc_port *)tty->driver_data;
+	struct scc_port *port = tty->driver_data;
 	unsigned long	flags;
 	SCC_ACCESS_INIT(port);