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path: root/drivers/tty/serial/68328serial.c
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Diffstat (limited to 'drivers/tty/serial/68328serial.c')
-rw-r--r--drivers/tty/serial/68328serial.c52
1 files changed, 14 insertions, 38 deletions
diff --git a/drivers/tty/serial/68328serial.c b/drivers/tty/serial/68328serial.c
index be0ebce36e5..d5bfd41707e 100644
--- a/drivers/tty/serial/68328serial.c
+++ b/drivers/tty/serial/68328serial.c
@@ -262,7 +262,7 @@ static void status_handle(struct m68k_serial *info, unsigned short status)
static void receive_chars(struct m68k_serial *info, unsigned short rx)
{
- struct tty_struct *tty = info->port.tty;
+ struct tty_struct *tty = info->tty;
m68328_uart *uart = &uart_addr[info->line];
unsigned char ch, flag;
@@ -329,7 +329,7 @@ static void transmit_chars(struct m68k_serial *info)
goto clear_and_return;
}
- if((info->xmit_cnt <= 0) || info->port.tty->stopped) {
+ if((info->xmit_cnt <= 0) || info->tty->stopped) {
/* That's peculiar... TX ints off */
uart->ustcnt &= ~USTCNT_TX_INTR_MASK;
goto clear_and_return;
@@ -383,7 +383,7 @@ static void do_softint(struct work_struct *work)
struct m68k_serial *info = container_of(work, struct m68k_serial, tqueue);
struct tty_struct *tty;
- tty = info->port.tty;
+ tty = info->tty;
if (!tty)
return;
#if 0
@@ -393,28 +393,6 @@ static void do_softint(struct work_struct *work)
#endif
}
-/*
- * This routine is called from the scheduler tqueue when the interrupt
- * routine has signalled that a hangup has occurred. The path of
- * hangup processing is:
- *
- * serial interrupt routine -> (scheduler tqueue) ->
- * do_serial_hangup() -> tty->hangup() -> rs_hangup()
- *
- */
-static void do_serial_hangup(struct work_struct *work)
-{
- struct m68k_serial *info = container_of(work, struct m68k_serial, tqueue_hangup);
- struct tty_struct *tty;
-
- tty = info->port.tty;
- if (!tty)
- return;
-
- tty_hangup(tty);
-}
-
-
static int startup(struct m68k_serial * info)
{
m68328_uart *uart = &uart_addr[info->line];
@@ -451,8 +429,8 @@ static int startup(struct m68k_serial * info)
uart->ustcnt = USTCNT_UEN | USTCNT_RXEN | USTCNT_RX_INTR_MASK;
#endif
- if (info->port.tty)
- clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
+ if (info->tty)
+ clear_bit(TTY_IO_ERROR, &info->tty->flags);
info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
/*
@@ -486,8 +464,8 @@ static void shutdown(struct m68k_serial * info)
info->xmit_buf = 0;
}
- if (info->port.tty)
- set_bit(TTY_IO_ERROR, &info->port.tty->flags);
+ if (info->tty)
+ set_bit(TTY_IO_ERROR, &info->tty->flags);
info->flags &= ~S_INITIALIZED;
local_irq_restore(flags);
@@ -553,9 +531,9 @@ static void change_speed(struct m68k_serial *info)
unsigned cflag;
int i;
- if (!info->port.tty || !info->port.tty->termios)
+ if (!info->tty || !info->tty->termios)
return;
- cflag = info->port.tty->termios->c_cflag;
+ cflag = info->tty->termios->c_cflag;
if (!(port = info->port))
return;
@@ -967,10 +945,9 @@ static void send_break(struct m68k_serial * info, unsigned int duration)
local_irq_restore(flags);
}
-static int rs_ioctl(struct tty_struct *tty, struct file * file,
+static int rs_ioctl(struct tty_struct *tty,
unsigned int cmd, unsigned long arg)
{
- int error;
struct m68k_serial * info = (struct m68k_serial *)tty->driver_data;
int retval;
@@ -1104,7 +1081,7 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
tty_ldisc_flush(tty);
tty->closing = 0;
info->event = 0;
- info->port.tty = NULL;
+ info->tty = NULL;
#warning "This is not and has never been valid so fix it"
#if 0
if (tty->ldisc.num != ldiscs[N_TTY].num) {
@@ -1142,7 +1119,7 @@ void rs_hangup(struct tty_struct *tty)
info->event = 0;
info->count = 0;
info->flags &= ~S_NORMAL_ACTIVE;
- info->port.tty = NULL;
+ info->tty = NULL;
wake_up_interruptible(&info->open_wait);
}
@@ -1261,7 +1238,7 @@ int rs_open(struct tty_struct *tty, struct file * filp)
info->count++;
tty->driver_data = info;
- info->port.tty = tty;
+ info->tty = tty;
/*
* Start up serial port
@@ -1338,7 +1315,7 @@ rs68328_init(void)
info = &m68k_soft[i];
info->magic = SERIAL_MAGIC;
info->port = (int) &uart_addr[i];
- info->port.tty = NULL;
+ info->tty = NULL;
info->irq = uart_irqs[i];
info->custom_divisor = 16;
info->close_delay = 50;
@@ -1348,7 +1325,6 @@ rs68328_init(void)
info->count = 0;
info->blocked_open = 0;
INIT_WORK(&info->tqueue, do_softint);
- INIT_WORK(&info->tqueue_hangup, do_serial_hangup);
init_waitqueue_head(&info->open_wait);
init_waitqueue_head(&info->close_wait);
info->line = i;