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Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/amiserial.c8
-rw-r--r--drivers/tty/moxa.c4
-rw-r--r--drivers/tty/mxser.c12
-rw-r--r--drivers/tty/n_tty.c8
-rw-r--r--drivers/tty/pty.c4
-rw-r--r--drivers/tty/serial/arc_uart.c2
-rw-r--r--drivers/tty/serial/dz.c2
-rw-r--r--drivers/tty/synclink_gt.c6
-rw-r--r--drivers/tty/tty_io.c24
-rw-r--r--drivers/tty/tty_ioctl.c16
-rw-r--r--drivers/tty/tty_port.c2
-rw-r--r--drivers/tty/vt/keyboard.c2
-rw-r--r--drivers/tty/vt/vt.c4
13 files changed, 47 insertions, 47 deletions
diff --git a/drivers/tty/amiserial.c b/drivers/tty/amiserial.c
index ca48ce5a0862..a4b8876091d2 100644
--- a/drivers/tty/amiserial.c
+++ b/drivers/tty/amiserial.c
@@ -148,7 +148,7 @@ static __inline__ void rtsdtr_ctrl(int bits)
* ------------------------------------------------------------
* rs_stop() and rs_start()
*
- * This routines are called before setting or resetting tty->stopped.
+ * This routines are called before setting or resetting tty->flow.stopped.
* They enable or disable transmitter interrupts, as necessary.
* ------------------------------------------------------------
*/
@@ -309,7 +309,7 @@ static void transmit_chars(struct serial_state *info)
return;
}
if (info->xmit.head == info->xmit.tail
- || info->tport.tty->stopped
+ || info->tport.tty->flow.stopped
|| info->tport.tty->hw_stopped) {
info->IER &= ~UART_IER_THRI;
custom.intena = IF_TBE;
@@ -768,7 +768,7 @@ static void rs_flush_chars(struct tty_struct *tty)
unsigned long flags;
if (info->xmit.head == info->xmit.tail
- || tty->stopped
+ || tty->flow.stopped
|| tty->hw_stopped
|| !info->xmit.buf)
return;
@@ -812,7 +812,7 @@ static int rs_write(struct tty_struct * tty, const unsigned char *buf, int count
local_irq_restore(flags);
if (info->xmit.head != info->xmit.tail
- && !tty->stopped
+ && !tty->flow.stopped
&& !tty->hw_stopped
&& !(info->IER & UART_IER_THRI)) {
info->IER |= UART_IER_THRI;
diff --git a/drivers/tty/moxa.c b/drivers/tty/moxa.c
index 4d4f15b5cd29..847ad3dac107 100644
--- a/drivers/tty/moxa.c
+++ b/drivers/tty/moxa.c
@@ -1221,7 +1221,7 @@ static int moxa_write_room(struct tty_struct *tty)
{
struct moxa_port *ch;
- if (tty->stopped)
+ if (tty->flow.stopped)
return 0;
ch = tty->driver_data;
if (ch == NULL)
@@ -1374,7 +1374,7 @@ static int moxa_poll_port(struct moxa_port *p, unsigned int handle,
clear_bit(EMPTYWAIT, &p->statusflags);
tty_wakeup(tty);
}
- if (test_bit(LOWWAIT, &p->statusflags) && !tty->stopped &&
+ if (test_bit(LOWWAIT, &p->statusflags) && !tty->flow.stopped &&
MoxaPortTxQueue(p) <= WAKEUP_CHARS) {
clear_bit(LOWWAIT, &p->statusflags);
tty_wakeup(tty);
diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c
index 16a852ecbe8a..85271e109014 100644
--- a/drivers/tty/mxser.c
+++ b/drivers/tty/mxser.c
@@ -1118,7 +1118,7 @@ static int mxser_write(struct tty_struct *tty, const unsigned char *buf, int cou
total += c;
}
- if (info->xmit_cnt && !tty->stopped) {
+ if (info->xmit_cnt && !tty->flow.stopped) {
if (!tty->hw_stopped ||
(info->type == PORT_16550A) ||
(info->board->chip_flag)) {
@@ -1149,7 +1149,7 @@ static int mxser_put_char(struct tty_struct *tty, unsigned char ch)
info->xmit_head &= SERIAL_XMIT_SIZE - 1;
info->xmit_cnt++;
spin_unlock_irqrestore(&info->slock, flags);
- if (!tty->stopped) {
+ if (!tty->flow.stopped) {
if (!tty->hw_stopped ||
(info->type == PORT_16550A) ||
info->board->chip_flag) {
@@ -1169,7 +1169,7 @@ static void mxser_flush_chars(struct tty_struct *tty)
struct mxser_port *info = tty->driver_data;
unsigned long flags;
- if (info->xmit_cnt <= 0 || tty->stopped || !info->port.xmit_buf ||
+ if (info->xmit_cnt <= 0 || tty->flow.stopped || !info->port.xmit_buf ||
(tty->hw_stopped && info->type != PORT_16550A &&
!info->board->chip_flag))
return;
@@ -1917,7 +1917,7 @@ static void mxser_unthrottle(struct tty_struct *tty)
/*
* mxser_stop() and mxser_start()
*
- * This routines are called before setting or resetting tty->stopped.
+ * This routines are called before setting or resetting tty->flow.stopped.
* They enable or disable transmitter interrupts, as necessary.
*/
static void mxser_stop(struct tty_struct *tty)
@@ -1963,7 +1963,7 @@ static void mxser_set_termios(struct tty_struct *tty, struct ktermios *old_termi
/* Handle sw stopped */
if ((old_termios->c_iflag & IXON) && !I_IXON(tty)) {
- tty->stopped = 0;
+ tty->flow.stopped = 0;
if (info->board->chip_flag) {
spin_lock_irqsave(&info->slock, flags);
@@ -2175,7 +2175,7 @@ static void mxser_transmit_chars(struct tty_struct *tty, struct mxser_port *port
if (port->port.xmit_buf == NULL)
return;
- if (port->xmit_cnt <= 0 || tty->stopped ||
+ if (port->xmit_cnt <= 0 || tty->flow.stopped ||
(tty->hw_stopped &&
(port->type != PORT_16550A) &&
(!port->board->chip_flag))) {
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index c32318da5190..3566bb577eb0 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -1289,7 +1289,7 @@ static void n_tty_receive_char_special(struct tty_struct *tty, unsigned char c)
}
}
- if (tty->stopped && !tty->flow_stopped && I_IXON(tty) && I_IXANY(tty)) {
+ if (tty->flow.stopped && !tty->flow.tco_stopped && I_IXON(tty) && I_IXANY(tty)) {
start_tty(tty);
process_echoes(tty);
}
@@ -1398,7 +1398,7 @@ static void n_tty_receive_char(struct tty_struct *tty, unsigned char c)
{
struct n_tty_data *ldata = tty->disc_data;
- if (tty->stopped && !tty->flow_stopped && I_IXON(tty) && I_IXANY(tty)) {
+ if (tty->flow.stopped && !tty->flow.tco_stopped && I_IXON(tty) && I_IXANY(tty)) {
start_tty(tty);
process_echoes(tty);
}
@@ -1427,7 +1427,7 @@ static void n_tty_receive_char_closing(struct tty_struct *tty, unsigned char c)
if (c == STOP_CHAR(tty))
stop_tty(tty);
else if (c == START_CHAR(tty) ||
- (tty->stopped && !tty->flow_stopped && I_IXANY(tty) &&
+ (tty->flow.stopped && !tty->flow.tco_stopped && I_IXANY(tty) &&
c != INTR_CHAR(tty) && c != QUIT_CHAR(tty) &&
c != SUSP_CHAR(tty))) {
start_tty(tty);
@@ -1797,7 +1797,7 @@ static void n_tty_set_termios(struct tty_struct *tty, struct ktermios *old)
* Fix tty hang when I_IXON(tty) is cleared, but the tty
* been stopped by STOP_CHAR(tty) before it.
*/
- if (!I_IXON(tty) && old && (old->c_iflag & IXON) && !tty->flow_stopped) {
+ if (!I_IXON(tty) && old && (old->c_iflag & IXON) && !tty->flow.tco_stopped) {
start_tty(tty);
process_echoes(tty);
}
diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
index 9b5d4ae5d8f2..017f28150a32 100644
--- a/drivers/tty/pty.c
+++ b/drivers/tty/pty.c
@@ -113,7 +113,7 @@ static int pty_write(struct tty_struct *tty, const unsigned char *buf, int c)
struct tty_struct *to = tty->link;
unsigned long flags;
- if (tty->stopped)
+ if (tty->flow.stopped)
return 0;
if (c > 0) {
@@ -138,7 +138,7 @@ static int pty_write(struct tty_struct *tty, const unsigned char *buf, int c)
static int pty_write_room(struct tty_struct *tty)
{
- if (tty->stopped)
+ if (tty->flow.stopped)
return 0;
return tty_buffer_space_avail(tty->link->port);
}
diff --git a/drivers/tty/serial/arc_uart.c b/drivers/tty/serial/arc_uart.c
index 1a9444b6b57e..596217d10d5c 100644
--- a/drivers/tty/serial/arc_uart.c
+++ b/drivers/tty/serial/arc_uart.c
@@ -149,7 +149,7 @@ static unsigned int arc_serial_tx_empty(struct uart_port *port)
/*
* Driver internal routine, used by both tty(serial core) as well as tx-isr
* -Called under spinlock in either cases
- * -also tty->stopped has already been checked
+ * -also tty->flow.stopped has already been checked
* = by uart_start( ) before calling us
* = tx_ist checks that too before calling
*/
diff --git a/drivers/tty/serial/dz.c b/drivers/tty/serial/dz.c
index 4552742c3859..6d91e9b6284d 100644
--- a/drivers/tty/serial/dz.c
+++ b/drivers/tty/serial/dz.c
@@ -115,7 +115,7 @@ static void dz_out(struct dz_port *dport, unsigned offset, u16 value)
* rs_stop () and rs_start ()
*
* These routines are called before setting or resetting
- * tty->stopped. They enable or disable transmitter interrupts,
+ * tty->flow.stopped. They enable or disable transmitter interrupts,
* as necessary.
* ------------------------------------------------------------
*/
diff --git a/drivers/tty/synclink_gt.c b/drivers/tty/synclink_gt.c
index 5523cf7bd1c2..1555dccc28af 100644
--- a/drivers/tty/synclink_gt.c
+++ b/drivers/tty/synclink_gt.c
@@ -768,7 +768,7 @@ static int write(struct tty_struct *tty,
if (!info->tx_buf || (count > info->max_frame_size))
return -EIO;
- if (!count || tty->stopped || tty->hw_stopped)
+ if (!count || tty->flow.stopped || tty->hw_stopped)
return 0;
spin_lock_irqsave(&info->lock, flags);
@@ -889,7 +889,7 @@ static void flush_chars(struct tty_struct *tty)
return;
DBGINFO(("%s flush_chars entry tx_count=%d\n", info->device_name, info->tx_count));
- if (info->tx_count <= 0 || tty->stopped ||
+ if (info->tx_count <= 0 || tty->flow.stopped ||
tty->hw_stopped || !info->tx_buf)
return;
@@ -2241,7 +2241,7 @@ static void isr_txeom(struct slgt_info *info, unsigned short status)
else
#endif
{
- if (info->port.tty && (info->port.tty->stopped || info->port.tty->hw_stopped)) {
+ if (info->port.tty && (info->port.tty->flow.stopped || info->port.tty->hw_stopped)) {
tx_stop(info);
return;
}
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 5b5e99604989..9734be2eb00e 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -778,14 +778,14 @@ EXPORT_SYMBOL(tty_hung_up_p);
* but not always.
*
* Locking:
- * flow_lock
+ * flow.lock
*/
void __stop_tty(struct tty_struct *tty)
{
- if (tty->stopped)
+ if (tty->flow.stopped)
return;
- tty->stopped = 1;
+ tty->flow.stopped = true;
if (tty->ops->stop)
tty->ops->stop(tty);
}
@@ -794,9 +794,9 @@ void stop_tty(struct tty_struct *tty)
{
unsigned long flags;
- spin_lock_irqsave(&tty->flow_lock, flags);
+ spin_lock_irqsave(&tty->flow.lock, flags);
__stop_tty(tty);
- spin_unlock_irqrestore(&tty->flow_lock, flags);
+ spin_unlock_irqrestore(&tty->flow.lock, flags);
}
EXPORT_SYMBOL(stop_tty);
@@ -809,14 +809,14 @@ EXPORT_SYMBOL(stop_tty);
* start method is invoked and the line discipline woken.
*
* Locking:
- * flow_lock
+ * flow.lock
*/
void __start_tty(struct tty_struct *tty)
{
- if (!tty->stopped || tty->flow_stopped)
+ if (!tty->flow.stopped || tty->flow.tco_stopped)
return;
- tty->stopped = 0;
+ tty->flow.stopped = false;
if (tty->ops->start)
tty->ops->start(tty);
tty_wakeup(tty);
@@ -826,9 +826,9 @@ void start_tty(struct tty_struct *tty)
{
unsigned long flags;
- spin_lock_irqsave(&tty->flow_lock, flags);
+ spin_lock_irqsave(&tty->flow.lock, flags);
__start_tty(tty);
- spin_unlock_irqrestore(&tty->flow_lock, flags);
+ spin_unlock_irqrestore(&tty->flow.lock, flags);
}
EXPORT_SYMBOL(start_tty);
@@ -1172,7 +1172,7 @@ ssize_t redirected_tty_write(struct kiocb *iocb, struct iov_iter *iter)
int tty_send_xchar(struct tty_struct *tty, char ch)
{
- int was_stopped = tty->stopped;
+ bool was_stopped = tty->flow.stopped;
if (tty->ops->send_xchar) {
down_read(&tty->termios_rwsem);
@@ -3141,7 +3141,7 @@ struct tty_struct *alloc_tty_struct(struct tty_driver *driver, int idx)
INIT_WORK(&tty->hangup_work, do_tty_hangup);
mutex_init(&tty->atomic_write_lock);
spin_lock_init(&tty->ctrl_lock);
- spin_lock_init(&tty->flow_lock);
+ spin_lock_init(&tty->flow.lock);
spin_lock_init(&tty->files_lock);
INIT_LIST_HEAD(&tty->tty_files);
INIT_WORK(&tty->SAK_work, do_SAK_work);
diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c
index 41f7449d0464..07c88ccfb17a 100644
--- a/drivers/tty/tty_ioctl.c
+++ b/drivers/tty/tty_ioctl.c
@@ -846,20 +846,20 @@ int n_tty_ioctl_helper(struct tty_struct *tty, struct file *file,
return retval;
switch (arg) {
case TCOOFF:
- spin_lock_irq(&tty->flow_lock);
- if (!tty->flow_stopped) {
- tty->flow_stopped = 1;
+ spin_lock_irq(&tty->flow.lock);
+ if (!tty->flow.tco_stopped) {
+ tty->flow.tco_stopped = true;
__stop_tty(tty);
}
- spin_unlock_irq(&tty->flow_lock);
+ spin_unlock_irq(&tty->flow.lock);
break;
case TCOON:
- spin_lock_irq(&tty->flow_lock);
- if (tty->flow_stopped) {
- tty->flow_stopped = 0;
+ spin_lock_irq(&tty->flow.lock);
+ if (tty->flow.tco_stopped) {
+ tty->flow.tco_stopped = false;
__start_tty(tty);
}
- spin_unlock_irq(&tty->flow_lock);
+ spin_unlock_irq(&tty->flow.lock);
break;
case TCIOFF:
if (STOP_CHAR(tty) != __DISABLED_CHAR)
diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c
index 303c198fbf5c..0eb523207828 100644
--- a/drivers/tty/tty_port.c
+++ b/drivers/tty/tty_port.c
@@ -587,7 +587,7 @@ int tty_port_close_start(struct tty_port *port,
if (tty_port_initialized(port)) {
/* Don't block on a stalled port, just pull the chain */
- if (tty->flow_stopped)
+ if (tty->flow.tco_stopped)
tty_driver_flush_buffer(tty);
if (port->closing_wait != ASYNC_CLOSING_WAIT_NONE)
tty_wait_until_sent(tty, port->closing_wait);
diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c
index 5d2309742718..4b0d69042ceb 100644
--- a/drivers/tty/vt/keyboard.c
+++ b/drivers/tty/vt/keyboard.c
@@ -515,7 +515,7 @@ static void fn_hold(struct vc_data *vc)
* these routines are also activated by ^S/^Q.
* (And SCROLLOCK can also be set by the ioctl KDSKBLED.)
*/
- if (tty->stopped)
+ if (tty->flow.stopped)
start_tty(tty);
else
stop_tty(tty);
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index e5040bdadcd6..38c677fb6505 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2888,7 +2888,7 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co
param.vc = vc;
- while (!tty->stopped && count) {
+ while (!tty->flow.stopped && count) {
int orig = *buf;
buf++;
n++;
@@ -3265,7 +3265,7 @@ static int con_put_char(struct tty_struct *tty, unsigned char ch)
static int con_write_room(struct tty_struct *tty)
{
- if (tty->stopped)
+ if (tty->flow.stopped)
return 0;
return 32768; /* No limit, really; we're not buffering */
}