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tty: add more tty_port fields 

Move more bits into the tty_port structure

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alan Cox 2008-07-16 21:57:18 +01:00 committed by Linus Torvalds
parent 593573bc55
commit 44b7d1b37f
18 changed files with 170 additions and 199 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
drivers/char/cyclades.c
View File

@ -2677,8 +2677,8 @@ static void cy_close(struct tty_struct *tty, struct file *filp)
*/
tty->closing = 1;
spin_unlock_irqrestore(&card->card_lock, flags);
if (info->closing_wait != CY_CLOSING_WAIT_NONE)
tty_wait_until_sent(tty, info->closing_wait);
if (info->port.closing_wait != CY_CLOSING_WAIT_NONE)
tty_wait_until_sent(tty, info->port.closing_wait);
spin_lock_irqsave(&card->card_lock, flags);
@ -2734,9 +2734,9 @@ static void cy_close(struct tty_struct *tty, struct file *filp)
info->port.tty = NULL;
if (info->port.blocked_open) {
spin_unlock_irqrestore(&card->card_lock, flags);
if (info->close_delay) {
if (info->port.close_delay) {
msleep_interruptible(jiffies_to_msecs
(info->close_delay));
(info->port.close_delay));
}
wake_up_interruptible(&info->port.open_wait);
spin_lock_irqsave(&card->card_lock, flags);
@ -3382,8 +3382,8 @@ get_serial_info(struct cyclades_port *info,
cinfo->first_line;
tmp.irq = cinfo->irq;
tmp.flags = info->port.flags;
tmp.close_delay = info->close_delay;
tmp.closing_wait = info->closing_wait;
tmp.close_delay = info->port.close_delay;
tmp.closing_wait = info->port.closing_wait;
tmp.baud_base = info->baud;
tmp.custom_divisor = info->custom_divisor;
tmp.hub6 = 0; /*!!! */
@ -3402,7 +3402,7 @@ set_serial_info(struct cyclades_port *info,
old_info = *info;
if (!capable(CAP_SYS_ADMIN)) {
if (new_serial.close_delay != info->close_delay ||
if (new_serial.close_delay != info->port.close_delay ||
new_serial.baud_base != info->baud ||
(new_serial.flags & ASYNC_FLAGS &
~ASYNC_USR_MASK) !=
@ -3424,8 +3424,8 @@ set_serial_info(struct cyclades_port *info,
info->custom_divisor = new_serial.custom_divisor;
info->port.flags = (info->port.flags & ~ASYNC_FLAGS) |
(new_serial.flags & ASYNC_FLAGS);
info->close_delay = new_serial.close_delay * HZ / 100;
info->closing_wait = new_serial.closing_wait * HZ / 100;
info->port.close_delay = new_serial.close_delay * HZ / 100;
info->port.closing_wait = new_serial.closing_wait * HZ / 100;
check_and_exit:
if (info->port.flags & ASYNC_INITIALIZED) {
@ -3971,11 +3971,11 @@ cy_ioctl(struct tty_struct *tty, struct file *file,
break;
#endif /* CONFIG_CYZ_INTR */
case CYSETWAIT:
info->closing_wait = (unsigned short)arg * HZ / 100;
info->port.closing_wait = (unsigned short)arg * HZ / 100;
ret_val = 0;
break;
case CYGETWAIT:
ret_val = info->closing_wait / (HZ / 100);
ret_val = info->port.closing_wait / (HZ / 100);
break;
case TIOCGSERIAL:
ret_val = get_serial_info(info, argp);
@ -4376,13 +4376,13 @@ static int __devinit cy_init_card(struct cyclades_card *cinfo)
for (port = cinfo->first_line; port < cinfo->first_line + nports;
port++) {
info = &cinfo->ports[port - cinfo->first_line];
tty_port_init(&info->port);
info->magic = CYCLADES_MAGIC;
info->card = cinfo;
info->line = port;
info->closing_wait = CLOSING_WAIT_DELAY;
info->close_delay = 5 * HZ / 10;
tty_port_init(&info->port);
info->port.closing_wait = CLOSING_WAIT_DELAY;
info->port.close_delay = 5 * HZ / 10;
info->port.flags = STD_COM_FLAGS;
init_completion(&info->shutdown_wait);
init_waitqueue_head(&info->delta_msr_wait);

28
drivers/char/isicom.c
View File

@ -199,10 +199,8 @@ struct isi_board {
struct isi_port {
unsigned short magic;
struct tty_port port;
int close_delay;
u16 channel;
u16 status;
u16 closing_wait;
struct isi_board *card;
unsigned char *xmit_buf;
int xmit_head;
@ -1051,8 +1049,8 @@ static void isicom_close(struct tty_struct *tty, struct file *filp)
tty->closing = 1;
spin_unlock_irqrestore(&card->card_lock, flags);
if (port->closing_wait != ASYNC_CLOSING_WAIT_NONE)
tty_wait_until_sent(tty, port->closing_wait);
if (port->port.closing_wait != ASYNC_CLOSING_WAIT_NONE)
tty_wait_until_sent(tty, port->port.closing_wait);
/* indicate to the card that no more data can be received
on this port */
spin_lock_irqsave(&card->card_lock, flags);
@ -1071,10 +1069,10 @@ static void isicom_close(struct tty_struct *tty, struct file *filp)
if (port->port.blocked_open) {
spin_unlock_irqrestore(&card->card_lock, flags);
if (port->close_delay) {
if (port->port.close_delay) {
pr_dbg("scheduling until time out.\n");
msleep_interruptible(
jiffies_to_msecs(port->close_delay));
jiffies_to_msecs(port->port.close_delay));
}
spin_lock_irqsave(&card->card_lock, flags);
wake_up_interruptible(&port->port.open_wait);
@ -1256,8 +1254,8 @@ static int isicom_set_serial_info(struct isi_port *port,
(newinfo.flags & ASYNC_SPD_MASK));
if (!capable(CAP_SYS_ADMIN)) {
if ((newinfo.close_delay != port->close_delay) ||
(newinfo.closing_wait != port->closing_wait) ||
if ((newinfo.close_delay != port->port.close_delay) ||
(newinfo.closing_wait != port->port.closing_wait) ||
((newinfo.flags & ~ASYNC_USR_MASK) !=
(port->port.flags & ~ASYNC_USR_MASK))) {
unlock_kernel();
@ -1266,8 +1264,8 @@ static int isicom_set_serial_info(struct isi_port *port,
port->port.flags = ((port->port.flags & ~ASYNC_USR_MASK) |
(newinfo.flags & ASYNC_USR_MASK));
} else {
port->close_delay = newinfo.close_delay;
port->closing_wait = newinfo.closing_wait;
port->port.close_delay = newinfo.close_delay;
port->port.closing_wait = newinfo.closing_wait;
port->port.flags = ((port->port.flags & ~ASYNC_FLAGS) |
(newinfo.flags & ASYNC_FLAGS));
}
@ -1294,8 +1292,8 @@ static int isicom_get_serial_info(struct isi_port *port,
out_info.irq = port->card->irq;
out_info.flags = port->port.flags;
/* out_info.baud_base = ? */
out_info.close_delay = port->close_delay;
out_info.closing_wait = port->closing_wait;
out_info.close_delay = port->port.close_delay;
out_info.closing_wait = port->port.closing_wait;
unlock_kernel();
if (copy_to_user(info, &out_info, sizeof(out_info)))
return -EFAULT;
@ -1804,13 +1802,13 @@ static int __init isicom_init(void)
isi_card[idx].ports = port;
spin_lock_init(&isi_card[idx].card_lock);
for (channel = 0; channel < 16; channel++, port++) {
tty_port_init(&port->port);
port->magic = ISICOM_MAGIC;
port->card = &isi_card[idx];
port->channel = channel;
port->close_delay = 50 * HZ/100;
port->closing_wait = 3000 * HZ/100;
port->port.close_delay = 50 * HZ/100;
port->port.closing_wait = 3000 * HZ/100;
port->status = 0;
tty_port_init(&port->port);
/* . . . */
}
isi_card[idx].base = 0;

10
drivers/char/moxa.c
View File

@ -135,7 +135,6 @@ struct moxa_port {
void __iomem *tableAddr;
int type;
int close_delay;
int cflag;
unsigned long statusflags;
@ -822,10 +821,9 @@ static int moxa_init_board(struct moxa_board_conf *brd, struct device *dev)
}
for (i = 0, p = brd->ports; i < MAX_PORTS_PER_BOARD; i++, p++) {
p->type = PORT_16550A;
p->close_delay = 5 * HZ / 10;
p->cflag = B9600 | CS8 | CREAD | CLOCAL | HUPCL;
tty_port_init(&p->port);
p->type = PORT_16550A;
p->cflag = B9600 | CS8 | CREAD | CLOCAL | HUPCL;
}
switch (brd->boardType) {
@ -2124,7 +2122,7 @@ static int moxa_get_serial_info(struct moxa_port *info,
.line = info->port.tty->index,
.flags = info->port.flags,
.baud_base = 921600,
.close_delay = info->close_delay
.close_delay = info->port.close_delay
};
return copy_to_user(retinfo, &tmp, sizeof(*retinfo)) ? -EFAULT : 0;
}
@ -2148,7 +2146,7 @@ static int moxa_set_serial_info(struct moxa_port *info,
(info->port.flags & ~ASYNC_USR_MASK)))
return -EPERM;
} else
info->close_delay = new_serial.close_delay * HZ / 100;
info->port.close_delay = new_serial.close_delay * HZ / 100;
new_serial.flags = (new_serial.flags & ~ASYNC_FLAGS);
new_serial.flags |= (info->port.flags & ASYNC_FLAGS);

29
drivers/char/mxser.c
View File

@ -243,10 +243,7 @@ struct mxser_port {
unsigned char ldisc_stop_rx;
int custom_divisor;
int close_delay;
unsigned short closing_wait;
unsigned char err_shadow;
unsigned long event;
struct async_icount icount; /* kernel counters for 4 input interrupts */
int timeout;
@ -1199,8 +1196,8 @@ static void mxser_close(struct tty_struct *tty, struct file *filp)
* the line discipline to only process XON/XOFF characters.
*/
tty->closing = 1;
if (info->closing_wait != ASYNC_CLOSING_WAIT_NONE)
tty_wait_until_sent(tty, info->closing_wait);
if (info->port.closing_wait != ASYNC_CLOSING_WAIT_NONE)
tty_wait_until_sent(tty, info->port.closing_wait);
/*
* At this point we stop accepting input. To do this, we
* disable the receive line status interrupts, and tell the
@ -1231,11 +1228,10 @@ static void mxser_close(struct tty_struct *tty, struct file *filp)
tty_ldisc_flush(tty);
tty->closing = 0;
info->event = 0;
info->port.tty = NULL;
if (info->port.blocked_open) {
if (info->close_delay)
schedule_timeout_interruptible(info->close_delay);
if (info->port.close_delay)
schedule_timeout_interruptible(info->port.close_delay);
wake_up_interruptible(&info->port.open_wait);
}
@ -1370,8 +1366,8 @@ static int mxser_get_serial_info(struct mxser_port *info,
.irq = info->board->irq,
.flags = info->port.flags,
.baud_base = info->baud_base,
.close_delay = info->close_delay,
.closing_wait = info->closing_wait,
.close_delay = info->port.close_delay,
.closing_wait = info->port.closing_wait,
.custom_divisor = info->custom_divisor,
.hub6 = 0
};
@ -1402,7 +1398,7 @@ static int mxser_set_serial_info(struct mxser_port *info,
if (!capable(CAP_SYS_ADMIN)) {
if ((new_serial.baud_base != info->baud_base) ||
(new_serial.close_delay != info->close_delay) ||
(new_serial.close_delay != info->port.close_delay) ||
((new_serial.flags & ~ASYNC_USR_MASK) != (info->port.flags & ~ASYNC_USR_MASK)))
return -EPERM;
info->port.flags = ((info->port.flags & ~ASYNC_USR_MASK) |
@ -1414,8 +1410,8 @@ static int mxser_set_serial_info(struct mxser_port *info,
*/
info->port.flags = ((info->port.flags & ~ASYNC_FLAGS) |
(new_serial.flags & ASYNC_FLAGS));
info->close_delay = new_serial.close_delay * HZ / 100;
info->closing_wait = new_serial.closing_wait * HZ / 100;
info->port.close_delay = new_serial.close_delay * HZ / 100;
info->port.closing_wait = new_serial.closing_wait * HZ / 100;
info->port.tty->low_latency =
(info->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0;
info->port.tty->low_latency = 0;
@ -2214,7 +2210,6 @@ static void mxser_hangup(struct tty_struct *tty)
mxser_flush_buffer(tty);
mxser_shutdown(info);
info->event = 0;
info->port.count = 0;
info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
info->port.tty = NULL;
@ -2545,6 +2540,7 @@ static int __devinit mxser_initbrd(struct mxser_board *brd,
for (i = 0; i < brd->info->nports; i++) {
info = &brd->ports[i];
tty_port_init(&info->port);
info->board = brd;
info->stop_rx = 0;
info->ldisc_stop_rx = 0;
@ -2559,10 +2555,9 @@ static int __devinit mxser_initbrd(struct mxser_board *brd,
process_txrx_fifo(info);
info->custom_divisor = info->baud_base * 16;
info->close_delay = 5 * HZ / 10;
info->closing_wait = 30 * HZ;
info->port.close_delay = 5 * HZ / 10;
info->port.closing_wait = 30 * HZ;
info->normal_termios = mxvar_sdriver->init_termios;
tty_port_init(&info->port);
init_waitqueue_head(&info->delta_msr_wait);
memset(&info->mon_data, 0, sizeof(struct mxser_mon));
info->err_shadow = 0;

24
drivers/char/riscom8.c
View File

@ -1032,8 +1032,8 @@ static void rc_close(struct tty_struct *tty, struct file *filp)
* the line discipline to only process XON/XOFF characters.
*/
tty->closing = 1;
if (port->closing_wait != ASYNC_CLOSING_WAIT_NONE)
tty_wait_until_sent(tty, port->closing_wait);
if (port->port.closing_wait != ASYNC_CLOSING_WAIT_NONE)
tty_wait_until_sent(tty, port->port.closing_wait);
/*
* At this point we stop accepting input. To do this, we
* disable the receive line status interrupts, and tell the
@ -1065,8 +1065,8 @@ static void rc_close(struct tty_struct *tty, struct file *filp)
tty->closing = 0;
port->port.tty = NULL;
if (port->port.blocked_open) {
if (port->close_delay)
msleep_interruptible(jiffies_to_msecs(port->close_delay));
if (port->port.close_delay)
msleep_interruptible(jiffies_to_msecs(port->port.close_delay));
wake_up_interruptible(&port->port.open_wait);
}
port->port.flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING);
@ -1295,8 +1295,8 @@ static int rc_set_serial_info(struct riscom_port *port,
(tmp.flags & ASYNC_SPD_MASK));
if (!capable(CAP_SYS_ADMIN)) {
if ((tmp.close_delay != port->close_delay) ||
(tmp.closing_wait != port->closing_wait) ||
if ((tmp.close_delay != port->port.close_delay) ||
(tmp.closing_wait != port->port.closing_wait) ||
((tmp.flags & ~ASYNC_USR_MASK) !=
(port->port.flags & ~ASYNC_USR_MASK)))
return -EPERM;
@ -1305,8 +1305,8 @@ static int rc_set_serial_info(struct riscom_port *port,
} else {
port->port.flags = ((port->port.flags & ~ASYNC_FLAGS) |
(tmp.flags & ASYNC_FLAGS));
port->close_delay = tmp.close_delay;
port->closing_wait = tmp.closing_wait;
port->port.close_delay = tmp.close_delay;
port->port.closing_wait = tmp.closing_wait;
}
if (change_speed) {
unsigned long flags;
@ -1331,8 +1331,8 @@ static int rc_get_serial_info(struct riscom_port *port,
tmp.irq = bp->irq;
tmp.flags = port->port.flags;
tmp.baud_base = (RC_OSCFREQ + CD180_TPC/2) / CD180_TPC;
tmp.close_delay = port->close_delay * HZ/100;
tmp.closing_wait = port->closing_wait * HZ/100;
tmp.close_delay = port->port.close_delay * HZ/100;
tmp.closing_wait = port->port.closing_wait * HZ/100;
tmp.xmit_fifo_size = CD180_NFIFO;
return copy_to_user(retinfo, &tmp, sizeof(tmp)) ? -EFAULT : 0;
}
@ -1549,10 +1549,8 @@ static int __init rc_init_drivers(void)
}
memset(rc_port, 0, sizeof(rc_port));
for (i = 0; i < RC_NPORT * RC_NBOARD; i++) {
rc_port[i].magic = RISCOM8_MAGIC;
rc_port[i].close_delay = 50 * HZ / 100;
rc_port[i].closing_wait = 3000 * HZ / 100;
tty_port_init(&rc_port[i].port);
rc_port[i].magic = RISCOM8_MAGIC;
}
return 0;
}

2
drivers/char/riscom8.h
View File

@ -69,14 +69,12 @@ struct riscom_port {
struct tty_port port;
int baud_base;
int timeout;
int close_delay;
int custom_divisor;
int xmit_head;
int xmit_tail;
int xmit_cnt;
short wakeup_chars;
short break_length;
unsigned short closing_wait;
unsigned char mark_mask;
unsigned char IER;
unsigned char MSVR;

23
drivers/char/rocket.c
View File

@ -72,6 +72,7 @@
#include <linux/tty.h>
#include <linux/tty_driver.h>
#include <linux/tty_flip.h>
#include <linux/serial.h>
#include <linux/string.h>
#include <linux/fcntl.h>
#include <linux/ptrace.h>
@ -81,7 +82,7 @@
#include <linux/completion.h>
#include <linux/wait.h>
#include <linux/pci.h>
#include <asm/uaccess.h>
#include <linux/uaccess.h>
#include <asm/atomic.h>
#include <asm/unaligned.h>
#include <linux/bitops.h>
@ -648,8 +649,8 @@ static void init_r_port(int board, int aiop, int chan, struct pci_dev *pci_dev)
info->board = board;
info->aiop = aiop;
info->chan = chan;
info->closing_wait = 3000;
info->close_delay = 50;
info->port.closing_wait = 3000;
info->port.close_delay = 50;
init_waitqueue_head(&info->port.open_wait);
init_completion(&info->close_wait);
info->flags &= ~ROCKET_MODE_MASK;
@ -1137,8 +1138,8 @@ static void rp_close(struct tty_struct *tty, struct file *filp)
/*
* Wait for the transmit buffer to clear
*/
if (info->closing_wait != ROCKET_CLOSING_WAIT_NONE)
tty_wait_until_sent(tty, info->closing_wait);
if (info->port.closing_wait != ROCKET_CLOSING_WAIT_NONE)
tty_wait_until_sent(tty, info->port.closing_wait);
/*
* Before we drop DTR, make sure the UART transmitter
* has completely drained; this is especially
@ -1168,8 +1169,8 @@ static void rp_close(struct tty_struct *tty, struct file *filp)
clear_bit((info->aiop * 8) + info->chan, (void *) &xmit_flags[info->board]);
if (info->port.blocked_open) {
if (info->close_delay) {
msleep_interruptible(jiffies_to_msecs(info->close_delay));
if (info->port.close_delay) {
msleep_interruptible(jiffies_to_msecs(info->port.close_delay));
}
wake_up_interruptible(&info->port.open_wait);
} else {
@ -1327,8 +1328,8 @@ static int get_config(struct r_port *info, struct rocket_config __user *retinfo)
memset(&tmp, 0, sizeof (tmp));
tmp.line = info->line;
tmp.flags = info->flags;
tmp.close_delay = info->close_delay;
tmp.closing_wait = info->closing_wait;
tmp.close_delay = info->port.close_delay;
tmp.closing_wait = info->port.closing_wait;
tmp.port = rcktpt_io_addr[(info->line >> 5) & 3];
if (copy_to_user(retinfo, &tmp, sizeof (*retinfo)))
@ -1353,8 +1354,8 @@ static int set_config(struct r_port *info, struct rocket_config __user *new_info
}
info->flags = ((info->flags & ~ROCKET_FLAGS) | (new_serial.flags & ROCKET_FLAGS));
info->close_delay = new_serial.close_delay;
info->closing_wait = new_serial.closing_wait;
info->port.close_delay = new_serial.close_delay;
info->port.closing_wait = new_serial.closing_wait;
if ((info->flags & ROCKET_SPD_MASK) == ROCKET_SPD_HI)
info->port.tty->alt_speed = 57600;

4
drivers/char/rocket.h
View File

@ -64,8 +64,8 @@ struct rocket_version {
/*
* For closing_wait and closing_wait2
*/
#define ROCKET_CLOSING_WAIT_NONE 65535
#define ROCKET_CLOSING_WAIT_INF 0
#define ROCKET_CLOSING_WAIT_NONE ASYNC_CLOSING_WAIT_NONE
#define ROCKET_CLOSING_WAIT_INF ASYNC_CLOSING_WAIT_INF
/*
* Rocketport ioctls -- "RP"

2
drivers/char/rocket_int.h
View File

@ -1133,8 +1133,6 @@ struct r_port {
unsigned int chan:3;
CONTROLLER_t *ctlp;
CHANNEL_t channel;
int closing_wait;
int close_delay;
int intmask;
int xmit_fifo_room; /* room in xmit fifo */
unsigned char *xmit_buf;

153
drivers/char/specialix.c
View File

@ -608,9 +608,9 @@ static inline struct specialix_port * sx_get_port(struct specialix_board * bp,
dprintk (SX_DEBUG_CHAN, "channel: %d\n", channel);
if (channel < CD186x_NCH) {
port = &sx_port[board_No(bp) * SX_NPORT + channel];
dprintk (SX_DEBUG_CHAN, "port: %d %p flags: 0x%x\n",board_No(bp) * SX_NPORT + channel, port, port->flags & ASYNC_INITIALIZED);
dprintk (SX_DEBUG_CHAN, "port: %d %p flags: 0x%lx\n",board_No(bp) * SX_NPORT + channel, port, port->port.flags & ASYNC_INITIALIZED);
if (port->flags & ASYNC_INITIALIZED) {
if (port->port.flags & ASYNC_INITIALIZED) {
dprintk (SX_DEBUG_CHAN, "port: %d %p\n", channel, port);
func_exit();
return port;
@ -637,7 +637,7 @@ static inline void sx_receive_exc(struct specialix_board * bp)
func_exit();
return;
}
tty = port->tty;
tty = port->port.tty;
status = sx_in(bp, CD186x_RCSR);
@ -673,7 +673,7 @@ static inline void sx_receive_exc(struct specialix_board * bp)
dprintk(SX_DEBUG_RX, "sx%d: port %d: Handling break...\n",
board_No(bp), port_No(port));
flag = TTY_BREAK;
if (port->flags & ASYNC_SAK)
if (port->port.flags & ASYNC_SAK)
do_SAK(tty);
} else if (status & RCSR_PE)
@ -707,7 +707,7 @@ static inline void sx_receive(struct specialix_board * bp)
func_exit();
return;
}
tty = port->tty;
tty = port->port.tty;
count = sx_in(bp, CD186x_RDCR);
dprintk (SX_DEBUG_RX, "port: %p: count: %d\n", port, count);
@ -734,7 +734,7 @@ static inline void sx_transmit(struct specialix_board * bp)
return;
}
dprintk (SX_DEBUG_TX, "port: %p\n", port);
tty = port->tty;
tty = port->port.tty;
if (port->IER & IER_TXEMPTY) {
/* FIFO drained */
@ -811,7 +811,7 @@ static inline void sx_check_modem(struct specialix_board * bp)
if (!(port = sx_get_port(bp, "Modem")))
return;
tty = port->tty;
tty = port->port.tty;
mcr = sx_in(bp, CD186x_MCR);
printk ("mcr = %02x.\n", mcr);
@ -821,7 +821,7 @@ static inline void sx_check_modem(struct specialix_board * bp)
msvr_cd = sx_in(bp, CD186x_MSVR) & MSVR_CD;
if (msvr_cd) {
dprintk (SX_DEBUG_SIGNALS, "Waking up guys in open.\n");
wake_up_interruptible(&port->open_wait);
wake_up_interruptible(&port->port.open_wait);
} else {
dprintk (SX_DEBUG_SIGNALS, "Sending HUP.\n");
tty_hangup(tty);
@ -1030,7 +1030,7 @@ static void sx_change_speed(struct specialix_board *bp, struct specialix_port *p
func_enter();
if (!(tty = port->tty) || !tty->termios) {
if (!(tty = port->port.tty) || !tty->termios) {
func_exit();
return;
}
@ -1052,9 +1052,9 @@ static void sx_change_speed(struct specialix_board *bp, struct specialix_port *p
baud = tty_get_baud_rate(tty);
if (baud == 38400) {
if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
if ((port->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
baud = 57600;
if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
if ((port->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
baud = 115200;
}
@ -1244,7 +1244,7 @@ static int sx_setup_port(struct specialix_board *bp, struct specialix_port *port
func_enter();
if (port->flags & ASYNC_INITIALIZED) {
if (port->port.flags & ASYNC_INITIALIZED) {
func_exit();
return 0;
}
@ -1268,12 +1268,12 @@ static int sx_setup_port(struct specialix_board *bp, struct specialix_port *port
spin_lock_irqsave(&port->lock, flags);
if (port->tty)
clear_bit(TTY_IO_ERROR, &port->tty->flags);
if (port->port.tty)
clear_bit(TTY_IO_ERROR, &port->port.tty->flags);
port->xmit_cnt = port->xmit_head = port->xmit_tail = 0;
sx_change_speed(bp, port);
port->flags |= ASYNC_INITIALIZED;
port->port.flags |= ASYNC_INITIALIZED;
spin_unlock_irqrestore(&port->lock, flags);
@ -1292,7 +1292,7 @@ static void sx_shutdown_port(struct specialix_board *bp, struct specialix_port *
func_enter();
if (!(port->flags & ASYNC_INITIALIZED)) {
if (!(port->port.flags & ASYNC_INITIALIZED)) {
func_exit();
return;
}
@ -1315,7 +1315,7 @@ static void sx_shutdown_port(struct specialix_board *bp, struct specialix_port *
spin_lock_irqsave(&bp->lock, flags);
sx_out(bp, CD186x_CAR, port_No(port));
if (!(tty = port->tty) || C_HUPCL(tty)) {
if (!(tty = port->port.tty) || C_HUPCL(tty)) {
/* Drop DTR */
sx_out(bp, CD186x_MSVDTR, 0);
}
@ -1330,7 +1330,7 @@ static void sx_shutdown_port(struct specialix_board *bp, struct specialix_port *
spin_unlock_irqrestore(&bp->lock, flags);
if (tty)
set_bit(TTY_IO_ERROR, &tty->flags);
port->flags &= ~ASYNC_INITIALIZED;
port->port.flags &= ~ASYNC_INITIALIZED;
if (!bp->count)
sx_shutdown_board(bp);
@ -1354,9 +1354,9 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
* If the device is in the middle of being closed, then block
* until it's done, and then try again.
*/
if (tty_hung_up_p(filp) || port->flags & ASYNC_CLOSING) {
interruptible_sleep_on(&port->close_wait);
if (port->flags & ASYNC_HUP_NOTIFY) {
if (tty_hung_up_p(filp) || port->port.flags & ASYNC_CLOSING) {
interruptible_sleep_on(&port->port.close_wait);
if (port->port.flags & ASYNC_HUP_NOTIFY) {
func_exit();
return -EAGAIN;
} else {
@ -1371,7 +1371,7 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
*/
if ((filp->f_flags & O_NONBLOCK) ||
(tty->flags & (1 << TTY_IO_ERROR))) {
port->flags |= ASYNC_NORMAL_ACTIVE;
port->port.flags |= ASYNC_NORMAL_ACTIVE;
func_exit();
return 0;
}
@ -1387,13 +1387,13 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
* exit, either normal or abnormal.
*/
retval = 0;
add_wait_queue(&port->open_wait, &wait);
add_wait_queue(&port->port.open_wait, &wait);
spin_lock_irqsave(&port->lock, flags);
if (!tty_hung_up_p(filp)) {
port->count--;
port->port.count--;
}
spin_unlock_irqrestore(&port->lock, flags);
port->blocked_open++;
port->port.blocked_open++;
while (1) {
spin_lock_irqsave(&bp->lock, flags);
sx_out(bp, CD186x_CAR, port_No(port));
@ -1410,14 +1410,14 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
spin_unlock_irqrestore(&bp->lock, flags);
set_current_state(TASK_INTERRUPTIBLE);
if (tty_hung_up_p(filp) ||
!(port->flags & ASYNC_INITIALIZED)) {
if (port->flags & ASYNC_HUP_NOTIFY)
!(port->port.flags & ASYNC_INITIALIZED)) {
if (port->port.flags & ASYNC_HUP_NOTIFY)
retval = -EAGAIN;
else
retval = -ERESTARTSYS;
break;
}
if (!(port->flags & ASYNC_CLOSING) &&
if (!(port->port.flags & ASYNC_CLOSING) &&
(do_clocal || CD))
break;
if (signal_pending(current)) {
@ -1428,19 +1428,19 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
}
set_current_state(TASK_RUNNING);
remove_wait_queue(&port->open_wait, &wait);
remove_wait_queue(&port->port.open_wait, &wait);
spin_lock_irqsave(&port->lock, flags);
if (!tty_hung_up_p(filp)) {
port->count++;
port->port.count++;
}
port->blocked_open--;
port->port.blocked_open--;
spin_unlock_irqrestore(&port->lock, flags);
if (retval) {
func_exit();
return retval;
}
port->flags |= ASYNC_NORMAL_ACTIVE;
port->port.flags |= ASYNC_NORMAL_ACTIVE;
func_exit();
return 0;
}
@ -1484,10 +1484,10 @@ static int sx_open(struct tty_struct * tty, struct file * filp)
}
spin_lock_irqsave(&bp->lock, flags);
port->count++;
port->port.count++;
bp->count++;
tty->driver_data = port;
port->tty = tty;
port->port.tty = tty;
spin_unlock_irqrestore(&bp->lock, flags);
if ((error = sx_setup_port(bp, port))) {
@ -1547,15 +1547,15 @@ static void sx_close(struct tty_struct * tty, struct file * filp)
}
bp = port_Board(port);
if ((tty->count == 1) && (port->count != 1)) {
if ((tty->count == 1) && (port->port.count != 1)) {
printk(KERN_ERR "sx%d: sx_close: bad port count;"
" tty->count is 1, port count is %d\n",
board_No(bp), port->count);
port->count = 1;
board_No(bp), port->port.count);
port->port.count = 1;
}
if (port->count > 1) {
port->count--;
if (port->port.count > 1) {
port->port.count--;
bp->count--;
spin_unlock_irqrestore(&port->lock, flags);
@ -1563,7 +1563,7 @@ static void sx_close(struct tty_struct * tty, struct file * filp)
func_exit();
return;
}
port->flags |= ASYNC_CLOSING;
port->port.flags |= ASYNC_CLOSING;
/*
* Now we wait for the transmit buffer to clear; and we notify
* the line discipline to only process XON/XOFF characters.
@ -1571,8 +1571,8 @@ static void sx_close(struct tty_struct * tty, struct file * filp)
tty->closing = 1;
spin_unlock_irqrestore(&port->lock, flags);
dprintk (SX_DEBUG_OPEN, "Closing\n");
if (port->closing_wait != ASYNC_CLOSING_WAIT_NONE) {
tty_wait_until_sent(tty, port->closing_wait);
if (port->port.closing_wait != ASYNC_CLOSING_WAIT_NONE) {
tty_wait_until_sent(tty, port->port.closing_wait);
}
/*
* At this point we stop accepting input. To do this, we
@ -1582,7 +1582,7 @@ static void sx_close(struct tty_struct * tty, struct file * filp)
*/
dprintk (SX_DEBUG_OPEN, "Closed\n");
port->IER &= ~IER_RXD;
if (port->flags & ASYNC_INITIALIZED) {
if (port->port.flags & ASYNC_INITIALIZED) {
port->IER &= ~IER_TXRDY;
port->IER |= IER_TXEMPTY;
spin_lock_irqsave(&bp->lock, flags);
@ -1611,10 +1611,10 @@ static void sx_close(struct tty_struct * tty, struct file * filp)
board_No(bp), bp->count, tty->index);
bp->count = 0;
}
if (--port->count < 0) {
if (--port->port.count < 0) {
printk(KERN_ERR "sx%d: sx_close: bad port count for tty%d: %d\n",
board_No(bp), port_No(port), port->count);
port->count = 0;
board_No(bp), port_No(port), port->port.count);
port->port.count = 0;
}
sx_shutdown_port(bp, port);
@ -1622,16 +1622,16 @@ static void sx_close(struct tty_struct * tty, struct file * filp)
tty_ldisc_flush(tty);
spin_lock_irqsave(&port->lock, flags);
tty->closing = 0;
port->tty = NULL;
port->port.tty = NULL;
spin_unlock_irqrestore(&port->lock, flags);
if (port->blocked_open) {
if (port->close_delay) {
msleep_interruptible(jiffies_to_msecs(port->close_delay));
if (port->port.blocked_open) {
if (port->port.close_delay) {
msleep_interruptible(jiffies_to_msecs(port->port.close_delay));
}
wake_up_interruptible(&port->open_wait);
wake_up_interruptible(&port->port.open_wait);
}
port->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING);
wake_up_interruptible(&port->close_wait);
port->port.flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING);
wake_up_interruptible(&port->port.close_wait);
func_exit();
}
@ -1815,7 +1815,7 @@ static int sx_tiocmget(struct tty_struct *tty, struct file *file)
dprintk (SX_DEBUG_INIT, "Got msvr[%d] = %02x, car = %d.\n",
port_No(port), status, sx_in (bp, CD186x_CAR));
dprintk (SX_DEBUG_INIT, "sx_port = %p, port = %p\n", sx_port, port);
if (SX_CRTSCTS(port->tty)) {
if (SX_CRTSCTS(port->port.tty)) {
result = /* (status & MSVR_RTS) ? */ TIOCM_DTR /* : 0) */
| ((status & MSVR_DTR) ? TIOCM_RTS : 0)
| ((status & MSVR_CD) ? TIOCM_CAR : 0)
@ -1857,7 +1857,7 @@ static int sx_tiocmset(struct tty_struct *tty, struct file *file,
/* if (set & TIOCM_DTR)
port->MSVR |= MSVR_DTR; */
if (SX_CRTSCTS(port->tty)) {
if (SX_CRTSCTS(port->port.tty)) {
if (set & TIOCM_RTS)
port->MSVR |= MSVR_DTR;
} else {
@ -1869,7 +1869,7 @@ static int sx_tiocmset(struct tty_struct *tty, struct file *file,
port->MSVR &= ~MSVR_RTS; */
/* if (clear & TIOCM_DTR)
port->MSVR &= ~MSVR_DTR; */
if (SX_CRTSCTS(port->tty)) {
if (SX_CRTSCTS(port->port.tty)) {
if (clear & TIOCM_RTS)
port->MSVR &= ~MSVR_DTR;
} else {
@ -1929,27 +1929,27 @@ static inline int sx_set_serial_info(struct specialix_port * port,
lock_kernel();
change_speed = ((port->flags & ASYNC_SPD_MASK) !=
change_speed = ((port->port.flags & ASYNC_SPD_MASK) !=
(tmp.flags & ASYNC_SPD_MASK));
change_speed |= (tmp.custom_divisor != port->custom_divisor);
if (!capable(CAP_SYS_ADMIN)) {
if ((tmp.close_delay != port->close_delay) ||
(tmp.closing_wait != port->closing_wait) ||
if ((tmp.close_delay != port->port.close_delay) ||
(tmp.closing_wait != port->port.closing_wait) ||
((tmp.flags & ~ASYNC_USR_MASK) !=
(port->flags & ~ASYNC_USR_MASK))) {
(port->port.flags & ~ASYNC_USR_MASK))) {
func_exit();
unlock_kernel();
return -EPERM;
}
port->flags = ((port->flags & ~ASYNC_USR_MASK) |
port->port.flags = ((port->port.flags & ~ASYNC_USR_MASK) |
(tmp.flags & ASYNC_USR_MASK));
port->custom_divisor = tmp.custom_divisor;
} else {
port->flags = ((port->flags & ~ASYNC_FLAGS) |
port->port.flags = ((port->port.flags & ~ASYNC_FLAGS) |
(tmp.flags & ASYNC_FLAGS));
port->close_delay = tmp.close_delay;
port->closing_wait = tmp.closing_wait;
port->port.close_delay = tmp.close_delay;
port->port.closing_wait = tmp.closing_wait;
port->custom_divisor = tmp.custom_divisor;
}
if (change_speed) {
@ -1975,10 +1975,10 @@ static inline int sx_get_serial_info(struct specialix_port * port,
tmp.line = port - sx_port;
tmp.port = bp->base;
tmp.irq = bp->irq;
tmp.flags = port->flags;
tmp.flags = port->port.flags;
tmp.baud_base = (SX_OSCFREQ + CD186x_TPC/2) / CD186x_TPC;
tmp.close_delay = port->close_delay * HZ/100;
tmp.closing_wait = port->closing_wait * HZ/100;
tmp.close_delay = port->port.close_delay * HZ/100;
tmp.closing_wait = port->port.closing_wait * HZ/100;
tmp.custom_divisor = port->custom_divisor;
tmp.xmit_fifo_size = CD186x_NFIFO;
unlock_kernel();
@ -2199,17 +2199,17 @@ static void sx_hangup(struct tty_struct * tty)
sx_shutdown_port(bp, port);
spin_lock_irqsave(&port->lock, flags);
bp->count -= port->count;
bp->count -= port->port.count;
if (bp->count < 0) {
printk(KERN_ERR "sx%d: sx_hangup: bad board count: %d port: %d\n",
board_No(bp), bp->count, tty->index);
bp->count = 0;
}
port->count = 0;
port->flags &= ~ASYNC_NORMAL_ACTIVE;
port->tty = NULL;
port->port.count = 0;
port->port.flags &= ~ASYNC_NORMAL_ACTIVE;
port->port.tty = NULL;
spin_unlock_irqrestore(&port->lock, flags);
wake_up_interruptible(&port->open_wait);
wake_up_interruptible(&port->port.open_wait);
func_exit();
}
@ -2224,10 +2224,6 @@ static void sx_set_termios(struct tty_struct * tty, struct ktermios * old_termio
if (sx_paranoia_check(port, tty->name, "sx_set_termios"))
return;
if (tty->termios->c_cflag == old_termios->c_cflag &&
tty->termios->c_iflag == old_termios->c_iflag)
return;
bp = port_Board(port);
spin_lock_irqsave(&port->lock, flags);
sx_change_speed(port_Board(port), port);
@ -2297,10 +2293,7 @@ static int sx_init_drivers(void)
memset(sx_port, 0, sizeof(sx_port));
for (i = 0; i < SX_NPORT * SX_NBOARD; i++) {
sx_port[i].magic = SPECIALIX_MAGIC;
sx_port[i].close_delay = 50 * HZ/100;
sx_port[i].closing_wait = 3000 * HZ/100;
init_waitqueue_head(&sx_port[i].open_wait);
init_waitqueue_head(&sx_port[i].close_wait);
tty_port_init(&sx_port[i].port);
spin_lock_init(&sx_port[i].lock);
}

8
drivers/char/specialix_io8.h
View File

@ -107,23 +107,17 @@ struct specialix_board {
struct specialix_port {
int magic;
struct tty_port port;
int baud_base;
int flags;
struct tty_struct * tty;
int count;
int blocked_open;
int timeout;
int close_delay;
unsigned char * xmit_buf;
int custom_divisor;
int xmit_head;
int xmit_tail;
int xmit_cnt;
wait_queue_head_t open_wait;
wait_queue_head_t close_wait;
short wakeup_chars;
short break_length;
unsigned short closing_wait;
unsigned char mark_mask;
unsigned char IER;
unsigned char MSVR;

2
drivers/char/sx.c
View File

@ -2395,6 +2395,7 @@ static int sx_init_portstructs(int nboards, int nports)
board->ports = port;
for (j = 0; j < boards[i].nports; j++) {
sx_dprintk(SX_DEBUG_INIT, "initing port %d\n", j);
tty_port_init(&port->gs.port);
port->gs.magic = SX_MAGIC;
port->gs.close_delay = HZ / 2;
port->gs.closing_wait = 30 * HZ;
@ -2407,7 +2408,6 @@ static int sx_init_portstructs(int nboards, int nports)
/*
* Initializing wait queue
*/
tty_port_init(&port->gs.port);
port++;
}
}

16
drivers/char/synclink.c
View File

@ -183,8 +183,6 @@ struct mgsl_struct {
struct tty_port port;
int line;
int hw_version;
unsigned short close_delay;
unsigned short closing_wait; /* time to wait before closing */
struct mgsl_icount icount;
@ -3142,11 +3140,11 @@ static void mgsl_close(struct tty_struct *tty, struct file * filp)
/* wait for transmit data to clear all layers */
if (info->closing_wait != ASYNC_CLOSING_WAIT_NONE) {
if (info->port.closing_wait != ASYNC_CLOSING_WAIT_NONE) {
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgsl_close(%s) calling tty_wait_until_sent\n",
__FILE__,__LINE__, info->device_name );
tty_wait_until_sent(tty, info->closing_wait);
tty_wait_until_sent(tty, info->port.closing_wait);
}
if (info->port.flags & ASYNC_INITIALIZED)
@ -3162,8 +3160,8 @@ static void mgsl_close(struct tty_struct *tty, struct file * filp)
info->port.tty = NULL;
if (info->port.blocked_open) {
if (info->close_delay) {
msleep_interruptible(jiffies_to_msecs(info->close_delay));
if (info->port.close_delay) {
msleep_interruptible(jiffies_to_msecs(info->port.close_delay));
}
wake_up_interruptible(&info->port.open_wait);
}
@ -4326,12 +4324,12 @@ static struct mgsl_struct* mgsl_allocate_device(void)
if (!info) {
printk("Error can't allocate device instance data\n");
} else {
tty_port_init(&info->port);
info->magic = MGSL_MAGIC;
INIT_WORK(&info->task, mgsl_bh_handler);
info->max_frame_size = 4096;
info->close_delay = 5*HZ/10;
info->closing_wait = 30*HZ;
tty_port_init(&info->port);
info->port.close_delay = 5*HZ/10;
info->port.closing_wait = 30*HZ;
init_waitqueue_head(&info->status_event_wait_q);
init_waitqueue_head(&info->event_wait_q);
spin_lock_init(&info->irq_spinlock);

16
drivers/char/synclink_gt.c
View File

@ -261,8 +261,6 @@ struct slgt_info {
struct slgt_info *port_array[SLGT_MAX_PORTS];
int line; /* tty line instance number */
unsigned short close_delay;
unsigned short closing_wait; /* time to wait before closing */
struct mgsl_icount icount;
@ -758,9 +756,9 @@ static void close(struct tty_struct *tty, struct file *filp)
/* wait for transmit data to clear all layers */
if (info->closing_wait != ASYNC_CLOSING_WAIT_NONE) {
if (info->port.closing_wait != ASYNC_CLOSING_WAIT_NONE) {
DBGINFO(("%s call tty_wait_until_sent\n", info->device_name));
tty_wait_until_sent(tty, info->closing_wait);
tty_wait_until_sent(tty, info->port.closing_wait);
}
if (info->port.flags & ASYNC_INITIALIZED)
@ -774,8 +772,8 @@ static void close(struct tty_struct *tty, struct file *filp)
info->port.tty = NULL;
if (info->port.blocked_open) {
if (info->close_delay) {
msleep_interruptible(jiffies_to_msecs(info->close_delay));
if (info->port.close_delay) {
msleep_interruptible(jiffies_to_msecs(info->port.close_delay));
}
wake_up_interruptible(&info->port.open_wait);
}
@ -3448,13 +3446,13 @@ static struct slgt_info *alloc_dev(int adapter_num, int port_num, struct pci_dev
DBGERR(("%s device alloc failed adapter=%d port=%d\n",
driver_name, adapter_num, port_num));
} else {
tty_port_init(&info->port);
info->magic = MGSL_MAGIC;
INIT_WORK(&info->task, bh_handler);
info->max_frame_size = 4096;
info->raw_rx_size = DMABUFSIZE;
info->close_delay = 5*HZ/10;
info->closing_wait = 30*HZ;
tty_port_init(&info->port);
info->port.close_delay = 5*HZ/10;
info->port.closing_wait = 30*HZ;
init_waitqueue_head(&info->status_event_wait_q);
init_waitqueue_head(&info->event_wait_q);
spin_lock_init(&info->netlock);

14
drivers/char/synclinkmp.c
View File

@ -846,11 +846,11 @@ static void close(struct tty_struct *tty, struct file *filp)
/* wait for transmit data to clear all layers */
if (info->closing_wait != ASYNC_CLOSING_WAIT_NONE) {
if (info->port.closing_wait != ASYNC_CLOSING_WAIT_NONE) {
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):%s close() calling tty_wait_until_sent\n",
__FILE__,__LINE__, info->device_name );
tty_wait_until_sent(tty, info->closing_wait);
tty_wait_until_sent(tty, info->port.closing_wait);
}
if (info->port.flags & ASYNC_INITIALIZED)
@ -866,8 +866,8 @@ static void close(struct tty_struct *tty, struct file *filp)
info->port.tty = NULL;
if (info->port.blocked_open) {
if (info->close_delay) {
msleep_interruptible(jiffies_to_msecs(info->close_delay));
if (info->port.close_delay) {
msleep_interruptible(jiffies_to_msecs(info->port.close_delay));
}
wake_up_interruptible(&info->port.open_wait);
}
@ -3802,12 +3802,12 @@ static SLMP_INFO *alloc_dev(int adapter_num, int port_num, struct pci_dev *pdev)
printk("%s(%d) Error can't allocate device instance data for adapter %d, port %d\n",
__FILE__,__LINE__, adapter_num, port_num);
} else {
tty_port_init(&info->port);
info->magic = MGSL_MAGIC;
INIT_WORK(&info->task, bh_handler);
info->max_frame_size = 4096;
info->close_delay = 5*HZ/10;
info->closing_wait = 30*HZ;
tty_port_init(&info->port);
info->port.close_delay = 5*HZ/10;
info->port.closing_wait = 30*HZ;
init_waitqueue_head(&info->status_event_wait_q);
init_waitqueue_head(&info->event_wait_q);
spin_lock_init(&info->netlock);

2
drivers/char/tty_io.c
View File

@ -2094,6 +2094,8 @@ void tty_port_init(struct tty_port *port)
init_waitqueue_head(&port->open_wait);
init_waitqueue_head(&port->close_wait);
mutex_init(&port->mutex);
port->close_delay = (50 * HZ) / 100;
port->closing_wait = (3000 * HZ) / 100;
}
EXPORT_SYMBOL(tty_port_init);

6
include/linux/cyclades.h
View File

@ -567,8 +567,6 @@ struct cyclades_port {
int chip_rev;
int custom_divisor;
u8 x_char; /* to be pushed out ASAP */
int close_delay;
unsigned short closing_wait;
int breakon;
int breakoff;
int xmit_head;
@ -586,8 +584,8 @@ struct cyclades_port {
};
#define CLOSING_WAIT_DELAY 30*HZ
#define CY_CLOSING_WAIT_NONE 65535
#define CY_CLOSING_WAIT_INF 0
#define CY_CLOSING_WAIT_NONE ASYNC_CLOSING_WAIT_NONE
#define CY_CLOSING_WAIT_INF ASYNC_CLOSING_WAIT_INF
#define CyMAX_CHIPS_PER_CARD 8

2
include/linux/tty.h
View File

@ -188,6 +188,8 @@ struct tty_port {
unsigned long flags; /* TTY flags ASY_*/
struct mutex mutex; /* Locking */
unsigned char *xmit_buf; /* Optional buffer */
int close_delay; /* Close port delay */
int closing_wait; /* Delay for output */
};
/*