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提交 b5391e29 编写于 作者: A Alan Cox 提交者： Linus Torvalds
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gs: use tty_port 

Switch drivers using the old "generic serial" driver to use the tty_port
structures
Signed-off-by: NAlan Cox <alan@redhat.com>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 4982d6b3
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Showing with 166 addition and 173 deletion
drivers/char/generic_serial.c
浏览文件 @ b5391e29
...@@ -60,7 +60,7 @@ int gs_put_char(struct tty_struct * tty, unsigned char ch) ...@@ -60,7 +60,7 @@ int gs_put_char(struct tty_struct * tty, unsigned char ch)
if (!port) return 0; if (!port) return 0;
if (! (port->flags & ASYNC_INITIALIZED)) return 0; if (! (port->port.flags & ASYNC_INITIALIZED)) return 0;
/* Take a lock on the serial tranmit buffer! */ /* Take a lock on the serial tranmit buffer! */
mutex_lock(& port->port_write_mutex); mutex_lock(& port->port_write_mutex);
...@@ -103,7 +103,7 @@ int gs_write(struct tty_struct * tty, ...@@ -103,7 +103,7 @@ int gs_write(struct tty_struct * tty,
if (!port) return 0; if (!port) return 0;
if (! (port->flags & ASYNC_INITIALIZED)) if (! (port->port.flags & ASYNC_INITIALIZED))
return 0; return 0;
/* get exclusive "write" access to this port (problem 3) */ /* get exclusive "write" access to this port (problem 3) */
...@@ -141,13 +141,13 @@ int gs_write(struct tty_struct * tty, ...@@ -141,13 +141,13 @@ int gs_write(struct tty_struct * tty,
mutex_unlock(& port->port_write_mutex); mutex_unlock(& port->port_write_mutex);
gs_dprintk (GS_DEBUG_WRITE, "write: interrupts are %s\n", gs_dprintk (GS_DEBUG_WRITE, "write: interrupts are %s\n",
(port->flags & GS_TX_INTEN)?"enabled": "disabled"); (port->port.flags & GS_TX_INTEN)?"enabled": "disabled");
if (port->xmit_cnt && if (port->xmit_cnt &&
!tty->stopped && !tty->stopped &&
!tty->hw_stopped && !tty->hw_stopped &&
!(port->flags & GS_TX_INTEN)) { !(port->port.flags & GS_TX_INTEN)) {
port->flags |= GS_TX_INTEN; port->port.flags |= GS_TX_INTEN;
port->rd->enable_tx_interrupts (port); port->rd->enable_tx_interrupts (port);
} }
func_exit (); func_exit ();
...@@ -208,7 +208,7 @@ static int gs_wait_tx_flushed (void * ptr, unsigned long timeout) ...@@ -208,7 +208,7 @@ static int gs_wait_tx_flushed (void * ptr, unsigned long timeout)
gs_dprintk (GS_DEBUG_FLUSH, "port=%p.\n", port); gs_dprintk (GS_DEBUG_FLUSH, "port=%p.\n", port);
if (port) { if (port) {
gs_dprintk (GS_DEBUG_FLUSH, "xmit_cnt=%x, xmit_buf=%p, tty=%p.\n", gs_dprintk (GS_DEBUG_FLUSH, "xmit_cnt=%x, xmit_buf=%p, tty=%p.\n",
port->xmit_cnt, port->xmit_buf, port->tty); port->xmit_cnt, port->xmit_buf, port->port.tty);
} }
if (!port || port->xmit_cnt < 0 || !port->xmit_buf) { if (!port || port->xmit_cnt < 0 || !port->xmit_buf) {
...@@ -217,7 +217,7 @@ static int gs_wait_tx_flushed (void * ptr, unsigned long timeout) ...@@ -217,7 +217,7 @@ static int gs_wait_tx_flushed (void * ptr, unsigned long timeout)
return -EINVAL; /* This is an error which we don't know how to handle. */ return -EINVAL; /* This is an error which we don't know how to handle. */
} }
rcib = gs_real_chars_in_buffer(port->tty); rcib = gs_real_chars_in_buffer(port->port.tty);
if(rcib <= 0) { if(rcib <= 0) {
gs_dprintk (GS_DEBUG_FLUSH, "nothing to wait for.\n"); gs_dprintk (GS_DEBUG_FLUSH, "nothing to wait for.\n");
...@@ -236,7 +236,7 @@ static int gs_wait_tx_flushed (void * ptr, unsigned long timeout) ...@@ -236,7 +236,7 @@ static int gs_wait_tx_flushed (void * ptr, unsigned long timeout)
/* the expression is actually jiffies < end_jiffies, but that won't /* the expression is actually jiffies < end_jiffies, but that won't
work around the wraparound. Tricky eh? */ work around the wraparound. Tricky eh? */
while ((charsleft = gs_real_chars_in_buffer (port->tty)) && while ((charsleft = gs_real_chars_in_buffer (port->port.tty)) &&
time_after (end_jiffies, jiffies)) { time_after (end_jiffies, jiffies)) {
/* Units check: /* Units check:
chars * (bits/char) * (jiffies /sec) / (bits/sec) = jiffies! chars * (bits/char) * (jiffies /sec) / (bits/sec) = jiffies!
...@@ -309,7 +309,7 @@ void gs_flush_chars(struct tty_struct * tty) ...@@ -309,7 +309,7 @@ void gs_flush_chars(struct tty_struct * tty)
} }
/* Beats me -- REW */ /* Beats me -- REW */
port->flags |= GS_TX_INTEN; port->port.flags |= GS_TX_INTEN;
port->rd->enable_tx_interrupts (port); port->rd->enable_tx_interrupts (port);
func_exit (); func_exit ();
} }
...@@ -329,8 +329,8 @@ void gs_stop(struct tty_struct * tty) ...@@ -329,8 +329,8 @@ void gs_stop(struct tty_struct * tty)
if (port->xmit_cnt && if (port->xmit_cnt &&
port->xmit_buf && port->xmit_buf &&
(port->flags & GS_TX_INTEN) ) { (port->port.flags & GS_TX_INTEN) ) {
port->flags &= ~GS_TX_INTEN; port->port.flags &= ~GS_TX_INTEN;
port->rd->disable_tx_interrupts (port); port->rd->disable_tx_interrupts (port);
} }
func_exit (); func_exit ();
...@@ -349,8 +349,8 @@ void gs_start(struct tty_struct * tty) ...@@ -349,8 +349,8 @@ void gs_start(struct tty_struct * tty)
if (port->xmit_cnt && if (port->xmit_cnt &&
port->xmit_buf && port->xmit_buf &&
!(port->flags & GS_TX_INTEN) ) { !(port->port.flags & GS_TX_INTEN) ) {
port->flags |= GS_TX_INTEN; port->port.flags |= GS_TX_INTEN;
port->rd->enable_tx_interrupts (port); port->rd->enable_tx_interrupts (port);
} }
func_exit (); func_exit ();
...@@ -365,7 +365,7 @@ static void gs_shutdown_port (struct gs_port *port) ...@@ -365,7 +365,7 @@ static void gs_shutdown_port (struct gs_port *port)
if (!port) return; if (!port) return;
if (!(port->flags & ASYNC_INITIALIZED)) if (!(port->port.flags & ASYNC_INITIALIZED))
return; return;
spin_lock_irqsave(&port->driver_lock, flags); spin_lock_irqsave(&port->driver_lock, flags);
...@@ -375,12 +375,12 @@ static void gs_shutdown_port (struct gs_port *port) ...@@ -375,12 +375,12 @@ static void gs_shutdown_port (struct gs_port *port)
port->xmit_buf = NULL; port->xmit_buf = NULL;
} }
if (port->tty) if (port->port.tty)
set_bit(TTY_IO_ERROR, &port->tty->flags); set_bit(TTY_IO_ERROR, &port->port.tty->flags);
port->rd->shutdown_port (port); port->rd->shutdown_port (port);
port->flags &= ~ASYNC_INITIALIZED; port->port.flags &= ~ASYNC_INITIALIZED;
spin_unlock_irqrestore(&port->driver_lock, flags); spin_unlock_irqrestore(&port->driver_lock, flags);
func_exit(); func_exit();
...@@ -396,16 +396,16 @@ void gs_hangup(struct tty_struct *tty) ...@@ -396,16 +396,16 @@ void gs_hangup(struct tty_struct *tty)
if (!tty) return; if (!tty) return;
port = tty->driver_data; port = tty->driver_data;
tty = port->tty; tty = port->port.tty;
if (!tty) if (!tty)
return; return;
gs_shutdown_port (port); gs_shutdown_port (port);
port->flags &= ~(ASYNC_NORMAL_ACTIVE|GS_ACTIVE); port->port.flags &= ~(ASYNC_NORMAL_ACTIVE|GS_ACTIVE);
port->tty = NULL; port->port.tty = NULL;
port->count = 0; port->port.count = 0;
wake_up_interruptible(&port->open_wait); wake_up_interruptible(&port->port.open_wait);
func_exit (); func_exit ();
} }
...@@ -424,7 +424,7 @@ int gs_block_til_ready(void *port_, struct file * filp) ...@@ -424,7 +424,7 @@ int gs_block_til_ready(void *port_, struct file * filp)
if (!port) return 0; if (!port) return 0;
tty = port->tty; tty = port->port.tty;
if (!tty) return 0; if (!tty) return 0;
...@@ -433,9 +433,9 @@ int gs_block_til_ready(void *port_, struct file * filp) ...@@ -433,9 +433,9 @@ int gs_block_til_ready(void *port_, struct file * filp)
* If the device is in the middle of being closed, then block * If the device is in the middle of being closed, then block
* until it's done, and then try again. * until it's done, and then try again.
*/ */
if (tty_hung_up_p(filp) || port->flags & ASYNC_CLOSING) { if (tty_hung_up_p(filp) || port->port.flags & ASYNC_CLOSING) {
interruptible_sleep_on(&port->close_wait); interruptible_sleep_on(&port->port.close_wait);
if (port->flags & ASYNC_HUP_NOTIFY) if (port->port.flags & ASYNC_HUP_NOTIFY)
return -EAGAIN; return -EAGAIN;
else else
return -ERESTARTSYS; return -ERESTARTSYS;
...@@ -449,7 +449,7 @@ int gs_block_til_ready(void *port_, struct file * filp) ...@@ -449,7 +449,7 @@ int gs_block_til_ready(void *port_, struct file * filp)
*/ */
if ((filp->f_flags & O_NONBLOCK) || if ((filp->f_flags & O_NONBLOCK) ||
(tty->flags & (1 << TTY_IO_ERROR))) { (tty->flags & (1 << TTY_IO_ERROR))) {
port->flags |= ASYNC_NORMAL_ACTIVE; port->port.flags |= ASYNC_NORMAL_ACTIVE;
return 0; return 0;
} }
...@@ -461,34 +461,34 @@ int gs_block_til_ready(void *port_, struct file * filp) ...@@ -461,34 +461,34 @@ int gs_block_til_ready(void *port_, struct file * filp)
/* /*
* Block waiting for the carrier detect and the line to become * Block waiting for the carrier detect and the line to become
* free (i.e., not in use by the callout). While we are in * free (i.e., not in use by the callout). While we are in
* this loop, port->count is dropped by one, so that * this loop, port->port.count is dropped by one, so that
* rs_close() knows when to free things. We restore it upon * rs_close() knows when to free things. We restore it upon
* exit, either normal or abnormal. * exit, either normal or abnormal.
*/ */
retval = 0; retval = 0;
add_wait_queue(&port->open_wait, &wait); add_wait_queue(&port->port.open_wait, &wait);
gs_dprintk (GS_DEBUG_BTR, "after add waitq.\n"); gs_dprintk (GS_DEBUG_BTR, "after add waitq.\n");
spin_lock_irqsave(&port->driver_lock, flags); spin_lock_irqsave(&port->driver_lock, flags);
if (!tty_hung_up_p(filp)) { if (!tty_hung_up_p(filp)) {
port->count--; port->port.count--;
} }
spin_unlock_irqrestore(&port->driver_lock, flags); spin_unlock_irqrestore(&port->driver_lock, flags);
port->blocked_open++; port->port.blocked_open++;
while (1) { while (1) {
CD = port->rd->get_CD (port); CD = port->rd->get_CD (port);
gs_dprintk (GS_DEBUG_BTR, "CD is now %d.\n", CD); gs_dprintk (GS_DEBUG_BTR, "CD is now %d.\n", CD);
set_current_state (TASK_INTERRUPTIBLE); set_current_state (TASK_INTERRUPTIBLE);
if (tty_hung_up_p(filp) || if (tty_hung_up_p(filp) ||
!(port->flags & ASYNC_INITIALIZED)) { !(port->port.flags & ASYNC_INITIALIZED)) {
if (port->flags & ASYNC_HUP_NOTIFY) if (port->port.flags & ASYNC_HUP_NOTIFY)
retval = -EAGAIN; retval = -EAGAIN;
else else
retval = -ERESTARTSYS; retval = -ERESTARTSYS;
break; break;
} }
if (!(port->flags & ASYNC_CLOSING) && if (!(port->port.flags & ASYNC_CLOSING) &&
(do_clocal || CD)) (do_clocal || CD))
break; break;
gs_dprintk (GS_DEBUG_BTR, "signal_pending is now: %d (%lx)\n", gs_dprintk (GS_DEBUG_BTR, "signal_pending is now: %d (%lx)\n",
...@@ -500,17 +500,17 @@ int gs_block_til_ready(void *port_, struct file * filp) ...@@ -500,17 +500,17 @@ int gs_block_til_ready(void *port_, struct file * filp)
schedule(); schedule();
} }
gs_dprintk (GS_DEBUG_BTR, "Got out of the loop. (%d)\n", gs_dprintk (GS_DEBUG_BTR, "Got out of the loop. (%d)\n",
port->blocked_open); port->port.blocked_open);
set_current_state (TASK_RUNNING); set_current_state (TASK_RUNNING);
remove_wait_queue(&port->open_wait, &wait); remove_wait_queue(&port->port.open_wait, &wait);
if (!tty_hung_up_p(filp)) { if (!tty_hung_up_p(filp)) {
port->count++; port->port.count++;
} }
port->blocked_open--; port->port.blocked_open--;
if (retval) if (retval)
return retval; return retval;
port->flags |= ASYNC_NORMAL_ACTIVE; port->port.flags |= ASYNC_NORMAL_ACTIVE;
func_exit (); func_exit ();
return 0; return 0;
} }
...@@ -529,10 +529,10 @@ void gs_close(struct tty_struct * tty, struct file * filp) ...@@ -529,10 +529,10 @@ void gs_close(struct tty_struct * tty, struct file * filp)
if (!port) return; if (!port) return;
if (!port->tty) { if (!port->port.tty) {
/* This seems to happen when this is called from vhangup. */ /* This seems to happen when this is called from vhangup. */
gs_dprintk (GS_DEBUG_CLOSE, "gs: Odd: port->tty is NULL\n"); gs_dprintk (GS_DEBUG_CLOSE, "gs: Odd: port->port.tty is NULL\n");
port->tty = tty; port->port.tty = tty;
} }
spin_lock_irqsave(&port->driver_lock, flags); spin_lock_irqsave(&port->driver_lock, flags);
...@@ -545,23 +545,23 @@ void gs_close(struct tty_struct * tty, struct file * filp) ...@@ -545,23 +545,23 @@ void gs_close(struct tty_struct * tty, struct file * filp)
return; return;
} }
if ((tty->count == 1) && (port->count != 1)) { if ((tty->count == 1) && (port->port.count != 1)) {
printk(KERN_ERR "gs: gs_close port %p: bad port count;" printk(KERN_ERR "gs: gs_close port %p: bad port count;"
" tty->count is 1, port count is %d\n", port, port->count); " tty->count is 1, port count is %d\n", port, port->port.count);
port->count = 1; port->port.count = 1;
} }
if (--port->count < 0) { if (--port->port.count < 0) {
printk(KERN_ERR "gs: gs_close port %p: bad port count: %d\n", port, port->count); printk(KERN_ERR "gs: gs_close port %p: bad port count: %d\n", port, port->port.count);
port->count = 0; port->port.count = 0;
} }
if (port->count) { if (port->port.count) {
gs_dprintk(GS_DEBUG_CLOSE, "gs_close port %p: count: %d\n", port, port->count); gs_dprintk(GS_DEBUG_CLOSE, "gs_close port %p: count: %d\n", port, port->port.count);
spin_unlock_irqrestore(&port->driver_lock, flags); spin_unlock_irqrestore(&port->driver_lock, flags);
func_exit (); func_exit ();
return; return;
} }
port->flags |= ASYNC_CLOSING; port->port.flags |= ASYNC_CLOSING;
/* /*
* Now we wait for the transmit buffer to clear; and we notify * Now we wait for the transmit buffer to clear; and we notify
...@@ -585,7 +585,7 @@ void gs_close(struct tty_struct * tty, struct file * filp) ...@@ -585,7 +585,7 @@ void gs_close(struct tty_struct * tty, struct file * filp)
if (port->closing_wait != ASYNC_CLOSING_WAIT_NONE) if (port->closing_wait != ASYNC_CLOSING_WAIT_NONE)
gs_wait_tx_flushed (port, port->closing_wait); gs_wait_tx_flushed (port, port->closing_wait);
port->flags &= ~GS_ACTIVE; port->port.flags &= ~GS_ACTIVE;
gs_flush_buffer(tty); gs_flush_buffer(tty);
...@@ -595,18 +595,18 @@ void gs_close(struct tty_struct * tty, struct file * filp) ...@@ -595,18 +595,18 @@ void gs_close(struct tty_struct * tty, struct file * filp)
port->event = 0; port->event = 0;
port->rd->close (port); port->rd->close (port);
port->rd->shutdown_port (port); port->rd->shutdown_port (port);
port->tty = NULL; port->port.tty = NULL;
if (port->blocked_open) { if (port->port.blocked_open) {
if (port->close_delay) { if (port->close_delay) {
spin_unlock_irqrestore(&port->driver_lock, flags); spin_unlock_irqrestore(&port->driver_lock, flags);
msleep_interruptible(jiffies_to_msecs(port->close_delay)); msleep_interruptible(jiffies_to_msecs(port->close_delay));
spin_lock_irqsave(&port->driver_lock, flags); spin_lock_irqsave(&port->driver_lock, flags);
} }
wake_up_interruptible(&port->open_wait); wake_up_interruptible(&port->port.open_wait);
} }
port->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING | ASYNC_INITIALIZED); port->port.flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING | ASYNC_INITIALIZED);
wake_up_interruptible(&port->close_wait); wake_up_interruptible(&port->port.close_wait);
func_exit (); func_exit ();
} }
...@@ -626,10 +626,10 @@ void gs_set_termios (struct tty_struct * tty, ...@@ -626,10 +626,10 @@ void gs_set_termios (struct tty_struct * tty,
port = tty->driver_data; port = tty->driver_data;
if (!port) return; if (!port) return;
if (!port->tty) { if (!port->port.tty) {
/* This seems to happen when this is called after gs_close. */ /* This seems to happen when this is called after gs_close. */
gs_dprintk (GS_DEBUG_TERMIOS, "gs: Odd: port->tty is NULL\n"); gs_dprintk (GS_DEBUG_TERMIOS, "gs: Odd: port->port.tty is NULL\n");
port->tty = tty; port->port.tty = tty;
} }
...@@ -651,15 +651,15 @@ void gs_set_termios (struct tty_struct * tty, ...@@ -651,15 +651,15 @@ void gs_set_termios (struct tty_struct * tty,
baudrate = tty_get_baud_rate(tty); baudrate = tty_get_baud_rate(tty);
if ((tiosp->c_cflag & CBAUD) == B38400) { if ((tiosp->c_cflag & CBAUD) == B38400) {
if ( (port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI) if ( (port->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
baudrate = 57600; baudrate = 57600;
else if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI) else if ((port->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
baudrate = 115200; baudrate = 115200;
else if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI) else if ((port->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
baudrate = 230400; baudrate = 230400;
else if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP) else if ((port->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
baudrate = 460800; baudrate = 460800;
else if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) else if ((port->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST)
baudrate = (port->baud_base / port->custom_divisor); baudrate = (port->baud_base / port->custom_divisor);
} }
...@@ -715,7 +715,7 @@ int gs_init_port(struct gs_port *port) ...@@ -715,7 +715,7 @@ int gs_init_port(struct gs_port *port)
func_enter (); func_enter ();
if (port->flags & ASYNC_INITIALIZED) { if (port->port.flags & ASYNC_INITIALIZED) {
func_exit (); func_exit ();
return 0; return 0;
} }
...@@ -737,15 +737,15 @@ int gs_init_port(struct gs_port *port) ...@@ -737,15 +737,15 @@ int gs_init_port(struct gs_port *port)
} }
spin_lock_irqsave (&port->driver_lock, flags); spin_lock_irqsave (&port->driver_lock, flags);
if (port->tty) if (port->port.tty)
clear_bit(TTY_IO_ERROR, &port->tty->flags); clear_bit(TTY_IO_ERROR, &port->port.tty->flags);
mutex_init(&port->port_write_mutex); mutex_init(&port->port_write_mutex);
port->xmit_cnt = port->xmit_head = port->xmit_tail = 0; port->xmit_cnt = port->xmit_head = port->xmit_tail = 0;
spin_unlock_irqrestore(&port->driver_lock, flags); spin_unlock_irqrestore(&port->driver_lock, flags);
gs_set_termios(port->tty, NULL); gs_set_termios(port->port.tty, NULL);
spin_lock_irqsave (&port->driver_lock, flags); spin_lock_irqsave (&port->driver_lock, flags);
port->flags |= ASYNC_INITIALIZED; port->port.flags |= ASYNC_INITIALIZED;
port->flags &= ~GS_TX_INTEN; port->port.flags &= ~GS_TX_INTEN;
spin_unlock_irqrestore(&port->driver_lock, flags); spin_unlock_irqrestore(&port->driver_lock, flags);
func_exit (); func_exit ();
...@@ -764,11 +764,11 @@ int gs_setserial(struct gs_port *port, struct serial_struct __user *sp) ...@@ -764,11 +764,11 @@ int gs_setserial(struct gs_port *port, struct serial_struct __user *sp)
if ((sio.baud_base != port->baud_base) || if ((sio.baud_base != port->baud_base) ||
(sio.close_delay != port->close_delay) || (sio.close_delay != port->close_delay) ||
((sio.flags & ~ASYNC_USR_MASK) != ((sio.flags & ~ASYNC_USR_MASK) !=
(port->flags & ~ASYNC_USR_MASK))) (port->port.flags & ~ASYNC_USR_MASK)))
return(-EPERM); return(-EPERM);
} }
port->flags = (port->flags & ~ASYNC_USR_MASK) | port->port.flags = (port->port.flags & ~ASYNC_USR_MASK) |
(sio.flags & ASYNC_USR_MASK); (sio.flags & ASYNC_USR_MASK);
port->baud_base = sio.baud_base; port->baud_base = sio.baud_base;
...@@ -776,7 +776,7 @@ int gs_setserial(struct gs_port *port, struct serial_struct __user *sp) ...@@ -776,7 +776,7 @@ int gs_setserial(struct gs_port *port, struct serial_struct __user *sp)
port->closing_wait = sio.closing_wait; port->closing_wait = sio.closing_wait;
port->custom_divisor = sio.custom_divisor; port->custom_divisor = sio.custom_divisor;
gs_set_termios (port->tty, NULL); gs_set_termios (port->port.tty, NULL);
return 0; return 0;
} }
...@@ -793,7 +793,7 @@ int gs_getserial(struct gs_port *port, struct serial_struct __user *sp) ...@@ -793,7 +793,7 @@ int gs_getserial(struct gs_port *port, struct serial_struct __user *sp)
struct serial_struct sio; struct serial_struct sio;
memset(&sio, 0, sizeof(struct serial_struct)); memset(&sio, 0, sizeof(struct serial_struct));
sio.flags = port->flags; sio.flags = port->port.flags;
sio.baud_base = port->baud_base; sio.baud_base = port->baud_base;
sio.close_delay = port->close_delay; sio.close_delay = port->close_delay;
sio.closing_wait = port->closing_wait; sio.closing_wait = port->closing_wait;
...@@ -821,10 +821,10 @@ void gs_got_break(struct gs_port *port) ...@@ -821,10 +821,10 @@ void gs_got_break(struct gs_port *port)
{ {
func_enter (); func_enter ();
tty_insert_flip_char(port->tty, 0, TTY_BREAK); tty_insert_flip_char(port->port.tty, 0, TTY_BREAK);
tty_schedule_flip(port->tty); tty_schedule_flip(port->port.tty);
if (port->flags & ASYNC_SAK) { if (port->port.flags & ASYNC_SAK) {
do_SAK (port->tty); do_SAK (port->port.tty);
} }
func_exit (); func_exit ();
......
drivers/char/rio/rio_linux.c
浏览文件 @ b5391e29
...@@ -431,7 +431,7 @@ static void rio_disable_tx_interrupts(void *ptr) ...@@ -431,7 +431,7 @@ static void rio_disable_tx_interrupts(void *ptr)
{ {
func_enter(); func_enter();
/* port->gs.flags &= ~GS_TX_INTEN; */ /* port->gs.port.flags &= ~GS_TX_INTEN; */
func_exit(); func_exit();
} }
...@@ -455,7 +455,7 @@ static void rio_enable_tx_interrupts(void *ptr) ...@@ -455,7 +455,7 @@ static void rio_enable_tx_interrupts(void *ptr)
* In general we cannot count on "tx empty" interrupts, although * In general we cannot count on "tx empty" interrupts, although
* the interrupt routine seems to be able to tell the difference. * the interrupt routine seems to be able to tell the difference.
*/ */
PortP->gs.flags &= ~GS_TX_INTEN; PortP->gs.port.flags &= ~GS_TX_INTEN;
func_exit(); func_exit();
} }
...@@ -510,7 +510,7 @@ static void rio_shutdown_port(void *ptr) ...@@ -510,7 +510,7 @@ static void rio_shutdown_port(void *ptr)
func_enter(); func_enter();
PortP = (struct Port *) ptr; PortP = (struct Port *) ptr;
PortP->gs.tty = NULL; PortP->gs.port.tty = NULL;
func_exit(); func_exit();
} }
...@@ -529,7 +529,7 @@ static void rio_hungup(void *ptr) ...@@ -529,7 +529,7 @@ static void rio_hungup(void *ptr)
func_enter(); func_enter();
PortP = (struct Port *) ptr; PortP = (struct Port *) ptr;
PortP->gs.tty = NULL; PortP->gs.port.tty = NULL;
func_exit(); func_exit();
} }
...@@ -549,12 +549,12 @@ static void rio_close(void *ptr) ...@@ -549,12 +549,12 @@ static void rio_close(void *ptr)
riotclose(ptr); riotclose(ptr);
if (PortP->gs.count) { if (PortP->gs.port.count) {
printk(KERN_ERR "WARNING port count:%d\n", PortP->gs.count); printk(KERN_ERR "WARNING port count:%d\n", PortP->gs.port.count);
PortP->gs.count = 0; PortP->gs.port.count = 0;
} }
PortP->gs.tty = NULL; PortP->gs.port.tty = NULL;
func_exit(); func_exit();
} }
...@@ -849,8 +849,8 @@ static int rio_init_datastructures(void) ...@@ -849,8 +849,8 @@ static int rio_init_datastructures(void)
/* /*
* Initializing wait queue * Initializing wait queue
*/ */
init_waitqueue_head(&port->gs.open_wait); init_waitqueue_head(&port->gs.port.open_wait);
init_waitqueue_head(&port->gs.close_wait); init_waitqueue_head(&port->gs.port.close_wait);
} }
#else #else
/* We could postpone initializing them to when they are configured. */ /* We could postpone initializing them to when they are configured. */
......
drivers/char/rio/riocmd.c
浏览文件 @ b5391e29
...@@ -484,12 +484,12 @@ static int RIOCommandRup(struct rio_info *p, uint Rup, struct Host *HostP, struc ...@@ -484,12 +484,12 @@ static int RIOCommandRup(struct rio_info *p, uint Rup, struct Host *HostP, struc
** If the device is a modem, then check the modem ** If the device is a modem, then check the modem
** carrier. ** carrier.
*/ */
if (PortP->gs.tty == NULL) if (PortP->gs.port.tty == NULL)
break; break;
if (PortP->gs.tty->termios == NULL) if (PortP->gs.port.tty->termios == NULL)
break; break;
if (!(PortP->gs.tty->termios->c_cflag & CLOCAL) && ((PortP->State & (RIO_MOPEN | RIO_WOPEN)))) { if (!(PortP->gs.port.tty->termios->c_cflag & CLOCAL) && ((PortP->State & (RIO_MOPEN | RIO_WOPEN)))) {
rio_dprintk(RIO_DEBUG_CMD, "Is there a Carrier?\n"); rio_dprintk(RIO_DEBUG_CMD, "Is there a Carrier?\n");
/* /*
...@@ -506,7 +506,7 @@ static int RIOCommandRup(struct rio_info *p, uint Rup, struct Host *HostP, struc ...@@ -506,7 +506,7 @@ static int RIOCommandRup(struct rio_info *p, uint Rup, struct Host *HostP, struc
** wakeup anyone in WOPEN ** wakeup anyone in WOPEN
*/ */
if (PortP->State & (PORT_ISOPEN | RIO_WOPEN)) if (PortP->State & (PORT_ISOPEN | RIO_WOPEN))
wake_up_interruptible(&PortP->gs.open_wait); wake_up_interruptible(&PortP->gs.port.open_wait);
} }
} else { } else {
/* /*
...@@ -514,7 +514,7 @@ static int RIOCommandRup(struct rio_info *p, uint Rup, struct Host *HostP, struc ...@@ -514,7 +514,7 @@ static int RIOCommandRup(struct rio_info *p, uint Rup, struct Host *HostP, struc
*/ */
if (PortP->State & RIO_CARR_ON) { if (PortP->State & RIO_CARR_ON) {
if (PortP->State & (PORT_ISOPEN | RIO_WOPEN | RIO_MOPEN)) if (PortP->State & (PORT_ISOPEN | RIO_WOPEN | RIO_MOPEN))
tty_hangup(PortP->gs.tty); tty_hangup(PortP->gs.port.tty);
PortP->State &= ~RIO_CARR_ON; PortP->State &= ~RIO_CARR_ON;
rio_dprintk(RIO_DEBUG_CMD, "Carrirer just went down\n"); rio_dprintk(RIO_DEBUG_CMD, "Carrirer just went down\n");
} }
......
drivers/char/rio/riointr.c
浏览文件 @ b5391e29
...@@ -102,7 +102,7 @@ void RIOTxEnable(char *en) ...@@ -102,7 +102,7 @@ void RIOTxEnable(char *en)
PortP = (struct Port *) en; PortP = (struct Port *) en;
p = (struct rio_info *) PortP->p; p = (struct rio_info *) PortP->p;
tty = PortP->gs.tty; tty = PortP->gs.port.tty;
rio_dprintk(RIO_DEBUG_INTR, "tx port %d: %d chars queued.\n", PortP->PortNum, PortP->gs.xmit_cnt); rio_dprintk(RIO_DEBUG_INTR, "tx port %d: %d chars queued.\n", PortP->PortNum, PortP->gs.xmit_cnt);
...@@ -158,7 +158,7 @@ void RIOTxEnable(char *en) ...@@ -158,7 +158,7 @@ void RIOTxEnable(char *en)
rio_spin_unlock_irqrestore(&PortP->portSem, flags); rio_spin_unlock_irqrestore(&PortP->portSem, flags);
if (PortP->gs.xmit_cnt <= (PortP->gs.wakeup_chars + 2 * PKT_MAX_DATA_LEN)) if (PortP->gs.xmit_cnt <= (PortP->gs.wakeup_chars + 2 * PKT_MAX_DATA_LEN))
tty_wakeup(PortP->gs.tty); tty_wakeup(PortP->gs.port.tty);
} }
...@@ -241,7 +241,7 @@ void RIOServiceHost(struct rio_info *p, struct Host *HostP) ...@@ -241,7 +241,7 @@ void RIOServiceHost(struct rio_info *p, struct Host *HostP)
** find corresponding tty structure. The process of mapping ** find corresponding tty structure. The process of mapping
** the ports puts these here. ** the ports puts these here.
*/ */
ttyP = PortP->gs.tty; ttyP = PortP->gs.port.tty;
/* /*
** Lock the port before we begin working on it. ** Lock the port before we begin working on it.
...@@ -335,7 +335,7 @@ void RIOServiceHost(struct rio_info *p, struct Host *HostP) ...@@ -335,7 +335,7 @@ void RIOServiceHost(struct rio_info *p, struct Host *HostP)
** find corresponding tty structure. The process of mapping ** find corresponding tty structure. The process of mapping
** the ports puts these here. ** the ports puts these here.
*/ */
ttyP = PortP->gs.tty; ttyP = PortP->gs.port.tty;
/* If ttyP is NULL, the port is getting closed. Forget about it. */ /* If ttyP is NULL, the port is getting closed. Forget about it. */
if (!ttyP) { if (!ttyP) {
rio_dprintk(RIO_DEBUG_INTR, "no tty, so skipping.\n"); rio_dprintk(RIO_DEBUG_INTR, "no tty, so skipping.\n");
...@@ -542,7 +542,7 @@ static void RIOReceive(struct rio_info *p, struct Port *PortP) ...@@ -542,7 +542,7 @@ static void RIOReceive(struct rio_info *p, struct Port *PortP)
intCount++; intCount++;
TtyP = PortP->gs.tty; TtyP = PortP->gs.port.tty;
if (!TtyP) { if (!TtyP) {
rio_dprintk(RIO_DEBUG_INTR, "RIOReceive: tty is null. \n"); rio_dprintk(RIO_DEBUG_INTR, "RIOReceive: tty is null. \n");
return; return;
......
drivers/char/rio/rioparam.c
浏览文件 @ b5391e29
...@@ -160,7 +160,7 @@ int RIOParam(struct Port *PortP, int cmd, int Modem, int SleepFlag) ...@@ -160,7 +160,7 @@ int RIOParam(struct Port *PortP, int cmd, int Modem, int SleepFlag)
func_enter(); func_enter();
TtyP = PortP->gs.tty; TtyP = PortP->gs.port.tty;
rio_dprintk(RIO_DEBUG_PARAM, "RIOParam: Port:%d cmd:%d Modem:%d SleepFlag:%d Mapped: %d, tty=%p\n", PortP->PortNum, cmd, Modem, SleepFlag, PortP->Mapped, TtyP); rio_dprintk(RIO_DEBUG_PARAM, "RIOParam: Port:%d cmd:%d Modem:%d SleepFlag:%d Mapped: %d, tty=%p\n", PortP->PortNum, cmd, Modem, SleepFlag, PortP->Mapped, TtyP);
......
drivers/char/rio/riotty.c
浏览文件 @ b5391e29
...@@ -140,14 +140,14 @@ int riotopen(struct tty_struct *tty, struct file *filp) ...@@ -140,14 +140,14 @@ int riotopen(struct tty_struct *tty, struct file *filp)
tty->driver_data = PortP; tty->driver_data = PortP;
PortP->gs.tty = tty; PortP->gs.port.tty = tty;
PortP->gs.count++; PortP->gs.port.count++;
rio_dprintk(RIO_DEBUG_TTY, "%d bytes in tx buffer\n", PortP->gs.xmit_cnt); rio_dprintk(RIO_DEBUG_TTY, "%d bytes in tx buffer\n", PortP->gs.xmit_cnt);
retval = gs_init_port(&PortP->gs); retval = gs_init_port(&PortP->gs);
if (retval) { if (retval) {
PortP->gs.count--; PortP->gs.port.count--;
return -ENXIO; return -ENXIO;
} }
/* /*
...@@ -293,7 +293,7 @@ int riotopen(struct tty_struct *tty, struct file *filp) ...@@ -293,7 +293,7 @@ int riotopen(struct tty_struct *tty, struct file *filp)
** insert test for carrier here. -- ??? ** insert test for carrier here. -- ???
** I already see that test here. What's the deal? -- REW ** I already see that test here. What's the deal? -- REW
*/ */
if ((PortP->gs.tty->termios->c_cflag & CLOCAL) || if ((PortP->gs.port.tty->termios->c_cflag & CLOCAL) ||
(PortP->ModemState & RIOC_MSVR1_CD)) { (PortP->ModemState & RIOC_MSVR1_CD)) {
rio_dprintk(RIO_DEBUG_TTY, "open(%d) Modem carr on\n", SysPort); rio_dprintk(RIO_DEBUG_TTY, "open(%d) Modem carr on\n", SysPort);
/* /*
...@@ -301,16 +301,16 @@ int riotopen(struct tty_struct *tty, struct file *filp) ...@@ -301,16 +301,16 @@ int riotopen(struct tty_struct *tty, struct file *filp)
wakeup((caddr_t) &tp->tm.c_canq); wakeup((caddr_t) &tp->tm.c_canq);
*/ */
PortP->State |= RIO_CARR_ON; PortP->State |= RIO_CARR_ON;
wake_up_interruptible(&PortP->gs.open_wait); wake_up_interruptible(&PortP->gs.port.open_wait);
} else { /* no carrier - wait for DCD */ } else { /* no carrier - wait for DCD */
/* /*
while (!(PortP->gs.tty->termios->c_state & CARR_ON) && while (!(PortP->gs.port.tty->termios->c_state & CARR_ON) &&
!(filp->f_flags & O_NONBLOCK) && !p->RIOHalted ) !(filp->f_flags & O_NONBLOCK) && !p->RIOHalted )
*/ */
while (!(PortP->State & RIO_CARR_ON) && !(filp->f_flags & O_NONBLOCK) && !p->RIOHalted) { while (!(PortP->State & RIO_CARR_ON) && !(filp->f_flags & O_NONBLOCK) && !p->RIOHalted) {
rio_dprintk(RIO_DEBUG_TTY, "open(%d) sleeping for carr on\n", SysPort); rio_dprintk(RIO_DEBUG_TTY, "open(%d) sleeping for carr on\n", SysPort);
/* /*
PortP->gs.tty->termios->c_state |= WOPEN; PortP->gs.port.tty->termios->c_state |= WOPEN;
*/ */
PortP->State |= RIO_WOPEN; PortP->State |= RIO_WOPEN;
rio_spin_unlock_irqrestore(&PortP->portSem, flags); rio_spin_unlock_irqrestore(&PortP->portSem, flags);
...@@ -380,7 +380,7 @@ int riotclose(void *ptr) ...@@ -380,7 +380,7 @@ int riotclose(void *ptr)
/* PortP = p->RIOPortp[SysPort]; */ /* PortP = p->RIOPortp[SysPort]; */
rio_dprintk(RIO_DEBUG_TTY, "Port is at address %p\n", PortP); rio_dprintk(RIO_DEBUG_TTY, "Port is at address %p\n", PortP);
/* tp = PortP->TtyP; *//* Get tty */ /* tp = PortP->TtyP; *//* Get tty */
tty = PortP->gs.tty; tty = PortP->gs.port.tty;
rio_dprintk(RIO_DEBUG_TTY, "TTY is at address %p\n", tty); rio_dprintk(RIO_DEBUG_TTY, "TTY is at address %p\n", tty);
if (PortP->gs.closing_wait) if (PortP->gs.closing_wait)
......
drivers/char/sx.c
浏览文件 @ b5391e29
/* sx.c -- driver for the Specialix SX series cards. /* sx.c -- driver for the Specialix SX series cards.
* *
* This driver will also support the older SI, and XIO cards. * This driver will also support the older SI, and XIO cards.
...@@ -930,7 +929,7 @@ static int sx_set_real_termios(void *ptr) ...@@ -930,7 +929,7 @@ static int sx_set_real_termios(void *ptr)
func_enter2(); func_enter2();
if (!port->gs.tty) if (!port->gs.port.tty)
return 0; return 0;
/* What is this doing here? -- REW /* What is this doing here? -- REW
...@@ -941,19 +940,19 @@ static int sx_set_real_termios(void *ptr) ...@@ -941,19 +940,19 @@ static int sx_set_real_termios(void *ptr)
sx_set_baud(port); sx_set_baud(port);
#define CFLAG port->gs.tty->termios->c_cflag #define CFLAG port->gs.port.tty->termios->c_cflag
sx_write_channel_byte(port, hi_mr1, sx_write_channel_byte(port, hi_mr1,
(C_PARENB(port->gs.tty) ? MR1_WITH : MR1_NONE) | (C_PARENB(port->gs.port.tty) ? MR1_WITH : MR1_NONE) |
(C_PARODD(port->gs.tty) ? MR1_ODD : MR1_EVEN) | (C_PARODD(port->gs.port.tty) ? MR1_ODD : MR1_EVEN) |
(C_CRTSCTS(port->gs.tty) ? MR1_RTS_RXFLOW : 0) | (C_CRTSCTS(port->gs.port.tty) ? MR1_RTS_RXFLOW : 0) |
(((CFLAG & CSIZE) == CS8) ? MR1_8_BITS : 0) | (((CFLAG & CSIZE) == CS8) ? MR1_8_BITS : 0) |
(((CFLAG & CSIZE) == CS7) ? MR1_7_BITS : 0) | (((CFLAG & CSIZE) == CS7) ? MR1_7_BITS : 0) |
(((CFLAG & CSIZE) == CS6) ? MR1_6_BITS : 0) | (((CFLAG & CSIZE) == CS6) ? MR1_6_BITS : 0) |
(((CFLAG & CSIZE) == CS5) ? MR1_5_BITS : 0)); (((CFLAG & CSIZE) == CS5) ? MR1_5_BITS : 0));
sx_write_channel_byte(port, hi_mr2, sx_write_channel_byte(port, hi_mr2,
(C_CRTSCTS(port->gs.tty) ? MR2_CTS_TXFLOW : 0) | (C_CRTSCTS(port->gs.port.tty) ? MR2_CTS_TXFLOW : 0) |
(C_CSTOPB(port->gs.tty) ? MR2_2_STOP : (C_CSTOPB(port->gs.port.tty) ? MR2_2_STOP :
MR2_1_STOP)); MR2_1_STOP));
switch (CFLAG & CSIZE) { switch (CFLAG & CSIZE) {
...@@ -976,44 +975,44 @@ static int sx_set_real_termios(void *ptr) ...@@ -976,44 +975,44 @@ static int sx_set_real_termios(void *ptr)
} }
sx_write_channel_byte(port, hi_prtcl, sx_write_channel_byte(port, hi_prtcl,
(I_IXON(port->gs.tty) ? SP_TXEN : 0) | (I_IXON(port->gs.port.tty) ? SP_TXEN : 0) |
(I_IXOFF(port->gs.tty) ? SP_RXEN : 0) | (I_IXOFF(port->gs.port.tty) ? SP_RXEN : 0) |
(I_IXANY(port->gs.tty) ? SP_TANY : 0) | SP_DCEN); (I_IXANY(port->gs.port.tty) ? SP_TANY : 0) | SP_DCEN);
sx_write_channel_byte(port, hi_break, sx_write_channel_byte(port, hi_break,
(I_IGNBRK(port->gs.tty) ? BR_IGN : 0 | (I_IGNBRK(port->gs.port.tty) ? BR_IGN : 0 |
I_BRKINT(port->gs.tty) ? BR_INT : 0)); I_BRKINT(port->gs.port.tty) ? BR_INT : 0));
sx_write_channel_byte(port, hi_txon, START_CHAR(port->gs.tty)); sx_write_channel_byte(port, hi_txon, START_CHAR(port->gs.port.tty));
sx_write_channel_byte(port, hi_rxon, START_CHAR(port->gs.tty)); sx_write_channel_byte(port, hi_rxon, START_CHAR(port->gs.port.tty));
sx_write_channel_byte(port, hi_txoff, STOP_CHAR(port->gs.tty)); sx_write_channel_byte(port, hi_txoff, STOP_CHAR(port->gs.port.tty));
sx_write_channel_byte(port, hi_rxoff, STOP_CHAR(port->gs.tty)); sx_write_channel_byte(port, hi_rxoff, STOP_CHAR(port->gs.port.tty));
sx_reconfigure_port(port); sx_reconfigure_port(port);
/* Tell line discipline whether we will do input cooking */ /* Tell line discipline whether we will do input cooking */
if (I_OTHER(port->gs.tty)) { if (I_OTHER(port->gs.port.tty)) {
clear_bit(TTY_HW_COOK_IN, &port->gs.tty->flags); clear_bit(TTY_HW_COOK_IN, &port->gs.port.tty->flags);
} else { } else {
set_bit(TTY_HW_COOK_IN, &port->gs.tty->flags); set_bit(TTY_HW_COOK_IN, &port->gs.port.tty->flags);
} }
sx_dprintk(SX_DEBUG_TERMIOS, "iflags: %x(%d) ", sx_dprintk(SX_DEBUG_TERMIOS, "iflags: %x(%d) ",
(unsigned int)port->gs.tty->termios->c_iflag, (unsigned int)port->gs.port.tty->termios->c_iflag,
I_OTHER(port->gs.tty)); I_OTHER(port->gs.port.tty));
/* Tell line discipline whether we will do output cooking. /* Tell line discipline whether we will do output cooking.
* If OPOST is set and no other output flags are set then we can do output * If OPOST is set and no other output flags are set then we can do output
* processing. Even if only *one* other flag in the O_OTHER group is set * processing. Even if only *one* other flag in the O_OTHER group is set
* we do cooking in software. * we do cooking in software.
*/ */
if (O_OPOST(port->gs.tty) && !O_OTHER(port->gs.tty)) { if (O_OPOST(port->gs.port.tty) && !O_OTHER(port->gs.port.tty)) {
set_bit(TTY_HW_COOK_OUT, &port->gs.tty->flags); set_bit(TTY_HW_COOK_OUT, &port->gs.port.tty->flags);
} else { } else {
clear_bit(TTY_HW_COOK_OUT, &port->gs.tty->flags); clear_bit(TTY_HW_COOK_OUT, &port->gs.port.tty->flags);
} }
sx_dprintk(SX_DEBUG_TERMIOS, "oflags: %x(%d)\n", sx_dprintk(SX_DEBUG_TERMIOS, "oflags: %x(%d)\n",
(unsigned int)port->gs.tty->termios->c_oflag, (unsigned int)port->gs.port.tty->termios->c_oflag,
O_OTHER(port->gs.tty)); O_OTHER(port->gs.port.tty));
/* port->c_dcd = sx_get_CD (port); */ /* port->c_dcd = sx_get_CD (port); */
func_exit(); func_exit();
return 0; return 0;
...@@ -1102,8 +1101,8 @@ static void sx_transmit_chars(struct sx_port *port) ...@@ -1102,8 +1101,8 @@ static void sx_transmit_chars(struct sx_port *port)
sx_disable_tx_interrupts(port); sx_disable_tx_interrupts(port);
} }
if ((port->gs.xmit_cnt <= port->gs.wakeup_chars) && port->gs.tty) { if ((port->gs.xmit_cnt <= port->gs.wakeup_chars) && port->gs.port.tty) {
tty_wakeup(port->gs.tty); tty_wakeup(port->gs.port.tty);
sx_dprintk(SX_DEBUG_TRANSMIT, "Waking up.... ldisc (%d)....\n", sx_dprintk(SX_DEBUG_TRANSMIT, "Waking up.... ldisc (%d)....\n",
port->gs.wakeup_chars); port->gs.wakeup_chars);
} }
...@@ -1126,7 +1125,7 @@ static inline void sx_receive_chars(struct sx_port *port) ...@@ -1126,7 +1125,7 @@ static inline void sx_receive_chars(struct sx_port *port)
unsigned char *rp; unsigned char *rp;
func_enter2(); func_enter2();
tty = port->gs.tty; tty = port->gs.port.tty;
while (1) { while (1) {
rx_op = sx_read_channel_byte(port, hi_rxopos); rx_op = sx_read_channel_byte(port, hi_rxopos);
c = (sx_read_channel_byte(port, hi_rxipos) - rx_op) & 0xff; c = (sx_read_channel_byte(port, hi_rxipos) - rx_op) & 0xff;
...@@ -1211,12 +1210,12 @@ static inline void sx_check_modem_signals(struct sx_port *port) ...@@ -1211,12 +1210,12 @@ static inline void sx_check_modem_signals(struct sx_port *port)
/* DCD went UP */ /* DCD went UP */
if ((sx_read_channel_byte(port, hi_hstat) != if ((sx_read_channel_byte(port, hi_hstat) !=
HS_IDLE_CLOSED) && HS_IDLE_CLOSED) &&
!(port->gs.tty->termios-> !(port->gs.port.tty->termios->
c_cflag & CLOCAL)) { c_cflag & CLOCAL)) {
/* Are we blocking in open? */ /* Are we blocking in open? */
sx_dprintk(SX_DEBUG_MODEMSIGNALS, "DCD " sx_dprintk(SX_DEBUG_MODEMSIGNALS, "DCD "
"active, unblocking open\n"); "active, unblocking open\n");
wake_up_interruptible(&port->gs. wake_up_interruptible(&port->gs.port.
open_wait); open_wait);
} else { } else {
sx_dprintk(SX_DEBUG_MODEMSIGNALS, "DCD " sx_dprintk(SX_DEBUG_MODEMSIGNALS, "DCD "
...@@ -1224,10 +1223,10 @@ static inline void sx_check_modem_signals(struct sx_port *port) ...@@ -1224,10 +1223,10 @@ static inline void sx_check_modem_signals(struct sx_port *port)
} }
} else { } else {
/* DCD went down! */ /* DCD went down! */
if (!(port->gs.tty->termios->c_cflag & CLOCAL)){ if (!(port->gs.port.tty->termios->c_cflag & CLOCAL)){
sx_dprintk(SX_DEBUG_MODEMSIGNALS, "DCD " sx_dprintk(SX_DEBUG_MODEMSIGNALS, "DCD "
"dropped. hanging up....\n"); "dropped. hanging up....\n");
tty_hangup(port->gs.tty); tty_hangup(port->gs.port.tty);
} else { } else {
sx_dprintk(SX_DEBUG_MODEMSIGNALS, "DCD " sx_dprintk(SX_DEBUG_MODEMSIGNALS, "DCD "
"dropped. ignoring.\n"); "dropped. ignoring.\n");
...@@ -1325,7 +1324,7 @@ static irqreturn_t sx_interrupt(int irq, void *ptr) ...@@ -1325,7 +1324,7 @@ static irqreturn_t sx_interrupt(int irq, void *ptr)
for (i = 0; i < board->nports; i++) { for (i = 0; i < board->nports; i++) {
port = &board->ports[i]; port = &board->ports[i];
if (port->gs.flags & GS_ACTIVE) { if (port->gs.port.flags & GS_ACTIVE) {
if (sx_read_channel_byte(port, hi_state)) { if (sx_read_channel_byte(port, hi_state)) {
sx_dprintk(SX_DEBUG_INTERRUPTS, "Port %d: " sx_dprintk(SX_DEBUG_INTERRUPTS, "Port %d: "
"modem signal change?... \n",i); "modem signal change?... \n",i);
...@@ -1334,7 +1333,7 @@ static irqreturn_t sx_interrupt(int irq, void *ptr) ...@@ -1334,7 +1333,7 @@ static irqreturn_t sx_interrupt(int irq, void *ptr)
if (port->gs.xmit_cnt) { if (port->gs.xmit_cnt) {
sx_transmit_chars(port); sx_transmit_chars(port);
} }
if (!(port->gs.flags & SX_RX_THROTTLE)) { if (!(port->gs.port.flags & SX_RX_THROTTLE)) {
sx_receive_chars(port); sx_receive_chars(port);
} }
} }
...@@ -1373,7 +1372,7 @@ static void sx_disable_tx_interrupts(void *ptr) ...@@ -1373,7 +1372,7 @@ static void sx_disable_tx_interrupts(void *ptr)
struct sx_port *port = ptr; struct sx_port *port = ptr;
func_enter2(); func_enter2();
port->gs.flags &= ~GS_TX_INTEN; port->gs.port.flags &= ~GS_TX_INTEN;
func_exit(); func_exit();
} }
...@@ -1394,7 +1393,7 @@ static void sx_enable_tx_interrupts(void *ptr) ...@@ -1394,7 +1393,7 @@ static void sx_enable_tx_interrupts(void *ptr)
/* XXX Must be "HIGH_WATER" for SI card according to doc. */ /* XXX Must be "HIGH_WATER" for SI card according to doc. */
if (data_in_buffer < LOW_WATER) if (data_in_buffer < LOW_WATER)
port->gs.flags &= ~GS_TX_INTEN; port->gs.port.flags &= ~GS_TX_INTEN;
func_exit(); func_exit();
} }
...@@ -1442,8 +1441,8 @@ static void sx_shutdown_port(void *ptr) ...@@ -1442,8 +1441,8 @@ static void sx_shutdown_port(void *ptr)
func_enter(); func_enter();
port->gs.flags &= ~GS_ACTIVE; port->gs.port.flags &= ~GS_ACTIVE;
if (port->gs.tty && (port->gs.tty->termios->c_cflag & HUPCL)) { if (port->gs.port.tty && (port->gs.port.tty->termios->c_cflag & HUPCL)) {
sx_setsignals(port, 0, 0); sx_setsignals(port, 0, 0);
sx_reconfigure_port(port); sx_reconfigure_port(port);
} }
...@@ -1485,8 +1484,8 @@ static int sx_open(struct tty_struct *tty, struct file *filp) ...@@ -1485,8 +1484,8 @@ static int sx_open(struct tty_struct *tty, struct file *filp)
spin_lock_irqsave(&port->gs.driver_lock, flags); spin_lock_irqsave(&port->gs.driver_lock, flags);
tty->driver_data = port; tty->driver_data = port;
port->gs.tty = tty; port->gs.port.tty = tty;
port->gs.count++; port->gs.port.count++;
spin_unlock_irqrestore(&port->gs.driver_lock, flags); spin_unlock_irqrestore(&port->gs.driver_lock, flags);
sx_dprintk(SX_DEBUG_OPEN, "starting port\n"); sx_dprintk(SX_DEBUG_OPEN, "starting port\n");
...@@ -1497,12 +1496,12 @@ static int sx_open(struct tty_struct *tty, struct file *filp) ...@@ -1497,12 +1496,12 @@ static int sx_open(struct tty_struct *tty, struct file *filp)
retval = gs_init_port(&port->gs); retval = gs_init_port(&port->gs);
sx_dprintk(SX_DEBUG_OPEN, "done gs_init\n"); sx_dprintk(SX_DEBUG_OPEN, "done gs_init\n");
if (retval) { if (retval) {
port->gs.count--; port->gs.port.count--;
return retval; return retval;
} }
port->gs.flags |= GS_ACTIVE; port->gs.port.flags |= GS_ACTIVE;
if (port->gs.count <= 1) if (port->gs.port.count <= 1)
sx_setsignals(port, 1, 1); sx_setsignals(port, 1, 1);
#if 0 #if 0
...@@ -1513,12 +1512,12 @@ static int sx_open(struct tty_struct *tty, struct file *filp) ...@@ -1513,12 +1512,12 @@ static int sx_open(struct tty_struct *tty, struct file *filp)
my_hd_io(port->board->base + port->ch_base, sizeof(*port)); my_hd_io(port->board->base + port->ch_base, sizeof(*port));
#endif #endif
if (port->gs.count <= 1) { if (port->gs.port.count <= 1) {
if (sx_send_command(port, HS_LOPEN, -1, HS_IDLE_OPEN) != 1) { if (sx_send_command(port, HS_LOPEN, -1, HS_IDLE_OPEN) != 1) {
printk(KERN_ERR "sx: Card didn't respond to LOPEN " printk(KERN_ERR "sx: Card didn't respond to LOPEN "
"command.\n"); "command.\n");
spin_lock_irqsave(&port->gs.driver_lock, flags); spin_lock_irqsave(&port->gs.driver_lock, flags);
port->gs.count--; port->gs.port.count--;
spin_unlock_irqrestore(&port->gs.driver_lock, flags); spin_unlock_irqrestore(&port->gs.driver_lock, flags);
return -EIO; return -EIO;
} }
...@@ -1526,11 +1525,11 @@ static int sx_open(struct tty_struct *tty, struct file *filp) ...@@ -1526,11 +1525,11 @@ static int sx_open(struct tty_struct *tty, struct file *filp)
retval = gs_block_til_ready(port, filp); retval = gs_block_til_ready(port, filp);
sx_dprintk(SX_DEBUG_OPEN, "Block til ready returned %d. Count=%d\n", sx_dprintk(SX_DEBUG_OPEN, "Block til ready returned %d. Count=%d\n",
retval, port->gs.count); retval, port->gs.port.count);
if (retval) { if (retval) {
/* /*
* Don't lower gs.count here because sx_close() will be called later * Don't lower gs.port.count here because sx_close() will be called later
*/ */
return retval; return retval;
...@@ -1571,14 +1570,14 @@ static void sx_close(void *ptr) ...@@ -1571,14 +1570,14 @@ static void sx_close(void *ptr)
} }
sx_dprintk(SX_DEBUG_CLOSE, "waited %d jiffies for close. count=%d\n", sx_dprintk(SX_DEBUG_CLOSE, "waited %d jiffies for close. count=%d\n",
5 * HZ - to - 1, port->gs.count); 5 * HZ - to - 1, port->gs.port.count);
if (port->gs.count) { if (port->gs.port.count) {
sx_dprintk(SX_DEBUG_CLOSE, "WARNING port count:%d\n", sx_dprintk(SX_DEBUG_CLOSE, "WARNING port count:%d\n",
port->gs.count); port->gs.port.count);
/*printk("%s SETTING port count to zero: %p count: %d\n", /*printk("%s SETTING port count to zero: %p count: %d\n",
__func__, port, port->gs.count); __func__, port, port->gs.port.count);
port->gs.count = 0;*/ port->gs.port.count = 0;*/
} }
func_exit(); func_exit();
...@@ -1939,7 +1938,7 @@ static void sx_throttle(struct tty_struct *tty) ...@@ -1939,7 +1938,7 @@ static void sx_throttle(struct tty_struct *tty)
* control then throttle the port. * control then throttle the port.
*/ */
if ((tty->termios->c_cflag & CRTSCTS) || (I_IXOFF(tty))) { if ((tty->termios->c_cflag & CRTSCTS) || (I_IXOFF(tty))) {
port->gs.flags |= SX_RX_THROTTLE; port->gs.port.flags |= SX_RX_THROTTLE;
} }
func_exit(); func_exit();
} }
...@@ -1953,7 +1952,7 @@ static void sx_unthrottle(struct tty_struct *tty) ...@@ -1953,7 +1952,7 @@ static void sx_unthrottle(struct tty_struct *tty)
* this port in case we disabled flow control while the port * this port in case we disabled flow control while the port
* was throttled * was throttled
*/ */
port->gs.flags &= ~SX_RX_THROTTLE; port->gs.port.flags &= ~SX_RX_THROTTLE;
func_exit(); func_exit();
return; return;
} }
...@@ -2408,9 +2407,7 @@ static int sx_init_portstructs(int nboards, int nports) ...@@ -2408,9 +2407,7 @@ static int sx_init_portstructs(int nboards, int nports)
/* /*
* Initializing wait queue * Initializing wait queue
*/ */
init_waitqueue_head(&port->gs.open_wait); tty_port_init(&port->gs.port);
init_waitqueue_head(&port->gs.close_wait);
port++; port++;
} }
} }
......
include/linux/generic_serial.h
浏览文件 @ b5391e29
...@@ -14,6 +14,7 @@ ...@@ -14,6 +14,7 @@
#ifdef __KERNEL__ #ifdef __KERNEL__
#include <linux/mutex.h> #include <linux/mutex.h>
#include <linux/tty.h>
struct real_driver { struct real_driver {
void (*disable_tx_interrupts) (void *); void (*disable_tx_interrupts) (void *);
...@@ -33,17 +34,12 @@ struct real_driver { ...@@ -33,17 +34,12 @@ struct real_driver {
struct gs_port { struct gs_port {
int magic; int magic;
struct tty_port port;
unsigned char *xmit_buf; unsigned char *xmit_buf;
int xmit_head; int xmit_head;
int xmit_tail; int xmit_tail;
int xmit_cnt; int xmit_cnt;
struct mutex port_write_mutex; struct mutex port_write_mutex;
int flags;
wait_queue_head_t open_wait;
wait_queue_head_t close_wait;
int count;
int blocked_open;
struct tty_struct *tty;
unsigned long event; unsigned long event;
unsigned short closing_wait; unsigned short closing_wait;
int close_delay; int close_delay;
......
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