X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fchar%2Fgeneric_serial.c;h=19d3afb0e50c5854d466bcee013217c0d52c64b3;hb=8fafa90082ab18859d97627fc454edf12f7efbff;hp=252f73e4859664b79bcb32657445265d943c10bb;hpb=bf9d89295233ae2ba7b312c78ee5657307b09f4c;p=safe%2Fjmp%2Flinux-2.6

diff --git a/drivers/char/generic_serial.c b/drivers/char/generic_serial.c
index 252f73e..19d3afb 100644
--- a/drivers/char/generic_serial.c
+++ b/drivers/char/generic_serial.c
@@ -60,7 +60,7 @@ int gs_put_char(struct tty_struct * tty, unsigned char ch)
 
 	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! */
 	mutex_lock(& port->port_write_mutex);
@@ -103,7 +103,7 @@ int gs_write(struct tty_struct * tty,
 
 	if (!port) return 0;
 
-	if (! (port->flags & ASYNC_INITIALIZED))
+	if (! (port->port.flags & ASYNC_INITIALIZED))
 		return 0;
 
 	/* get exclusive "write" access to this port (problem 3) */
@@ -141,13 +141,13 @@ int gs_write(struct tty_struct * tty,
 	mutex_unlock(& port->port_write_mutex);
 
 	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 && 
 	    !tty->stopped && 
 	    !tty->hw_stopped &&
-	    !(port->flags & GS_TX_INTEN)) {
-		port->flags |= GS_TX_INTEN;
+	    !(port->port.flags & GS_TX_INTEN)) {
+		port->port.flags |= GS_TX_INTEN;
 		port->rd->enable_tx_interrupts (port);
 	}
 	func_exit ();
@@ -208,7 +208,7 @@ static int gs_wait_tx_flushed (void * ptr, unsigned long timeout)
 	gs_dprintk (GS_DEBUG_FLUSH, "port=%p.\n", port);
 	if (port) {
 		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) {
@@ -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. */
 	}
 
-	rcib = gs_real_chars_in_buffer(port->tty);
+	rcib = gs_real_chars_in_buffer(port->port.tty);
 
 	if(rcib <= 0) {
 		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)
 
 	/* the expression is actually jiffies < end_jiffies, but that won't
 	   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)) {
 		/* Units check: 
 		   chars * (bits/char) * (jiffies /sec) / (bits/sec) = jiffies!
@@ -309,7 +309,7 @@ void gs_flush_chars(struct tty_struct * tty)
 	}
 
 	/* Beats me -- REW */
-	port->flags |= GS_TX_INTEN;
+	port->port.flags |= GS_TX_INTEN;
 	port->rd->enable_tx_interrupts (port);
 	func_exit ();
 }
@@ -329,8 +329,8 @@ void gs_stop(struct tty_struct * tty)
 
 	if (port->xmit_cnt && 
 	    port->xmit_buf && 
-	    (port->flags & GS_TX_INTEN) ) {
-		port->flags &= ~GS_TX_INTEN;
+	    (port->port.flags & GS_TX_INTEN) ) {
+		port->port.flags &= ~GS_TX_INTEN;
 		port->rd->disable_tx_interrupts (port);
 	}
 	func_exit ();
@@ -349,8 +349,8 @@ void gs_start(struct tty_struct * tty)
 
 	if (port->xmit_cnt && 
 	    port->xmit_buf && 
-	    !(port->flags & GS_TX_INTEN) ) {
-		port->flags |= GS_TX_INTEN;
+	    !(port->port.flags & GS_TX_INTEN) ) {
+		port->port.flags |= GS_TX_INTEN;
 		port->rd->enable_tx_interrupts (port);
 	}
 	func_exit ();
@@ -365,7 +365,7 @@ static void gs_shutdown_port (struct gs_port *port)
 	
 	if (!port) return;
 	
-	if (!(port->flags & ASYNC_INITIALIZED))
+	if (!(port->port.flags & ASYNC_INITIALIZED))
 		return;
 
 	spin_lock_irqsave(&port->driver_lock, flags);
@@ -375,12 +375,12 @@ static void gs_shutdown_port (struct gs_port *port)
 		port->xmit_buf = NULL;
 	}
 
-	if (port->tty)
-		set_bit(TTY_IO_ERROR, &port->tty->flags);
+	if (port->port.tty)
+		set_bit(TTY_IO_ERROR, &port->port.tty->flags);
 
 	port->rd->shutdown_port (port);
 
-	port->flags &= ~ASYNC_INITIALIZED;
+	port->port.flags &= ~ASYNC_INITIALIZED;
 	spin_unlock_irqrestore(&port->driver_lock, flags);
 
 	func_exit();
@@ -396,16 +396,16 @@ void gs_hangup(struct tty_struct *tty)
 	if (!tty) return;
 
 	port = tty->driver_data;
-	tty = port->tty;
+	tty = port->port.tty;
 	if (!tty) 
 		return;
 
 	gs_shutdown_port (port);
-	port->flags &= ~(ASYNC_NORMAL_ACTIVE|GS_ACTIVE);
-	port->tty = NULL;
-	port->count = 0;
+	port->port.flags &= ~(ASYNC_NORMAL_ACTIVE|GS_ACTIVE);
+	port->port.tty = NULL;
+	port->port.count = 0;
 
-	wake_up_interruptible(&port->open_wait);
+	wake_up_interruptible(&port->port.open_wait);
 	func_exit ();
 }
 
@@ -424,7 +424,7 @@ int gs_block_til_ready(void *port_, struct file * filp)
 
 	if (!port) return 0;
 
-	tty = port->tty;
+	tty = port->port.tty;
 
 	if (!tty) return 0;
 
@@ -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
 	 * 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)
 			return -EAGAIN;
 		else
 			return -ERESTARTSYS;
@@ -449,7 +449,7 @@ int gs_block_til_ready(void *port_, 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;
 		return 0;
 	}
 
@@ -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
 	 * 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
 	 * exit, either normal or abnormal.
 	 */
 	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"); 
 	spin_lock_irqsave(&port->driver_lock, flags);
 	if (!tty_hung_up_p(filp)) {
-		port->count--;
+		port->port.count--;
 	}
 	spin_unlock_irqrestore(&port->driver_lock, flags);
-	port->blocked_open++;
+	port->port.blocked_open++;
 	while (1) {
 		CD = port->rd->get_CD (port);
 		gs_dprintk (GS_DEBUG_BTR, "CD is now %d.\n", CD);
 		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;
 		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)
 		schedule();
 	}
 	gs_dprintk (GS_DEBUG_BTR, "Got out of the loop. (%d)\n",
-		    port->blocked_open);
+		    port->port.blocked_open);
 	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)) {
-		port->count++;
+		port->port.count++;
 	}
-	port->blocked_open--;
+	port->port.blocked_open--;
 	if (retval)
 		return retval;
 
-	port->flags |= ASYNC_NORMAL_ACTIVE;
+	port->port.flags |= ASYNC_NORMAL_ACTIVE;
 	func_exit ();
 	return 0;
 }			 
@@ -529,10 +529,10 @@ void gs_close(struct tty_struct * tty, struct file * filp)
 
 	if (!port) return;
 
-	if (!port->tty) {
+	if (!port->port.tty) {
 		/* This seems to happen when this is called from vhangup. */
-		gs_dprintk (GS_DEBUG_CLOSE, "gs: Odd: port->tty is NULL\n");
-		port->tty = tty;
+		gs_dprintk (GS_DEBUG_CLOSE, "gs: Odd: port->port.tty is NULL\n");
+		port->port.tty = tty;
 	}
 
 	spin_lock_irqsave(&port->driver_lock, flags);
@@ -545,23 +545,23 @@ void gs_close(struct tty_struct * tty, struct file * filp)
 		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;"
-		       " tty->count is 1, port count is %d\n", port, port->count);
-		port->count = 1;
+		       " tty->count is 1, port count is %d\n", port, port->port.count);
+		port->port.count = 1;
 	}
-	if (--port->count < 0) {
-		printk(KERN_ERR "gs: gs_close port %p: bad port count: %d\n", port, port->count);
-		port->count = 0;
+	if (--port->port.count < 0) {
+		printk(KERN_ERR "gs: gs_close port %p: bad port count: %d\n", port, port->port.count);
+		port->port.count = 0;
 	}
 
-	if (port->count) {
-		gs_dprintk(GS_DEBUG_CLOSE, "gs_close port %p: count: %d\n", port, port->count);
+	if (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);
 		func_exit ();
 		return;
 	}
-	port->flags |= ASYNC_CLOSING;
+	port->port.flags |= ASYNC_CLOSING;
 
 	/*
 	 * 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)
 	if (port->closing_wait != ASYNC_CLOSING_WAIT_NONE)
 		gs_wait_tx_flushed (port, port->closing_wait);
 
-	port->flags &= ~GS_ACTIVE;
+	port->port.flags &= ~GS_ACTIVE;
 
 	gs_flush_buffer(tty);
 
@@ -595,18 +595,18 @@ void gs_close(struct tty_struct * tty, struct file * filp)
 	port->event = 0;
 	port->rd->close (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) {
 			spin_unlock_irqrestore(&port->driver_lock, flags);
 			msleep_interruptible(jiffies_to_msecs(port->close_delay));
 			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);
-	wake_up_interruptible(&port->close_wait);
+	port->port.flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING | ASYNC_INITIALIZED);
+	wake_up_interruptible(&port->port.close_wait);
 
 	func_exit ();
 }
@@ -626,10 +626,10 @@ void gs_set_termios (struct tty_struct * tty,
 	port = tty->driver_data;
 
 	if (!port) return;
-	if (!port->tty) {
+	if (!port->port.tty) {
 		/* This seems to happen when this is called after gs_close. */
-		gs_dprintk (GS_DEBUG_TERMIOS, "gs: Odd: port->tty is NULL\n");
-		port->tty = tty;
+		gs_dprintk (GS_DEBUG_TERMIOS, "gs: Odd: port->port.tty is NULL\n");
+		port->port.tty = tty;
 	}
 
 
@@ -651,15 +651,15 @@ void gs_set_termios (struct tty_struct * tty,
 	baudrate = tty_get_baud_rate(tty);
 
 	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;
-		else if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
+		else if ((port->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
 			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;
-		else if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
+		else if ((port->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
 			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);
 	}
 
@@ -715,7 +715,7 @@ int gs_init_port(struct gs_port *port)
 
 	func_enter ();
 
-	if (port->flags & ASYNC_INITIALIZED) {
+	if (port->port.flags & ASYNC_INITIALIZED) {
 		func_exit ();
 		return 0;
 	}
@@ -737,15 +737,15 @@ int gs_init_port(struct gs_port *port)
 	}
 
 	spin_lock_irqsave (&port->driver_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);
 	mutex_init(&port->port_write_mutex);
 	port->xmit_cnt = port->xmit_head = port->xmit_tail = 0;
 	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);
-	port->flags |= ASYNC_INITIALIZED;
-	port->flags &= ~GS_TX_INTEN;
+	port->port.flags |= ASYNC_INITIALIZED;
+	port->port.flags &= ~GS_TX_INTEN;
 
 	spin_unlock_irqrestore(&port->driver_lock, flags);
 	func_exit ();
@@ -764,11 +764,11 @@ int gs_setserial(struct gs_port *port, struct serial_struct __user *sp)
 		if ((sio.baud_base != port->baud_base) ||
 		    (sio.close_delay != port->close_delay) ||
 		    ((sio.flags & ~ASYNC_USR_MASK) !=
-		     (port->flags & ~ASYNC_USR_MASK)))
+		     (port->port.flags & ~ASYNC_USR_MASK)))
 			return(-EPERM);
 	} 
 
-	port->flags = (port->flags & ~ASYNC_USR_MASK) |
+	port->port.flags = (port->port.flags & ~ASYNC_USR_MASK) |
 		(sio.flags & ASYNC_USR_MASK);
   
 	port->baud_base = sio.baud_base;
@@ -776,7 +776,7 @@ int gs_setserial(struct gs_port *port, struct serial_struct __user *sp)
 	port->closing_wait = sio.closing_wait;
 	port->custom_divisor = sio.custom_divisor;
 
-	gs_set_termios (port->tty, NULL);
+	gs_set_termios (port->port.tty, NULL);
 
 	return 0;
 }
@@ -793,7 +793,7 @@ int gs_getserial(struct gs_port *port, struct serial_struct __user *sp)
 	struct serial_struct    sio;
 
 	memset(&sio, 0, sizeof(struct serial_struct));
-	sio.flags = port->flags;
+	sio.flags = port->port.flags;
 	sio.baud_base = port->baud_base;
 	sio.close_delay = port->close_delay;
 	sio.closing_wait = port->closing_wait;
@@ -821,10 +821,10 @@ void gs_got_break(struct gs_port *port)
 {
 	func_enter ();
 
-	tty_insert_flip_char(port->tty, 0, TTY_BREAK);
-	tty_schedule_flip(port->tty);
-	if (port->flags & ASYNC_SAK) {
-		do_SAK (port->tty);
+	tty_insert_flip_char(port->port.tty, 0, TTY_BREAK);
+	tty_schedule_flip(port->port.tty);
+	if (port->port.flags & ASYNC_SAK) {
+		do_SAK (port->port.tty);
 	}
 
 	func_exit ();