gs: use tty_port

Switch drivers using the old "generic serial" driver to use the tty_port
structures

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 79 insertions, 79 deletions

diff --git a/drivers/char/generic_serial.c b/drivers/char/generic_serial.c
index 252f73e48596..19d3afb0e50c 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 ();