TTY: isdn, add tty_port

And use tty_port->flags now. Other members will follow.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Karsten Keil <isdn@linux-pingi.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
index 74b0518..8ba526d 100644 (file)
--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/drivers/isdn/i4l/isdn_tty.c
@@ -1046,20 +1046,20 @@ isdn_tty_change_speed(modem_info *info)
 
        /* CTS flow control flag and modem status interrupts */
        if (cflag & CRTSCTS) {
-               info->flags |= ASYNC_CTS_FLOW;
+               info->port.flags |= ASYNC_CTS_FLOW;
        } else
-               info->flags &= ~ASYNC_CTS_FLOW;
+               info->port.flags &= ~ASYNC_CTS_FLOW;
        if (cflag & CLOCAL)
-               info->flags &= ~ASYNC_CHECK_CD;
+               info->port.flags &= ~ASYNC_CHECK_CD;
        else {
-               info->flags |= ASYNC_CHECK_CD;
+               info->port.flags |= ASYNC_CHECK_CD;
        }
 }
 
 static int
 isdn_tty_startup(modem_info *info)
 {
-       if (info->flags & ASYNC_INITIALIZED)
+       if (info->port.flags & ASYNC_INITIALIZED)
                return 0;
        isdn_lock_drivers();
 #ifdef ISDN_DEBUG_MODEM_OPEN
@@ -1076,7 +1076,7 @@ isdn_tty_startup(modem_info *info)
         */
        isdn_tty_change_speed(info);
 
-       info->flags |= ASYNC_INITIALIZED;
+       info->port.flags |= ASYNC_INITIALIZED;
        info->msr |= (UART_MSR_DSR | UART_MSR_CTS);
        info->send_outstanding = 0;
        return 0;
@@ -1089,7 +1089,7 @@ isdn_tty_startup(modem_info *info)
 static void
 isdn_tty_shutdown(modem_info *info)
 {
-       if (!(info->flags & ASYNC_INITIALIZED))
+       if (!(info->port.flags & ASYNC_INITIALIZED))
                return;
 #ifdef ISDN_DEBUG_MODEM_OPEN
        printk(KERN_DEBUG "Shutting down isdnmodem port %d ....\n", info->line);
@@ -1109,7 +1109,7 @@ isdn_tty_shutdown(modem_info *info)
        if (info->tty)
                set_bit(TTY_IO_ERROR, &info->tty->flags);
 
-       info->flags &= ~ASYNC_INITIALIZED;
+       info->port.flags &= ~ASYNC_INITIALIZED;
 }
 
 /* isdn_tty_write() is the main send-routine. It is called from the upper
@@ -1496,11 +1496,11 @@ isdn_tty_block_til_ready(struct tty_struct *tty, struct file *filp, modem_info *
         * until it's done, and then try again.
         */
        if (tty_hung_up_p(filp) ||
-           (info->flags & ASYNC_CLOSING)) {
-               if (info->flags & ASYNC_CLOSING)
+           (info->port.flags & ASYNC_CLOSING)) {
+               if (info->port.flags & ASYNC_CLOSING)
                        interruptible_sleep_on(&info->close_wait);
 #ifdef MODEM_DO_RESTART
-               if (info->flags & ASYNC_HUP_NOTIFY)
+               if (info->port.flags & ASYNC_HUP_NOTIFY)
                        return -EAGAIN;
                else
                        return -ERESTARTSYS;
@@ -1514,7 +1514,7 @@ isdn_tty_block_til_ready(struct tty_struct *tty, struct file *filp, modem_info *
         */
        if ((filp->f_flags & O_NONBLOCK) ||
            (tty->flags & (1 << TTY_IO_ERROR))) {
-               info->flags |= ASYNC_NORMAL_ACTIVE;
+               info->port.flags |= ASYNC_NORMAL_ACTIVE;
                return 0;
        }
        if (tty->termios->c_cflag & CLOCAL)
@@ -1538,9 +1538,9 @@ isdn_tty_block_til_ready(struct tty_struct *tty, struct file *filp, modem_info *
        while (1) {
                set_current_state(TASK_INTERRUPTIBLE);
                if (tty_hung_up_p(filp) ||
-                   !(info->flags & ASYNC_INITIALIZED)) {
+                   !(info->port.flags & ASYNC_INITIALIZED)) {
 #ifdef MODEM_DO_RESTART
-                       if (info->flags & ASYNC_HUP_NOTIFY)
+                       if (info->port.flags & ASYNC_HUP_NOTIFY)
                                retval = -EAGAIN;
                        else
                                retval = -ERESTARTSYS;
@@ -1549,7 +1549,7 @@ isdn_tty_block_til_ready(struct tty_struct *tty, struct file *filp, modem_info *
 #endif
                        break;
                }
-               if (!(info->flags & ASYNC_CLOSING) &&
+               if (!(info->port.flags & ASYNC_CLOSING) &&
                    (do_clocal || (info->msr & UART_MSR_DCD))) {
                        break;
                }
@@ -1574,7 +1574,7 @@ isdn_tty_block_til_ready(struct tty_struct *tty, struct file *filp, modem_info *
 #endif
        if (retval)
                return retval;
-       info->flags |= ASYNC_NORMAL_ACTIVE;
+       info->port.flags |= ASYNC_NORMAL_ACTIVE;
        return 0;
 }
 
@@ -1600,6 +1600,7 @@ isdn_tty_open(struct tty_struct *tty, struct file *filp)
        info->count++;
        tty->driver_data = info;
        info->tty = tty;
+       tty->port = &info->port;
        /*
         * Start up serial port
         */
@@ -1664,7 +1665,7 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp)
 #endif
                return;
        }
-       info->flags |= ASYNC_CLOSING;
+       info->port.flags |= ASYNC_CLOSING;
 
        tty->closing = 1;
        /*
@@ -1673,7 +1674,7 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp)
         * interrupt driver to stop checking the data ready bit in the
         * line status register.
         */
-       if (info->flags & ASYNC_INITIALIZED) {
+       if (info->port.flags & ASYNC_INITIALIZED) {
                tty_wait_until_sent_from_close(tty, 3000);      /* 30 seconds timeout */
                /*
                 * Before we drop DTR, make sure the UART transmitter
@@ -1698,7 +1699,7 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp)
                msleep_interruptible(500);
                wake_up_interruptible(&info->open_wait);
        }
-       info->flags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CLOSING);
+       info->port.flags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CLOSING);
        wake_up_interruptible(&info->close_wait);
 #ifdef ISDN_DEBUG_MODEM_OPEN
        printk(KERN_DEBUG "isdn_tty_close normal exit\n");
@@ -1717,7 +1718,7 @@ isdn_tty_hangup(struct tty_struct *tty)
                return;
        isdn_tty_shutdown(info);
        info->count = 0;
-       info->flags &= ~ASYNC_NORMAL_ACTIVE;
+       info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
        info->tty = NULL;
        wake_up_interruptible(&info->open_wait);
 }
@@ -1881,6 +1882,7 @@ isdn_tty_modem_init(void)
                        goto err_unregister;
                }
 #endif
+               tty_port_init(&info->port);
                spin_lock_init(&info->readlock);
                sprintf(info->last_cause, "0000");
                sprintf(info->last_num, "none");
@@ -2055,12 +2057,12 @@ isdn_tty_find_icall(int di, int ch, setup_parm *setup)
 #ifdef ISDN_DEBUG_MODEM_ICALL
                        printk(KERN_DEBUG "m_fi: match1 wret=%d\n", wret);
                        printk(KERN_DEBUG "m_fi: idx=%d flags=%08lx drv=%d ch=%d usg=%d\n", idx,
-                              info->flags, info->isdn_driver, info->isdn_channel,
-                              dev->usage[idx]);
+                              info->port.flags, info->isdn_driver,
+                              info->isdn_channel, dev->usage[idx]);
 #endif
                        if (
 #ifndef FIX_FILE_TRANSFER
-                               (info->flags & ASYNC_NORMAL_ACTIVE) &&
+                               (info->port.flags & ASYNC_NORMAL_ACTIVE) &&
 #endif
                                (info->isdn_driver == -1) &&
                                (info->isdn_channel == -1) &&
@@ -2099,7 +2101,7 @@ isdn_tty_find_icall(int di, int ch, setup_parm *setup)
        return (wret == 2) ? 3 : 0;
 }
 
-#define TTY_IS_ACTIVE(info)    (info->flags & ASYNC_NORMAL_ACTIVE)
+#define TTY_IS_ACTIVE(info)    (info->port.flags & ASYNC_NORMAL_ACTIVE)
 
 int
 isdn_tty_stat_callback(int i, isdn_ctrl *c)
@@ -2318,7 +2320,7 @@ isdn_tty_at_cout(char *msg, modem_info *info)
 
        spin_lock_irqsave(&info->readlock, flags);
        tty = info->tty;
-       if ((info->flags & ASYNC_CLOSING) || (!tty)) {
+       if ((info->port.flags & ASYNC_CLOSING) || (!tty)) {
                spin_unlock_irqrestore(&info->readlock, flags);
                return;
        }
@@ -2468,13 +2470,13 @@ isdn_tty_modem_result(int code, modem_info *info)
        case RESULT_NO_CARRIER:
 #ifdef ISDN_DEBUG_MODEM_HUP
                printk(KERN_DEBUG "modem_result: NO CARRIER %d %d\n",
-                      (info->flags & ASYNC_CLOSING),
+                      (info->port.flags & ASYNC_CLOSING),
                       (!info->tty));
 #endif
                m->mdmreg[REG_RINGCNT] = 0;
                del_timer(&info->nc_timer);
                info->ncarrier = 0;
-               if ((info->flags & ASYNC_CLOSING) || (!info->tty))
+               if ((info->port.flags & ASYNC_CLOSING) || (!info->tty))
                        return;
 
 #ifdef CONFIG_ISDN_AUDIO
@@ -2607,10 +2609,10 @@ isdn_tty_modem_result(int code, modem_info *info)
                }
        }
        if (code == RESULT_NO_CARRIER) {
-               if ((info->flags & ASYNC_CLOSING) || (!info->tty))
+               if ((info->port.flags & ASYNC_CLOSING) || (!info->tty))
                        return;
 
-               if (info->flags & ASYNC_CHECK_CD)
+               if (info->port.flags & ASYNC_CHECK_CD)
                        tty_hangup(info->tty);
        }
 }

diff --git a/include/linux/isdn.h b/include/linux/isdn.h
index 63af320..bb71041 100644 (file)
--- a/include/linux/isdn.h
+++ b/include/linux/isdn.h
@@ -15,6 +15,7 @@
 #define __ISDN_H__
 
 #include <linux/ioctl.h>
+#include <linux/tty.h>
 
 #define ISDN_MAX_DRIVERS    32
 #define ISDN_MAX_CHANNELS   64
@@ -435,7 +436,7 @@ typedef struct atemu {
 /* Private data (similar to async_struct in <linux/serial.h>) */
 typedef struct modem_info {
   int                  magic;
-  int                  flags;           /* defined in tty.h               */
+  struct tty_port      port;
   int                  x_char;          /* xon/xoff character             */
   int                  mcr;             /* Modem control register         */
   int                   msr;             /* Modem status register          */