TTY: isdn, use counts from tty_port
authorJiri Slaby <jslaby@suse.cz>
Mon, 2 Apr 2012 11:53:56 +0000 (13:53 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 9 Apr 2012 18:16:55 +0000 (11:16 -0700)
blocked_open and count this time.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Karsten Keil <isdn@linux-pingi.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/isdn/i4l/isdn_tty.c
include/linux/isdn.h

index 33764d052e196be87cc6a3b89d3af28a69a59870..c81a725fde746f866a77d1aced075cda99164652 100644 (file)
@@ -1533,8 +1533,8 @@ isdn_tty_block_til_ready(struct tty_struct *tty, struct file *filp, modem_info *
               info->line, info->count);
 #endif
        if (!(tty_hung_up_p(filp)))
-               info->count--;
-       info->blocked_open++;
+               info->port.count--;
+       info->port.blocked_open++;
        while (1) {
                set_current_state(TASK_INTERRUPTIBLE);
                if (tty_hung_up_p(filp) ||
@@ -1559,18 +1559,18 @@ isdn_tty_block_til_ready(struct tty_struct *tty, struct file *filp, modem_info *
                }
 #ifdef ISDN_DEBUG_MODEM_OPEN
                printk(KERN_DEBUG "isdn_tty_block_til_ready blocking: ttyi%d, count = %d\n",
-                      info->line, info->count);
+                      info->line, info->port.count);
 #endif
                schedule();
        }
        current->state = TASK_RUNNING;
        remove_wait_queue(&info->port.open_wait, &wait);
        if (!tty_hung_up_p(filp))
-               info->count++;
-       info->blocked_open--;
+               info->port.count++;
+       info->port.blocked_open--;
 #ifdef ISDN_DEBUG_MODEM_OPEN
        printk(KERN_DEBUG "isdn_tty_block_til_ready after blocking: ttyi%d, count = %d\n",
-              info->line, info->count);
+              info->line, info->port.count);
 #endif
        if (retval)
                return retval;
@@ -1595,9 +1595,9 @@ isdn_tty_open(struct tty_struct *tty, struct file *filp)
                return -ENODEV;
 #ifdef ISDN_DEBUG_MODEM_OPEN
        printk(KERN_DEBUG "isdn_tty_open %s, count = %d\n", tty->name,
-              info->count);
+              info->port.count);
 #endif
-       info->count++;
+       info->port.count++;
        tty->driver_data = info;
        info->tty = tty;
        tty->port = &info->port;
@@ -1642,7 +1642,7 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp)
 #endif
                return;
        }
-       if ((tty->count == 1) && (info->count != 1)) {
+       if ((tty->count == 1) && (info->port.count != 1)) {
                /*
                 * Uh, oh.  tty->count is 1, which means that the tty
                 * structure will be freed.  Info->count should always
@@ -1651,15 +1651,15 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp)
                 * serial port won't be shutdown.
                 */
                printk(KERN_ERR "isdn_tty_close: bad port count; tty->count is 1, "
-                      "info->count is %d\n", info->count);
-               info->count = 1;
+                      "info->count is %d\n", info->port.count);
+               info->port.count = 1;
        }
-       if (--info->count < 0) {
+       if (--info->port.count < 0) {
                printk(KERN_ERR "isdn_tty_close: bad port count for ttyi%d: %d\n",
-                      info->line, info->count);
-               info->count = 0;
+                      info->line, info->port.count);
+               info->port.count = 0;
        }
-       if (info->count) {
+       if (info->port.count) {
 #ifdef ISDN_DEBUG_MODEM_OPEN
                printk(KERN_DEBUG "isdn_tty_close after info->count != 0\n");
 #endif
@@ -1695,7 +1695,7 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp)
        info->tty = NULL;
        info->ncarrier = 0;
        tty->closing = 0;
-       if (info->blocked_open) {
+       if (info->port.blocked_open) {
                msleep_interruptible(500);
                wake_up_interruptible(&info->port.open_wait);
        }
@@ -1717,7 +1717,7 @@ isdn_tty_hangup(struct tty_struct *tty)
        if (isdn_tty_paranoia_check(info, tty->name, "isdn_tty_hangup"))
                return;
        isdn_tty_shutdown(info);
-       info->count = 0;
+       info->port.count = 0;
        info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
        info->tty = NULL;
        wake_up_interruptible(&info->port.open_wait);
@@ -1896,8 +1896,6 @@ isdn_tty_modem_init(void)
                info->line = i;
                info->tty = NULL;
                info->x_char = 0;
-               info->count = 0;
-               info->blocked_open = 0;
                info->isdn_driver = -1;
                info->isdn_channel = -1;
                info->drv_index = -1;
@@ -2047,7 +2045,7 @@ isdn_tty_find_icall(int di, int ch, setup_parm *setup)
        for (i = 0; i < ISDN_MAX_CHANNELS; i++) {
                modem_info *info = &dev->mdm.info[i];
 
-               if (info->count == 0)
+               if (info->port.count == 0)
                        continue;
                if ((info->emu.mdmreg[REG_SI1] & si2bit[si1]) &&  /* SI1 is matching */
                    (info->emu.mdmreg[REG_SI2] == si2)) {         /* SI2 is matching */
@@ -2190,7 +2188,7 @@ isdn_tty_stat_callback(int i, isdn_ctrl *c)
                         * for incoming call of this device when
                         * DCD follow the state of incoming carrier
                         */
-                       if (info->blocked_open &&
+                       if (info->port.blocked_open &&
                            (info->emu.mdmreg[REG_DCD] & BIT_DCD)) {
                                wake_up_interruptible(&info->port.open_wait);
                        }
@@ -2200,7 +2198,8 @@ isdn_tty_stat_callback(int i, isdn_ctrl *c)
                         * set DCD-bit of its modem-status.
                         */
                        if (TTY_IS_ACTIVE(info) ||
-                           (info->blocked_open && (info->emu.mdmreg[REG_DCD] & BIT_DCD))) {
+                           (info->port.blocked_open &&
+                            (info->emu.mdmreg[REG_DCD] & BIT_DCD))) {
                                info->msr |= UART_MSR_DCD;
                                info->emu.charge = 0;
                                if (info->dialing & 0xf)
index c3ddf2081907226d4b5733d6f7a82b6d0161bee3..a4b71fe20a6926e5f8d50086aa157084a4cfc55d 100644 (file)
@@ -442,8 +442,6 @@ typedef struct modem_info {
   int                   msr;             /* Modem status register          */
   int                   lsr;             /* Line status register           */
   int                  line;
-  int                  count;           /* # of fd on device              */
-  int                  blocked_open;    /* # of blocked opens             */
   int                   online;          /* 1 = B-Channel is up, drop data */
                                         /* 2 = B-Channel is up, deliver d.*/
   int                   dialing;         /* Dial in progress or ATA        */