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TTY: isdn, use open/close_wait from tty_port

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Hmm, the isdn ones were initialized twice.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Karsten Keil <isdn@linux-pingi.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby 2012-04-02 13:53:55 +02:00 committed by Greg Kroah-Hartman
parent 48decc1c74
commit c6e92b63d7
3 changed files with 7 additions and 12 deletions
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2
drivers/isdn/i4l/isdn_common.c
View File

@ -2327,8 +2327,6 @@ static int __init isdn_init(void)
dev->chanmap[i] = -1;
dev->m_idx[i] = -1;
strcpy(dev->num[i], "???");
init_waitqueue_head(&dev->mdm.info[i].open_wait);
init_waitqueue_head(&dev->mdm.info[i].close_wait);
}
if (register_chrdev(ISDN_MAJOR, "isdn", &isdn_fops)) {
printk(KERN_WARNING "isdn: Could not register control devices\n");

16
drivers/isdn/i4l/isdn_tty.c
View File

@ -1498,7 +1498,7 @@ isdn_tty_block_til_ready(struct tty_struct *tty, struct file *filp, modem_info *
if (tty_hung_up_p(filp) ||
(info->port.flags & ASYNC_CLOSING)) {
if (info->port.flags & ASYNC_CLOSING)
interruptible_sleep_on(&info->close_wait);
interruptible_sleep_on(&info->port.close_wait);
#ifdef MODEM_DO_RESTART
if (info->port.flags & ASYNC_HUP_NOTIFY)
return -EAGAIN;
@ -1527,7 +1527,7 @@ isdn_tty_block_til_ready(struct tty_struct *tty, struct file *filp, modem_info *
* exit, either normal or abnormal.
*/
retval = 0;
add_wait_queue(&info->open_wait, &wait);
add_wait_queue(&info->port.open_wait, &wait);
#ifdef ISDN_DEBUG_MODEM_OPEN
printk(KERN_DEBUG "isdn_tty_block_til_ready before block: ttyi%d, count = %d\n",
info->line, info->count);
@ -1564,7 +1564,7 @@ isdn_tty_block_til_ready(struct tty_struct *tty, struct file *filp, modem_info *
schedule();
}
current->state = TASK_RUNNING;
remove_wait_queue(&info->open_wait, &wait);
remove_wait_queue(&info->port.open_wait, &wait);
if (!tty_hung_up_p(filp))
info->count++;
info->blocked_open--;
@ -1697,10 +1697,10 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp)
tty->closing = 0;
if (info->blocked_open) {
msleep_interruptible(500);
wake_up_interruptible(&info->open_wait);
wake_up_interruptible(&info->port.open_wait);
}
info->port.flags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CLOSING);
wake_up_interruptible(&info->close_wait);
wake_up_interruptible(&info->port.close_wait);
#ifdef ISDN_DEBUG_MODEM_OPEN
printk(KERN_DEBUG "isdn_tty_close normal exit\n");
#endif
@ -1720,7 +1720,7 @@ isdn_tty_hangup(struct tty_struct *tty)
info->count = 0;
info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
info->tty = NULL;
wake_up_interruptible(&info->open_wait);
wake_up_interruptible(&info->port.open_wait);
}
/* This routine initializes all emulator-data.
@ -1898,8 +1898,6 @@ isdn_tty_modem_init(void)
info->x_char = 0;
info->count = 0;
info->blocked_open = 0;
init_waitqueue_head(&info->open_wait);
init_waitqueue_head(&info->close_wait);
info->isdn_driver = -1;
info->isdn_channel = -1;
info->drv_index = -1;
@ -2194,7 +2192,7 @@ isdn_tty_stat_callback(int i, isdn_ctrl *c)
*/
if (info->blocked_open &&
(info->emu.mdmreg[REG_DCD] & BIT_DCD)) {
wake_up_interruptible(&info->open_wait);
wake_up_interruptible(&info->port.open_wait);
}
/* Schedule CONNECT-Message to any tty

1
include/linux/isdn.h
View File

@ -483,7 +483,6 @@ typedef struct modem_info {
#endif
struct tty_struct *tty; /* Pointer to corresponding tty */
atemu emu; /* AT-emulator data */
wait_queue_head_t open_wait, close_wait;
spinlock_t readlock;
} modem_info;