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Commit ba43294d authored by Jiri Slaby's avatar Jiri Slaby Committed by Greg Kroah-Hartman
Browse files

TTY: isdn, use tty from tty_port 



No recounting this time, just a plain switch.

Signed-off-by: default avatarJiri Slaby <jslaby@suse.cz>
Cc: Karsten Keil <isdn@linux-pingi.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 1b05f030

drivers/isdn/i4l/isdn_tty.c

+20 −21
Original line number Diff line number Diff line
@@ -68,7 +68,7 @@ isdn_tty_try_read(modem_info *info, struct sk_buff *skb) 
	if (!info->online)

		return 0;



	tty = info->tty;

	tty = info->port.tty;

	if (!tty)

		return 0;
@@ -144,7 +144,7 @@ isdn_tty_readmodem(void) 
		if ((info->vonline & 1) && (info->emu.vpar[1]))

			isdn_audio_eval_silence(info);

#endif

		tty = info->tty;

		tty = info->port.tty;

		if (tty) {

			if (info->mcr & UART_MCR_RTS) {

				/* CISCO AsyncPPP Hack */
@@ -300,7 +300,7 @@ isdn_tty_tint(modem_info *info) 
	len = skb->len;

	if ((slen = isdn_writebuf_skb_stub(info->isdn_driver,

					   info->isdn_channel, 1, skb)) == len) {

		struct tty_struct *tty = info->tty;

		struct tty_struct *tty = info->port.tty;

		info->send_outstanding++;

		info->msr &= ~UART_MSR_CTS;

		info->lsr &= ~UART_LSR_TEMT;
@@ -705,7 +705,7 @@ isdn_tty_modem_hup(modem_info *info, int local) 
	printk(KERN_DEBUG "Mhup ttyI%d\n", info->line);

#endif

	info->rcvsched = 0;

	isdn_tty_flush_buffer(info->tty);

	isdn_tty_flush_buffer(info->port.tty);

	if (info->online) {

		info->last_lhup = local;

		info->online = 0;
@@ -1008,15 +1008,15 @@ isdn_tty_change_speed(modem_info *info) 
		quot;

	int i;



	if (!info->tty || !info->tty->termios)

	if (!info->port.tty || !info->port.tty->termios)

		return;

	cflag = info->tty->termios->c_cflag;

	cflag = info->port.tty->termios->c_cflag;



	quot = i = cflag & CBAUD;

	if (i & CBAUDEX) {

		i &= ~CBAUDEX;

		if (i < 1 || i > 2)

			info->tty->termios->c_cflag &= ~CBAUDEX;

			info->port.tty->termios->c_cflag &= ~CBAUDEX;

		else

			i += 15;

	}
@@ -1069,8 +1069,8 @@ isdn_tty_startup(modem_info *info) 
	 * Now, initialize the UART

	 */

	info->mcr = UART_MCR_DTR | UART_MCR_RTS | UART_MCR_OUT2;

	if (info->tty)

		clear_bit(TTY_IO_ERROR, &info->tty->flags);

	if (info->port.tty)

		clear_bit(TTY_IO_ERROR, &info->port.tty->flags);

	/*

	 * and set the speed of the serial port

	 */
@@ -1096,7 +1096,7 @@ isdn_tty_shutdown(modem_info *info) 
#endif

	isdn_unlock_drivers();

	info->msr &= ~UART_MSR_RI;

	if (!info->tty || (info->tty->termios->c_cflag & HUPCL)) {

	if (!info->port.tty || (info->port.tty->termios->c_cflag & HUPCL)) {

		info->mcr &= ~(UART_MCR_DTR | UART_MCR_RTS);

		if (info->emu.mdmreg[REG_DTRHUP] & BIT_DTRHUP) {

			isdn_tty_modem_reset_regs(info, 0);
@@ -1106,8 +1106,8 @@ isdn_tty_shutdown(modem_info *info) 
			isdn_tty_modem_hup(info, 1);

		}

	}

	if (info->tty)

		set_bit(TTY_IO_ERROR, &info->tty->flags);

	if (info->port.tty)

		set_bit(TTY_IO_ERROR, &info->port.tty->flags);



	info->port.flags &= ~ASYNC_INITIALIZED;

}
@@ -1599,7 +1599,7 @@ isdn_tty_open(struct tty_struct *tty, struct file *filp) 
#endif

	info->port.count++;

	tty->driver_data = info;

	info->tty = tty;

	info->port.tty = tty;

	tty->port = &info->port;

	/*

	 * Start up serial port
@@ -1692,7 +1692,7 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp) 
	isdn_tty_shutdown(info);

	isdn_tty_flush_buffer(tty);

	tty_ldisc_flush(tty);

	info->tty = NULL;

	info->port.tty = NULL;

	info->ncarrier = 0;

	tty->closing = 0;

	if (info->port.blocked_open) {
@@ -1719,7 +1719,7 @@ isdn_tty_hangup(struct tty_struct *tty) 
	isdn_tty_shutdown(info);

	info->port.count = 0;

	info->port.flags &= ~ASYNC_NORMAL_ACTIVE;

	info->tty = NULL;

	info->port.tty = NULL;

	wake_up_interruptible(&info->port.open_wait);

}
@@ -1894,7 +1894,6 @@ isdn_tty_modem_init(void) 
		isdn_tty_modem_reset_regs(info, 1);

		info->magic = ISDN_ASYNC_MAGIC;

		info->line = i;

		info->tty = NULL;

		info->x_char = 0;

		info->isdn_driver = -1;

		info->isdn_channel = -1;
@@ -2316,7 +2315,7 @@ isdn_tty_at_cout(char *msg, modem_info *info) 
	l = strlen(msg);



	spin_lock_irqsave(&info->readlock, flags);

	tty = info->tty;

	tty = info->port.tty;

	if ((info->port.flags & ASYNC_CLOSING) || (!tty)) {

		spin_unlock_irqrestore(&info->readlock, flags);

		return;
@@ -2468,12 +2467,12 @@ isdn_tty_modem_result(int code, modem_info *info) 
#ifdef ISDN_DEBUG_MODEM_HUP

		printk(KERN_DEBUG "modem_result: NO CARRIER %d %d\n",

		       (info->port.flags & ASYNC_CLOSING),

		       (!info->tty));

		       (!info->port.tty));

#endif

		m->mdmreg[REG_RINGCNT] = 0;

		del_timer(&info->nc_timer);

		info->ncarrier = 0;

		if ((info->port.flags & ASYNC_CLOSING) || (!info->tty))

		if ((info->port.flags & ASYNC_CLOSING) || (!info->port.tty))

			return;



#ifdef CONFIG_ISDN_AUDIO
@@ -2606,11 +2605,11 @@ isdn_tty_modem_result(int code, modem_info *info) 
		}

	}

	if (code == RESULT_NO_CARRIER) {

		if ((info->port.flags & ASYNC_CLOSING) || (!info->tty))

		if ((info->port.flags & ASYNC_CLOSING) || (!info->port.tty))

			return;



		if (info->port.flags & ASYNC_CHECK_CD)

			tty_hangup(info->tty);

			tty_hangup(info->port.tty);

	}

}

include/linux/isdn.h

+0 −1
Original line number Diff line number Diff line
@@ -479,7 +479,6 @@ typedef struct modem_info { 
  struct T30_s		*fax;		 /* T30 Fax Group 3 data/interface */

  int			faxonline;	 /* Fax-channel status             */

#endif

  struct tty_struct 	*tty;            /* Pointer to corresponding tty   */

  atemu                 emu;             /* AT-emulator data               */

  spinlock_t	        readlock;

} modem_info;