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authorAlan Cox <alan@redhat.com>2008-07-16 16:56:46 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-20 20:12:37 -0400
commit8fb06c771399b8d51d724756411108e9abe2a85a (patch)
tree8f1bfa4d03c545def4968141420c727074d89da2 /drivers/char/synclinkmp.c
parentf8ae47641611fcdf175ab8bbe89054731b16971d (diff)
synclink: use tty_port
Switch the synclink ports to use the new tty_port structure Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/synclinkmp.c')
-rw-r--r--drivers/char/synclinkmp.c203
1 files changed, 98 insertions, 105 deletions
diff --git a/drivers/char/synclinkmp.c b/drivers/char/synclinkmp.c
index 5341b5aaf8bc..5b5b292d046b 100644
--- a/drivers/char/synclinkmp.c
+++ b/drivers/char/synclinkmp.c
@@ -151,18 +151,15 @@ struct _input_signal_events {
151typedef struct _synclinkmp_info { 151typedef struct _synclinkmp_info {
152 void *if_ptr; /* General purpose pointer (used by SPPP) */ 152 void *if_ptr; /* General purpose pointer (used by SPPP) */
153 int magic; 153 int magic;
154 int flags; 154 struct tty_port port;
155 int count; /* count of opens */
156 int line; 155 int line;
157 unsigned short close_delay; 156 unsigned short close_delay;
158 unsigned short closing_wait; /* time to wait before closing */ 157 unsigned short closing_wait; /* time to wait before closing */
159 158
160 struct mgsl_icount icount; 159 struct mgsl_icount icount;
161 160
162 struct tty_struct *tty;
163 int timeout; 161 int timeout;
164 int x_char; /* xon/xoff character */ 162 int x_char; /* xon/xoff character */
165 int blocked_open; /* # of blocked opens */
166 u16 read_status_mask1; /* break detection (SR1 indications) */ 163 u16 read_status_mask1; /* break detection (SR1 indications) */
167 u16 read_status_mask2; /* parity/framing/overun (SR2 indications) */ 164 u16 read_status_mask2; /* parity/framing/overun (SR2 indications) */
168 unsigned char ignore_status_mask1; /* break detection (SR1 indications) */ 165 unsigned char ignore_status_mask1; /* break detection (SR1 indications) */
@@ -172,9 +169,6 @@ typedef struct _synclinkmp_info {
172 int tx_get; 169 int tx_get;
173 int tx_count; 170 int tx_count;
174 171
175 wait_queue_head_t open_wait;
176 wait_queue_head_t close_wait;
177
178 wait_queue_head_t status_event_wait_q; 172 wait_queue_head_t status_event_wait_q;
179 wait_queue_head_t event_wait_q; 173 wait_queue_head_t event_wait_q;
180 struct timer_list tx_timer; /* HDLC transmit timeout timer */ 174 struct timer_list tx_timer; /* HDLC transmit timeout timer */
@@ -462,13 +456,13 @@ static int synclinkmp_device_count = 0;
462 * .text section address and breakpoint on module load. 456 * .text section address and breakpoint on module load.
463 * This is useful for use with gdb and add-symbol-file command. 457 * This is useful for use with gdb and add-symbol-file command.
464 */ 458 */
465static int break_on_load=0; 459static int break_on_load = 0;
466 460
467/* 461/*
468 * Driver major number, defaults to zero to get auto 462 * Driver major number, defaults to zero to get auto
469 * assigned major number. May be forced as module parameter. 463 * assigned major number. May be forced as module parameter.
470 */ 464 */
471static int ttymajor=0; 465static int ttymajor = 0;
472 466
473/* 467/*
474 * Array of user specified options for ISA adapters. 468 * Array of user specified options for ISA adapters.
@@ -747,22 +741,22 @@ static int open(struct tty_struct *tty, struct file *filp)
747 } 741 }
748 742
749 tty->driver_data = info; 743 tty->driver_data = info;
750 info->tty = tty; 744 info->port.tty = tty;
751 745
752 if (debug_level >= DEBUG_LEVEL_INFO) 746 if (debug_level >= DEBUG_LEVEL_INFO)
753 printk("%s(%d):%s open(), old ref count = %d\n", 747 printk("%s(%d):%s open(), old ref count = %d\n",
754 __FILE__,__LINE__,tty->driver->name, info->count); 748 __FILE__,__LINE__,tty->driver->name, info->port.count);
755 749
756 /* If port is closing, signal caller to try again */ 750 /* If port is closing, signal caller to try again */
757 if (tty_hung_up_p(filp) || info->flags & ASYNC_CLOSING){ 751 if (tty_hung_up_p(filp) || info->port.flags & ASYNC_CLOSING){
758 if (info->flags & ASYNC_CLOSING) 752 if (info->port.flags & ASYNC_CLOSING)
759 interruptible_sleep_on(&info->close_wait); 753 interruptible_sleep_on(&info->port.close_wait);
760 retval = ((info->flags & ASYNC_HUP_NOTIFY) ? 754 retval = ((info->port.flags & ASYNC_HUP_NOTIFY) ?
761 -EAGAIN : -ERESTARTSYS); 755 -EAGAIN : -ERESTARTSYS);
762 goto cleanup; 756 goto cleanup;
763 } 757 }
764 758
765 info->tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0; 759 info->port.tty->low_latency = (info->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0;
766 760
767 spin_lock_irqsave(&info->netlock, flags); 761 spin_lock_irqsave(&info->netlock, flags);
768 if (info->netcount) { 762 if (info->netcount) {
@@ -770,10 +764,10 @@ static int open(struct tty_struct *tty, struct file *filp)
770 spin_unlock_irqrestore(&info->netlock, flags); 764 spin_unlock_irqrestore(&info->netlock, flags);
771 goto cleanup; 765 goto cleanup;
772 } 766 }
773 info->count++; 767 info->port.count++;
774 spin_unlock_irqrestore(&info->netlock, flags); 768 spin_unlock_irqrestore(&info->netlock, flags);
775 769
776 if (info->count == 1) { 770 if (info->port.count == 1) {
777 /* 1st open on this device, init hardware */ 771 /* 1st open on this device, init hardware */
778 retval = startup(info); 772 retval = startup(info);
779 if (retval < 0) 773 if (retval < 0)
@@ -796,9 +790,9 @@ static int open(struct tty_struct *tty, struct file *filp)
796cleanup: 790cleanup:
797 if (retval) { 791 if (retval) {
798 if (tty->count == 1) 792 if (tty->count == 1)
799 info->tty = NULL; /* tty layer will release tty struct */ 793 info->port.tty = NULL; /* tty layer will release tty struct */
800 if(info->count) 794 if(info->port.count)
801 info->count--; 795 info->port.count--;
802 } 796 }
803 797
804 return retval; 798 return retval;
@@ -816,33 +810,33 @@ static void close(struct tty_struct *tty, struct file *filp)
816 810
817 if (debug_level >= DEBUG_LEVEL_INFO) 811 if (debug_level >= DEBUG_LEVEL_INFO)
818 printk("%s(%d):%s close() entry, count=%d\n", 812 printk("%s(%d):%s close() entry, count=%d\n",
819 __FILE__,__LINE__, info->device_name, info->count); 813 __FILE__,__LINE__, info->device_name, info->port.count);
820 814
821 if (!info->count) 815 if (!info->port.count)
822 return; 816 return;
823 817
824 if (tty_hung_up_p(filp)) 818 if (tty_hung_up_p(filp))
825 goto cleanup; 819 goto cleanup;
826 820
827 if ((tty->count == 1) && (info->count != 1)) { 821 if ((tty->count == 1) && (info->port.count != 1)) {
828 /* 822 /*
829 * tty->count is 1 and the tty structure will be freed. 823 * tty->count is 1 and the tty structure will be freed.
830 * info->count should be one in this case. 824 * info->port.count should be one in this case.
831 * if it's not, correct it so that the port is shutdown. 825 * if it's not, correct it so that the port is shutdown.
832 */ 826 */
833 printk("%s(%d):%s close: bad refcount; tty->count is 1, " 827 printk("%s(%d):%s close: bad refcount; tty->count is 1, "
834 "info->count is %d\n", 828 "info->port.count is %d\n",
835 __FILE__,__LINE__, info->device_name, info->count); 829 __FILE__,__LINE__, info->device_name, info->port.count);
836 info->count = 1; 830 info->port.count = 1;
837 } 831 }
838 832
839 info->count--; 833 info->port.count--;
840 834
841 /* if at least one open remaining, leave hardware active */ 835 /* if at least one open remaining, leave hardware active */
842 if (info->count) 836 if (info->port.count)
843 goto cleanup; 837 goto cleanup;
844 838
845 info->flags |= ASYNC_CLOSING; 839 info->port.flags |= ASYNC_CLOSING;
846 840
847 /* set tty->closing to notify line discipline to 841 /* set tty->closing to notify line discipline to
848 * only process XON/XOFF characters. Only the N_TTY 842 * only process XON/XOFF characters. Only the N_TTY
@@ -859,7 +853,7 @@ static void close(struct tty_struct *tty, struct file *filp)
859 tty_wait_until_sent(tty, info->closing_wait); 853 tty_wait_until_sent(tty, info->closing_wait);
860 } 854 }
861 855
862 if (info->flags & ASYNC_INITIALIZED) 856 if (info->port.flags & ASYNC_INITIALIZED)
863 wait_until_sent(tty, info->timeout); 857 wait_until_sent(tty, info->timeout);
864 858
865 flush_buffer(tty); 859 flush_buffer(tty);
@@ -869,23 +863,23 @@ static void close(struct tty_struct *tty, struct file *filp)
869 shutdown(info); 863 shutdown(info);
870 864
871 tty->closing = 0; 865 tty->closing = 0;
872 info->tty = NULL; 866 info->port.tty = NULL;
873 867
874 if (info->blocked_open) { 868 if (info->port.blocked_open) {
875 if (info->close_delay) { 869 if (info->close_delay) {
876 msleep_interruptible(jiffies_to_msecs(info->close_delay)); 870 msleep_interruptible(jiffies_to_msecs(info->close_delay));
877 } 871 }
878 wake_up_interruptible(&info->open_wait); 872 wake_up_interruptible(&info->port.open_wait);
879 } 873 }
880 874
881 info->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING); 875 info->port.flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING);
882 876
883 wake_up_interruptible(&info->close_wait); 877 wake_up_interruptible(&info->port.close_wait);
884 878
885cleanup: 879cleanup:
886 if (debug_level >= DEBUG_LEVEL_INFO) 880 if (debug_level >= DEBUG_LEVEL_INFO)
887 printk("%s(%d):%s close() exit, count=%d\n", __FILE__,__LINE__, 881 printk("%s(%d):%s close() exit, count=%d\n", __FILE__,__LINE__,
888 tty->driver->name, info->count); 882 tty->driver->name, info->port.count);
889} 883}
890 884
891/* Called by tty_hangup() when a hangup is signaled. 885/* Called by tty_hangup() when a hangup is signaled.
@@ -905,11 +899,11 @@ static void hangup(struct tty_struct *tty)
905 flush_buffer(tty); 899 flush_buffer(tty);
906 shutdown(info); 900 shutdown(info);
907 901
908 info->count = 0; 902 info->port.count = 0;
909 info->flags &= ~ASYNC_NORMAL_ACTIVE; 903 info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
910 info->tty = NULL; 904 info->port.tty = NULL;
911 905
912 wake_up_interruptible(&info->open_wait); 906 wake_up_interruptible(&info->port.open_wait);
913} 907}
914 908
915/* Set new termios settings 909/* Set new termios settings
@@ -1123,7 +1117,7 @@ static void wait_until_sent(struct tty_struct *tty, int timeout)
1123 1117
1124 lock_kernel(); 1118 lock_kernel();
1125 1119
1126 if (!(info->flags & ASYNC_INITIALIZED)) 1120 if (!(info->port.flags & ASYNC_INITIALIZED))
1127 goto exit; 1121 goto exit;
1128 1122
1129 orig_jiffies = jiffies; 1123 orig_jiffies = jiffies;
@@ -1636,7 +1630,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding,
1636 unsigned short new_crctype; 1630 unsigned short new_crctype;
1637 1631
1638 /* return error if TTY interface open */ 1632 /* return error if TTY interface open */
1639 if (info->count) 1633 if (info->port.count)
1640 return -EBUSY; 1634 return -EBUSY;
1641 1635
1642 switch (encoding) 1636 switch (encoding)
@@ -1733,7 +1727,7 @@ static int hdlcdev_open(struct net_device *dev)
1733 1727
1734 /* arbitrate between network and tty opens */ 1728 /* arbitrate between network and tty opens */
1735 spin_lock_irqsave(&info->netlock, flags); 1729 spin_lock_irqsave(&info->netlock, flags);
1736 if (info->count != 0 || info->netcount != 0) { 1730 if (info->port.count != 0 || info->netcount != 0) {
1737 printk(KERN_WARNING "%s: hdlc_open returning busy\n", dev->name); 1731 printk(KERN_WARNING "%s: hdlc_open returning busy\n", dev->name);
1738 spin_unlock_irqrestore(&info->netlock, flags); 1732 spin_unlock_irqrestore(&info->netlock, flags);
1739 return -EBUSY; 1733 return -EBUSY;
@@ -1819,7 +1813,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
1819 printk("%s:hdlcdev_ioctl(%s)\n",__FILE__,dev->name); 1813 printk("%s:hdlcdev_ioctl(%s)\n",__FILE__,dev->name);
1820 1814
1821 /* return error if TTY interface open */ 1815 /* return error if TTY interface open */
1822 if (info->count) 1816 if (info->port.count)
1823 return -EBUSY; 1817 return -EBUSY;
1824 1818
1825 if (cmd != SIOCWANDEV) 1819 if (cmd != SIOCWANDEV)
@@ -2128,7 +2122,7 @@ static void bh_receive(SLMP_INFO *info)
2128 2122
2129static void bh_transmit(SLMP_INFO *info) 2123static void bh_transmit(SLMP_INFO *info)
2130{ 2124{
2131 struct tty_struct *tty = info->tty; 2125 struct tty_struct *tty = info->port.tty;
2132 2126
2133 if ( debug_level >= DEBUG_LEVEL_BH ) 2127 if ( debug_level >= DEBUG_LEVEL_BH )
2134 printk( "%s(%d):%s bh_transmit() entry\n", 2128 printk( "%s(%d):%s bh_transmit() entry\n",
@@ -2178,7 +2172,7 @@ static void isr_timer(SLMP_INFO * info)
2178 2172
2179static void isr_rxint(SLMP_INFO * info) 2173static void isr_rxint(SLMP_INFO * info)
2180{ 2174{
2181 struct tty_struct *tty = info->tty; 2175 struct tty_struct *tty = info->port.tty;
2182 struct mgsl_icount *icount = &info->icount; 2176 struct mgsl_icount *icount = &info->icount;
2183 unsigned char status = read_reg(info, SR1) & info->ie1_value & (FLGD + IDLD + CDCD + BRKD); 2177 unsigned char status = read_reg(info, SR1) & info->ie1_value & (FLGD + IDLD + CDCD + BRKD);
2184 unsigned char status2 = read_reg(info, SR2) & info->ie2_value & OVRN; 2178 unsigned char status2 = read_reg(info, SR2) & info->ie2_value & OVRN;
@@ -2205,7 +2199,7 @@ static void isr_rxint(SLMP_INFO * info)
2205 if (!(status & info->ignore_status_mask1)) { 2199 if (!(status & info->ignore_status_mask1)) {
2206 if (info->read_status_mask1 & BRKD) { 2200 if (info->read_status_mask1 & BRKD) {
2207 tty_insert_flip_char(tty, 0, TTY_BREAK); 2201 tty_insert_flip_char(tty, 0, TTY_BREAK);
2208 if (info->flags & ASYNC_SAK) 2202 if (info->port.flags & ASYNC_SAK)
2209 do_SAK(tty); 2203 do_SAK(tty);
2210 } 2204 }
2211 } 2205 }
@@ -2239,7 +2233,7 @@ static void isr_rxrdy(SLMP_INFO * info)
2239{ 2233{
2240 u16 status; 2234 u16 status;
2241 unsigned char DataByte; 2235 unsigned char DataByte;
2242 struct tty_struct *tty = info->tty; 2236 struct tty_struct *tty = info->port.tty;
2243 struct mgsl_icount *icount = &info->icount; 2237 struct mgsl_icount *icount = &info->icount;
2244 2238
2245 if ( debug_level >= DEBUG_LEVEL_ISR ) 2239 if ( debug_level >= DEBUG_LEVEL_ISR )
@@ -2352,7 +2346,7 @@ static void isr_txeom(SLMP_INFO * info, unsigned char status)
2352 else 2346 else
2353#endif 2347#endif
2354 { 2348 {
2355 if (info->tty && (info->tty->stopped || info->tty->hw_stopped)) { 2349 if (info->port.tty && (info->port.tty->stopped || info->port.tty->hw_stopped)) {
2356 tx_stop(info); 2350 tx_stop(info);
2357 return; 2351 return;
2358 } 2352 }
@@ -2407,7 +2401,7 @@ static void isr_txrdy(SLMP_INFO * info)
2407 return; 2401 return;
2408 } 2402 }
2409 2403
2410 if (info->tty && (info->tty->stopped || info->tty->hw_stopped)) { 2404 if (info->port.tty && (info->port.tty->stopped || info->port.tty->hw_stopped)) {
2411 tx_stop(info); 2405 tx_stop(info);
2412 return; 2406 return;
2413 } 2407 }
@@ -2554,29 +2548,29 @@ static void isr_io_pin( SLMP_INFO *info, u16 status )
2554 wake_up_interruptible(&info->status_event_wait_q); 2548 wake_up_interruptible(&info->status_event_wait_q);
2555 wake_up_interruptible(&info->event_wait_q); 2549 wake_up_interruptible(&info->event_wait_q);
2556 2550
2557 if ( (info->flags & ASYNC_CHECK_CD) && 2551 if ( (info->port.flags & ASYNC_CHECK_CD) &&
2558 (status & MISCSTATUS_DCD_LATCHED) ) { 2552 (status & MISCSTATUS_DCD_LATCHED) ) {
2559 if ( debug_level >= DEBUG_LEVEL_ISR ) 2553 if ( debug_level >= DEBUG_LEVEL_ISR )
2560 printk("%s CD now %s...", info->device_name, 2554 printk("%s CD now %s...", info->device_name,
2561 (status & SerialSignal_DCD) ? "on" : "off"); 2555 (status & SerialSignal_DCD) ? "on" : "off");
2562 if (status & SerialSignal_DCD) 2556 if (status & SerialSignal_DCD)
2563 wake_up_interruptible(&info->open_wait); 2557 wake_up_interruptible(&info->port.open_wait);
2564 else { 2558 else {
2565 if ( debug_level >= DEBUG_LEVEL_ISR ) 2559 if ( debug_level >= DEBUG_LEVEL_ISR )
2566 printk("doing serial hangup..."); 2560 printk("doing serial hangup...");
2567 if (info->tty) 2561 if (info->port.tty)
2568 tty_hangup(info->tty); 2562 tty_hangup(info->port.tty);
2569 } 2563 }
2570 } 2564 }
2571 2565
2572 if ( (info->flags & ASYNC_CTS_FLOW) && 2566 if ( (info->port.flags & ASYNC_CTS_FLOW) &&
2573 (status & MISCSTATUS_CTS_LATCHED) ) { 2567 (status & MISCSTATUS_CTS_LATCHED) ) {
2574 if ( info->tty ) { 2568 if ( info->port.tty ) {
2575 if (info->tty->hw_stopped) { 2569 if (info->port.tty->hw_stopped) {
2576 if (status & SerialSignal_CTS) { 2570 if (status & SerialSignal_CTS) {
2577 if ( debug_level >= DEBUG_LEVEL_ISR ) 2571 if ( debug_level >= DEBUG_LEVEL_ISR )
2578 printk("CTS tx start..."); 2572 printk("CTS tx start...");
2579 info->tty->hw_stopped = 0; 2573 info->port.tty->hw_stopped = 0;
2580 tx_start(info); 2574 tx_start(info);
2581 info->pending_bh |= BH_TRANSMIT; 2575 info->pending_bh |= BH_TRANSMIT;
2582 return; 2576 return;
@@ -2585,7 +2579,7 @@ static void isr_io_pin( SLMP_INFO *info, u16 status )
2585 if (!(status & SerialSignal_CTS)) { 2579 if (!(status & SerialSignal_CTS)) {
2586 if ( debug_level >= DEBUG_LEVEL_ISR ) 2580 if ( debug_level >= DEBUG_LEVEL_ISR )
2587 printk("CTS tx stop..."); 2581 printk("CTS tx stop...");
2588 info->tty->hw_stopped = 1; 2582 info->port.tty->hw_stopped = 1;
2589 tx_stop(info); 2583 tx_stop(info);
2590 } 2584 }
2591 } 2585 }
@@ -2701,7 +2695,7 @@ static irqreturn_t synclinkmp_interrupt(int dummy, void *dev_id)
2701 * do not request bottom half processing if the 2695 * do not request bottom half processing if the
2702 * device is not open in a normal mode. 2696 * device is not open in a normal mode.
2703 */ 2697 */
2704 if ( port && (port->count || port->netcount) && 2698 if ( port && (port->port.count || port->netcount) &&
2705 port->pending_bh && !port->bh_running && 2699 port->pending_bh && !port->bh_running &&
2706 !port->bh_requested ) { 2700 !port->bh_requested ) {
2707 if ( debug_level >= DEBUG_LEVEL_ISR ) 2701 if ( debug_level >= DEBUG_LEVEL_ISR )
@@ -2727,7 +2721,7 @@ static int startup(SLMP_INFO * info)
2727 if ( debug_level >= DEBUG_LEVEL_INFO ) 2721 if ( debug_level >= DEBUG_LEVEL_INFO )
2728 printk("%s(%d):%s tx_releaseup()\n",__FILE__,__LINE__,info->device_name); 2722 printk("%s(%d):%s tx_releaseup()\n",__FILE__,__LINE__,info->device_name);
2729 2723
2730 if (info->flags & ASYNC_INITIALIZED) 2724 if (info->port.flags & ASYNC_INITIALIZED)
2731 return 0; 2725 return 0;
2732 2726
2733 if (!info->tx_buf) { 2727 if (!info->tx_buf) {
@@ -2750,10 +2744,10 @@ static int startup(SLMP_INFO * info)
2750 2744
2751 mod_timer(&info->status_timer, jiffies + msecs_to_jiffies(10)); 2745 mod_timer(&info->status_timer, jiffies + msecs_to_jiffies(10));
2752 2746
2753 if (info->tty) 2747 if (info->port.tty)
2754 clear_bit(TTY_IO_ERROR, &info->tty->flags); 2748 clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
2755 2749
2756 info->flags |= ASYNC_INITIALIZED; 2750 info->port.flags |= ASYNC_INITIALIZED;
2757 2751
2758 return 0; 2752 return 0;
2759} 2753}
@@ -2764,7 +2758,7 @@ static void shutdown(SLMP_INFO * info)
2764{ 2758{
2765 unsigned long flags; 2759 unsigned long flags;
2766 2760
2767 if (!(info->flags & ASYNC_INITIALIZED)) 2761 if (!(info->port.flags & ASYNC_INITIALIZED))
2768 return; 2762 return;
2769 2763
2770 if (debug_level >= DEBUG_LEVEL_INFO) 2764 if (debug_level >= DEBUG_LEVEL_INFO)
@@ -2786,17 +2780,17 @@ static void shutdown(SLMP_INFO * info)
2786 2780
2787 reset_port(info); 2781 reset_port(info);
2788 2782
2789 if (!info->tty || info->tty->termios->c_cflag & HUPCL) { 2783 if (!info->port.tty || info->port.tty->termios->c_cflag & HUPCL) {
2790 info->serial_signals &= ~(SerialSignal_DTR + SerialSignal_RTS); 2784 info->serial_signals &= ~(SerialSignal_DTR + SerialSignal_RTS);
2791 set_signals(info); 2785 set_signals(info);
2792 } 2786 }
2793 2787
2794 spin_unlock_irqrestore(&info->lock,flags); 2788 spin_unlock_irqrestore(&info->lock,flags);
2795 2789
2796 if (info->tty) 2790 if (info->port.tty)
2797 set_bit(TTY_IO_ERROR, &info->tty->flags); 2791 set_bit(TTY_IO_ERROR, &info->port.tty->flags);
2798 2792
2799 info->flags &= ~ASYNC_INITIALIZED; 2793 info->port.flags &= ~ASYNC_INITIALIZED;
2800} 2794}
2801 2795
2802static void program_hw(SLMP_INFO *info) 2796static void program_hw(SLMP_INFO *info)
@@ -2827,7 +2821,7 @@ static void program_hw(SLMP_INFO *info)
2827 2821
2828 get_signals(info); 2822 get_signals(info);
2829 2823
2830 if (info->netcount || (info->tty && info->tty->termios->c_cflag & CREAD) ) 2824 if (info->netcount || (info->port.tty && info->port.tty->termios->c_cflag & CREAD) )
2831 rx_start(info); 2825 rx_start(info);
2832 2826
2833 spin_unlock_irqrestore(&info->lock,flags); 2827 spin_unlock_irqrestore(&info->lock,flags);
@@ -2840,14 +2834,14 @@ static void change_params(SLMP_INFO *info)
2840 unsigned cflag; 2834 unsigned cflag;
2841 int bits_per_char; 2835 int bits_per_char;
2842 2836
2843 if (!info->tty || !info->tty->termios) 2837 if (!info->port.tty || !info->port.tty->termios)
2844 return; 2838 return;
2845 2839
2846 if (debug_level >= DEBUG_LEVEL_INFO) 2840 if (debug_level >= DEBUG_LEVEL_INFO)
2847 printk("%s(%d):%s change_params()\n", 2841 printk("%s(%d):%s change_params()\n",
2848 __FILE__,__LINE__, info->device_name ); 2842 __FILE__,__LINE__, info->device_name );
2849 2843
2850 cflag = info->tty->termios->c_cflag; 2844 cflag = info->port.tty->termios->c_cflag;
2851 2845
2852 /* if B0 rate (hangup) specified then negate DTR and RTS */ 2846 /* if B0 rate (hangup) specified then negate DTR and RTS */
2853 /* otherwise assert DTR and RTS */ 2847 /* otherwise assert DTR and RTS */
@@ -2895,7 +2889,7 @@ static void change_params(SLMP_INFO *info)
2895 * current data rate. 2889 * current data rate.
2896 */ 2890 */
2897 if (info->params.data_rate <= 460800) { 2891 if (info->params.data_rate <= 460800) {
2898 info->params.data_rate = tty_get_baud_rate(info->tty); 2892 info->params.data_rate = tty_get_baud_rate(info->port.tty);
2899 } 2893 }
2900 2894
2901 if ( info->params.data_rate ) { 2895 if ( info->params.data_rate ) {
@@ -2905,30 +2899,30 @@ static void change_params(SLMP_INFO *info)
2905 info->timeout += HZ/50; /* Add .02 seconds of slop */ 2899 info->timeout += HZ/50; /* Add .02 seconds of slop */
2906 2900
2907 if (cflag & CRTSCTS) 2901 if (cflag & CRTSCTS)
2908 info->flags |= ASYNC_CTS_FLOW; 2902 info->port.flags |= ASYNC_CTS_FLOW;
2909 else 2903 else
2910 info->flags &= ~ASYNC_CTS_FLOW; 2904 info->port.flags &= ~ASYNC_CTS_FLOW;
2911 2905
2912 if (cflag & CLOCAL) 2906 if (cflag & CLOCAL)
2913 info->flags &= ~ASYNC_CHECK_CD; 2907 info->port.flags &= ~ASYNC_CHECK_CD;
2914 else 2908 else
2915 info->flags |= ASYNC_CHECK_CD; 2909 info->port.flags |= ASYNC_CHECK_CD;
2916 2910
2917 /* process tty input control flags */ 2911 /* process tty input control flags */
2918 2912
2919 info->read_status_mask2 = OVRN; 2913 info->read_status_mask2 = OVRN;
2920 if (I_INPCK(info->tty)) 2914 if (I_INPCK(info->port.tty))
2921 info->read_status_mask2 |= PE | FRME; 2915 info->read_status_mask2 |= PE | FRME;
2922 if (I_BRKINT(info->tty) || I_PARMRK(info->tty)) 2916 if (I_BRKINT(info->port.tty) || I_PARMRK(info->port.tty))
2923 info->read_status_mask1 |= BRKD; 2917 info->read_status_mask1 |= BRKD;
2924 if (I_IGNPAR(info->tty)) 2918 if (I_IGNPAR(info->port.tty))
2925 info->ignore_status_mask2 |= PE | FRME; 2919 info->ignore_status_mask2 |= PE | FRME;
2926 if (I_IGNBRK(info->tty)) { 2920 if (I_IGNBRK(info->port.tty)) {
2927 info->ignore_status_mask1 |= BRKD; 2921 info->ignore_status_mask1 |= BRKD;
2928 /* If ignoring parity and break indicators, ignore 2922 /* If ignoring parity and break indicators, ignore
2929 * overruns too. (For real raw support). 2923 * overruns too. (For real raw support).
2930 */ 2924 */
2931 if (I_IGNPAR(info->tty)) 2925 if (I_IGNPAR(info->port.tty))
2932 info->ignore_status_mask2 |= OVRN; 2926 info->ignore_status_mask2 |= OVRN;
2933 } 2927 }
2934 2928
@@ -3348,7 +3342,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp,
3348 if (filp->f_flags & O_NONBLOCK || tty->flags & (1 << TTY_IO_ERROR)){ 3342 if (filp->f_flags & O_NONBLOCK || tty->flags & (1 << TTY_IO_ERROR)){
3349 /* nonblock mode is set or port is not enabled */ 3343 /* nonblock mode is set or port is not enabled */
3350 /* just verify that callout device is not active */ 3344 /* just verify that callout device is not active */
3351 info->flags |= ASYNC_NORMAL_ACTIVE; 3345 info->port.flags |= ASYNC_NORMAL_ACTIVE;
3352 return 0; 3346 return 0;
3353 } 3347 }
3354 3348
@@ -3357,25 +3351,25 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp,
3357 3351
3358 /* Wait for carrier detect and the line to become 3352 /* Wait for carrier detect and the line to become
3359 * free (i.e., not in use by the callout). While we are in 3353 * free (i.e., not in use by the callout). While we are in
3360 * this loop, info->count is dropped by one, so that 3354 * this loop, info->port.count is dropped by one, so that
3361 * close() knows when to free things. We restore it upon 3355 * close() knows when to free things. We restore it upon
3362 * exit, either normal or abnormal. 3356 * exit, either normal or abnormal.
3363 */ 3357 */
3364 3358
3365 retval = 0; 3359 retval = 0;
3366 add_wait_queue(&info->open_wait, &wait); 3360 add_wait_queue(&info->port.open_wait, &wait);
3367 3361
3368 if (debug_level >= DEBUG_LEVEL_INFO) 3362 if (debug_level >= DEBUG_LEVEL_INFO)
3369 printk("%s(%d):%s block_til_ready() before block, count=%d\n", 3363 printk("%s(%d):%s block_til_ready() before block, count=%d\n",
3370 __FILE__,__LINE__, tty->driver->name, info->count ); 3364 __FILE__,__LINE__, tty->driver->name, info->port.count );
3371 3365
3372 spin_lock_irqsave(&info->lock, flags); 3366 spin_lock_irqsave(&info->lock, flags);
3373 if (!tty_hung_up_p(filp)) { 3367 if (!tty_hung_up_p(filp)) {
3374 extra_count = true; 3368 extra_count = true;
3375 info->count--; 3369 info->port.count--;
3376 } 3370 }
3377 spin_unlock_irqrestore(&info->lock, flags); 3371 spin_unlock_irqrestore(&info->lock, flags);
3378 info->blocked_open++; 3372 info->port.blocked_open++;
3379 3373
3380 while (1) { 3374 while (1) {
3381 if ((tty->termios->c_cflag & CBAUD)) { 3375 if ((tty->termios->c_cflag & CBAUD)) {
@@ -3387,8 +3381,8 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp,
3387 3381
3388 set_current_state(TASK_INTERRUPTIBLE); 3382 set_current_state(TASK_INTERRUPTIBLE);
3389 3383
3390 if (tty_hung_up_p(filp) || !(info->flags & ASYNC_INITIALIZED)){ 3384 if (tty_hung_up_p(filp) || !(info->port.flags & ASYNC_INITIALIZED)){
3391 retval = (info->flags & ASYNC_HUP_NOTIFY) ? 3385 retval = (info->port.flags & ASYNC_HUP_NOTIFY) ?
3392 -EAGAIN : -ERESTARTSYS; 3386 -EAGAIN : -ERESTARTSYS;
3393 break; 3387 break;
3394 } 3388 }
@@ -3397,7 +3391,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp,
3397 get_signals(info); 3391 get_signals(info);
3398 spin_unlock_irqrestore(&info->lock,flags); 3392 spin_unlock_irqrestore(&info->lock,flags);
3399 3393
3400 if (!(info->flags & ASYNC_CLOSING) && 3394 if (!(info->port.flags & ASYNC_CLOSING) &&
3401 (do_clocal || (info->serial_signals & SerialSignal_DCD)) ) { 3395 (do_clocal || (info->serial_signals & SerialSignal_DCD)) ) {
3402 break; 3396 break;
3403 } 3397 }
@@ -3409,24 +3403,24 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp,
3409 3403
3410 if (debug_level >= DEBUG_LEVEL_INFO) 3404 if (debug_level >= DEBUG_LEVEL_INFO)
3411 printk("%s(%d):%s block_til_ready() count=%d\n", 3405 printk("%s(%d):%s block_til_ready() count=%d\n",
3412 __FILE__,__LINE__, tty->driver->name, info->count ); 3406 __FILE__,__LINE__, tty->driver->name, info->port.count );
3413 3407
3414 schedule(); 3408 schedule();
3415 } 3409 }
3416 3410
3417 set_current_state(TASK_RUNNING); 3411 set_current_state(TASK_RUNNING);
3418 remove_wait_queue(&info->open_wait, &wait); 3412 remove_wait_queue(&info->port.open_wait, &wait);
3419 3413
3420 if (extra_count) 3414 if (extra_count)
3421 info->count++; 3415 info->port.count++;
3422 info->blocked_open--; 3416 info->port.blocked_open--;
3423 3417
3424 if (debug_level >= DEBUG_LEVEL_INFO) 3418 if (debug_level >= DEBUG_LEVEL_INFO)
3425 printk("%s(%d):%s block_til_ready() after, count=%d\n", 3419 printk("%s(%d):%s block_til_ready() after, count=%d\n",
3426 __FILE__,__LINE__, tty->driver->name, info->count ); 3420 __FILE__,__LINE__, tty->driver->name, info->port.count );
3427 3421
3428 if (!retval) 3422 if (!retval)
3429 info->flags |= ASYNC_NORMAL_ACTIVE; 3423 info->port.flags |= ASYNC_NORMAL_ACTIVE;
3430 3424
3431 return retval; 3425 return retval;
3432} 3426}
@@ -3813,8 +3807,7 @@ static SLMP_INFO *alloc_dev(int adapter_num, int port_num, struct pci_dev *pdev)
3813 info->max_frame_size = 4096; 3807 info->max_frame_size = 4096;
3814 info->close_delay = 5*HZ/10; 3808 info->close_delay = 5*HZ/10;
3815 info->closing_wait = 30*HZ; 3809 info->closing_wait = 30*HZ;
3816 init_waitqueue_head(&info->open_wait); 3810 tty_port_init(&info->port);
3817 init_waitqueue_head(&info->close_wait);
3818 init_waitqueue_head(&info->status_event_wait_q); 3811 init_waitqueue_head(&info->status_event_wait_q);
3819 init_waitqueue_head(&info->event_wait_q); 3812 init_waitqueue_head(&info->event_wait_q);
3820 spin_lock_init(&info->netlock); 3813 spin_lock_init(&info->netlock);
@@ -4885,7 +4878,7 @@ static bool rx_get_frame(SLMP_INFO *info)
4885 unsigned int framesize = 0; 4878 unsigned int framesize = 0;
4886 bool ReturnCode = false; 4879 bool ReturnCode = false;
4887 unsigned long flags; 4880 unsigned long flags;
4888 struct tty_struct *tty = info->tty; 4881 struct tty_struct *tty = info->port.tty;
4889 unsigned char addr_field = 0xff; 4882 unsigned char addr_field = 0xff;
4890 SCADESC *desc; 4883 SCADESC *desc;
4891 SCADESC_EX *desc_ex; 4884 SCADESC_EX *desc_ex;
@@ -5293,11 +5286,11 @@ static bool loopback_test(SLMP_INFO *info)
5293 bool rc = false; 5286 bool rc = false;
5294 unsigned long flags; 5287 unsigned long flags;
5295 5288
5296 struct tty_struct *oldtty = info->tty; 5289 struct tty_struct *oldtty = info->port.tty;
5297 u32 speed = info->params.clock_speed; 5290 u32 speed = info->params.clock_speed;
5298 5291
5299 info->params.clock_speed = 3686400; 5292 info->params.clock_speed = 3686400;
5300 info->tty = NULL; 5293 info->port.tty = NULL;
5301 5294
5302 /* assume failure */ 5295 /* assume failure */
5303 info->init_error = DiagStatus_DmaFailure; 5296 info->init_error = DiagStatus_DmaFailure;
@@ -5341,7 +5334,7 @@ static bool loopback_test(SLMP_INFO *info)
5341 spin_unlock_irqrestore(&info->lock,flags); 5334 spin_unlock_irqrestore(&info->lock,flags);
5342 5335
5343 info->params.clock_speed = speed; 5336 info->params.clock_speed = speed;
5344 info->tty = oldtty; 5337 info->port.tty = oldtty;
5345 5338
5346 return rc; 5339 return rc;
5347} 5340}