diff options
| -rw-r--r-- | drivers/char/synclink.c | 195 | ||||
| -rw-r--r-- | drivers/char/synclink_gt.c | 201 | ||||
| -rw-r--r-- | drivers/char/synclinkmp.c | 203 |
3 files changed, 289 insertions, 310 deletions
diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c index 5e4b2e638d0c..734098f7dfa2 100644 --- a/drivers/char/synclink.c +++ b/drivers/char/synclink.c @@ -180,8 +180,7 @@ struct tx_holding_buffer { struct mgsl_struct { int magic; - int flags; - int count; /* count of opens */ + struct tty_port port; int line; int hw_version; unsigned short close_delay; @@ -189,10 +188,8 @@ struct mgsl_struct { struct mgsl_icount icount; - struct tty_struct *tty; int timeout; int x_char; /* xon/xoff character */ - int blocked_open; /* # of blocked opens */ u16 read_status_mask; u16 ignore_status_mask; unsigned char *xmit_buf; @@ -200,9 +197,6 @@ struct mgsl_struct { int xmit_tail; int xmit_cnt; - wait_queue_head_t open_wait; - wait_queue_head_t close_wait; - wait_queue_head_t status_event_wait_q; wait_queue_head_t event_wait_q; struct timer_list tx_timer; /* HDLC transmit timeout timer */ @@ -1134,7 +1128,7 @@ static void mgsl_bh_receive(struct mgsl_struct *info) static void mgsl_bh_transmit(struct mgsl_struct *info) { - struct tty_struct *tty = info->tty; + struct tty_struct *tty = info->port.tty; unsigned long flags; if ( debug_level >= DEBUG_LEVEL_BH ) @@ -1276,7 +1270,7 @@ static void mgsl_isr_transmit_status( struct mgsl_struct *info ) else #endif { - if (info->tty->stopped || info->tty->hw_stopped) { + if (info->port.tty->stopped || info->port.tty->hw_stopped) { usc_stop_transmitter(info); return; } @@ -1357,29 +1351,29 @@ static void mgsl_isr_io_pin( struct mgsl_struct *info ) wake_up_interruptible(&info->status_event_wait_q); wake_up_interruptible(&info->event_wait_q); - if ( (info->flags & ASYNC_CHECK_CD) && + if ( (info->port.flags & ASYNC_CHECK_CD) && (status & MISCSTATUS_DCD_LATCHED) ) { if ( debug_level >= DEBUG_LEVEL_ISR ) printk("%s CD now %s...", info->device_name, (status & MISCSTATUS_DCD) ? "on" : "off"); if (status & MISCSTATUS_DCD) - wake_up_interruptible(&info->open_wait); + wake_up_interruptible(&info->port.open_wait); else { if ( debug_level >= DEBUG_LEVEL_ISR ) printk("doing serial hangup..."); - if (info->tty) - tty_hangup(info->tty); + if (info->port.tty) + tty_hangup(info->port.tty); } } - if ( (info->flags & ASYNC_CTS_FLOW) && + if ( (info->port.flags & ASYNC_CTS_FLOW) && (status & MISCSTATUS_CTS_LATCHED) ) { - if (info->tty->hw_stopped) { + if (info->port.tty->hw_stopped) { if (status & MISCSTATUS_CTS) { if ( debug_level >= DEBUG_LEVEL_ISR ) printk("CTS tx start..."); - if (info->tty) - info->tty->hw_stopped = 0; + if (info->port.tty) + info->port.tty->hw_stopped = 0; usc_start_transmitter(info); info->pending_bh |= BH_TRANSMIT; return; @@ -1388,8 +1382,8 @@ static void mgsl_isr_io_pin( struct mgsl_struct *info ) if (!(status & MISCSTATUS_CTS)) { if ( debug_level >= DEBUG_LEVEL_ISR ) printk("CTS tx stop..."); - if (info->tty) - info->tty->hw_stopped = 1; + if (info->port.tty) + info->port.tty->hw_stopped = 1; usc_stop_transmitter(info); } } @@ -1423,7 +1417,7 @@ static void mgsl_isr_transmit_data( struct mgsl_struct *info ) usc_ClearIrqPendingBits( info, TRANSMIT_DATA ); - if (info->tty->stopped || info->tty->hw_stopped) { + if (info->port.tty->stopped || info->port.tty->hw_stopped) { usc_stop_transmitter(info); return; } @@ -1453,7 +1447,7 @@ static void mgsl_isr_receive_data( struct mgsl_struct *info ) u16 status; int work = 0; unsigned char DataByte; - struct tty_struct *tty = info->tty; + struct tty_struct *tty = info->port.tty; struct mgsl_icount *icount = &info->icount; if ( debug_level >= DEBUG_LEVEL_ISR ) @@ -1514,7 +1508,7 @@ static void mgsl_isr_receive_data( struct mgsl_struct *info ) if (status & RXSTATUS_BREAK_RECEIVED) { flag = TTY_BREAK; - if (info->flags & ASYNC_SAK) + if (info->port.flags & ASYNC_SAK) do_SAK(tty); } else if (status & RXSTATUS_PARITY_ERROR) flag = TTY_PARITY; @@ -1771,7 +1765,7 @@ static int startup(struct mgsl_struct * info) if ( debug_level >= DEBUG_LEVEL_INFO ) printk("%s(%d):mgsl_startup(%s)\n",__FILE__,__LINE__,info->device_name); - if (info->flags & ASYNC_INITIALIZED) + if (info->port.flags & ASYNC_INITIALIZED) return 0; if (!info->xmit_buf) { @@ -1798,8 +1792,8 @@ static int startup(struct mgsl_struct * info) retval = mgsl_adapter_test(info); if ( retval ) { - if (capable(CAP_SYS_ADMIN) && info->tty) - set_bit(TTY_IO_ERROR, &info->tty->flags); + if (capable(CAP_SYS_ADMIN) && info->port.tty) + set_bit(TTY_IO_ERROR, &info->port.tty->flags); mgsl_release_resources(info); return retval; } @@ -1807,10 +1801,10 @@ static int startup(struct mgsl_struct * info) /* program hardware for current parameters */ mgsl_change_params(info); - if (info->tty) - clear_bit(TTY_IO_ERROR, &info->tty->flags); + if (info->port.tty) + clear_bit(TTY_IO_ERROR, &info->port.tty->flags); - info->flags |= ASYNC_INITIALIZED; + info->port.flags |= ASYNC_INITIALIZED; return 0; @@ -1827,7 +1821,7 @@ static void shutdown(struct mgsl_struct * info) { unsigned long flags; - if (!(info->flags & ASYNC_INITIALIZED)) + if (!(info->port.flags & ASYNC_INITIALIZED)) return; if (debug_level >= DEBUG_LEVEL_INFO) @@ -1864,7 +1858,7 @@ static void shutdown(struct mgsl_struct * info) /* on the ISA adapter. This has no effect for the PCI adapter */ usc_OutReg(info, PCR, (u16)((usc_InReg(info, PCR) | BIT13) | BIT12)); - if (!info->tty || info->tty->termios->c_cflag & HUPCL) { + if (!info->port.tty || info->port.tty->termios->c_cflag & HUPCL) { info->serial_signals &= ~(SerialSignal_DTR + SerialSignal_RTS); usc_set_serial_signals(info); } @@ -1873,10 +1867,10 @@ static void shutdown(struct mgsl_struct * info) mgsl_release_resources(info); - 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->flags &= ~ASYNC_INITIALIZED; + info->port.flags &= ~ASYNC_INITIALIZED; } /* end of shutdown() */ @@ -1908,7 +1902,7 @@ static void mgsl_program_hw(struct mgsl_struct *info) usc_EnableInterrupts(info, IO_PIN); usc_get_serial_signals(info); - if (info->netcount || info->tty->termios->c_cflag & CREAD) + if (info->netcount || info->port.tty->termios->c_cflag & CREAD) usc_start_receiver(info); spin_unlock_irqrestore(&info->irq_spinlock,flags); @@ -1921,14 +1915,14 @@ static void mgsl_change_params(struct mgsl_struct *info) unsigned cflag; int bits_per_char; - if (!info->tty || !info->tty->termios) + if (!info->port.tty || !info->port.tty->termios) return; if (debug_level >= DEBUG_LEVEL_INFO) printk("%s(%d):mgsl_change_params(%s)\n", __FILE__,__LINE__, info->device_name ); - cflag = info->tty->termios->c_cflag; + cflag = info->port.tty->termios->c_cflag; /* if B0 rate (hangup) specified then negate DTR and RTS */ /* otherwise assert DTR and RTS */ @@ -1976,7 +1970,7 @@ static void mgsl_change_params(struct mgsl_struct *info) * current data rate. */ if (info->params.data_rate <= 460800) - info->params.data_rate = tty_get_baud_rate(info->tty); + info->params.data_rate = tty_get_baud_rate(info->port.tty); if ( info->params.data_rate ) { info->timeout = (32*HZ*bits_per_char) / @@ -1985,31 +1979,31 @@ static void mgsl_change_params(struct mgsl_struct *info) info->timeout += HZ/50; /* Add .02 seconds of slop */ 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; /* process tty input control flags */ info->read_status_mask = RXSTATUS_OVERRUN; - if (I_INPCK(info->tty)) + if (I_INPCK(info->port.tty)) info->read_status_mask |= RXSTATUS_PARITY_ERROR | RXSTATUS_FRAMING_ERROR; - if (I_BRKINT(info->tty) || I_PARMRK(info->tty)) + if (I_BRKINT(info->port.tty) || I_PARMRK(info->port.tty)) info->read_status_mask |= RXSTATUS_BREAK_RECEIVED; - if (I_IGNPAR(info->tty)) + if (I_IGNPAR(info->port.tty)) info->ignore_status_mask |= RXSTATUS_PARITY_ERROR | RXSTATUS_FRAMING_ERROR; - if (I_IGNBRK(info->tty)) { + if (I_IGNBRK(info->port.tty)) { info->ignore_status_mask |= RXSTATUS_BREAK_RECEIVED; /* If ignoring parity and break indicators, ignore * overruns too. (For real raw support). */ - if (I_IGNPAR(info->tty)) + if (I_IGNPAR(info->port.tty)) info->ignore_status_mask |= RXSTATUS_OVERRUN; } @@ -3113,32 +3107,32 @@ static void mgsl_close(struct tty_struct *tty, struct file * filp) if (debug_level >= DEBUG_LEVEL_INFO) printk("%s(%d):mgsl_close(%s) entry, count=%d\n", - __FILE__,__LINE__, info->device_name, info->count); + __FILE__,__LINE__, info->device_name, info->port.count); - if (!info->count) + if (!info->port.count) return; if (tty_hung_up_p(filp)) goto cleanup; - if ((tty->count == 1) && (info->count != 1)) { + if ((tty->count == 1) && (info->port.count != 1)) { /* * tty->count is 1 and the tty structure will be freed. - * info->count should be one in this case. + * info->port.count should be one in this case. * if it's not, correct it so that the port is shutdown. */ printk("mgsl_close: bad refcount; tty->count is 1, " - "info->count is %d\n", info->count); - info->count = 1; + "info->port.count is %d\n", info->port.count); + info->port.count = 1; } - info->count--; + info->port.count--; /* if at least one open remaining, leave hardware active */ - if (info->count) + if (info->port.count) goto cleanup; - info->flags |= ASYNC_CLOSING; + info->port.flags |= ASYNC_CLOSING; /* set tty->closing to notify line discipline to * only process XON/XOFF characters. Only the N_TTY @@ -3155,7 +3149,7 @@ static void mgsl_close(struct tty_struct *tty, struct file * filp) tty_wait_until_sent(tty, info->closing_wait); } - if (info->flags & ASYNC_INITIALIZED) + if (info->port.flags & ASYNC_INITIALIZED) mgsl_wait_until_sent(tty, info->timeout); mgsl_flush_buffer(tty); @@ -3165,23 +3159,23 @@ static void mgsl_close(struct tty_struct *tty, struct file * filp) shutdown(info); tty->closing = 0; - info->tty = NULL; + info->port.tty = NULL; - if (info->blocked_open) { + if (info->port.blocked_open) { if (info->close_delay) { msleep_interruptible(jiffies_to_msecs(info->close_delay)); } - wake_up_interruptible(&info->open_wait); + wake_up_interruptible(&info->port.open_wait); } - info->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING); + info->port.flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING); - wake_up_interruptible(&info->close_wait); + wake_up_interruptible(&info->port.close_wait); cleanup: if (debug_level >= DEBUG_LEVEL_INFO) printk("%s(%d):mgsl_close(%s) exit, count=%d\n", __FILE__,__LINE__, - tty->driver->name, info->count); + tty->driver->name, info->port.count); } /* end of mgsl_close() */ @@ -3211,7 +3205,7 @@ static void mgsl_wait_until_sent(struct tty_struct *tty, int timeout) if (mgsl_paranoia_check(info, tty->name, "mgsl_wait_until_sent")) return; - if (!(info->flags & ASYNC_INITIALIZED)) + if (!(info->port.flags & ASYNC_INITIALIZED)) goto exit; orig_jiffies = jiffies; @@ -3283,11 +3277,11 @@ static void mgsl_hangup(struct tty_struct *tty) mgsl_flush_buffer(tty); shutdown(info); - info->count = 0; - info->flags &= ~ASYNC_NORMAL_ACTIVE; - info->tty = NULL; + info->port.count = 0; + info->port.flags &= ~ASYNC_NORMAL_ACTIVE; + info->port.tty = NULL; - wake_up_interruptible(&info->open_wait); + wake_up_interruptible(&info->port.open_wait); } /* end of mgsl_hangup() */ @@ -3319,7 +3313,7 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, if (filp->f_flags & O_NONBLOCK || tty->flags & (1 << TTY_IO_ERROR)){ /* nonblock mode is set or port is not enabled */ - info->flags |= ASYNC_NORMAL_ACTIVE; + info->port.flags |= ASYNC_NORMAL_ACTIVE; return 0; } @@ -3328,25 +3322,25 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, /* Wait for carrier detect and the line to become * free (i.e., not in use by the callout). While we are in - * this loop, info->count is dropped by one, so that + * this loop, info->port.count is dropped by one, so that * mgsl_close() knows when to free things. We restore it upon * exit, either normal or abnormal. */ retval = 0; - add_wait_queue(&info->open_wait, &wait); + add_wait_queue(&info->port.open_wait, &wait); if (debug_level >= DEBUG_LEVEL_INFO) printk("%s(%d):block_til_ready before block on %s count=%d\n", - __FILE__,__LINE__, tty->driver->name, info->count ); + __FILE__,__LINE__, tty->driver->name, info->port.count ); spin_lock_irqsave(&info->irq_spinlock, flags); if (!tty_hung_up_p(filp)) { extra_count = true; - info->count--; + info->port.count--; } spin_unlock_irqrestore(&info->irq_spinlock, flags); - info->blocked_open++; + info->port.blocked_open++; while (1) { if (tty->termios->c_cflag & CBAUD) { @@ -3358,8 +3352,8 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, set_current_state(TASK_INTERRUPTIBLE); - if (tty_hung_up_p(filp) || !(info->flags & ASYNC_INITIALIZED)){ - retval = (info->flags & ASYNC_HUP_NOTIFY) ? + if (tty_hung_up_p(filp) || !(info->port.flags & ASYNC_INITIALIZED)){ + retval = (info->port.flags & ASYNC_HUP_NOTIFY) ? -EAGAIN : -ERESTARTSYS; break; } @@ -3368,7 +3362,7 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, usc_get_serial_signals(info); spin_unlock_irqrestore(&info->irq_spinlock,flags); - if (!(info->flags & ASYNC_CLOSING) && + if (!(info->port.flags & ASYNC_CLOSING) && (do_clocal || (info->serial_signals & SerialSignal_DCD)) ) { break; } @@ -3380,24 +3374,24 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, if (debug_level >= DEBUG_LEVEL_INFO) printk("%s(%d):block_til_ready blocking on %s count=%d\n", - __FILE__,__LINE__, tty->driver->name, info->count ); + __FILE__,__LINE__, tty->driver->name, info->port.count ); schedule(); } set_current_state(TASK_RUNNING); - remove_wait_queue(&info->open_wait, &wait); + remove_wait_queue(&info->port.open_wait, &wait); if (extra_count) - info->count++; - info->blocked_open--; + info->port.count++; + info->port.blocked_open--; if (debug_level >= DEBUG_LEVEL_INFO) printk("%s(%d):block_til_ready after blocking on %s count=%d\n", - __FILE__,__LINE__, tty->driver->name, info->count ); + __FILE__,__LINE__, tty->driver->name, info->port.count ); if (!retval) - info->flags |= ASYNC_NORMAL_ACTIVE; + info->port.flags |= ASYNC_NORMAL_ACTIVE; return retval; @@ -3435,22 +3429,22 @@ static int mgsl_open(struct tty_struct *tty, struct file * filp) return -ENODEV; tty->driver_data = info; - info->tty = tty; + info->port.tty = tty; if (debug_level >= DEBUG_LEVEL_INFO) printk("%s(%d):mgsl_open(%s), old ref count = %d\n", - __FILE__,__LINE__,tty->driver->name, info->count); + __FILE__,__LINE__,tty->driver->name, info->port.count); /* If port is closing, signal caller to try again */ - if (tty_hung_up_p(filp) || info->flags & ASYNC_CLOSING){ - if (info->flags & ASYNC_CLOSING) - interruptible_sleep_on(&info->close_wait); - retval = ((info->flags & ASYNC_HUP_NOTIFY) ? + if (tty_hung_up_p(filp) || info->port.flags & ASYNC_CLOSING){ + if (info->port.flags & ASYNC_CLOSING) + interruptible_sleep_on(&info->port.close_wait); + retval = ((info->port.flags & ASYNC_HUP_NOTIFY) ? -EAGAIN : -ERESTARTSYS); goto cleanup; } - info->tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0; + info->port.tty->low_latency = (info->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0; spin_lock_irqsave(&info->netlock, flags); if (info->netcount) { @@ -3458,10 +3452,10 @@ static int mgsl_open(struct tty_struct *tty, struct file * filp) spin_unlock_irqrestore(&info->netlock, flags); goto cleanup; } - info->count++; + info->port.count++; spin_unlock_irqrestore(&info->netlock, flags); - if (info->count == 1) { + if (info->port.count == 1) { /* 1st open on this device, init hardware */ retval = startup(info); if (retval < 0) @@ -3484,9 +3478,9 @@ static int mgsl_open(struct tty_struct *tty, struct file * filp) cleanup: if (retval) { if (tty->count == 1) - info->tty = NULL; /* tty layer will release tty struct */ - if(info->count) - info->count--; + info->port.tty = NULL; /* tty layer will release tty struct */ + if(info->port.count) + info->port.count--; } return retval; @@ -4337,8 +4331,7 @@ static struct mgsl_struct* mgsl_allocate_device(void) info->max_frame_size = 4096; info->close_delay = 5*HZ/10; info->closing_wait = 30*HZ; - init_waitqueue_head(&info->open_wait); - init_waitqueue_head(&info->close_wait); + tty_port_init(&info->port); init_waitqueue_head(&info->status_event_wait_q); init_waitqueue_head(&info->event_wait_q); spin_lock_init(&info->irq_spinlock); @@ -6575,7 +6568,7 @@ static bool mgsl_get_rx_frame(struct mgsl_struct *info) unsigned int framesize = 0; bool ReturnCode = false; unsigned long flags; - struct tty_struct *tty = info->tty; + struct tty_struct *tty = info->port.tty; bool return_frame = false; /* @@ -6774,7 +6767,7 @@ static bool mgsl_get_raw_rx_frame(struct mgsl_struct *info) unsigned int framesize = 0; bool ReturnCode = false; unsigned long flags; - struct tty_struct *tty = info->tty; + struct tty_struct *tty = info->port.tty; /* * current_rx_buffer points to the 1st buffer of the next available @@ -7711,7 +7704,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding, unsigned short new_crctype; /* return error if TTY interface open */ - if (info->count) + if (info->port.count) return -EBUSY; switch (encoding) @@ -7808,7 +7801,7 @@ static int hdlcdev_open(struct net_device *dev) /* arbitrate between network and tty opens */ spin_lock_irqsave(&info->netlock, flags); - if (info->count != 0 || info->netcount != 0) { + if (info->port.count != 0 || info->netcount != 0) { printk(KERN_WARNING "%s: hdlc_open returning busy\n", dev->name); spin_unlock_irqrestore(&info->netlock, flags); return -EBUSY; @@ -7894,7 +7887,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) printk("%s:hdlcdev_ioctl(%s)\n",__FILE__,dev->name); /* return error if TTY interface open */ - if (info->count) + if (info->port.count) return -EBUSY; if (cmd != SIOCWANDEV) diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c index e473778cd6fa..fc71d9819165 100644 --- a/drivers/char/synclink_gt.c +++ b/drivers/char/synclink_gt.c @@ -244,11 +244,11 @@ struct _input_signal_events { */ struct slgt_info { void *if_ptr; /* General purpose pointer (used by SPPP) */ + struct tty_port port; struct slgt_info *next_device; /* device list link */ int magic; - int flags; char device_name[25]; struct pci_dev *pdev; @@ -260,23 +260,17 @@ struct slgt_info { /* array of pointers to port contexts on this adapter */ struct slgt_info *port_array[SLGT_MAX_PORTS]; - int count; /* count of opens */ int line; /* tty line instance number */ unsigned short close_delay; unsigned short closing_wait; /* time to wait before closing */ struct mgsl_icount icount; - struct tty_struct *tty; int timeout; int x_char; /* xon/xoff character */ - int blocked_open; /* # of blocked opens */ unsigned int read_status_mask; unsigned int ignore_status_mask; - wait_queue_head_t open_wait; - wait_queue_head_t close_wait; - wait_queue_head_t status_event_wait_q; wait_queue_head_t event_wait_q; struct timer_list tx_timer; @@ -672,20 +666,20 @@ static int open(struct tty_struct *tty, struct file *filp) } tty->driver_data = info; - info->tty = tty; + info->port.tty = tty; - DBGINFO(("%s open, old ref count = %d\n", info->device_name, info->count)); + DBGINFO(("%s open, old ref count = %d\n", info->device_name, info->port.count)); /* If port is closing, signal caller to try again */ - if (tty_hung_up_p(filp) || info->flags & ASYNC_CLOSING){ - if (info->flags & ASYNC_CLOSING) - interruptible_sleep_on(&info->close_wait); - retval = ((info->flags & ASYNC_HUP_NOTIFY) ? + if (tty_hung_up_p(filp) || info->port.flags & ASYNC_CLOSING){ + if (info->port.flags & ASYNC_CLOSING) + interruptible_sleep_on(&info->port.close_wait); + retval = ((info->port.flags & ASYNC_HUP_NOTIFY) ? -EAGAIN : -ERESTARTSYS); goto cleanup; } - info->tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0; + info->port.tty->low_latency = (info->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0; spin_lock_irqsave(&info->netlock, flags); if (info->netcount) { @@ -693,10 +687,10 @@ static int open(struct tty_struct *tty, struct file *filp) spin_unlock_irqrestore(&info->netlock, flags); goto cleanup; } - info->count++; + info->port.count++; spin_unlock_irqrestore(&info->netlock, flags); - if (info->count == 1) { + if (info->port.count == 1) { /* 1st open on this device, init hardware */ retval = startup(info); if (retval < 0) @@ -714,9 +708,9 @@ static int open(struct tty_struct *tty, struct file *filp) cleanup: if (retval) { if (tty->count == 1) - info->tty = NULL; /* tty layer will release tty struct */ - if(info->count) - info->count--; + info->port.tty = NULL; /* tty layer will release tty struct */ + if(info->port.count) + info->port.count--; } DBGINFO(("%s open rc=%d\n", info->device_name, retval)); @@ -729,32 +723,32 @@ static void close(struct tty_struct *tty, struct file *filp) if (sanity_check(info, tty->name, "close")) return; - DBGINFO(("%s close entry, count=%d\n", info->device_name, info->count)); + DBGINFO(("%s close entry, count=%d\n", info->device_name, info->port.count)); - if (!info->count) + if (!info->port.count) return; if (tty_hung_up_p(filp)) goto cleanup; - if ((tty->count == 1) && (info->count != 1)) { + if ((tty->count == 1) && (info->port.count != 1)) { /* * tty->count is 1 and the tty structure will be freed. - * info->count should be one in this case. + * info->port.count should be one in this case. * if it's not, correct it so that the port is shutdown. */ DBGERR(("%s close: bad refcount; tty->count=1, " - "info->count=%d\n", info->device_name, info->count)); - info->count = 1; + "info->port.count=%d\n", info->device_name, info->port.count)); + info->port.count = 1; } - info->count--; + info->port.count--; /* if at least one open remaining, leave hardware active */ - if (info->count) + if (info->port.count) goto cleanup; - info->flags |= ASYNC_CLOSING; + info->port.flags |= ASYNC_CLOSING; /* set tty->closing to notify line discipline to * only process XON/XOFF characters. Only the N_TTY @@ -769,7 +763,7 @@ static void close(struct tty_struct *tty, struct file *filp) tty_wait_until_sent(tty, info->closing_wait); } - if (info->flags & ASYNC_INITIALIZED) + if (info->port.flags & ASYNC_INITIALIZED) wait_until_sent(tty, info->timeout); flush_buffer(tty); tty_ldisc_flush(tty); @@ -777,21 +771,21 @@ static void close(struct tty_struct *tty, struct file *filp) shutdown(info); tty->closing = 0; - info->tty = NULL; + info->port.tty = NULL; - if (info->blocked_open) { + if (info->port.blocked_open) { if (info->close_delay) { msleep_interruptible(jiffies_to_msecs(info->close_delay)); } - wake_up_interruptible(&info->open_wait); + wake_up_interruptible(&info->port.open_wait); } - info->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING); + info->port.flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING); - wake_up_interruptible(&info->close_wait); + wake_up_interruptible(&info->port.close_wait); cleanup: - DBGINFO(("%s close exit, count=%d\n", tty->driver->name, info->count)); + DBGINFO(("%s close exit, count=%d\n", tty->driver->name, info->port.count)); } static void hangup(struct tty_struct *tty) @@ -805,11 +799,11 @@ static void hangup(struct tty_struct *tty) flush_buffer(tty); shutdown(info); - info->count = 0; - info->flags &= ~ASYNC_NORMAL_ACTIVE; - info->tty = NULL; + info->port.count = 0; + info->port.flags &= ~ASYNC_NORMAL_ACTIVE; + info->port.tty = NULL; - wake_up_interruptible(&info->open_wait); + wake_up_interruptible(&info->port.open_wait); } static void set_termios(struct tty_struct *tty, struct ktermios *old_termios) @@ -959,7 +953,7 @@ static void wait_until_sent(struct tty_struct *tty, int timeout) if (sanity_check(info, tty->name, "wait_until_sent")) return; DBGINFO(("%s wait_until_sent entry\n", info->device_name)); - if (!(info->flags & ASYNC_INITIALIZED)) + if (!(info->port.flags & ASYNC_INITIALIZED)) goto exit; orig_jiffies = jiffies; @@ -1500,7 +1494,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding, unsigned short new_crctype; /* return error if TTY interface open */ - if (info->count) + if (info->port.count) return -EBUSY; DBGINFO(("%s hdlcdev_attach\n", info->device_name)); @@ -1600,7 +1594,7 @@ static int hdlcdev_open(struct net_device *dev) /* arbitrate between network and tty opens */ spin_lock_irqsave(&info->netlock, flags); - if (info->count != 0 || info->netcount != 0) { + if (info->port.count != 0 || info->netcount != 0) { DBGINFO(("%s hdlc_open busy\n", dev->name)); spin_unlock_irqrestore(&info->netlock, flags); return -EBUSY; @@ -1685,7 +1679,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) DBGINFO(("%s hdlcdev_ioctl\n", dev->name)); /* return error if TTY interface open */ - if (info->count) + if (info->port.count) return -EBUSY; if (cmd != SIOCWANDEV) @@ -1906,7 +1900,7 @@ static void hdlcdev_exit(struct slgt_info *info) */ static void rx_async(struct slgt_info *info) { - struct tty_struct *tty = info->tty; + struct tty_struct *tty = info->port.tty; struct mgsl_icount *icount = &info->icount; unsigned int start, end; unsigned char *p; @@ -2057,7 +2051,7 @@ static void bh_handler(struct work_struct *work) static void bh_transmit(struct slgt_info *info) { - struct tty_struct *tty = info->tty; + struct tty_struct *tty = info->port.tty; DBGBH(("%s bh_transmit\n", info->device_name)); if (tty) @@ -2103,17 +2097,17 @@ static void cts_change(struct slgt_info *info, unsigned short status) wake_up_interruptible(&info->event_wait_q); info->pending_bh |= BH_STATUS; - if (info->flags & ASYNC_CTS_FLOW) { - if (info->tty) { - if (info->tty->hw_stopped) { + if (info->port.flags & ASYNC_CTS_FLOW) { + if (info->port.tty) { + if (info->port.tty->hw_stopped) { if (info->signals & SerialSignal_CTS) { - info->tty->hw_stopped = 0; + info->port.tty->hw_stopped = 0; info->pending_bh |= BH_TRANSMIT; return; } } else { if (!(info->signals & SerialSignal_CTS)) - info->tty->hw_stopped = 1; + info->port.tty->hw_stopped = 1; } } } @@ -2146,12 +2140,12 @@ static void dcd_change(struct slgt_info *info, unsigned short status) wake_up_interruptible(&info->event_wait_q); info->pending_bh |= BH_STATUS; - if (info->flags & ASYNC_CHECK_CD) { + if (info->port.flags & ASYNC_CHECK_CD) { if (info->signals & SerialSignal_DCD) - wake_up_interruptible(&info->open_wait); + wake_up_interruptible(&info->port.open_wait); else { - if (info->tty) - tty_hangup(info->tty); + if (info->port.tty) + tty_hangup(info->port.tty); } } } @@ -2194,12 +2188,12 @@ static void isr_serial(struct slgt_info *info) if ((status & IRQ_RXBREAK) && (status & RXBREAK)) { info->icount.brk++; /* process break detection if tty control allows */ - if (info->tty) { + if (info->port.tty) { if (!(status & info->ignore_status_mask)) { if (info->read_status_mask & MASK_BREAK) { - tty_insert_flip_char(info->tty, 0, TTY_BREAK); - if (info->flags & ASYNC_SAK) - do_SAK(info->tty); + tty_insert_flip_char(info->port.tty, 0, TTY_BREAK); + if (info->port.flags & ASYNC_SAK) + do_SAK(info->port.tty); } } } @@ -2319,7 +2313,7 @@ static void isr_txeom(struct slgt_info *info, unsigned short status) else #endif { - if (info->tty && (info->tty->stopped || info->tty->hw_stopped)) { + if (info->port.tty && (info->port.tty->stopped || info->port.tty->hw_stopped)) { tx_stop(info); return; } @@ -2395,7 +2389,7 @@ static irqreturn_t slgt_interrupt(int dummy, void *dev_id) for(i=0; i < info->port_count ; i++) { struct slgt_info *port = info->port_array[i]; - if (port && (port->count || port->netcount) && + if (port && (port->port.count || port->netcount) && port->pending_bh && !port->bh_running && !port->bh_requested) { DBGISR(("%s bh queued\n", port->device_name)); @@ -2414,7 +2408,7 @@ static int startup(struct slgt_info *info) { DBGINFO(("%s startup\n", info->device_name)); - if (info->flags & ASYNC_INITIALIZED) + if (info->port.flags & ASYNC_INITIALIZED) return 0; if (!info->tx_buf) { @@ -2432,10 +2426,10 @@ static int startup(struct slgt_info *info) /* program hardware for current parameters */ change_params(info); - if (info->tty) - clear_bit(TTY_IO_ERROR, &info->tty->flags); + if (info->port.tty) + clear_bit(TTY_IO_ERROR, &info->port.tty->flags); - info->flags |= ASYNC_INITIALIZED; + info->port.flags |= ASYNC_INITIALIZED; return 0; } @@ -2447,7 +2441,7 @@ static void shutdown(struct slgt_info *info) { unsigned long flags; - if (!(info->flags & ASYNC_INITIALIZED)) + if (!(info->port.flags & ASYNC_INITIALIZED)) return; DBGINFO(("%s shutdown\n", info->device_name)); @@ -2470,7 +2464,7 @@ static void shutdown(struct slgt_info *info) slgt_irq_off(info, IRQ_ALL | IRQ_MASTER); - if (!info->tty || info->tty->termios->c_cflag & HUPCL) { + if (!info->port.tty || info->port.tty->termios->c_cflag & HUPCL) { info->signals &= ~(SerialSignal_DTR + SerialSignal_RTS); set_signals(info); } @@ -2479,10 +2473,10 @@ static void shutdown(struct slgt_info *info) spin_unlock_irqrestore(&info->lock,flags); - 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->flags &= ~ASYNC_INITIALIZED; + info->port.flags &= ~ASYNC_INITIALIZED; } static void program_hw(struct slgt_info *info) @@ -2511,7 +2505,7 @@ static void program_hw(struct slgt_info *info) get_signals(info); if (info->netcount || - (info->tty && info->tty->termios->c_cflag & CREAD)) + (info->port.tty && info->port.tty->termios->c_cflag & CREAD)) rx_start(info); spin_unlock_irqrestore(&info->lock,flags); @@ -2525,11 +2519,11 @@ static void change_params(struct slgt_info *info) unsigned cflag; int bits_per_char; - if (!info->tty || !info->tty->termios) + if (!info->port.tty || !info->port.tty->termios) return; DBGINFO(("%s change_params\n", info->device_name)); - cflag = info->tty->termios->c_cflag; + cflag = info->port.tty->termios->c_cflag; /* if B0 rate (hangup) specified then negate DTR and RTS */ /* otherwise assert DTR and RTS */ @@ -2561,7 +2555,7 @@ static void change_params(struct slgt_info *info) bits_per_char = info->params.data_bits + info->params.stop_bits + 1; - info->params.data_rate = tty_get_baud_rate(info->tty); + info->params.data_rate = tty_get_baud_rate(info->port.tty); if (info->params.data_rate) { info->timeout = (32*HZ*bits_per_char) / @@ -2570,30 +2564,30 @@ static void change_params(struct slgt_info *info) info->timeout += HZ/50; /* Add .02 seconds of slop */ 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; /* process tty input control flags */ info->read_status_mask = IRQ_RXOVER; - if (I_INPCK(info->tty)) + if (I_INPCK(info->port.tty)) info->read_status_mask |= MASK_PARITY | MASK_FRAMING; - if (I_BRKINT(info->tty) || I_PARMRK(info->tty)) + if (I_BRKINT(info->port.tty) || I_PARMRK(info->port.tty)) info->read_status_mask |= MASK_BREAK; - if (I_IGNPAR(info->tty)) + if (I_IGNPAR(info->port.tty)) info->ignore_status_mask |= MASK_PARITY | MASK_FRAMING; - if (I_IGNBRK(info->tty)) { + if (I_IGNBRK(info->port.tty)) { info->ignore_status_mask |= MASK_BREAK; /* If ignoring parity and break indicators, ignore * overruns too. (For real raw support). */ - if (I_IGNPAR(info->tty)) + if (I_IGNPAR(info->port.tty)) info->ignore_status_mask |= MASK_OVERRUN; } @@ -3144,7 +3138,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, if (filp->f_flags & O_NONBLOCK || tty->flags & (1 << TTY_IO_ERROR)){ /* nonblock mode is set or port is not enabled */ - info->flags |= ASYNC_NORMAL_ACTIVE; + info->port.flags |= ASYNC_NORMAL_ACTIVE; return 0; } @@ -3153,21 +3147,21 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, /* Wait for carrier detect and the line to become * free (i.e., not in use by the callout). While we are in - * this loop, info->count is dropped by one, so that + * this loop, info->port.count is dropped by one, so that * close() knows when to free things. We restore it upon * exit, either normal or abnormal. */ retval = 0; - add_wait_queue(&info->open_wait, &wait); + add_wait_queue(&info->port.open_wait, &wait); spin_lock_irqsave(&info->lock, flags); if (!tty_hung_up_p(filp)) { extra_count = true; - info->count--; + info->port.count--; } spin_unlock_irqrestore(&info->lock, flags); - info->blocked_open++; + info->port.blocked_open++; while (1) { if ((tty->termios->c_cflag & CBAUD)) { @@ -3179,8 +3173,8 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, set_current_state(TASK_INTERRUPTIBLE); - if (tty_hung_up_p(filp) || !(info->flags & ASYNC_INITIALIZED)){ - retval = (info->flags & ASYNC_HUP_NOTIFY) ? + if (tty_hung_up_p(filp) || !(info->port.flags & ASYNC_INITIALIZED)){ + retval = (info->port.flags & ASYNC_HUP_NOTIFY) ? -EAGAIN : -ERESTARTSYS; break; } @@ -3189,7 +3183,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, get_signals(info); spin_unlock_irqrestore(&info->lock,flags); - if (!(info->flags & ASYNC_CLOSING) && + if (!(info->port.flags & ASYNC_CLOSING) && (do_clocal || (info->signals & SerialSignal_DCD)) ) { break; } @@ -3204,14 +3198,14 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, } set_current_state(TASK_RUNNING); - remove_wait_queue(&info->open_wait, &wait); + remove_wait_queue(&info->port.open_wait, &wait); if (extra_count) - info->count++; - info->blocked_open--; + info->port.count++; + info->port.blocked_open--; if (!retval) - info->flags |= ASYNC_NORMAL_ACTIVE; + info->port.flags |= ASYNC_NORMAL_ACTIVE; DBGINFO(("%s block_til_ready ready, rc=%d\n", tty->driver->name, retval)); return retval; @@ -3460,8 +3454,7 @@ static struct slgt_info *alloc_dev(int adapter_num, int port_num, struct pci_dev info->raw_rx_size = DMABUFSIZE; info->close_delay = 5*HZ/10; info->closing_wait = 30*HZ; - init_waitqueue_head(&info->open_wait); - init_waitqueue_head(&info->close_wait); + tty_port_init(&info->port); init_waitqueue_head(&info->status_event_wait_q); init_waitqueue_head(&info->event_wait_q); spin_lock_init(&info->netlock); @@ -4505,7 +4498,7 @@ static bool rx_get_frame(struct slgt_info *info) unsigned short status; unsigned int framesize = 0; unsigned long flags; - struct tty_struct *tty = info->tty; + struct tty_struct *tty = info->port.tty; unsigned char addr_field = 0xff; unsigned int crc_size = 0; @@ -4656,7 +4649,7 @@ static bool rx_get_buf(struct slgt_info *info) DBGDATA(info, info->rbufs[i].buf, count, "rx"); DBGINFO(("rx_get_buf size=%d\n", count)); if (count) - ldisc_receive_buf(info->tty, info->rbufs[i].buf, + ldisc_receive_buf(info->port.tty, info->rbufs[i].buf, info->flag_buf, count); free_rbufs(info, i, i); return true; @@ -4765,11 +4758,11 @@ static int irq_test(struct slgt_info *info) { unsigned long timeout; unsigned long flags; - struct tty_struct *oldtty = info->tty; + struct tty_struct *oldtty = info->port.tty; u32 speed = info->params.data_rate; info->params.data_rate = 921600; - info->tty = NULL; + info->port.tty = NULL; spin_lock_irqsave(&info->lock, flags); async_mode(info); @@ -4797,7 +4790,7 @@ static int irq_test(struct slgt_info *info) spin_unlock_irqrestore(&info->lock,flags); info->params.data_rate = speed; - info->tty = oldtty; + info->port.tty = oldtty; info->init_error = info->irq_occurred ? 0 : DiagStatus_IrqFailure; return info->irq_occurred ? 0 : -ENODEV; @@ -4837,7 +4830,7 @@ static int loopback_test(struct slgt_info *info) int rc = -ENODEV; unsigned long flags; - struct tty_struct *oldtty = info->tty; + struct tty_struct *oldtty = info->port.tty; MGSL_PARAMS params; memcpy(¶ms, &info->params, sizeof(params)); @@ -4845,7 +4838,7 @@ static int loopback_test(struct slgt_info *info) info->params.mode = MGSL_MODE_ASYNC; info->params.data_rate = 921600; info->params.loopback = 1; - info->tty = NULL; + info->port.tty = NULL; /* build and send transmit frame */ for (count = 0; count < TESTFRAMESIZE; ++count) @@ -4883,7 +4876,7 @@ static int loopback_test(struct slgt_info *info) spin_unlock_irqrestore(&info->lock,flags); memcpy(&info->params, ¶ms, sizeof(info->params)); - info->tty = oldtty; + info->port.tty = oldtty; info->init_error = rc ? DiagStatus_DmaFailure : 0; return rc; 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 { typedef struct _synclinkmp_info { void *if_ptr; /* General purpose pointer (used by SPPP) */ int magic; - int flags; - int count; /* count of opens */ + struct tty_port port; int line; unsigned short close_delay; unsigned short closing_wait; /* time to wait before closing */ struct mgsl_icount icount; - struct tty_struct *tty; int timeout; int x_char; /* xon/xoff character */ - int blocked_open; /* # of blocked opens */ u16 read_status_mask1; /* break detection (SR1 indications) */ u16 read_status_mask2; /* parity/framing/overun (SR2 indications) */ unsigned char ignore_status_mask1; /* break detection (SR1 indications) */ @@ -172,9 +169,6 @@ typedef struct _synclinkmp_info { int tx_get; int tx_count; - wait_queue_head_t open_wait; - wait_queue_head_t close_wait; - wait_queue_head_t status_event_wait_q; wait_queue_head_t event_wait_q; struct timer_list tx_timer; /* HDLC transmit timeout timer */ @@ -462,13 +456,13 @@ static int synclinkmp_device_count = 0; * .text section address and breakpoint on module load. * This is useful for use with gdb and add-symbol-file command. */ -static int break_on_load=0; +static int break_on_load = 0; /* * Driver major number, defaults to zero to get auto * assigned major number. May be forced as module parameter. */ -static int ttymajor=0; +static int ttymajor = 0; /* * Array of user specified options for ISA adapters. @@ -747,22 +741,22 @@ static int open(struct tty_struct *tty, struct file *filp) } tty->driver_data = info; - info->tty = tty; + info->port.tty = tty; if (debug_level >= DEBUG_LEVEL_INFO) printk("%s(%d):%s open(), old ref count = %d\n", - __FILE__,__LINE__,tty->driver->name, info->count); + __FILE__,__LINE__,tty->driver->name, info->port.count); /* If port is closing, signal caller to try again */ - if (tty_hung_up_p(filp) || info->flags & ASYNC_CLOSING){ - if (info->flags & ASYNC_CLOSING) - interruptible_sleep_on(&info->close_wait); - retval = ((info->flags & ASYNC_HUP_NOTIFY) ? + if (tty_hung_up_p(filp) || info->port.flags & ASYNC_CLOSING){ + if (info->port.flags & ASYNC_CLOSING) + interruptible_sleep_on(&info->port.close_wait); + retval = ((info->port.flags & ASYNC_HUP_NOTIFY) ? -EAGAIN : -ERESTARTSYS); goto cleanup; } - info->tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0; + info->port.tty->low_latency = (info->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0; spin_lock_irqsave(&info->netlock, flags); if (info->netcount) { @@ -770,10 +764,10 @@ static int open(struct tty_struct *tty, struct file *filp) spin_unlock_irqrestore(&info->netlock, flags); goto cleanup; } - info->count++; + info->port.count++; spin_unlock_irqrestore(&info->netlock, flags); - if (info->count == 1) { + if (info->port.count == 1) { /* 1st open on this device, init hardware */ retval = startup(info); if (retval < 0) @@ -796,9 +790,9 @@ static int open(struct tty_struct *tty, struct file *filp) cleanup: if (retval) { if (tty->count == 1) - info->tty = NULL; /* tty layer will release tty struct */ - if(info->count) - info->count--; + info->port.tty = NULL; /* tty layer will release tty struct */ + if(info->port.count) + info->port.count--; } return retval; @@ -816,33 +810,33 @@ static void close(struct tty_struct *tty, struct file *filp) if (debug_level >= DEBUG_LEVEL_INFO) printk("%s(%d):%s close() entry, count=%d\n", - __FILE__,__LINE__, info->device_name, info->count); + __FILE__,__LINE__, info->device_name, info->port.count); - if (!info->count) + if (!info->port.count) return; if (tty_hung_up_p(filp)) goto cleanup; - if ((tty->count == 1) && (info->count != 1)) { + if ((tty->count == 1) && (info->port.count != 1)) { /* * tty->count is 1 and the tty structure will be freed. - * info->count should be one in this case. + * info->port.count should be one in this case. * if it's not, correct it so that the port is shutdown. */ printk("%s(%d):%s close: bad refcount; tty->count is 1, " - "info->count is %d\n", - __FILE__,__LINE__, info->device_name, info->count); - info->count = 1; + "info->port.count is %d\n", + __FILE__,__LINE__, info->device_name, info->port.count); + info->port.count = 1; } - info->count--; + info->port.count--; /* if at least one open remaining, leave hardware active */ - if (info->count) + if (info->port.count) goto cleanup; - info->flags |= ASYNC_CLOSING; + info->port.flags |= ASYNC_CLOSING; /* set tty->closing to notify line discipline to * only process XON/XOFF characters. Only the N_TTY @@ -859,7 +853,7 @@ static void close(struct tty_struct *tty, struct file *filp) tty_wait_until_sent(tty, info->closing_wait); } - if (info->flags & ASYNC_INITIALIZED) + if (info->port.flags & ASYNC_INITIALIZED) wait_until_sent(tty, info->timeout); flush_buffer(tty); @@ -869,23 +863,23 @@ static void close(struct tty_struct *tty, struct file *filp) shutdown(info); tty->closing = 0; - info->tty = NULL; + info->port.tty = NULL; - if (info->blocked_open) { + if (info->port.blocked_open) { if (info->close_delay) { msleep_interruptible(jiffies_to_msecs(info->close_delay)); } - wake_up_interruptible(&info->open_wait); + wake_up_interruptible(&info->port.open_wait); } - info->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING); + info->port.flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING); - wake_up_interruptible(&info->close_wait); + wake_up_interruptible(&info->port.close_wait); cleanup: if (debug_level >= DEBUG_LEVEL_INFO) printk("%s(%d):%s close() exit, count=%d\n", __FILE__,__LINE__, - tty->driver->name, info->count); + tty->driver->name, info->port.count); } /* Called by tty_hangup() when a hangup is signaled. @@ -905,11 +899,11 @@ static void hangup(struct tty_struct *tty) flush_buffer(tty); shutdown(info); - info->count = 0; - info->flags &= ~ASYNC_NORMAL_ACTIVE; - info->tty = NULL; + info->port.count = 0; + info->port.flags &= ~ASYNC_NORMAL_ACTIVE; + info->port.tty = NULL; - wake_up_interruptible(&info->open_wait); + wake_up_interruptible(&info->port.open_wait); } /* Set new termios settings @@ -1123,7 +1117,7 @@ static void wait_until_sent(struct tty_struct *tty, int timeout) lock_kernel(); - if (!(info->flags & ASYNC_INITIALIZED)) + if (!(info->port.flags & ASYNC_INITIALIZED)) goto exit; orig_jiffies = jiffies; @@ -1636,7 +1630,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding, unsigned short new_crctype; /* return error if TTY interface open */ - if (info->count) + if (info->port.count) return -EBUSY; switch (encoding) @@ -1733,7 +1727,7 @@ static int hdlcdev_open(struct net_device *dev) /* arbitrate between network and tty opens */ spin_lock_irqsave(&info->netlock, flags); - if (info->count != 0 || info->netcount != 0) { + if (info->port.count != 0 || info->netcount != 0) { printk(KERN_WARNING "%s: hdlc_open returning busy\n", dev->name); spin_unlock_irqrestore(&info->netlock, flags); return -EBUSY; @@ -1819,7 +1813,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) printk("%s:hdlcdev_ioctl(%s)\n",__FILE__,dev->name); /* return error if TTY interface open */ - if (info->count) + if (info->port.count) return -EBUSY; if (cmd != SIOCWANDEV) @@ -2128,7 +2122,7 @@ static void bh_receive(SLMP_INFO *info) static void bh_transmit(SLMP_INFO *info) { - struct tty_struct *tty = info->tty; + struct tty_struct *tty = info->port.tty; if ( debug_level >= DEBUG_LEVEL_BH ) printk( "%s(%d):%s bh_transmit() entry\n", @@ -2178,7 +2172,7 @@ static void isr_timer(SLMP_INFO * info) static void isr_rxint(SLMP_INFO * info) { - struct tty_struct *tty = info->tty; + struct tty_struct *tty = info->port.tty; struct mgsl_icount *icount = &info->icount; unsigned char status = read_reg(info, SR1) & info->ie1_value & (FLGD + IDLD + CDCD + BRKD); unsigned char status2 = read_reg(info, SR2) & info->ie2_value & OVRN; @@ -2205,7 +2199,7 @@ static void isr_rxint(SLMP_INFO * info) if (!(status & info->ignore_status_mask1)) { if (info->read_status_mask1 & BRKD) { tty_insert_flip_char(tty, 0, TTY_BREAK); - if (info->flags & ASYNC_SAK) + if (info->port.flags & ASYNC_SAK) do_SAK(tty); } } @@ -2239,7 +2233,7 @@ static void isr_rxrdy(SLMP_INFO * info) { u16 status; unsigned char DataByte; - struct tty_struct *tty = info->tty; + struct tty_struct *tty = info->port.tty; struct mgsl_icount *icount = &info->icount; if ( debug_level >= DEBUG_LEVEL_ISR ) @@ -2352,7 +2346,7 @@ static void isr_txeom(SLMP_INFO * info, unsigned char status) else #endif { - if (info->tty && (info->tty->stopped || info->tty->hw_stopped)) { + if (info->port.tty && (info->port.tty->stopped || info->port.tty->hw_stopped)) { tx_stop(info); return; } @@ -2407,7 +2401,7 @@ static void isr_txrdy(SLMP_INFO * info) return; } - if (info->tty && (info->tty->stopped || info->tty->hw_stopped)) { + if (info->port.tty && (info->port.tty->stopped || info->port.tty->hw_stopped)) { tx_stop(info); return; } @@ -2554,29 +2548,29 @@ static void isr_io_pin( SLMP_INFO *info, u16 status ) wake_up_interruptible(&info->status_event_wait_q); wake_up_interruptible(&info->event_wait_q); - if ( (info->flags & ASYNC_CHECK_CD) && + if ( (info->port.flags & ASYNC_CHECK_CD) && (status & MISCSTATUS_DCD_LATCHED) ) { if ( debug_level >= DEBUG_LEVEL_ISR ) printk("%s CD now %s...", info->device_name, (status & SerialSignal_DCD) ? "on" : "off"); if (status & SerialSignal_DCD) - wake_up_interruptible(&info->open_wait); + wake_up_interruptible(&info->port.open_wait); else { if ( debug_level >= DEBUG_LEVEL_ISR ) printk("doing serial hangup..."); - if (info->tty) - tty_hangup(info->tty); + if (info->port.tty) + tty_hangup(info->port.tty); } } - if ( (info->flags & ASYNC_CTS_FLOW) && + if ( (info->port.flags & ASYNC_CTS_FLOW) && (status & MISCSTATUS_CTS_LATCHED) ) { - if ( info->tty ) { - if (info->tty->hw_stopped) { + if ( info->port.tty ) { + if (info->port.tty->hw_stopped) { if (status & SerialSignal_CTS) { if ( debug_level >= DEBUG_LEVEL_ISR ) printk("CTS tx start..."); - info->tty->hw_stopped = 0; + info->port.tty->hw_stopped = 0; tx_start(info); info->pending_bh |= BH_TRANSMIT; return; @@ -2585,7 +2579,7 @@ static void isr_io_pin( SLMP_INFO *info, u16 status ) if (!(status & SerialSignal_CTS)) { if ( debug_level >= DEBUG_LEVEL_ISR ) printk("CTS tx stop..."); - info->tty->hw_stopped = 1; + info->port.tty->hw_stopped = 1; tx_stop(info); } } @@ -2701,7 +2695,7 @@ static irqreturn_t synclinkmp_interrupt(int dummy, void *dev_id) * do not request bottom half processing if the * device is not open in a normal mode. */ - if ( port && (port->count || port->netcount) && + if ( port && (port->port.count || port->netcount) && port->pending_bh && !port->bh_running && !port->bh_requested ) { if ( debug_level >= DEBUG_LEVEL_ISR ) @@ -2727,7 +2721,7 @@ static int startup(SLMP_INFO * info) if ( debug_level >= DEBUG_LEVEL_INFO ) printk("%s(%d):%s tx_releaseup()\n",__FILE__,__LINE__,info->device_name); - if (info->flags & ASYNC_INITIALIZED) + if (info->port.flags & ASYNC_INITIALIZED) return 0; if (!info->tx_buf) { @@ -2750,10 +2744,10 @@ static int startup(SLMP_INFO * info) mod_timer(&info->status_timer, jiffies + msecs_to_jiffies(10)); - if (info->tty) - clear_bit(TTY_IO_ERROR, &info->tty->flags); + if (info->port.tty) + clear_bit(TTY_IO_ERROR, &info->port.tty->flags); - info->flags |= ASYNC_INITIALIZED; + info->port.flags |= ASYNC_INITIALIZED; return 0; } @@ -2764,7 +2758,7 @@ static void shutdown(SLMP_INFO * info) { unsigned long flags; - if (!(info->flags & ASYNC_INITIALIZED)) + if (!(info->port.flags & ASYNC_INITIALIZED)) return; if (debug_level >= DEBUG_LEVEL_INFO) @@ -2786,17 +2780,17 @@ static void shutdown(SLMP_INFO * info) reset_port(info); - if (!info->tty || info->tty->termios->c_cflag & HUPCL) { + if (!info->port.tty || info->port.tty->termios->c_cflag & HUPCL) { info->serial_signals &= ~(SerialSignal_DTR + SerialSignal_RTS); set_signals(info); } spin_unlock_irqrestore(&info->lock,flags); - 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->flags &= ~ASYNC_INITIALIZED; + info->port.flags &= ~ASYNC_INITIALIZED; } static void program_hw(SLMP_INFO *info) @@ -2827,7 +2821,7 @@ static void program_hw(SLMP_INFO *info) get_signals(info); - if (info->netcount || (info->tty && info->tty->termios->c_cflag & CREAD) ) + if (info->netcount || (info->port.tty && info->port.tty->termios->c_cflag & CREAD) ) rx_start(info); spin_unlock_irqrestore(&info->lock,flags); @@ -2840,14 +2834,14 @@ static void change_params(SLMP_INFO *info) unsigned cflag; int bits_per_char; - if (!info->tty || !info->tty->termios) + if (!info->port.tty || !info->port.tty->termios) return; if (debug_level >= DEBUG_LEVEL_INFO) printk("%s(%d):%s change_params()\n", __FILE__,__LINE__, info->device_name ); - cflag = info->tty->termios->c_cflag; + cflag = info->port.tty->termios->c_cflag; /* if B0 rate (hangup) specified then negate DTR and RTS */ /* otherwise assert DTR and RTS */ @@ -2895,7 +2889,7 @@ static void change_params(SLMP_INFO *info) * current data rate. */ if (info->params.data_rate <= 460800) { - info->params.data_rate = tty_get_baud_rate(info->tty); + info->params.data_rate = tty_get_baud_rate(info->port.tty); } if ( info->params.data_rate ) { @@ -2905,30 +2899,30 @@ static void change_params(SLMP_INFO *info) info->timeout += HZ/50; /* Add .02 seconds of slop */ 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; /* process tty input control flags */ info->read_status_mask2 = OVRN; - if (I_INPCK(info->tty)) + if (I_INPCK(info->port.tty)) info->read_status_mask2 |= PE | FRME; - if (I_BRKINT(info->tty) || I_PARMRK(info->tty)) + if (I_BRKINT(info->port.tty) || I_PARMRK(info->port.tty)) info->read_status_mask1 |= BRKD; - if (I_IGNPAR(info->tty)) + if (I_IGNPAR(info->port.tty)) info->ignore_status_mask2 |= PE | FRME; - if (I_IGNBRK(info->tty)) { + if (I_IGNBRK(info->port.tty)) { info->ignore_status_mask1 |= BRKD; /* If ignoring parity and break indicators, ignore * overruns too. (For real raw support). */ - if (I_IGNPAR(info->tty)) + if (I_IGNPAR(info->port.tty)) info->ignore_status_mask2 |= OVRN; } @@ -3348,7 +3342,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, if (filp->f_flags & O_NONBLOCK || tty->flags & (1 << TTY_IO_ERROR)){ /* nonblock mode is set or port is not enabled */ /* just verify that callout device is not active */ - info->flags |= ASYNC_NORMAL_ACTIVE; + info->port.flags |= ASYNC_NORMAL_ACTIVE; return 0; } @@ -3357,25 +3351,25 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, /* Wait for carrier detect and the line to become * free (i.e., not in use by the callout). While we are in - * this loop, info->count is dropped by one, so that + * this loop, info->port.count is dropped by one, so that * close() knows when to free things. We restore it upon * exit, either normal or abnormal. */ retval = 0; - add_wait_queue(&info->open_wait, &wait); + add_wait_queue(&info->port.open_wait, &wait); if (debug_level >= DEBUG_LEVEL_INFO) printk("%s(%d):%s block_til_ready() before block, count=%d\n", - __FILE__,__LINE__, tty->driver->name, info->count ); + __FILE__,__LINE__, tty->driver->name, info->port.count ); spin_lock_irqsave(&info->lock, flags); if (!tty_hung_up_p(filp)) { extra_count = true; - info->count--; + info->port.count--; } spin_unlock_irqrestore(&info->lock, flags); - info->blocked_open++; + info->port.blocked_open++; while (1) { if ((tty->termios->c_cflag & CBAUD)) { @@ -3387,8 +3381,8 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, set_current_state(TASK_INTERRUPTIBLE); - if (tty_hung_up_p(filp) || !(info->flags & ASYNC_INITIALIZED)){ - retval = (info->flags & ASYNC_HUP_NOTIFY) ? + if (tty_hung_up_p(filp) || !(info->port.flags & ASYNC_INITIALIZED)){ + retval = (info->port.flags & ASYNC_HUP_NOTIFY) ? -EAGAIN : -ERESTARTSYS; break; } @@ -3397,7 +3391,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, get_signals(info); spin_unlock_irqrestore(&info->lock,flags); - if (!(info->flags & ASYNC_CLOSING) && + if (!(info->port.flags & ASYNC_CLOSING) && (do_clocal || (info->serial_signals & SerialSignal_DCD)) ) { break; } @@ -3409,24 +3403,24 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, if (debug_level >= DEBUG_LEVEL_INFO) printk("%s(%d):%s block_til_ready() count=%d\n", - __FILE__,__LINE__, tty->driver->name, info->count ); + __FILE__,__LINE__, tty->driver->name, info->port.count ); schedule(); } set_current_state(TASK_RUNNING); - remove_wait_queue(&info->open_wait, &wait); + remove_wait_queue(&info->port.open_wait, &wait); if (extra_count) - info->count++; - info->blocked_open--; + info->port.count++; + info->port.blocked_open--; if (debug_level >= DEBUG_LEVEL_INFO) printk("%s(%d):%s block_til_ready() after, count=%d\n", - __FILE__,__LINE__, tty->driver->name, info->count ); + __FILE__,__LINE__, tty->driver->name, info->port.count ); if (!retval) - info->flags |= ASYNC_NORMAL_ACTIVE; + info->port.flags |= ASYNC_NORMAL_ACTIVE; return retval; } @@ -3813,8 +3807,7 @@ static SLMP_INFO *alloc_dev(int adapter_num, int port_num, struct pci_dev *pdev) info->max_frame_size = 4096; info->close_delay = 5*HZ/10; info->closing_wait = 30*HZ; - init_waitqueue_head(&info->open_wait); - init_waitqueue_head(&info->close_wait); + tty_port_init(&info->port); init_waitqueue_head(&info->status_event_wait_q); init_waitqueue_head(&info->event_wait_q); spin_lock_init(&info->netlock); @@ -4885,7 +4878,7 @@ static bool rx_get_frame(SLMP_INFO *info) unsigned int framesize = 0; bool ReturnCode = false; unsigned long flags; - struct tty_struct *tty = info->tty; + struct tty_struct *tty = info->port.tty; unsigned char addr_field = 0xff; SCADESC *desc; SCADESC_EX *desc_ex; @@ -5293,11 +5286,11 @@ static bool loopback_test(SLMP_INFO *info) bool rc = false; unsigned long flags; - struct tty_struct *oldtty = info->tty; + struct tty_struct *oldtty = info->port.tty; u32 speed = info->params.clock_speed; info->params.clock_speed = 3686400; - info->tty = NULL; + info->port.tty = NULL; /* assume failure */ info->init_error = DiagStatus_DmaFailure; @@ -5341,7 +5334,7 @@ static bool loopback_test(SLMP_INFO *info) spin_unlock_irqrestore(&info->lock,flags); info->params.clock_speed = speed; - info->tty = oldtty; + info->port.tty = oldtty; return rc; } |