diff options
Diffstat (limited to 'drivers/char/mxser.c')
| -rw-r--r-- | drivers/char/mxser.c | 62 |
1 files changed, 32 insertions, 30 deletions
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c index dbf8d52f31d..5e28d39b9e8 100644 --- a/drivers/char/mxser.c +++ b/drivers/char/mxser.c @@ -48,7 +48,7 @@ #include "mxser.h" -#define MXSER_VERSION "2.0.4" /* 1.12 */ +#define MXSER_VERSION "2.0.5" /* 1.14 */ #define MXSERMAJOR 174 #define MXSER_BOARDS 4 /* Max. boards */ @@ -69,6 +69,7 @@ #define PCI_DEVICE_ID_POS104UL 0x1044 #define PCI_DEVICE_ID_CB108 0x1080 #define PCI_DEVICE_ID_CP102UF 0x1023 +#define PCI_DEVICE_ID_CP112UL 0x1120 #define PCI_DEVICE_ID_CB114 0x1142 #define PCI_DEVICE_ID_CP114UL 0x1143 #define PCI_DEVICE_ID_CB134I 0x1341 @@ -139,7 +140,8 @@ static const struct mxser_cardinfo mxser_cards[] = { { "CP-138U series", 8, }, { "POS-104UL series", 4, }, { "CP-114UL series", 4, }, -/*30*/ { "CP-102UF series", 2, } +/*30*/ { "CP-102UF series", 2, }, + { "CP-112UL series", 2, }, }; /* driver_data correspond to the lines in the structure above @@ -170,6 +172,7 @@ static struct pci_device_id mxser_pcibrds[] = { { PCI_VDEVICE(MOXA, PCI_DEVICE_ID_POS104UL), .driver_data = 28 }, { PCI_VDEVICE(MOXA, PCI_DEVICE_ID_CP114UL), .driver_data = 29 }, { PCI_VDEVICE(MOXA, PCI_DEVICE_ID_CP102UF), .driver_data = 30 }, + { PCI_VDEVICE(MOXA, PCI_DEVICE_ID_CP112UL), .driver_data = 31 }, { } }; MODULE_DEVICE_TABLE(pci, mxser_pcibrds); @@ -258,7 +261,6 @@ struct mxser_port { struct mxser_mon mon_data; spinlock_t slock; - wait_queue_head_t delta_msr_wait; }; struct mxser_board { @@ -818,7 +820,7 @@ static void mxser_check_modem_status(struct tty_struct *tty, if (status & UART_MSR_DCTS) port->icount.cts++; port->mon_data.modem_status = status; - wake_up_interruptible(&port->delta_msr_wait); + wake_up_interruptible(&port->port.delta_msr_wait); if ((port->port.flags & ASYNC_CHECK_CD) && (status & UART_MSR_DDCD)) { if (status & UART_MSR_DCD) @@ -973,7 +975,7 @@ static void mxser_shutdown(struct tty_struct *tty) * clear delta_msr_wait queue to avoid mem leaks: we may free the irq * here so the queue might never be waken up */ - wake_up_interruptible(&info->delta_msr_wait); + wake_up_interruptible(&info->port.delta_msr_wait); /* * Free the IRQ, if necessary @@ -1073,34 +1075,17 @@ static void mxser_flush_buffer(struct tty_struct *tty) } -/* - * This routine is called when the serial port gets closed. First, we - * wait for the last remaining data to be sent. Then, we unlink its - * async structure from the interrupt chain if necessary, and we free - * that IRQ if nothing is left in the chain. - */ -static void mxser_close(struct tty_struct *tty, struct file *filp) +static void mxser_close_port(struct tty_struct *tty, struct tty_port *port) { - struct mxser_port *info = tty->driver_data; - struct tty_port *port = &info->port; - + struct mxser_port *info = container_of(port, struct mxser_port, port); unsigned long timeout; - - if (tty->index == MXSER_PORTS) - return; - if (!info) - return; - - if (tty_port_close_start(port, tty, filp) == 0) - return; - /* * Save the termios structure, since this port may have * separate termios for callout and dialin. * * FIXME: Can this go ? */ - if (info->port.flags & ASYNC_NORMAL_ACTIVE) + if (port->flags & ASYNC_NORMAL_ACTIVE) info->normal_termios = *tty->termios; /* * At this point we stop accepting input. To do this, we @@ -1112,7 +1097,7 @@ static void mxser_close(struct tty_struct *tty, struct file *filp) if (info->board->chip_flag) info->IER &= ~MOXA_MUST_RECV_ISR; - if (info->port.flags & ASYNC_INITIALIZED) { + if (port->flags & ASYNC_INITIALIZED) { outb(info->IER, info->ioaddr + UART_IER); /* * Before we drop DTR, make sure the UART transmitter @@ -1127,8 +1112,26 @@ static void mxser_close(struct tty_struct *tty, struct file *filp) } } mxser_shutdown(tty); - mxser_flush_buffer(tty); +} + +/* + * This routine is called when the serial port gets closed. First, we + * wait for the last remaining data to be sent. Then, we unlink its + * async structure from the interrupt chain if necessary, and we free + * that IRQ if nothing is left in the chain. + */ +static void mxser_close(struct tty_struct *tty, struct file *filp) +{ + struct mxser_port *info = tty->driver_data; + struct tty_port *port = &info->port; + + if (tty->index == MXSER_PORTS) + return; + if (tty_port_close_start(port, tty, filp) == 0) + return; + mxser_close_port(tty, port); + mxser_flush_buffer(tty); /* Right now the tty_port set is done outside of the close_end helper as we don't yet have everyone using refcounts */ tty_port_close_end(port, tty); @@ -1761,7 +1764,7 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file, cnow = info->icount; /* note the counters on entry */ spin_unlock_irqrestore(&info->slock, flags); - return wait_event_interruptible(info->delta_msr_wait, + return wait_event_interruptible(info->port.delta_msr_wait, mxser_cflags_changed(info, arg, &cnow)); /* * Get counter of input serial line interrupts (DCD,RI,DSR,CTS) @@ -1803,7 +1806,7 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file, lock_kernel(); len = mxser_chars_in_buffer(tty); - lsr = inb(info->ioaddr + UART_LSR) & UART_LSR_TEMT; + lsr = inb(info->ioaddr + UART_LSR) & UART_LSR_THRE; len += (lsr ? 0 : 1); unlock_kernel(); @@ -2413,7 +2416,6 @@ static int __devinit mxser_initbrd(struct mxser_board *brd, info->port.close_delay = 5 * HZ / 10; info->port.closing_wait = 30 * HZ; info->normal_termios = mxvar_sdriver->init_termios; - init_waitqueue_head(&info->delta_msr_wait); memset(&info->mon_data, 0, sizeof(struct mxser_mon)); info->err_shadow = 0; spin_lock_init(&info->slock); |