diff options
Diffstat (limited to 'drivers/serial/crisv10.c')
-rw-r--r-- | drivers/serial/crisv10.c | 79 |
1 files changed, 41 insertions, 38 deletions
diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c index 3e0366e..8249ac4 100644 --- a/drivers/serial/crisv10.c +++ b/drivers/serial/crisv10.c @@ -968,7 +968,7 @@ static DEFINE_MUTEX(tmp_buf_mutex); /* Calculate the chartime depending on baudrate, numbor of bits etc. */ static void update_char_time(struct e100_serial * info) { - tcflag_t cflags = info->tty->termios->c_cflag; + tcflag_t cflags = info->port.tty->termios->c_cflag; int bits; /* calc. number of bits / data byte */ @@ -1483,7 +1483,8 @@ rs_stop(struct tty_struct *tty) CIRC_CNT(info->xmit.head, info->xmit.tail,SERIAL_XMIT_SIZE))); - xoff = IO_FIELD(R_SERIAL0_XOFF, xoff_char, STOP_CHAR(info->tty)); + xoff = IO_FIELD(R_SERIAL0_XOFF, xoff_char, + STOP_CHAR(info->port.tty)); xoff |= IO_STATE(R_SERIAL0_XOFF, tx_stop, stop); if (tty->termios->c_iflag & IXON ) { xoff |= IO_STATE(R_SERIAL0_XOFF, auto_xoff, enable); @@ -1772,7 +1773,7 @@ add_char_and_flag(struct e100_serial *info, unsigned char data, unsigned char fl info->icount.rx++; } else { - struct tty_struct *tty = info->tty; + struct tty_struct *tty = info->port.tty; tty_insert_flip_char(tty, data, flag); info->icount.rx++; } @@ -1838,7 +1839,7 @@ static unsigned int handle_all_descr_data(struct e100_serial *info) descr->status = 0; DFLOW( DEBUG_LOG(info->line, "RX %lu\n", recvl); - if (info->tty->stopped) { + if (info->port.tty->stopped) { unsigned char *buf = phys_to_virt(descr->buf); DEBUG_LOG(info->line, "rx 0x%02X\n", buf[0]); DEBUG_LOG(info->line, "rx 0x%02X\n", buf[1]); @@ -1872,7 +1873,7 @@ static void receive_chars_dma(struct e100_serial *info) IO_STATE(R_DMA_CH6_CLR_INTR, clr_descr, do) | IO_STATE(R_DMA_CH6_CLR_INTR, clr_eop, do); - tty = info->tty; + tty = info->port.tty; if (!tty) /* Something wrong... */ return; @@ -2122,7 +2123,7 @@ static void flush_to_flip_buffer(struct e100_serial *info) unsigned long flags; local_irq_save(flags); - tty = info->tty; + tty = info->port.tty; if (!tty) { local_irq_restore(flags); @@ -2287,7 +2288,7 @@ static struct e100_serial * handle_ser_rx_interrupt_no_dma(struct e100_serial *info) { unsigned long data_read; - struct tty_struct *tty = info->tty; + struct tty_struct *tty = info->port.tty; if (!tty) { printk("!NO TTY!\n"); @@ -2350,7 +2351,7 @@ more_data: data_in, data_read); char flag = TTY_NORMAL; if (info->errorcode == ERRCODE_INSERT_BREAK) { - struct tty_struct *tty = info->tty; + struct tty_struct *tty = info->port.tty; tty_insert_flip_char(tty, 0, flag); info->icount.rx++; } @@ -2396,7 +2397,7 @@ more_data: goto more_data; } - tty_flip_buffer_push(info->tty); + tty_flip_buffer_push(info->port.tty); return info; } @@ -2547,8 +2548,8 @@ static void handle_ser_tx_interrupt(struct e100_serial *info) rstat = info->port[REG_STATUS]; DFLOW(DEBUG_LOG(info->line, "stat %x\n", rstat)); e100_disable_serial_tx_ready_irq(info); - if (info->tty->stopped) - rs_stop(info->tty); + if (info->port.tty->stopped) + rs_stop(info->port.tty); /* Enable the DMA channel and tell it to continue */ e100_enable_txdma_channel(info); /* Wait 12 cycles before doing the DMA command */ @@ -2561,9 +2562,10 @@ static void handle_ser_tx_interrupt(struct e100_serial *info) } /* Normal char-by-char interrupt */ if (info->xmit.head == info->xmit.tail - || info->tty->stopped - || info->tty->hw_stopped) { - DFLOW(DEBUG_LOG(info->line, "tx_int: stopped %i\n", info->tty->stopped)); + || info->port.tty->stopped + || info->port.tty->hw_stopped) { + DFLOW(DEBUG_LOG(info->line, "tx_int: stopped %i\n", + info->port.tty->stopped)); e100_disable_serial_tx_ready_irq(info); info->tr_running = 0; return; @@ -2725,7 +2727,7 @@ do_softint(struct work_struct *work) info = container_of(work, struct e100_serial, work); - tty = info->tty; + tty = info->port.tty; if (!tty) return; @@ -2767,8 +2769,8 @@ startup(struct e100_serial * info) /* Bits and pieces collected from below. Better to have them in one ifdef:ed clause than to mix in a lot of ifdefs, right? */ - 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->xmit.head = info->xmit.tail = 0; info->first_recv_buffer = info->last_recv_buffer = NULL; @@ -2825,8 +2827,8 @@ startup(struct e100_serial * info) e100_disable_txdma_channel(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->xmit.head = info->xmit.tail = 0; info->first_recv_buffer = info->last_recv_buffer = NULL; @@ -2940,14 +2942,14 @@ shutdown(struct e100_serial * info) descr[i].buf = 0; } - if (!info->tty || (info->tty->termios->c_cflag & HUPCL)) { + if (!info->port.tty || (info->port.tty->termios->c_cflag & HUPCL)) { /* hang up DTR and RTS if HUPCL is enabled */ e100_dtr(info, 0); e100_rts(info, 0); /* could check CRTSCTS before doing this */ } - 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; local_irq_restore(flags); @@ -2964,12 +2966,12 @@ change_speed(struct e100_serial *info) unsigned long flags; /* first some safety checks */ - if (!info->tty || !info->tty->termios) + if (!info->port.tty || !info->port.tty->termios) return; if (!info->port) return; - cflag = info->tty->termios->c_cflag; + cflag = info->port.tty->termios->c_cflag; /* possibly, the tx/rx should be disabled first to do this safely */ @@ -3097,10 +3099,11 @@ change_speed(struct e100_serial *info) info->port[REG_TR_CTRL] = info->tx_ctrl; info->port[REG_REC_CTRL] = info->rx_ctrl; - xoff = IO_FIELD(R_SERIAL0_XOFF, xoff_char, STOP_CHAR(info->tty)); + xoff = IO_FIELD(R_SERIAL0_XOFF, xoff_char, STOP_CHAR(info->port.tty)); xoff |= IO_STATE(R_SERIAL0_XOFF, tx_stop, enable); - if (info->tty->termios->c_iflag & IXON ) { - DFLOW(DEBUG_LOG(info->line, "FLOW XOFF enabled 0x%02X\n", STOP_CHAR(info->tty))); + if (info->port.tty->termios->c_iflag & IXON ) { + DFLOW(DEBUG_LOG(info->line, "FLOW XOFF enabled 0x%02X\n", + STOP_CHAR(info->port.tty))); xoff |= IO_STATE(R_SERIAL0_XOFF, auto_xoff, enable); } @@ -3475,7 +3478,7 @@ set_serial_info(struct e100_serial *info, info->type = new_serial.type; info->close_delay = new_serial.close_delay; info->closing_wait = new_serial.closing_wait; - info->tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0; + info->port.tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0; check_and_exit: if (info->flags & ASYNC_INITIALIZED) { @@ -3811,7 +3814,7 @@ rs_close(struct tty_struct *tty, struct file * filp) tty_ldisc_flush(tty); tty->closing = 0; info->event = 0; - info->tty = 0; + info->port.tty = NULL; if (info->blocked_open) { if (info->close_delay) schedule_timeout_interruptible(info->close_delay); @@ -3915,7 +3918,7 @@ rs_hangup(struct tty_struct *tty) info->event = 0; info->count = 0; info->flags &= ~ASYNC_NORMAL_ACTIVE; - info->tty = 0; + info->port.tty = NULL; wake_up_interruptible(&info->open_wait); } @@ -4077,9 +4080,9 @@ rs_open(struct tty_struct *tty, struct file * filp) info->count++; tty->driver_data = info; - info->tty = tty; + info->port.tty = tty; - info->tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0; + info->port.tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0; if (!tmp_buf) { page = get_zeroed_page(GFP_KERNEL); @@ -4267,14 +4270,14 @@ static int line_info(char *buf, struct e100_serial *info) (unsigned long)info->max_recv_cnt); #if 1 - if (info->tty) { + if (info->port.tty) { - if (info->tty->stopped) + if (info->port.tty->stopped) ret += sprintf(buf+ret, " stopped:%i", - (int)info->tty->stopped); - if (info->tty->hw_stopped) + (int)info->port.tty->stopped); + if (info->port.tty->hw_stopped) ret += sprintf(buf+ret, " hw_stopped:%i", - (int)info->tty->hw_stopped); + (int)info->port.tty->hw_stopped); } { @@ -4465,7 +4468,7 @@ rs_init(void) info->uses_dma_in = 0; info->uses_dma_out = 0; info->line = i; - info->tty = 0; + info->port.tty = NULL; info->type = PORT_ETRAX; info->tr_running = 0; info->forced_eop = 0; |