static int
srmcons_do_receive_chars(struct tty_struct *tty)
{
+ struct tty_port *port = tty->port;
srmcons_result result;
int count = 0, loops = 0;
do {
result.as_long = callback_getc(0);
if (result.bits.status < 2) {
- tty_insert_flip_char(tty, (char)result.bits.c, 0);
+ tty_insert_flip_char(port, (char)result.bits.c, 0);
count++;
}
} while((result.bits.status & 1) && (++loops < 10));
static void receive_chars(struct tty_struct *tty)
{
+ struct tty_port *port = tty->port;
unsigned char ch;
static unsigned char seen_esc = 0;
}
seen_esc = 0;
- if (tty_insert_flip_char(tty, ch, TTY_NORMAL) == 0)
+ if (tty_insert_flip_char(port, ch, TTY_NORMAL) == 0)
break;
}
tty_flip_buffer_push(tty);
else
flag = TTY_NORMAL;
- tty_insert_flip_char(tty, ch, flag);
+ tty_insert_flip_char(port, ch, flag);
}
/* overrun is special, since it's reported immediately, and doesn't
* affect the current character
*/
if (overrun)
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(port, 0, TTY_OVERRUN);
count--;
if (count <= 0) {
data = pdc_console_poll_key(NULL);
if (data == -1)
break;
- tty_insert_flip_char(tty, data & 0xFF, TTY_NORMAL);
+ tty_insert_flip_char(&tty_port, data & 0xFF, TTY_NORMAL);
count ++;
}
};
#endif /* CONFIG_NOCONFIG_CHAN */
-static void tty_receive_char(struct tty_struct *tty, char ch)
-{
- if (tty)
- tty_insert_flip_char(tty, ch, TTY_NORMAL);
-}
-
static int open_one_chan(struct chan *chan)
{
int fd, err;
}
err = chan->ops->read(chan->fd, &c, chan->data);
if (err > 0)
- tty_receive_char(tty, c);
+ tty_insert_flip_char(port, c, TTY_NORMAL);
} while (err > 0);
if (err == 0)
static void rs_poll(unsigned long priv)
{
struct tty_struct* tty = (struct tty_struct*) priv;
+ struct tty_port *port = tty->port;
struct timeval tv = { .tv_sec = 0, .tv_usec = 0 };
int i = 0;
while (__simc(SYS_select_one, 0, XTISS_SELECT_ONE_READ, (int)&tv,0,0)){
__simc (SYS_read, 0, (unsigned long)&c, 1, 0, 0);
- tty_insert_flip_char(tty, c, TTY_NORMAL);
+ tty_insert_flip_char(port, c, TTY_NORMAL);
i++;
}
else if (status & BIT6)
flag = TTY_FRAME;
}
- work += tty_insert_flip_char(tty, data, flag);
+ work += tty_insert_flip_char(port, data, flag);
}
issue_command(info, CHA, CMD_RXFIFO);
static void ipoctal_irq_rx(struct ipoctal_channel *channel,
struct tty_struct *tty, u8 sr)
{
+ struct tty_port *port = &channel->tty_port;
unsigned char value;
unsigned char flag = TTY_NORMAL;
u8 isr;
if (sr & SR_OVERRUN_ERROR) {
channel->stats.overrun_err++;
/* Overrun doesn't affect the current character*/
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(port, 0, TTY_OVERRUN);
}
if (sr & SR_PARITY_ERROR) {
channel->stats.parity_err++;
flag = TTY_BREAK;
}
}
- tty_insert_flip_char(tty, value, flag);
+ tty_insert_flip_char(port, value, flag);
/* Check if there are more characters in RX FIFO
* If there are more, the isr register for this channel
while ((count_pull < skb->len) && (len > 0)) {
/* push every character but the last to the tty buffer directly */
if (count_put)
- tty_insert_flip_char(tty, last, TTY_NORMAL);
+ tty_insert_flip_char(port, last, TTY_NORMAL);
len--;
if (dev->drv[di]->DLEflag & DLEmask) {
last = DLE;
* Now we can dequeue it.
*/
if (cisco_hack)
- tty_insert_flip_char(tty, last, 0xFF);
+ tty_insert_flip_char(port, last, 0xFF);
else
- tty_insert_flip_char(tty, last, TTY_NORMAL);
+ tty_insert_flip_char(port, last, TTY_NORMAL);
#ifdef CONFIG_ISDN_AUDIO
ISDN_AUDIO_SKB_LOCK(skb) = 0;
#endif
skb = skb_dequeue(&dev->drv[di]->rpqueue[channel]);
dev_kfree_skb(skb);
} else {
- tty_insert_flip_char(tty, last, TTY_NORMAL);
+ tty_insert_flip_char(port, last, TTY_NORMAL);
/* Not yet emptied this buff, so it
* must stay in the queue, for further calls
* but we pull off the data we got until now.
unsigned char *dp = skb->data;
while (--l) {
if (*dp == DLE)
- tty_insert_flip_char(tty, DLE, 0);
- tty_insert_flip_char(tty, *dp++, 0);
+ tty_insert_flip_char(port, DLE, 0);
+ tty_insert_flip_char(port, *dp++, 0);
}
if (*dp == DLE)
- tty_insert_flip_char(tty, DLE, 0);
+ tty_insert_flip_char(port, DLE, 0);
last = *dp;
} else {
#endif
}
#endif
if (info->emu.mdmreg[REG_CPPP] & BIT_CPPP)
- tty_insert_flip_char(tty, last, 0xFF);
+ tty_insert_flip_char(port, last, 0xFF);
else
- tty_insert_flip_char(tty, last, TTY_NORMAL);
+ tty_insert_flip_char(port, last, TTY_NORMAL);
tty_flip_buffer_push(tty);
kfree_skb(skb);
if (skb) {
*sp++ = c;
} else {
- if (tty_insert_flip_char(tty, c, TTY_NORMAL) == 0)
+ if (tty_insert_flip_char(port, c, TTY_NORMAL) == 0)
break;
}
}
if ((*status & port->ignore_status_mask & ~UART_LSR_OE) == 0)
if (tty)
- tty_insert_flip_char(tty, ch, flag);
+ tty_insert_flip_char(&port->port, ch, flag);
/*
* Overrun is special. Since it's reported immediately,
*/
if (*status & ~port->ignore_status_mask & UART_LSR_OE)
if (tty)
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(&port->port, 0,
+ TTY_OVERRUN);
*status = sdio_in(port, UART_LSR);
} while ((*status & UART_LSR_DR) && (max_count-- > 0));
break;
case CTRLCHAR_CTRL:
- tty_insert_flip_char(tty, cchar, TTY_NORMAL);
+ tty_insert_flip_char(&raw->port, cchar,
+ TTY_NORMAL);
tty_flip_buffer_push(tty);
break;
struct tty_struct *tty = tty_port_tty_get(port);
if (!tty)
return;
- tty_insert_flip_char(tty, ch, 0);
+ tty_insert_flip_char(port, ch, 0);
tty_schedule_flip(tty);
tty_kref_put(tty);
}
if (!tty)
return;
while (*cp)
- tty_insert_flip_char(tty, *cp++, 0);
+ tty_insert_flip_char(port, *cp++, 0);
tty_schedule_flip(tty);
tty_kref_put(tty);
}
case CTRLCHAR_SYSRQ:
break;
case CTRLCHAR_CTRL:
- tty_insert_flip_char(tty, cchar, TTY_NORMAL);
+ tty_insert_flip_char(&sclp_port, cchar, TTY_NORMAL);
tty_flip_buffer_push(tty);
break;
case CTRLCHAR_NONE:
strncmp((const char *) buf + count - 2, "\252n", 2))) {
/* add the auto \n */
tty_insert_flip_string(tty, buf, count);
- tty_insert_flip_char(tty, '\n', TTY_NORMAL);
+ tty_insert_flip_char(&sclp_port, '\n', TTY_NORMAL);
} else
tty_insert_flip_string(tty, buf, count - 2);
tty_flip_buffer_push(tty);
!(I_IGNBRK(ch->ch_tun.un_tty))) {
tty_buffer_request_room(&ch->port, 1);
- tty_insert_flip_char(ch->ch_tun.un_tty, 0, TTY_BREAK);
+ tty_insert_flip_char(&ch->port, 0, TTY_BREAK);
tty_flip_buffer_push(ch->ch_tun.un_tty);
}
lsr &= port->status_mask;
if (lsr & ~port->ignore_mask & UART_LSR_OE) {
- if (!tty_insert_flip_char(tty, 0, TTY_OVERRUN)) {
+ if (!tty_insert_flip_char(&port->port, 0, TTY_OVERRUN)) {
err = -EIO;
goto out;
}
wake_up_interruptible(&qt_port->wait);
}
-static void ProcessRxChar(struct tty_struct *tty, struct usb_serial_port *port,
- unsigned char data)
+static void ProcessRxChar(struct usb_serial_port *port, unsigned char data)
{
struct urb *urb = port->read_urb;
if (urb->actual_length)
- tty_insert_flip_char(tty, data, TTY_NORMAL);
+ tty_insert_flip_char(&port->port, data, TTY_NORMAL);
}
static void qt_write_bulk_callback(struct urb *urb)
case 0xff:
dev_dbg(&port->dev, "No status sequence.\n");
- ProcessRxChar(tty, port, data[i]);
- ProcessRxChar(tty, port, data[i + 1]);
+ ProcessRxChar(port, data[i]);
+ ProcessRxChar(port, data[i + 1]);
i += 2;
break;
continue;
}
- if (tty && urb->actual_length)
- tty_insert_flip_char(tty, data[i], TTY_NORMAL);
+ if (urb->actual_length)
+ tty_insert_flip_char(&port->port, data[i], TTY_NORMAL);
}
tty_flip_buffer_push(tty);
oe = 1;
}
}
- tty_insert_flip_char(tty, ch, flag);
+ tty_insert_flip_char(&info->tport, ch, flag);
if (oe == 1)
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(&info->tport, 0, TTY_OVERRUN);
tty_flip_buffer_push(tty);
out:
return;
if (tty_buffer_request_room(port, 1)) {
if (data & info->read_status_mask) {
if (data & CyBREAK) {
- tty_insert_flip_char(tty,
+ tty_insert_flip_char(port,
cyy_readb(info, CyRDSR),
TTY_BREAK);
info->icount.rx++;
if (port->flags & ASYNC_SAK)
do_SAK(tty);
} else if (data & CyFRAME) {
- tty_insert_flip_char(tty,
+ tty_insert_flip_char(port,
cyy_readb(info, CyRDSR),
TTY_FRAME);
info->icount.rx++;
info->idle_stats.frame_errs++;
} else if (data & CyPARITY) {
/* Pieces of seven... */
- tty_insert_flip_char(tty,
+ tty_insert_flip_char(port,
cyy_readb(info, CyRDSR),
TTY_PARITY);
info->icount.rx++;
info->idle_stats.parity_errs++;
} else if (data & CyOVERRUN) {
- tty_insert_flip_char(tty, 0,
+ tty_insert_flip_char(port, 0,
TTY_OVERRUN);
info->icount.rx++;
/* If the flip buffer itself is
overflowing, we still lose
the next incoming character.
*/
- tty_insert_flip_char(tty,
+ tty_insert_flip_char(port,
cyy_readb(info, CyRDSR),
TTY_FRAME);
info->icount.rx++;
/* } else if(data & CyTIMEOUT) { */
/* } else if(data & CySPECHAR) { */
} else {
- tty_insert_flip_char(tty, 0,
+ tty_insert_flip_char(port, 0,
TTY_NORMAL);
info->icount.rx++;
}
} else {
- tty_insert_flip_char(tty, 0, TTY_NORMAL);
+ tty_insert_flip_char(port, 0, TTY_NORMAL);
info->icount.rx++;
}
} else {
len = tty_buffer_request_room(port, char_count);
while (len--) {
data = cyy_readb(info, CyRDSR);
- tty_insert_flip_char(tty, data, TTY_NORMAL);
+ tty_insert_flip_char(port, data, TTY_NORMAL);
info->idle_stats.recv_bytes++;
info->icount.rx++;
#ifdef CY_16Y_HACK
new_rx_get);
new_rx_get = (new_rx_get + 1) &
(rx_bufsize - 1);
- tty_insert_flip_char(tty, data, TTY_NORMAL);
+ tty_insert_flip_char(port, data, TTY_NORMAL);
info->idle_stats.recv_bytes++;
info->icount.rx++;
}
switch (cmd) {
case C_CM_PR_ERROR:
- tty_insert_flip_char(tty, 0, TTY_PARITY);
+ tty_insert_flip_char(&info->port, 0, TTY_PARITY);
info->icount.rx++;
special_count++;
break;
case C_CM_FR_ERROR:
- tty_insert_flip_char(tty, 0, TTY_FRAME);
+ tty_insert_flip_char(&info->port, 0, TTY_FRAME);
info->icount.rx++;
special_count++;
break;
case C_CM_RXBRK:
- tty_insert_flip_char(tty, 0, TTY_BREAK);
+ tty_insert_flip_char(&info->port, 0, TTY_BREAK);
info->icount.rx++;
special_count++;
break;
}
}
#endif /* CONFIG_MAGIC_SYSRQ */
- tty_insert_flip_char(tty, buf[i], 0);
+ tty_insert_flip_char(&hp->port, buf[i], 0);
}
read_total += n;
}
}
-static void hvsi_insert_chars(struct hvsi_struct *hp, struct tty_struct *tty,
- const char *buf, int len)
+static void hvsi_insert_chars(struct hvsi_struct *hp, const char *buf, int len)
{
int i;
continue;
}
#endif /* CONFIG_MAGIC_SYSRQ */
- tty_insert_flip_char(tty, c, 0);
+ tty_insert_flip_char(&hp->port, c, 0);
}
}
* revisited.
*/
#define TTY_THRESHOLD_THROTTLE 128
-static bool hvsi_recv_data(struct hvsi_struct *hp, struct tty_struct *tty,
- const uint8_t *packet)
+static bool hvsi_recv_data(struct hvsi_struct *hp, const uint8_t *packet)
{
const struct hvsi_header *header = (const struct hvsi_header *)packet;
const uint8_t *data = packet + sizeof(struct hvsi_header);
datalen = TTY_THRESHOLD_THROTTLE;
}
- hvsi_insert_chars(hp, tty, data, datalen);
+ hvsi_insert_chars(hp, data, datalen);
if (overflow > 0) {
/*
case VS_DATA_PACKET_HEADER:
if (!is_open(hp))
break;
- if (tty == NULL)
- break; /* no tty buffer to put data in */
- flip = hvsi_recv_data(hp, tty, packet);
+ flip = hvsi_recv_data(hp, packet);
break;
case VS_CONTROL_PACKET_HEADER:
hvsi_recv_control(hp, packet, tty, handshake);
return 1;
}
-static void hvsi_send_overflow(struct hvsi_struct *hp, struct tty_struct *tty)
+static void hvsi_send_overflow(struct hvsi_struct *hp)
{
pr_debug("%s: delivering %i bytes overflow\n", __func__,
hp->n_throttle);
- hvsi_insert_chars(hp, tty, hp->throttle_buf, hp->n_throttle);
+ hvsi_insert_chars(hp, hp->throttle_buf, hp->n_throttle);
hp->n_throttle = 0;
}
if (tty && hp->n_throttle && !test_bit(TTY_THROTTLED, &tty->flags)) {
/* we weren't hung up and we weren't throttled, so we can
* deliver the rest now */
- hvsi_send_overflow(hp, tty);
+ hvsi_send_overflow(hp);
tty_flip_buffer_push(tty);
}
spin_unlock_irqrestore(&hp->lock, flags);
spin_lock_irqsave(&hp->lock, flags);
if (hp->n_throttle) {
- hvsi_send_overflow(hp, tty);
+ hvsi_send_overflow(hp);
tty_flip_buffer_push(tty);
}
spin_unlock_irqrestore(&hp->lock, flags);
break;
case 1: /* Received Break !!! */
- tty_insert_flip_char(tty, 0, TTY_BREAK);
+ tty_insert_flip_char(&port->port, 0, TTY_BREAK);
if (port->port.flags & ASYNC_SAK)
do_SAK(tty);
tty_flip_buffer_push(tty);
insw(base, rp, word_count);
byte_count -= (word_count << 1);
if (count & 0x0001) {
- tty_insert_flip_char(tty, inw(base) & 0xff,
+ tty_insert_flip_char(&port->port, inw(base) & 0xff,
TTY_NORMAL);
byte_count -= 2;
}
goto put;
if (tty && (intr & IntrBreak) && !I_IGNBRK(tty)) { /* BREAK */
- tty_insert_flip_char(tty, 0, TTY_BREAK);
+ tty_insert_flip_char(&p->port, 0, TTY_BREAK);
tty_schedule_flip(tty);
}
}
while (gdl--) {
ch = inb(port->ioaddr + UART_RX);
- tty_insert_flip_char(tty, ch, 0);
+ tty_insert_flip_char(&port->port, ch, 0);
cnt++;
}
goto end_intr;
} else
flag = TTY_BREAK;
}
- tty_insert_flip_char(tty, ch, flag);
+ tty_insert_flip_char(&port->port, ch, flag);
cnt++;
if (cnt >= recv_room) {
if (!port->ldisc_stop_rx)
if ((mlines & TIOCM_CD) == 0 && (dlci->modem_rx & TIOCM_CD))
if (!(tty->termios.c_cflag & CLOCAL))
tty_hangup(tty);
- if (brk & 0x01)
- tty_insert_flip_char(tty, 0, TTY_BREAK);
}
+ if (brk & 0x01)
+ tty_insert_flip_char(&dlci->port, 0, TTY_BREAK);
dlci->modem_rx = mlines;
}
static void gsm_control_rls(struct gsm_mux *gsm, u8 *data, int clen)
{
+ struct tty_port *port;
struct tty_struct *tty;
unsigned int addr = 0 ;
u8 bits;
bits = *dp;
if ((bits & 1) == 0)
return;
- /* See if we have an uplink tty */
- tty = tty_port_tty_get(&gsm->dlci[addr]->port);
+ port = &gsm->dlci[addr]->port;
+
+ if (bits & 2)
+ tty_insert_flip_char(port, 0, TTY_OVERRUN);
+ if (bits & 4)
+ tty_insert_flip_char(port, 0, TTY_PARITY);
+ if (bits & 8)
+ tty_insert_flip_char(port, 0, TTY_FRAME);
+
+ /* See if we have an uplink tty */
+ tty = tty_port_tty_get(port);
if (tty) {
- if (bits & 2)
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
- if (bits & 4)
- tty_insert_flip_char(tty, 0, TTY_PARITY);
- if (bits & 8)
- tty_insert_flip_char(tty, 0, TTY_FRAME);
tty_flip_buffer_push(tty);
tty_kref_put(tty);
}
read_mem32((u32 *) buf, addr + offset, RECEIVE_BUF_MAX);
if (size == 1) {
- tty_insert_flip_char(tty, buf[0], TTY_NORMAL);
+ tty_insert_flip_char(&port->port, buf[0], TTY_NORMAL);
size = 0;
} else if (size < RECEIVE_BUF_MAX) {
size -= tty_insert_flip_string(tty, (char *) buf, size);
flag = TTY_OVERRUN;
else
flag = TTY_NORMAL;
- tty_insert_flip_char(tty, CharNStat & 0xff, flag);
+ tty_insert_flip_char(&info->port, CharNStat & 0xff,
+ flag);
ToRecv--;
}
else if (rx & URX_FRAME_ERROR)
flag = TTY_FRAME;
- tty_insert_flip_char(tty, ch, flag);
+ tty_insert_flip_char(&info->tport, ch, flag);
#ifndef CONFIG_XCOPILOT_BUGS
} while((rx = uart->urx.w) & URX_DATA_READY);
#endif
static void ar933x_uart_rx_chars(struct ar933x_uart_port *up)
{
+ struct tty_port *port = &up->port.state->port;
struct tty_struct *tty;
int max_count = 256;
- tty = tty_port_tty_get(&up->port.state->port);
+ tty = tty_port_tty_get(port);
do {
unsigned int rdata;
unsigned char ch;
ar933x_uart_write(up, AR933X_UART_DATA_REG,
AR933X_UART_DATA_RX_CSR);
- if (!tty) {
- /* discard the data if no tty available */
- continue;
- }
-
up->port.icount.rx++;
ch = rdata & AR933X_UART_DATA_TX_RX_MASK;
continue;
if ((up->port.ignore_status_mask & AR933X_DUMMY_STATUS_RD) == 0)
- tty_insert_flip_char(tty, ch, TTY_NORMAL);
+ tty_insert_flip_char(port, ch, TTY_NORMAL);
} while (max_count-- > 0);
if (tty) {
*/
static void bcm_uart_do_rx(struct uart_port *port)
{
+ struct tty_port *port = &port->state->port;
struct tty_struct *tty;
unsigned int max_count;
* higher than fifo size anyway since we're much faster than
* serial port */
max_count = 32;
- tty = port->state->port.tty;
+ tty = port->tty;
do {
unsigned int iestat, c, cstat;
char flag;
bcm_uart_writel(port, val, UART_CTL_REG);
port->icount.overrun++;
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(port, 0, TTY_OVERRUN);
}
if (!(iestat & UART_IR_STAT(UART_IR_RXNOTEMPTY)))
if ((cstat & port->ignore_status_mask) == 0)
- tty_insert_flip_char(tty, c, flag);
+ tty_insert_flip_char(port, c, flag);
} while (--max_count);
static irqreturn_t sport_uart_rx_irq(int irq, void *dev_id)
{
struct sport_uart_port *up = dev_id;
- struct tty_struct *tty = up->port.state->port.tty;
+ struct tty_port *port = &up->port.state->port;
+ struct tty_struct *tty = tport->tty;
unsigned int ch;
spin_lock(&up->port.lock);
up->port.icount.rx++;
if (!uart_handle_sysrq_char(&up->port, ch))
- tty_insert_flip_char(tty, ch, TTY_NORMAL);
+ tty_insert_flip_char(port, ch, TTY_NORMAL);
}
tty_flip_buffer_push(tty);
static irqreturn_t sport_uart_err_irq(int irq, void *dev_id)
{
struct sport_uart_port *up = dev_id;
- struct tty_struct *tty = up->port.state->port.tty;
unsigned int stat = SPORT_GET_STAT(up);
spin_lock(&up->port.lock);
/* Overflow in RX FIFO */
if (stat & ROVF) {
up->port.icount.overrun++;
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(&up->port.state->port, 0, TTY_OVERRUN);
SPORT_PUT_STAT(up, ROVF); /* Clear ROVF bit */
}
/* These should not happen */
SSYNC();
spin_unlock(&up->port.lock);
+ /* XXX we don't push the overrun bit to TTY? */
+
return IRQ_HANDLED;
}
}
#endif
error_return:
- tty_insert_flip_char(tty, ch, flg);
+ tty_insert_flip_char(tport, ch, flg);
} /* End while (i--) */
info->icount.rx++;
} else {
- struct tty_struct *tty = info->port.tty;
- tty_insert_flip_char(tty, data, flag);
+ tty_insert_flip_char(&info->port, data, flag);
info->icount.rx++;
}
data_in, data_read);
char flag = TTY_NORMAL;
if (info->errorcode == ERRCODE_INSERT_BREAK) {
- struct tty_struct *tty = info->port.tty;
- tty_insert_flip_char(tty, 0, flag);
+ tty_insert_flip_char(&info->port, 0, flag);
info->icount.rx++;
}
info->icount.frame++;
flag = TTY_FRAME;
}
- tty_insert_flip_char(tty, data, flag);
+ tty_insert_flip_char(&info->port, data, flag);
info->errorcode = 0;
}
info->break_detected_cnt = 0;
log_int(rdpc(), 0, 0);
}
);
- tty_insert_flip_char(tty,
+ tty_insert_flip_char(&info->port,
IO_EXTRACT(R_SERIAL0_READ, data_in, data_read),
TTY_NORMAL);
} else {
/* not possible without fiddling with gpios */
}
-static void efm32_uart_rx_chars(struct efm32_uart_port *efm_port,
- struct tty_struct *tty)
+static void efm32_uart_rx_chars(struct efm32_uart_port *efm_port)
{
struct uart_port *port = &efm_port->port;
rxdata & UARTn_RXDATAX_RXDATA__MASK))
continue;
- if (tty && (rxdata & port->ignore_status_mask) == 0)
- tty_insert_flip_char(tty,
+ if ((rxdata & port->ignore_status_mask) == 0)
+ tty_insert_flip_char(&port->state->port,
rxdata & UARTn_RXDATAX_RXDATA__MASK, flag);
}
}
u32 irqflag = efm32_uart_read32(efm_port, UARTn_IF);
int handled = IRQ_NONE;
struct uart_port *port = &efm_port->port;
+ struct tty_port *tport = &port->state->port;
struct tty_struct *tty;
spin_lock(&port->lock);
- tty = tty_kref_get(port->state->port.tty);
+ tty = tty_kref_get(tport->tty);
if (irqflag & UARTn_IF_RXDATAV) {
efm32_uart_write32(efm_port, UARTn_IF_RXDATAV, UARTn_IFC);
- efm32_uart_rx_chars(efm_port, tty);
+ efm32_uart_rx_chars(efm_port);
handled = IRQ_HANDLED;
}
if (irqflag & UARTn_IF_RXOF) {
efm32_uart_write32(efm_port, UARTn_IF_RXOF, UARTn_IFC);
port->icount.overrun++;
- if (tty)
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(tport, 0, TTY_OVERRUN);
handled = IRQ_HANDLED;
}
static void recv_interrupt(u16 port_int_reg, struct icom_port *icom_port)
{
short int count, rcv_buff;
- struct tty_struct *tty = icom_port->uart_port.state->port.tty;
+ struct tty_port *port = &icom_port->uart_port.state->port;
+ struct tty_struct *tty = port->tty;
unsigned short int status;
struct uart_icount *icount;
unsigned long offset;
}
- tty_insert_flip_char(tty, *(icom_port->recv_buf + offset + count - 1), flag);
+ tty_insert_flip_char(port, *(icom_port->recv_buf + offset + count - 1), flag);
if (status & SA_FLAGS_OVERRUN)
/*
* reported immediately, and doesn't
* affect the current character
*/
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(port, 0, TTY_OVERRUN);
ignore_char:
icom_port->statStg->rcv[rcv_buff].flags = 0;
icom_port->statStg->rcv[rcv_buff].leLength = 0;
struct imx_port *sport = dev_id;
unsigned int rx, flg, ignored = 0;
struct tty_struct *tty = sport->port.state->port.tty;
+ struct tty_port *port = &sport->port.state->port;
+ struct tty_struct *tty = port->tty;
unsigned long flags, temp;
spin_lock_irqsave(&sport->port.lock, flags);
#endif
}
- tty_insert_flip_char(tty, rx, flg);
+ tty_insert_flip_char(port, rx, flg);
}
out:
* format it likes.
*/
if (*(ch->ch_equeue +tail +i) & UART_LSR_BI)
- tty_insert_flip_char(tp, *(ch->ch_rqueue +tail +i), TTY_BREAK);
+ tty_insert_flip_char(port, *(ch->ch_rqueue +tail +i), TTY_BREAK);
else if (*(ch->ch_equeue +tail +i) & UART_LSR_PE)
- tty_insert_flip_char(tp, *(ch->ch_rqueue +tail +i), TTY_PARITY);
+ tty_insert_flip_char(port, *(ch->ch_rqueue +tail +i), TTY_PARITY);
else if (*(ch->ch_equeue +tail +i) & UART_LSR_FE)
- tty_insert_flip_char(tp, *(ch->ch_rqueue +tail +i), TTY_FRAME);
+ tty_insert_flip_char(port, *(ch->ch_rqueue +tail +i), TTY_FRAME);
else
- tty_insert_flip_char(tp, *(ch->ch_rqueue +tail +i), TTY_NORMAL);
+ tty_insert_flip_char(port, *(ch->ch_rqueue +tail +i), TTY_NORMAL);
}
} else {
tty_insert_flip_string(tp, ch->ch_rqueue + tail, s) ;
return;
while (kfifo_out(&priv->fifo, &ch, 1))
- tty_insert_flip_char(priv->port.tty, ch, TTY_NORMAL);
+ tty_insert_flip_char(&priv->port, ch, TTY_NORMAL);
tty_flip_buffer_push(priv->port.tty);
tty_kref_put(tty);
static int
lqasc_rx_chars(struct uart_port *port)
{
- struct tty_struct *tty = tty_port_tty_get(&port->state->port);
+ struct tty_port *tport = &port->state->port;
+ struct tty_struct *tty = tty_port_tty_get(tport);
unsigned int ch = 0, rsr = 0, fifocnt;
if (!tty) {
}
if ((rsr & port->ignore_status_mask) == 0)
- tty_insert_flip_char(tty, ch, flag);
+ tty_insert_flip_char(tport, ch, flag);
if (rsr & ASCSTATE_ROE)
/*
* immediately, and doesn't affect the current
* character
*/
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(tport, 0, TTY_OVERRUN);
}
if (ch != 0)
tty_flip_buffer_push(tty);
static void __serial_lpc32xx_rx(struct uart_port *port)
{
+ struct tty_port *tport = &port->state->port;
unsigned int tmp, flag;
- struct tty_struct *tty = tty_port_tty_get(&port->state->port);
+ struct tty_struct *tty = tty_port_tty_get(tport);
if (!tty) {
/* Discard data: no tty available */
LPC32XX_HSUART_IIR(port->membase));
port->icount.frame++;
flag = TTY_FRAME;
- tty_insert_flip_char(tty, 0, TTY_FRAME);
+ tty_insert_flip_char(tport, 0, TTY_FRAME);
}
- tty_insert_flip_char(tty, (tmp & 0xFF), flag);
+ tty_insert_flip_char(tport, (tmp & 0xFF), flag);
tmp = readl(LPC32XX_HSUART_FIFO(port->membase));
}
static irqreturn_t serial_lpc32xx_interrupt(int irq, void *dev_id)
{
struct uart_port *port = dev_id;
- struct tty_struct *tty = tty_port_tty_get(&port->state->port);
+ struct tty_port *port = &port->state->port;
+ struct tty_struct *tty = tty_port_tty_get(tport);
u32 status;
spin_lock(&port->lock);
writel(LPC32XX_HSU_RX_OE_INT,
LPC32XX_HSUART_IIR(port->membase));
port->icount.overrun++;
+ tty_insert_flip_char(tport, 0, TTY_OVERRUN);
if (tty) {
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
tty_schedule_flip(tty);
}
}
static void receive_chars(struct uart_sio_port *up, int *status)
{
- struct tty_struct *tty = up->port.state->port.tty;
+ struct tty_port *port = &up->port.state->port;
+ struct tty_struct *tty = tport->tty;
unsigned char ch;
unsigned char flag;
int max_count = 256;
if (uart_handle_sysrq_char(&up->port, ch))
goto ignore_char;
if ((*status & up->port.ignore_status_mask) == 0)
- tty_insert_flip_char(tty, ch, flag);
+ tty_insert_flip_char(port, ch, flag);
if (*status & UART_LSR_OE) {
/*
* immediately, and doesn't affect the current
* character.
*/
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(port, 0, TTY_OVERRUN);
}
ignore_char:
*status = serial_in(up, UART_LSR);
static inline int
mpc52xx_uart_int_rx_chars(struct uart_port *port)
{
- struct tty_struct *tty = port->state->port.tty;
+ struct tty_port *tport = &port->state->port;
+ struct tty_struct *tty = tport->tty;
unsigned char ch, flag;
unsigned short status;
out_8(&PSC(port)->command, MPC52xx_PSC_RST_ERR_STAT);
}
- tty_insert_flip_char(tty, ch, flag);
+ tty_insert_flip_char(tport, ch, flag);
if (status & MPC52xx_PSC_SR_OE) {
/*
* Overrun is special, since it's
* reported immediately, and doesn't
* affect the current character
*/
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(tport, 0, TTY_OVERRUN);
port->icount.overrun++;
}
}
| SDMA_DESC_CMDSTAT_FR
| SDMA_DESC_CMDSTAT_OR)))
&& !(cmdstat & pi->port.ignore_status_mask)) {
- tty_insert_flip_char(tty, *bp, flag);
+ tty_insert_flip_char(port, *bp, flag);
} else {
for (i=0; i<bytes_in; i++)
- tty_insert_flip_char(tty, *bp++, TTY_NORMAL);
+ tty_insert_flip_char(port, *bp++, TTY_NORMAL);
pi->port.icount.rx += bytes_in;
}
static void handle_rx_dm(struct uart_port *port, unsigned int misr)
{
- struct tty_struct *tty = port->state->port.tty;
+ struct tty_port *tport = &port->state->port;
+ struct tty_struct *tty = tport->tty;
unsigned int sr;
int count = 0;
struct msm_port *msm_port = UART_TO_MSM(port);
if ((msm_read(port, UART_SR) & UART_SR_OVERRUN)) {
port->icount.overrun++;
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(tport, 0, TTY_OVERRUN);
msm_write(port, UART_CR_CMD_RESET_ERR, UART_CR);
}
static void handle_rx(struct uart_port *port)
{
- struct tty_struct *tty = port->state->port.tty;
+ struct tty_port *tport = &port->state->port;
+ struct tty_struct *tty = tport->tty;
unsigned int sr;
/*
*/
if ((msm_read(port, UART_SR) & UART_SR_OVERRUN)) {
port->icount.overrun++;
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(tport, 0, TTY_OVERRUN);
msm_write(port, UART_CR_CMD_RESET_ERR, UART_CR);
}
}
if (!uart_handle_sysrq_char(port, c))
- tty_insert_flip_char(tty, c, flag);
+ tty_insert_flip_char(tport, c, flag);
}
tty_flip_buffer_push(tty);
unsigned long flags;
unsigned int flush;
struct tty_struct *tty;
+ struct tty_port *port;
struct uart_port *uport;
struct msm_hs_port *msm_uport;
spin_lock_irqsave(&uport->lock, flags);
clk_enable(msm_uport->clk);
- tty = uport->state->port.tty;
+ port = &uport->state->port;
+ tty = port->tty;
msm_hs_write(uport, UARTDM_CR_ADDR, STALE_EVENT_DISABLE);
/* overflow is not connect to data in a FIFO */
if (unlikely((status & UARTDM_SR_OVERRUN_BMSK) &&
(uport->read_status_mask & CREAD))) {
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(port, 0, TTY_OVERRUN);
uport->icount.buf_overrun++;
error_f = 1;
}
uport->icount.parity++;
error_f = 1;
if (uport->ignore_status_mask & IGNPAR)
- tty_insert_flip_char(tty, 0, TTY_PARITY);
+ tty_insert_flip_char(port, 0, TTY_PARITY);
}
if (error_f)
unsigned long flags;
struct msm_hs_port *msm_uport = dev;
struct uart_port *uport = &msm_uport->uport;
- struct tty_struct *tty = NULL;
spin_lock_irqsave(&uport->lock, flags);
if (msm_uport->clk_state == MSM_HS_CLK_OFF) {
* optionally inject char into tty rx */
msm_hs_request_clock_on_locked(uport);
if (msm_uport->rx_wakeup.inject_rx) {
- tty = uport->state->port.tty;
- tty_insert_flip_char(tty,
+ tty_insert_flip_char(&uport->state->port,
msm_uport->rx_wakeup.rx_to_inject,
TTY_NORMAL);
queue_work(msm_hs_workqueue, &msm_uport->rx.tty_work);
*/
static void mux_read(struct uart_port *port)
{
+ struct tty_port *tport = &port->state->port;
int data;
- struct tty_struct *tty = port->state->port.tty;
+ struct tty_struct *tty = tport->tty;
__u32 start_count = port->icount.rx;
while(1) {
if (uart_handle_sysrq_char(port, data & 0xffu))
continue;
- tty_insert_flip_char(tty, data & 0xFF, TTY_NORMAL);
+ tty_insert_flip_char(tport, data & 0xFF, TTY_NORMAL);
}
if (start_count != port->icount.rx) {
static irqreturn_t nwpserial_interrupt(int irq, void *dev_id)
{
struct nwpserial_port *up = dev_id;
- struct tty_struct *tty = up->port.state->port.tty;
+ struct tty_port *port = &up->port.state->port;
+ struct tty_struct *tty = port->tty;
irqreturn_t ret;
unsigned int iir;
unsigned char ch;
up->port.icount.rx++;
ch = dcr_read(up->dcr_host, UART_RX);
if (up->port.ignore_status_mask != NWPSERIAL_STATUS_RXVALID)
- tty_insert_flip_char(tty, ch, TTY_NORMAL);
+ tty_insert_flip_char(port, ch, TTY_NORMAL);
} while (dcr_read(up->dcr_host, UART_LSR) & UART_LSR_DR);
tty_flip_buffer_push(tty);
static struct tty_struct *pmz_receive_chars(struct uart_pmac_port *uap)
{
+ struct tty_port *port;
struct tty_struct *tty = NULL;
unsigned char ch, r1, drop, error, flag;
int loops = 0;
(void)read_zsdata(uap);
return NULL;
}
- tty = uap->port.state->port.tty;
+ port = &uap->port.state->port;
+ tty = port->tty; /* TOCTOU above */
while (1) {
error = 0;
if (uap->port.ignore_status_mask == 0xff ||
(r1 & uap->port.ignore_status_mask) == 0) {
- tty_insert_flip_char(tty, ch, flag);
+ tty_insert_flip_char(port, ch, flag);
}
if (r1 & Rx_OVR)
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(port, 0, TTY_OVERRUN);
next_char:
/* We can get stuck in an infinite loop getting char 0 when the
* line is in a wrong HW state, we break that here.
static struct tty_struct *receive_chars(struct uart_port *port)
{
+ struct tty_port *tport = NULL;
struct tty_struct *tty = NULL;
int limit = 10000;
unsigned char ch;
char flag;
u8 status;
- if (port->state != NULL) /* Unopened serial console */
- tty = port->state->port.tty;
+ /* FIXME what is this trying to achieve? */
+ if (port->state != NULL) { /* Unopened serial console */
+ tport = &port->state->port;
+ tty = tport->tty;
+ }
while (limit-- > 0) {
status = READ_SC_PORT(port, SR);
if (status & port->ignore_status_mask)
continue;
- tty_insert_flip_char(tty, ch, flag);
+ tty_insert_flip_char(tport, ch, flag);
}
return tty;
}
void uart_insert_char(struct uart_port *port, unsigned int status,
unsigned int overrun, unsigned int ch, unsigned int flag)
{
- struct tty_struct *tty = port->state->port.tty;
+ struct tty_port *tport = &port->state->port;
if ((status & port->ignore_status_mask & ~overrun) == 0)
- if (tty_insert_flip_char(tty, ch, flag) == 0)
+ if (tty_insert_flip_char(tport, ch, flag) == 0)
++port->icount.buf_overrun;
/*
* it doesn't affect the current character.
*/
if (status & ~port->ignore_status_mask & overrun)
- if (tty_insert_flip_char(tty, 0, TTY_OVERRUN) == 0)
+ if (tty_insert_flip_char(tport, 0, TTY_OVERRUN) == 0)
++port->icount.buf_overrun;
}
EXPORT_SYMBOL_GPL(uart_insert_char);
sci_port->break_flag)
count = 0;
else
- tty_insert_flip_char(tty, c, TTY_NORMAL);
+ tty_insert_flip_char(tport, c, TTY_NORMAL);
} else {
for (i = 0; i < count; i++) {
char c = serial_port_in(port, SCxRDR);
} else
flag = TTY_NORMAL;
- tty_insert_flip_char(tty, c, flag);
+ tty_insert_flip_char(tport, c, flag);
}
}
{
int copied = 0;
unsigned short status = serial_port_in(port, SCxSR);
- struct tty_struct *tty = port->state->port.tty;
+ struct tty_port *tport = &port->state->port;
+ struct tty_struct *tty = tport->tty;
struct sci_port *s = to_sci_port(port);
/*
port->icount.overrun++;
/* overrun error */
- if (tty_insert_flip_char(tty, 0, TTY_OVERRUN))
+ if (tty_insert_flip_char(tport, 0, TTY_OVERRUN))
copied++;
dev_notice(port->dev, "overrun error");
dev_dbg(port->dev, "BREAK detected\n");
- if (tty_insert_flip_char(tty, 0, TTY_BREAK))
+ if (tty_insert_flip_char(tport, 0, TTY_BREAK))
copied++;
}
/* frame error */
port->icount.frame++;
- if (tty_insert_flip_char(tty, 0, TTY_FRAME))
+ if (tty_insert_flip_char(tport, 0, TTY_FRAME))
copied++;
dev_notice(port->dev, "frame error\n");
/* parity error */
port->icount.parity++;
- if (tty_insert_flip_char(tty, 0, TTY_PARITY))
+ if (tty_insert_flip_char(tport, 0, TTY_PARITY))
copied++;
dev_notice(port->dev, "parity error");
static int sci_handle_fifo_overrun(struct uart_port *port)
{
- struct tty_struct *tty = port->state->port.tty;
+ struct tty_port *tport = &port->state->port;
+ struct tty_struct *tty = tport->tty;
struct sci_port *s = to_sci_port(port);
struct plat_sci_reg *reg;
int copied = 0;
port->icount.overrun++;
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(tport, 0, TTY_OVERRUN);
tty_flip_buffer_push(tty);
dev_notice(port->dev, "overrun error\n");
{
int copied = 0;
unsigned short status = serial_port_in(port, SCxSR);
- struct tty_struct *tty = port->state->port.tty;
+ struct tty_port *tport = &port->state->port;
+ struct tty_struct *tty = tport->tty;
struct sci_port *s = to_sci_port(port);
if (uart_handle_break(port))
port->icount.brk++;
/* Notify of BREAK */
- if (tty_insert_flip_char(tty, 0, TTY_BREAK))
+ if (tty_insert_flip_char(tport, 0, TTY_BREAK))
copied++;
dev_dbg(port->dev, "BREAK detected\n");
}
/* Locking: called with port lock held */
-static int sci_dma_rx_push(struct sci_port *s, struct tty_struct *tty,
- size_t count)
+static int sci_dma_rx_push(struct sci_port *s, size_t count)
{
struct uart_port *port = &s->port;
struct tty_port *tport = &port->state->port;
return room;
for (i = 0; i < room; i++)
- tty_insert_flip_char(tty, ((u8 *)sg_virt(&s->sg_rx[active]))[i],
+ tty_insert_flip_char(tport, ((u8 *)sg_virt(&s->sg_rx[active]))[i],
TTY_NORMAL);
port->icount.rx += room;
spin_lock_irqsave(&port->lock, flags);
- count = sci_dma_rx_push(s, tty, s->buf_len_rx);
+ count = sci_dma_rx_push(s, s->buf_len_rx);
mod_timer(&s->rx_timer, jiffies + s->rx_timeout);
sh_desc->partial, sh_desc->cookie);
spin_lock_irqsave(&port->lock, flags);
- count = sci_dma_rx_push(s, tty, sh_desc->partial);
+ count = sci_dma_rx_push(s, sh_desc->partial);
spin_unlock_irqrestore(&port->lock, flags);
if (count)
static void
sn_receive_chars(struct sn_cons_port *port, unsigned long flags)
{
+ struct tty_port *tport = NULL;
int ch;
struct tty_struct *tty;
if (port->sc_port.state) {
/* The serial_core stuffs are initialized, use them */
- tty = port->sc_port.state->port.tty;
+ tport = &port->sc_port.state->port;
+ tty = tport->tty;
}
else {
/* Not registered yet - can't pass to tty layer. */
/* record the character to pass up to the tty layer */
if (tty) {
- if(tty_insert_flip_char(tty, ch, TTY_NORMAL) == 0)
+ if (tty_insert_flip_char(tport, ch, TTY_NORMAL) == 0)
break;
}
port->sc_port.icount.rx++;
uart_handle_dcd_change(port, 1);
}
- if (tty == NULL) {
+ if (port->state == NULL) {
uart_handle_sysrq_char(port, c);
continue;
}
if (uart_handle_sysrq_char(port, c))
continue;
- tty_insert_flip_char(tty, c, TTY_NORMAL);
+ tty_insert_flip_char(&port->state->port, c, TTY_NORMAL);
}
return saw_console_brk;
receive_chars(struct uart_sunsab_port *up,
union sab82532_irq_status *stat)
{
+ struct tty_port *port = NULL;
struct tty_struct *tty = NULL;
unsigned char buf[32];
int saw_console_brk = 0;
int count = 0;
int i;
- if (up->port.state != NULL) /* Unopened serial console */
- tty = up->port.state->port.tty;
+ if (up->port.state != NULL) { /* Unopened serial console */
+ port = &up->port.state->port;
+ tty = port->tty;
+ }
/* Read number of BYTES (Character + Status) available. */
if (stat->sreg.isr0 & SAB82532_ISR0_RPF) {
for (i = 0; i < count; i++) {
unsigned char ch = buf[i], flag;
- if (tty == NULL) {
- uart_handle_sysrq_char(&up->port, ch);
- continue;
- }
-
flag = TTY_NORMAL;
up->port.icount.rx++;
if ((stat->sreg.isr0 & (up->port.ignore_status_mask & 0xff)) == 0 &&
(stat->sreg.isr1 & ((up->port.ignore_status_mask >> 8) & 0xff)) == 0)
- tty_insert_flip_char(tty, ch, flag);
+ tty_insert_flip_char(port, ch, flag);
if (stat->sreg.isr0 & SAB82532_ISR0_RFO)
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(port, 0, TTY_OVERRUN);
}
if (saw_console_brk)
static struct tty_struct *
receive_chars(struct uart_sunsu_port *up, unsigned char *status)
{
- struct tty_struct *tty = up->port.state->port.tty;
+ struct tty_port *port = &up->port.state->port;
+ struct tty_struct *tty = port->tty;
unsigned char ch, flag;
int max_count = 256;
int saw_console_brk = 0;
if (uart_handle_sysrq_char(&up->port, ch))
goto ignore_char;
if ((*status & up->port.ignore_status_mask) == 0)
- tty_insert_flip_char(tty, ch, flag);
+ tty_insert_flip_char(port, ch, flag);
if (*status & UART_LSR_OE)
/*
* Overrun is special, since it's reported
* immediately, and doesn't affect the current
* character.
*/
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(port, 0, TTY_OVERRUN);
ignore_char:
*status = serial_inp(up, UART_LSR);
} while ((*status & UART_LSR_DR) && (max_count-- > 0));
sunzilog_receive_chars(struct uart_sunzilog_port *up,
struct zilog_channel __iomem *channel)
{
+ struct tty_port *port = NULL;
struct tty_struct *tty;
unsigned char ch, r1, flag;
tty = NULL;
- if (up->port.state != NULL && /* Unopened serial console */
- up->port.state->port.tty != NULL) /* Keyboard || mouse */
- tty = up->port.state->port.tty;
+ if (up->port.state != NULL) { /* Unopened serial console */
+ port = &up->port.state->port;
+ tty = port->tty; /* mouse => tty is NULL */
+ }
for (;;) {
continue;
}
- if (tty == NULL) {
- uart_handle_sysrq_char(&up->port, ch);
- continue;
- }
-
/* A real serial line, record the character and status. */
flag = TTY_NORMAL;
up->port.icount.rx++;
if (up->port.ignore_status_mask == 0xff ||
(r1 & up->port.ignore_status_mask) == 0) {
- tty_insert_flip_char(tty, ch, flag);
+ tty_insert_flip_char(port, ch, flag);
}
if (r1 & Rx_OVR)
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(port, 0, TTY_OVERRUN);
}
return tty;
static void timbuart_rx_chars(struct uart_port *port)
{
- struct tty_struct *tty = port->state->port.tty;
+ struct tty_port *tport = &port->state->port;
while (ioread32(port->membase + TIMBUART_ISR) & RXDP) {
u8 ch = ioread8(port->membase + TIMBUART_RXFIFO);
port->icount.rx++;
- tty_insert_flip_char(tty, ch, TTY_NORMAL);
+ tty_insert_flip_char(tport, ch, TTY_NORMAL);
}
spin_unlock(&port->lock);
static int ulite_receive(struct uart_port *port, int stat)
{
- struct tty_struct *tty = port->state->port.tty;
+ struct tty_port *tport = &port->state->port;
unsigned char ch = 0;
char flag = TTY_NORMAL;
stat &= ~port->ignore_status_mask;
if (stat & ULITE_STATUS_RXVALID)
- tty_insert_flip_char(tty, ch, flag);
+ tty_insert_flip_char(tport, ch, flag);
if (stat & ULITE_STATUS_FRAME)
- tty_insert_flip_char(tty, 0, TTY_FRAME);
+ tty_insert_flip_char(tport, 0, TTY_FRAME);
if (stat & ULITE_STATUS_OVERRUN)
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(tport, 0, TTY_OVERRUN);
return 1;
}
continue;
error_return:
- tty_insert_flip_char(tty, ch, flg);
+ tty_insert_flip_char(tport, ch, flg);
}
/* Overrun does not affect the current character ! */
if (status & BD_SC_OV)
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(tport, 0, TTY_OVERRUN);
#ifdef SUPPORT_SYSRQ
port->sysrq = 0;
#endif
static void handle_rx(struct uart_port *port)
{
- struct tty_struct *tty = tty_port_tty_get(&port->state->port);
+ struct tty_port *tport = &port->state->port;
+ struct tty_struct *tty = tty_port_tty_get(tport);
if (!tty) {
/* Discard data: no tty available */
int count = (vt8500_read(port, VT8500_URFIDX) & 0x1f00) >> 8;
*/
if ((vt8500_read(port, VT8500_URISR) & RXOVER)) {
port->icount.overrun++;
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(tport, 0, TTY_OVERRUN);
}
/* and now the main RX loop */
port->icount.rx++;
if (!uart_handle_sysrq_char(port, c))
- tty_insert_flip_char(tty, c, flag);
+ tty_insert_flip_char(tport, c, flag);
}
tty_flip_buffer_push(tty);
else if (status & RXSTATUS_FRAMING_ERROR)
flag = TTY_FRAME;
} /* end of if (error) */
- tty_insert_flip_char(tty, DataByte, flag);
+ tty_insert_flip_char(&info->port, DataByte, flag);
if (status & RXSTATUS_OVERRUN) {
/* Overrun is special, since it's
* reported immediately, and doesn't
* affect the current character
*/
- work += tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ work += tty_insert_flip_char(&info->port, 0, TTY_OVERRUN);
}
}
else if (status & BIT0)
stat = TTY_FRAME;
}
- if (tty) {
- tty_insert_flip_char(tty, ch, stat);
- chars++;
- }
+ tty_insert_flip_char(&info->port, ch, stat);
+ chars++;
}
if (i < count) {
if (info->port.tty) {
if (!(status & info->ignore_status_mask)) {
if (info->read_status_mask & MASK_BREAK) {
- tty_insert_flip_char(info->port.tty, 0, TTY_BREAK);
+ tty_insert_flip_char(&info->port, 0, TTY_BREAK);
if (info->port.flags & ASYNC_SAK)
do_SAK(info->port.tty);
}
/* process break detection if tty control
* is not set to ignore it
*/
- if ( tty ) {
- if (!(status & info->ignore_status_mask1)) {
- if (info->read_status_mask1 & BRKD) {
- tty_insert_flip_char(tty, 0, TTY_BREAK);
- if (info->port.flags & ASYNC_SAK)
- do_SAK(tty);
- }
+ if (!(status & info->ignore_status_mask1)) {
+ if (info->read_status_mask1 & BRKD) {
+ tty_insert_flip_char(&info->port, 0, TTY_BREAK);
+ if (tty && (info->port.flags & ASYNC_SAK))
+ do_SAK(tty);
}
}
}
status &= info->read_status_mask2;
- if ( tty ) {
- if (status & PE)
- flag = TTY_PARITY;
- else if (status & FRME)
- flag = TTY_FRAME;
- if (status & OVRN) {
- /* Overrun is special, since it's
- * reported immediately, and doesn't
- * affect the current character
- */
- over = true;
- }
+ if (status & PE)
+ flag = TTY_PARITY;
+ else if (status & FRME)
+ flag = TTY_FRAME;
+ if (status & OVRN) {
+ /* Overrun is special, since it's
+ * reported immediately, and doesn't
+ * affect the current character
+ */
+ over = true;
}
} /* end of if (error) */
- if ( tty ) {
- tty_insert_flip_char(tty, DataByte, flag);
- if (over)
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
- }
+ tty_insert_flip_char(&info->port, DataByte, flag);
+ if (over)
+ tty_insert_flip_char(&info->port, 0, TTY_OVERRUN);
}
if ( debug_level >= DEBUG_LEVEL_ISR ) {
{
struct tty_struct *tty = vc->port.tty;
+ tty_insert_flip_char(&vc->port, ch, 0);
if (tty) {
- tty_insert_flip_char(tty, ch, 0);
tty_schedule_flip(tty);
}
}
return;
while (*cp) {
- tty_insert_flip_char(tty, *cp, 0);
+ tty_insert_flip_char(&vc->port, *cp, 0);
cp++;
}
tty_schedule_flip(tty);
if (!tty)
return;
- tty_insert_flip_char(tty, 0, TTY_BREAK);
+ tty_insert_flip_char(&vc->port, 0, TTY_BREAK);
tty_schedule_flip(tty);
}
static void respond_string(const char *p, struct tty_struct *tty)
{
while (*p) {
- tty_insert_flip_char(tty, *p, 0);
+ tty_insert_flip_char(tty->port, *p, 0);
p++;
}
tty_schedule_flip(tty);
/* overrun is special, not associated with a char */
if (lsr & UART_LSR_OE)
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
}
tty_insert_flip_string_fixed_flag(&port->port, data, tty_flag,
urb->actual_length);
/* Overrun is special, not associated with a char. */
if (status & BELKIN_SA_LSR_OE)
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
}
tty_insert_flip_string_fixed_flag(&port->port, data, tty_flag,
/* overrun is special, not associated with a char */
if (port_status & DIGI_OVERRUN_ERROR)
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
/* break takes precedence over parity, */
/* which takes precedence over framing errors */
/* overrun is special, not associated with a char */
if (line_status & UART_OVERRUN_ERROR)
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
if (port->port.console && port->sysrq) {
for (i = 0; i < urb->actual_length; ++i)
if (!usb_serial_handle_sysrq_char(port, data[i]))
- tty_insert_flip_char(tty, data[i], tty_flag);
+ tty_insert_flip_char(&port->port, data[i],
+ tty_flag);
} else {
tty_insert_flip_string_fixed_flag(&port->port, data, tty_flag,
urb->actual_length);
#define FTDI_RS_ERR_MASK (FTDI_RS_BI | FTDI_RS_PE | FTDI_RS_FE | FTDI_RS_OE)
-static int ftdi_process_packet(struct tty_struct *tty,
- struct usb_serial_port *port, struct ftdi_private *priv,
- char *packet, int len)
+static int ftdi_process_packet(struct usb_serial_port *port,
+ struct ftdi_private *priv, char *packet, int len)
{
int i;
char status;
/* Overrun is special, not associated with a char */
if (packet[1] & FTDI_RS_OE) {
priv->icount.overrun++;
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
}
}
if (port->port.console && port->sysrq) {
for (i = 0; i < len; i++, ch++) {
if (!usb_serial_handle_sysrq_char(port, *ch))
- tty_insert_flip_char(tty, *ch, flag);
+ tty_insert_flip_char(&port->port, *ch, flag);
}
} else {
tty_insert_flip_string_fixed_flag(&port->port, ch, flag, len);
for (i = 0; i < urb->actual_length; i += priv->max_packet_size) {
len = min_t(int, urb->actual_length - i, priv->max_packet_size);
- count += ftdi_process_packet(tty, port, priv, &data[i], len);
+ count += ftdi_process_packet(port, priv, &data[i], len);
}
if (count)
else {
for (i = 0; i < urb->actual_length; i++, ch++) {
if (!usb_serial_handle_sysrq_char(port, *ch))
- tty_insert_flip_char(tty, *ch, TTY_NORMAL);
+ tty_insert_flip_char(&port->port, *ch, TTY_NORMAL);
}
}
tty_flip_buffer_push(tty);
else
err = 0;
for (i = 1; i < urb->actual_length ; ++i)
- tty_insert_flip_char(tty, data[i], err);
+ tty_insert_flip_char(&port->port, data[i], err);
} else {
/* some bytes had errors, every byte has status */
dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__);
if (stat & RXERROR_PARITY)
flag |= TTY_PARITY;
/* XXX should handle break (0x10) */
- tty_insert_flip_char(tty, data[i+1], flag);
+ tty_insert_flip_char(&port->port, data[i+1],
+ flag);
}
}
tty_flip_buffer_push(tty);
if (stat & RXERROR_PARITY)
flag |= TTY_PARITY;
/* XXX should handle break (0x10) */
- tty_insert_flip_char(tty, data[i+1], flag);
+ tty_insert_flip_char(&port->port, data[i+1],
+ flag);
}
}
tty_flip_buffer_push(tty);
/* no error on any byte */
i++;
for (x = 1; x < len ; ++x)
- tty_insert_flip_char(tty, data[i++], 0);
+ tty_insert_flip_char(&port->port,
+ data[i++], 0);
} else {
/*
* some bytes had errors, every byte has status
if (stat & RXERROR_PARITY)
flag |= TTY_PARITY;
/* XXX should handle break (0x10) */
- tty_insert_flip_char(tty,
+ tty_insert_flip_char(&port->port,
data[i+1], flag);
i += 2;
}
else
err = 0;
for (i = 1; i < urb->actual_length ; ++i)
- tty_insert_flip_char(tty, data[i],
- err);
+ tty_insert_flip_char(&port->port,
+ data[i], err);
} else {
/* some bytes had errors, every byte has status */
dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__);
if (stat & RXERROR_PARITY)
flag |= TTY_PARITY;
/* XXX should handle break (0x10) */
- tty_insert_flip_char(tty, data[i+1],
- flag);
+ tty_insert_flip_char(&port->port,
+ data[i+1], flag);
}
}
}
/* overrun is special, not associated with a char */
if (line_status & UART_OVERRUN_ERROR)
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
if (port->port.console && port->sysrq) {
for (i = 0; i < urb->actual_length; ++i)
if (!usb_serial_handle_sysrq_char(port, data[i]))
- tty_insert_flip_char(tty, data[i], tty_flag);
+ tty_insert_flip_char(&port->port, data[i],
+ tty_flag);
} else {
tty_insert_flip_string_fixed_flag(&port->port, data, tty_flag,
urb->actual_length);
/* overrun is special, not associated with a char */
if (status & UART_OVERRUN_ERROR)
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
if (status & UART_DCD)
usb_serial_handle_dcd_change(port, tty,
}
-static int ssu100_process_packet(struct urb *urb,
- struct tty_struct *tty)
+static int ssu100_process_packet(struct urb *urb)
{
struct usb_serial_port *port = urb->context;
char *packet = (char *)urb->transfer_buffer;
if (packet[2] == 0x00) {
ssu100_update_lsr(port, packet[3], &flag);
if (flag == TTY_OVERRUN)
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(&port->port, 0,
+ TTY_OVERRUN);
}
if (packet[2] == 0x01)
ssu100_update_msr(port, packet[3]);
if (port->port.console && port->sysrq) {
for (i = 0; i < len; i++, ch++) {
if (!usb_serial_handle_sysrq_char(port, *ch))
- tty_insert_flip_char(tty, *ch, flag);
+ tty_insert_flip_char(&port->port, *ch, flag);
}
} else
tty_insert_flip_string_fixed_flag(&port->port, ch, flag, len);
if (!tty)
return;
- count = ssu100_process_packet(urb, tty);
+ count = ssu100_process_packet(urb);
if (count)
tty_flip_buffer_push(tty);
unsigned char **chars, char **flags, size_t size);
void tty_schedule_flip(struct tty_struct *tty);
-static inline int tty_insert_flip_char(struct tty_struct *tty,
+static inline int tty_insert_flip_char(struct tty_port *port,
unsigned char ch, char flag)
{
- struct tty_buffer *tb = tty->port->buf.tail;
+ struct tty_buffer *tb = port->buf.tail;
if (tb && tb->used < tb->size) {
tb->flag_buf_ptr[tb->used] = flag;
tb->char_buf_ptr[tb->used++] = ch;
return 1;
}
- return tty_insert_flip_string_flags(tty->port, &ch, &flag, 1);
+ return tty_insert_flip_string_flags(port, &ch, &flag, 1);
}
static inline int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars, size_t size)
projects / platform / kernel / linux-rpi.git / commitdiff