diff options
Diffstat (limited to 'drivers/serial/ip22zilog.c')
-rw-r--r-- | drivers/serial/ip22zilog.c | 34 |
1 files changed, 10 insertions, 24 deletions
diff --git a/drivers/serial/ip22zilog.c b/drivers/serial/ip22zilog.c index ef132349f310..66f117d15065 100644 --- a/drivers/serial/ip22zilog.c +++ b/drivers/serial/ip22zilog.c @@ -259,13 +259,7 @@ static void ip22zilog_receive_chars(struct uart_ip22zilog_port *up, struct tty_struct *tty = up->port.info->tty; /* XXX info==NULL? */ while (1) { - unsigned char ch, r1; - - if (unlikely(tty->flip.count >= TTY_FLIPBUF_SIZE)) { - tty->flip.work.func((void *)tty); - if (tty->flip.count >= TTY_FLIPBUF_SIZE) - return; /* XXX Ignores SysRq when we need it most. Fix. */ - } + unsigned char ch, r1, flag; r1 = read_zsreg(channel, R1); if (r1 & (PAR_ERR | Rx_OVR | CRC_ERR)) { @@ -303,8 +297,7 @@ static void ip22zilog_receive_chars(struct uart_ip22zilog_port *up, } /* A real serial line, record the character and status. */ - *tty->flip.char_buf_ptr = ch; - *tty->flip.flag_buf_ptr = TTY_NORMAL; + flag = TTY_NORMAL; up->port.icount.rx++; if (r1 & (BRK_ABRT | PAR_ERR | Rx_OVR | CRC_ERR)) { if (r1 & BRK_ABRT) { @@ -321,28 +314,21 @@ static void ip22zilog_receive_chars(struct uart_ip22zilog_port *up, up->port.icount.overrun++; r1 &= up->port.read_status_mask; if (r1 & BRK_ABRT) - *tty->flip.flag_buf_ptr = TTY_BREAK; + flag = TTY_BREAK; else if (r1 & PAR_ERR) - *tty->flip.flag_buf_ptr = TTY_PARITY; + flag = TTY_PARITY; else if (r1 & CRC_ERR) - *tty->flip.flag_buf_ptr = TTY_FRAME; + flag = TTY_FRAME; } if (uart_handle_sysrq_char(&up->port, ch, regs)) goto next_char; if (up->port.ignore_status_mask == 0xff || - (r1 & up->port.ignore_status_mask) == 0) { - tty->flip.flag_buf_ptr++; - tty->flip.char_buf_ptr++; - tty->flip.count++; - } - if ((r1 & Rx_OVR) && - tty->flip.count < TTY_FLIPBUF_SIZE) { - *tty->flip.flag_buf_ptr = TTY_OVERRUN; - tty->flip.flag_buf_ptr++; - tty->flip.char_buf_ptr++; - tty->flip.count++; - } + (r1 & up->port.ignore_status_mask) == 0) + tty_insert_flip_char(tty, ch, flag); + + if (r1 & Rx_OVR) + tty_insert_flip_char(tty, 0, TTY_OVERRUN); next_char: ch = readb(&channel->control); ZSDELAY(); |