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path: root/drivers/serial/ip22zilog.c
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Diffstat (limited to 'drivers/serial/ip22zilog.c')
-rw-r--r--drivers/serial/ip22zilog.c34
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();