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path: root/drivers/serial/sunsu.c
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Diffstat (limited to 'drivers/serial/sunsu.c')
-rw-r--r--drivers/serial/sunsu.c32
1 files changed, 9 insertions, 23 deletions
diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index f0738533f39a..9a3665b34d97 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -323,19 +323,13 @@ static _INLINE_ struct tty_struct *
receive_chars(struct uart_sunsu_port *up, unsigned char *status, struct pt_regs *regs)
{
struct tty_struct *tty = up->port.info->tty;
- unsigned char ch;
+ unsigned char ch, flag;
int max_count = 256;
int saw_console_brk = 0;
do {
- if (unlikely(tty->flip.count >= TTY_FLIPBUF_SIZE)) {
- tty->flip.work.func((void *)tty);
- if (tty->flip.count >= TTY_FLIPBUF_SIZE)
- return tty; // if TTY_DONT_FLIP is set
- }
ch = serial_inp(up, UART_RX);
- *tty->flip.char_buf_ptr = ch;
- *tty->flip.flag_buf_ptr = TTY_NORMAL;
+ flag = TTY_NORMAL;
up->port.icount.rx++;
if (unlikely(*status & (UART_LSR_BI | UART_LSR_PE |
@@ -377,31 +371,23 @@ receive_chars(struct uart_sunsu_port *up, unsigned char *status, struct pt_regs
}
if (*status & UART_LSR_BI) {
- *tty->flip.flag_buf_ptr = TTY_BREAK;
+ flag = TTY_BREAK;
} else if (*status & UART_LSR_PE)
- *tty->flip.flag_buf_ptr = TTY_PARITY;
+ flag = TTY_PARITY;
else if (*status & UART_LSR_FE)
- *tty->flip.flag_buf_ptr = TTY_FRAME;
+ flag = TTY_FRAME;
}
if (uart_handle_sysrq_char(&up->port, ch, regs))
goto ignore_char;
- if ((*status & up->port.ignore_status_mask) == 0) {
- tty->flip.flag_buf_ptr++;
- tty->flip.char_buf_ptr++;
- tty->flip.count++;
- }
- if ((*status & UART_LSR_OE) &&
- tty->flip.count < TTY_FLIPBUF_SIZE) {
+ if ((*status & up->port.ignore_status_mask) == 0)
+ tty_insert_flip_char(tty, ch, flag);
+ if (*status & UART_LSR_OE)
/*
* Overrun is special, since it's reported
* immediately, and doesn't affect the current
* character.
*/
- *tty->flip.flag_buf_ptr = TTY_OVERRUN;
- tty->flip.flag_buf_ptr++;
- tty->flip.char_buf_ptr++;
- tty->flip.count++;
- }
+ tty_insert_flip_char(tty, 0, TTY_OVERRUN);
ignore_char:
*status = serial_inp(up, UART_LSR);
} while ((*status & UART_LSR_DR) && (max_count-- > 0));