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path: root/drivers/char/amiserial.c
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Diffstat (limited to 'drivers/char/amiserial.c')
-rw-r--r--drivers/char/amiserial.c33
1 files changed, 13 insertions, 20 deletions
diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c
index 10c81ecdace..869518e4035 100644
--- a/drivers/char/amiserial.c
+++ b/drivers/char/amiserial.c
@@ -265,8 +265,9 @@ static _INLINE_ void receive_chars(struct async_struct *info)
int status;
int serdatr;
struct tty_struct *tty = info->tty;
- unsigned char ch;
+ unsigned char ch, flag;
struct async_icount *icount;
+ int oe = 0;
icount = &info->state->icount;
@@ -282,15 +283,12 @@ static _INLINE_ void receive_chars(struct async_struct *info)
status |= UART_LSR_OE;
ch = serdatr & 0xff;
- if (tty->flip.count >= TTY_FLIPBUF_SIZE)
- goto ignore_char;
- *tty->flip.char_buf_ptr = ch;
icount->rx++;
#ifdef SERIAL_DEBUG_INTR
printk("DR%02x:%02x...", ch, status);
#endif
- *tty->flip.flag_buf_ptr = 0;
+ flag = TTY_NORMAL;
/*
* We don't handle parity or frame errors - but I have left
@@ -319,7 +317,7 @@ static _INLINE_ void receive_chars(struct async_struct *info)
* should be ignored.
*/
if (status & info->ignore_status_mask)
- goto ignore_char;
+ goto out;
status &= info->read_status_mask;
@@ -327,33 +325,28 @@ static _INLINE_ void receive_chars(struct async_struct *info)
#ifdef SERIAL_DEBUG_INTR
printk("handling break....");
#endif
- *tty->flip.flag_buf_ptr = TTY_BREAK;
+ flag = TTY_BREAK;
if (info->flags & ASYNC_SAK)
do_SAK(tty);
} 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 (status & UART_LSR_OE) {
/*
* Overrun is special, since it's
* reported immediately, and doesn't
* affect the current character
*/
- if (tty->flip.count < TTY_FLIPBUF_SIZE) {
- tty->flip.count++;
- tty->flip.flag_buf_ptr++;
- tty->flip.char_buf_ptr++;
- *tty->flip.flag_buf_ptr = TTY_OVERRUN;
- }
+ oe = 1;
}
}
- tty->flip.flag_buf_ptr++;
- tty->flip.char_buf_ptr++;
- tty->flip.count++;
- ignore_char:
-
+ tty_insert_flip_char(tty, ch, flag);
+ if (oe == 1)
+ tty_insert_flip_char(tty, 0, TTY_OVERRUN);
tty_flip_buffer_push(tty);
+out:
+ return;
}
static _INLINE_ void transmit_chars(struct async_struct *info)