diff options
Diffstat (limited to 'drivers/char/hvcs.c')
| -rw-r--r-- | drivers/char/hvcs.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/char/hvcs.c b/drivers/char/hvcs.c index 53dc77c760fc..831eb4e8d9d3 100644 --- a/drivers/char/hvcs.c +++ b/drivers/char/hvcs.c @@ -456,12 +456,11 @@ static int hvcs_io(struct hvcs_struct *hvcsd) /* remove the read masks */ hvcsd->todo_mask &= ~(HVCS_READ_MASK); - if ((tty->flip.count + HVCS_BUFF_LEN) < TTY_FLIPBUF_SIZE) { + if (tty_buffer_request_room(tty, HVCS_BUFF_LEN) >= HVCS_BUFF_LEN) { got = hvc_get_chars(unit_address, &buf[0], HVCS_BUFF_LEN); - for (i=0;got && i<got;i++) - tty_insert_flip_char(tty, buf[i], TTY_NORMAL); + tty_insert_flip_string(tty, buf, got); } /* Give the TTY time to process the data we just sent. */ @@ -469,10 +468,9 @@ static int hvcs_io(struct hvcs_struct *hvcsd) hvcsd->todo_mask |= HVCS_QUICK_READ; spin_unlock_irqrestore(&hvcsd->lock, flags); - if (tty->flip.count) { - /* This is synch because tty->low_latency == 1 */ + /* This is synch because tty->low_latency == 1 */ + if(got) tty_flip_buffer_push(tty); - } if (!got) { /* Do this _after_ the flip_buffer_push */ |