[PATCH] TTY layer buffering revamp

[pandora-kernel.git] / drivers / char / hvcs.c

diff --git a/drivers/char/hvcs.c b/drivers/char/hvcs.c
index 53dc77c..831eb4e 100644 (file)
--- 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 */