printk(KERN_ERR "simserial: do_softint called\n");
}
-static void rs_put_char(struct tty_struct *tty, unsigned char ch)
+static int rs_put_char(struct tty_struct *tty, unsigned char ch)
{
struct async_struct *info = (struct async_struct *)tty->driver_data;
unsigned long flags;
- if (!tty || !info->xmit.buf) return;
+ if (!tty || !info->xmit.buf)
+ return 0;
local_irq_save(flags);
if (CIRC_SPACE(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE) == 0) {
local_irq_restore(flags);
- return;
+ return 0;
}
info->xmit.buf[info->xmit.head] = ch;
info->xmit.head = (info->xmit.head + 1) & (SERIAL_XMIT_SIZE-1);
local_irq_restore(flags);
+ return 1;
}
static void transmit_chars(struct async_struct *info, int *intr_done)
* the line discipline to only process XON/XOFF characters.
*/
shutdown(info);
- if (tty->driver->flush_buffer) tty->driver->flush_buffer(tty);
+ if (tty->ops->flush_buffer)
+ tty->ops->flush_buffer(tty);
if (tty->ldisc.flush_buffer) tty->ldisc.flush_buffer(tty);
info->event = 0;
info->tty = NULL;