-/*****************************************************************************
- * mos7840_get_bytes_avail - get number of bytes available
- *
- * Purpose: Let user call ioctl to get the count of number of bytes available.
- *****************************************************************************/
-
-static int mos7840_get_bytes_avail(struct moschip_port *mos7840_port,
- unsigned int __user *value)
-{
- unsigned int result = 0;
- struct tty_struct *tty = mos7840_port->port->tty;
-
- if (!tty)
- return -ENOIOCTLCMD;
-
- result = tty->read_cnt;
-
- dbg("%s(%d) = %d", __FUNCTION__, mos7840_port->port->number, result);
- if (copy_to_user(value, &result, sizeof(int)))
- return -EFAULT;
-
- return -ENOIOCTLCMD;
-}
-