parport_read
retval = parport_read(port, kbuf, count);
bytes_read = parport_read(pport, kbuffer, need);
EXPORT_SYMBOL(parport_read);
retval = parport_read (port, length, 2);
retval = parport_read (port, buffer+len, idlen-len);
retval = parport_read (port, buffer+len, count-len-1);
retval = parport_read (port, tmp,
extern ssize_t parport_read (struct parport *, void *buf, size_t len);