> > Use tty_termios_copy_hw() to copy the old termios hardware settings back > > so that the caller sees it cannot set them. > > Would the following be sufficient? > > if (old) > tty_termios_copy_hw(termios, old); That will do the trick yes. > spin_lock(&port->lock); > > if (isr & ALTERA_JTAGUART_CONTROL_RE_MSK) > altera_jtaguart_rx_chars(pp); > if (isr & ALTERA_JTAGUART_CONTROL_WE_MSK) > altera_jtaguart_tx_chars(pp); > > spin_unlock(&port->lock); Yes - that stops ->tty becoming NULL while your handler is running Alan -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
