On Tue, Apr 21, 2015 at 5:40 PM, Thomas Gleixner <[email protected]> wrote: > No, it's not missing by chance. It's missing on purpose. The edge > handler is designed to deal with edge type interrupt chips and those > have an ACK by definition. > > You are fixing the wrong place. That GPIO expander is using the wrong > flow handler. It should not use the edge handler at all.
Just missed comments for handle_edge_irq() function, explaining why irq_ack is mandatory. So I just need to use handle_level_irq() in expander driver (instead of handle_edge_irq()). Thanks! -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
