linux-kernel - Re: [PATCH 1/3] ARM: pxa: pxa_cplds: fix interrupt handling

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Date:   Fri, 09 Sep 2016 18:10:46 +0200
From:   Robert Jarzmik <robert.jarzmik@...e.fr>
To:     Robert Jarzmik <robert.jarzmik@...e.fr>,
        Russell King <linux@...linux.org.uk>
Cc:     Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Russell King - ARM Linux <linux@....linux.org.uk>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] ARM: pxa: pxa_cplds: fix interrupt handling

Robert Jarzmik <robert.jarzmik@...e.fr> writes:

> Since its initial commit, the driver is buggy for multiple interrupts
> handling. The translation from the former lubbock.c file was not
> complete, and might stall all interrupt handling when multiple
> interrupts occur.
>
> This is especially true when inside the interrupt handler and if a new
> interrupt comes and is not handled, leaving the output line still held,
> and not creating a transition as the GPIO block behind would expect to
> trigger another cplds_irq_handler() call.
...
Applied to pxa/for-next.

Cheers.

-- 
Robert