From: Tabi Timur-B04825 <B04825@freescale.com>
To: Felix Radensky <felix@embedded-sol.com>
Cc: "linuxppc-dev@ozlabs.org" <linuxppc-dev@ozlabs.org>
Subject: Re: GPIO IRQ on P1022
Date: Sun, 31 Jul 2011 13:59:20 +0000 [thread overview]
Message-ID: <4E355FB7.3030904@freescale.com> (raw)
In-Reply-To: <4E35309E.4000202@embedded-sol.com>
Felix Radensky wrote:
>
> What happens when I load my driver is single execution of interrupt
> handler
> followed by system freeze. Even if I call disable_irq() in interrupt
> handler the
> system still freezes.
I don't know anything about the GPIO layer, but I think you're going to=20
need to debug this a little more. Where exactly is the freeze? Are you=20
sure the interrupt handler is being called only once? Perhaps you're not=20
clearing the interrupt status and your handler is being called repeatedly?
--=20
Timur Tabi
Linux kernel developer at Freescale=
next prev parent reply other threads:[~2011-07-31 13:59 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-31 10:38 GPIO IRQ on P1022 Felix Radensky
2011-07-31 13:59 ` Tabi Timur-B04825 [this message]
2011-07-31 14:56 ` Felix Radensky
2011-08-02 10:47 ` Felix Radensky
2011-07-31 15:19 ` Wolfgang Grandegger
2011-07-31 15:51 ` Felix Radensky
2011-07-31 17:49 ` Wolfgang Grandegger
2011-07-31 19:28 ` Felix Radensky
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