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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=

  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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