From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Tue, 22 Feb 2011 21:21:51 +0100
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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Subject: Re: [Adeos-main] Interrupt handling problem on Compulab EM-X270.
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To: Nazarov Sergey <s-nazarov@domain.hid>
Cc: adeos-main@gna.org

Nazarov Sergey wrote:
> Hi! I'm trying to use i-pipe 1.18-01 on ARM XScale-PXA270 based
> Compulab EM-X270 board. Kernel version is 2.6.33. With kernel,
> patched by i-pipe patch, network controller Davicom DM9000 standing
> unstable: sometimes a lot of packets are losing. This happens with
> CONFIG_IPIPE disabled even. The reason is lost interrupts, I see.
> Network controller uses GPIO line to produce interrupts. I have found
> that i-pipe patch changing irq handler handle_irq_edge to
> handle_irq_level (arch/arm/plat-pxa/gpio.c: pxa_init_gpio) without
> any conditions. What's the reason for that changing? The back change
> to edge-type handler returns network controller to stable state. Best
> regards, Sergey.

Does it work with CONFIG_IPIPE enabled?

-- 
                                                                Gilles.