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Date: Thu, 30 Nov 2006 14:26:28 -0600
From: Scott Wood <scottwood@freescale.com>
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To: Leonid <Leonid@a-k-a.net>
Subject: Re: 2 PCI devices behind PCI bridge on Yosemite board.
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Cc: Balajee Premraj <balajee@a-k-a.net>, linuxppc-embedded@ozlabs.org
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Leonid wrote:
> On Dreamchip board itself I couldn't find how to mask the interrupt, but
> I'll search more. Can you recommend example for "real" IRQ handler for
> Dreamchip? I just don't what the system crash.

The IRQ handler must clear whatever event triggered the interrupt.

> BTW, what will happen if
> Dreamchip and Silicon Image will assert interrupt simultaneously?

Nothing special.  Both handlers run every time either device interrupts; 
if they both have events pending, then both handlers handle them.

-Scott