From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christian Hildner <christian.hildner@hob.de>
Date: Fri, 22 Oct 2004 13:06:41 +0000
Subject: Re: request_irq() and setup_irq()
Message-Id: <417905E1.4070404@hob.de>
List-Id: <linux-ia64.vger.kernel.org>
References: <4177D1A4.1040009@hob.de>
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To: linux-ia64@vger.kernel.org

Tian, Kevin schrieb:

>
>ACPI can provide MADT table for lsapic and iosapic info in local system.
>From that table, linux will configure interrupt controller info for each
>interrupt line when bootup. You can look at iosapic_init(), which
>constructs per-line info related to iosapic. Say, by trigger mode of
>specific line, register_intr() will decide whether irq_type_iosapic_edge
>or irq_type_iosapic_level should be used. 
>
Kevin,
thanks for your good pointers. Indeed iosapic_init() and register_intr() 
are the choice since they install a handler as needed. But before I had 
to walk through the hell of acpi.

Thanks a lot

Christian