Re: request_irq() and setup_irq()

From: Christian Hildner <>
Date: 2004-10-22 23:06:41
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. 
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


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Received on Fri Oct 22 09:22:55 2004

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