linux-kernel - Re: Does it need to implement irq_set_type method in the ioapic

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Message-ID: <5304DDD7.9070009@zytor.com>
Date:	Wed, 19 Feb 2014 08:37:43 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	carl peng <carlpeng008@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>
CC:	mingo@...hat.com, x86@...nel.org, pingfank@...ux.vnet.ibm.com,
	yoshihiro.yunomae.ez@...achi.com, linux-kernel@...r.kernel.org
Subject: Re: Does it need to implement irq_set_type method in the ioapic_chip?

On 02/18/2014 06:32 PM, carl peng wrote:
> 1) This device is a ACPI device, the hardware engineer designed it as
> falling edge interrupt trigger
> mode, does it need to re-work the hardware and modify it as rising
> edge trigger mode to suit the
> Linux APIC driver architecture?

Could you share what the ACPI description of your device looks like?

	-hpa


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