From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Stephen Hemminger <shemminger@osdl.org>
Cc: Linus Torvalds <torvalds@osdl.org>, linux-kernel@vger.kernel.org
Subject: Re: [RFC 1/2] irq: record edge-level setting
Date: Mon, 24 Apr 2006 22:49:54 +0100 [thread overview]
Message-ID: <1145915394.1635.57.camel@localhost.localdomain> (raw)
In-Reply-To: <20060424142243.519d61f1@localhost.localdomain>
On Llu, 2006-04-24 at 14:22 -0700, Stephen Hemminger wrote:
> Record the level vs edge-triggered status of IRQ to allow for error checks later.
>
> Note: this is only done fir i386/x86_64.
This doesn't work for IRQ's routed via the EISA IRQ routing or for MCA
that I can see. It also seems to assume the chip state at boot is right.
For EISA you need to real the EISA irq register to see what is level and
what is edge (and work out what is EISA), for MCA it is board dependant.
next prev parent reply other threads:[~2006-04-24 21:39 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-24 18:41 better leve triggered IRQ management needed Stephen Hemminger
2006-04-24 18:59 ` linux-os (Dick Johnson)
2006-04-24 19:02 ` Linus Torvalds
2006-04-24 19:08 ` Linus Torvalds
2006-04-24 19:53 ` Arjan van de Ven
2006-04-24 20:16 ` Alan Cox
2006-04-24 20:43 ` Arjan van de Ven
2006-04-24 21:07 ` Linus Torvalds
2006-04-24 21:20 ` Alan Cox
2006-04-24 22:26 ` Linus Torvalds
2006-04-24 21:22 ` [RFC 1/2] irq: record edge-level setting Stephen Hemminger
2006-04-24 21:49 ` Alan Cox [this message]
2006-04-24 21:41 ` Stephen Hemminger
2006-04-24 22:34 ` Linus Torvalds
2006-04-24 22:58 ` Stephen Hemminger
[not found] ` <20060424141926.3872f921@localhost.localdomain>
2006-04-24 21:22 ` [RFC 2/2] warn on shared edge-triggered irq Stephen Hemminger
2006-04-25 15:23 ` better leve triggered IRQ management needed Michael Buesch
2006-04-24 19:15 ` Russell King
2006-04-24 20:18 ` Linus Torvalds
2006-04-24 19:25 ` Stephen Hemminger
2006-04-24 19:35 ` linux-os (Dick Johnson)
2006-04-24 20:19 ` Linus Torvalds
2006-04-24 20:50 ` linux-os (Dick Johnson)
2006-04-24 21:09 ` Linus Torvalds
2006-04-29 21:25 ` Alan Cox
2006-04-29 21:58 ` Linus Torvalds
2006-04-30 4:48 ` Neil Brown
2006-04-30 5:19 ` Linus Torvalds
2006-04-30 6:13 ` Neil Brown
2006-04-30 6:59 ` Linus Torvalds
2006-05-02 5:10 ` Neil Brown
2006-05-02 15:05 ` Linus Torvalds
2006-04-30 7:36 ` Arjan van de Ven
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