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From: Thomas Gleixner <tglx@linutronix.de>
To: Yann.LEPROVOST@wavecom.fr
Cc: Daniel Walker <dwalker@mvista.com>,
	linux-kernel@vger.kernel.org, linux-kernel-owner@vger.kernel.org,
	Ingo Molnar <mingo@elte.hu>, Steven Rostedt <rostedt@goodmis.org>,
	Esben Nielsen <simlo@phys.au.dk>,
	Sven-Thorsten Dietrich <sven@mvista.com>
Subject: Re: RT_PREEMPT problem with cascaded irqchip
Date: Tue, 30 May 2006 13:22:44 +0200	[thread overview]
Message-ID: <1148988165.20582.19.camel@localhost.localdomain> (raw)
In-Reply-To: <OF7D277146.13CDBC6A-ONC125717E.0039350C-C125717E.0039F142@wavecom.fr>

On Tue, 2006-05-30 at 12:26 +0200, Yann.LEPROVOST@wavecom.fr wrote:
> Of course, here is the file arch/arm/mach-at91rm9200/gpio.c with my
> modified gpio_irq_handler.

>             for (i = 0; i < 32; i++, pin++) {
>                   set_irq_chip(pin, &gpio_irqchip);
>                         printk(KERN_ERR "GPIO SET_IRQ_CHIP\n");
>                   set_irq_handler(pin, do_simple_IRQ);

-----------------------------------------^^^^^^^^^^^^^^^

Care to look into the implementation of this ? As the name says, its
simple. It does no ack/mask whatever. Use the level resp. the edge
handler instead.

	tglx





  reply	other threads:[~2006-05-30 11:22 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-23 13:40 Ingo's realtime_preempt patch causes kernel oops Yann.LEPROVOST
2006-05-23 14:09 ` Steven Rostedt
2006-05-23 14:19 ` Steven Rostedt
2006-05-23 14:26   ` Thomas Gleixner
2006-05-23 15:33   ` Daniel Walker
2006-05-23 16:02     ` Steven Rostedt
2006-05-23 16:27       ` Yann.LEPROVOST
2006-05-23 17:00         ` Steven Rostedt
2006-05-23 17:10           ` Yann.LEPROVOST
2006-05-23 18:21             ` Steven Rostedt
2006-05-24  8:06               ` Yann.LEPROVOST
2006-05-24 12:55                 ` Steven Rostedt
2006-05-24 13:13                   ` Thomas Gleixner
2006-05-24 15:32                     ` Sven-Thorsten Dietrich
2006-05-24 15:52                       ` Steven Rostedt
2006-05-24 16:03                         ` Thomas Gleixner
2006-05-24 16:38                           ` Steven Rostedt
2006-05-24 16:55                             ` Thomas Gleixner
2006-05-24 17:09                               ` Sven-Thorsten Dietrich
2006-05-24 16:06                         ` Daniel Walker
2006-05-24 13:58                   ` Yann.LEPROVOST
2006-05-24 16:43                   ` Esben Nielsen
2006-05-24 17:06                     ` Thomas Gleixner
2006-05-24 18:00                       ` Sven-Thorsten Dietrich
2006-05-30 10:00                         ` RT_PREEMPT problem with cascaded irqchip Yann.LEPROVOST
2006-05-30 10:27                           ` Thomas Gleixner
2006-05-30 10:26                             ` Yann.LEPROVOST
2006-05-30 11:22                               ` Thomas Gleixner [this message]
2006-05-30 14:44                                 ` Yann.LEPROVOST
2006-05-30 23:25                                   ` Thomas Gleixner
2006-05-31  8:26                                     ` Yann.LEPROVOST
2006-05-24 17:30                     ` Ingo's realtime_preempt patch causes kernel oops Sven-Thorsten Dietrich

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