Re: RT_PREEMPT problem with cascaded irqchip
From: Thomas Gleixner
Date: Tue May 30 2006 - 07:21:10 EST
On Tue, 2006-05-30 at 12:26 +0200, Yann.LEPROVOST@xxxxxxxxxx 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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/