Messages in this thread | | | Subject | Re: RT_PREEMPT problem with cascaded irqchip | From | Thomas Gleixner <> | Date | Tue, 30 May 2006 13:22:44 +0200 |
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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
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