On Sunday 10 June 2012, Andrew Lunn wrote:
> +static int __init kirkwood_add_irq_domain(struct device_node *np,
> + struct device_node
> *interrupt_parent)
> +{
> + kirkwood_init_irq();
> + irq_domain_add_legacy(np, 64, 0, 0, &irq_domain_simple_ops, NULL);
> + return 0;
> +}
> +
> +static const struct of_device_id kirkwood_irq_match[] = {
> + { .compatible = "marvell,orion-intc",
> + .data = kirkwood_add_irq_domain, },
> + {},
> +};
> +
> +static void __init kirkwood_dt_init_irq(void)
> +{
> + of_irq_init(kirkwood_irq_match);
> +}
> +
I think if you compute the number of interrupts in the domain from the number of
registers that are described in the device tree, call orion_irq_init()
based on those registers, and use irq domains for the gpio stuff as Rob
suggested,
this init_irq function can become completely generic to all orion platforms.
That is what I tried to do with an earlier patch, which was flawed for other
reasons.
Arnd
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