On 23/02/12 17:48, Stefano Stabellini wrote: > Compile events.c and use IRQ 32 to receive events notifications. > > Signed-off-by: Stefano Stabellini <stefano.stabell...@eu.citrix.com>
> +#ifdef CONFIG_ARM > +#define IRQ_EVTCHN_CALLBACK 63 > +irqreturn_t xen_arm_callback(int irq, void *arg) > +{ > + __xen_evtchn_do_upcall(); > + return 0; > +} > + > +int __init xen_init_IRQ_arm(void) > +{ > + int rc; > + xen_init_IRQ(); > + rc = request_irq(IRQ_EVTCHN_CALLBACK, xen_arm_callback, > + IRQF_DISABLED | IRQF_NOBALANCING | IRQF_TRIGGER_RISING, > + "events", "events"); > + if (rc) { > + printk(KERN_ERR "Error requesting IRQ %d\n", > IRQ_EVTCHN_CALLBACK); > + } > + return rc; > +} > +core_initcall(xen_init_IRQ_arm); > +#endif You should (eventually) have a device tree binding for the event channel and use a OF (device tree) device driver instead of this core_initcall() to register the handler etc. David _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev