2 * Copyright (C) 2001 Dave Engebretsen IBM Corporation
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 void request_event_sources_irqs(struct device_node *np,
24 irq_handler_t handler,
27 int i, index, count = 0;
30 unsigned int opicplen;
31 unsigned int virqs[16];
33 /* Check for obsolete "open-pic-interrupt" property. If present, then
34 * map those interrupts using the default interrupt host and default
37 opicprop = of_get_property(np, "open-pic-interrupt", &opicplen);
39 opicplen /= sizeof(u32);
40 for (i = 0; i < opicplen; i++) {
43 virqs[count] = irq_create_mapping(NULL, *(opicprop++));
44 if (virqs[count] == NO_IRQ)
45 printk(KERN_ERR "Unable to allocate interrupt "
46 "number for %s\n", np->full_name);
52 /* Else use normal interrupt tree parsing */
54 /* First try to do a proper OF tree parsing */
55 for (index = 0; of_irq_map_one(np, index, &oirq) == 0;
59 virqs[count] = irq_create_of_mapping(oirq.controller,
62 if (virqs[count] == NO_IRQ)
63 printk(KERN_ERR "Unable to allocate interrupt "
64 "number for %s\n", np->full_name);
70 /* Now request them */
71 for (i = 0; i < count; i++) {
72 if (request_irq(virqs[i], handler, 0, name, NULL)) {
73 printk(KERN_ERR "Unable to request interrupt %d for "
74 "%s\n", virqs[i], np->full_name);