linux_kernel/arch/powerpc/platforms/pseries/event_sources.c

/*
 * Copyright (C) 2001 Dave Engebretsen IBM Corporation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */

#include <linux/interrupt.h>
#include <linux/of_irq.h>

#include "pseries.h"

void request_event_sources_irqs(struct device_node *np,
				irq_handler_t handler,
				const char *name)
{
	int i, virq, rc;

	for (i = 0; i < 16; i++) {
		virq = of_irq_get(np, i);
		if (virq < 0)
			return;
		if (WARN(!virq, "event-sources: Unable to allocate "
			        "interrupt number for %pOF\n", np))
			continue;

		rc = request_irq(virq, handler, 0, name, NULL);
		if (WARN(rc, "event-sources: Unable to request interrupt %d for %pOF\n",
		    virq, np))
			return;
	}
}