platforms/pseries/event_sources.c

0001 // SPDX-License-Identifier: GPL-2.0-or-later
0002 /*
0003  * Copyright (C) 2001 Dave Engebretsen IBM Corporation
0004  */
0005
0006 #include <linux/interrupt.h>
0007 #include <linux/of_irq.h>
0008
0009 #include "pseries.h"
0010
0011 void __init request_event_sources_irqs(struct device_node *np,
0012                 irq_handler_t handler,
0013                 const char *name)
0014 {
0015     int i, virq, rc;
0016
0017     for (i = 0; i < 16; i++) {
0018         virq = of_irq_get(np, i);
0019         if (virq < 0)
0020             return;
0021         if (WARN(!virq, "event-sources: Unable to allocate "
0022                     "interrupt number for %pOF\n", np))
0023             continue;
0024
0025         rc = request_irq(virq, handler, 0, name, NULL);
0026         if (WARN(rc, "event-sources: Unable to request interrupt %d for %pOF\n",
0027             virq, np))
0028             return;
0029     }
0030 }