arch/powerpc/platforms/pseries/event_sources.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright (C) 2001 Dave Engebretsen IBM Corporation
   4  */
   5
   6 #include <linux/interrupt.h>
   7 #include <linux/of_irq.h>
   8
   9 #include "pseries.h"
  10
  11 void request_event_sources_irqs(struct device_node *np,
  12                                 irq_handler_t handler,
  13                                 const char *name)
  14 {
  15         int i, virq, rc;
  16
  17         for (i = 0; i < 16; i++) {
  18                 virq = of_irq_get(np, i);
  19                 if (virq < 0)
  20                         return;
  21                 if (WARN(!virq, "event-sources: Unable to allocate "
  22                                 "interrupt number for %pOF\n", np))
  23                         continue;
  24
  25                 rc = request_irq(virq, handler, 0, name, NULL);
  26                 if (WARN(rc, "event-sources: Unable to request interrupt %d for %pOF\n",
  27                     virq, np))
  28                         return;
  29         }
  30 }