1 files changed, 57 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/event_sources.c b/arch/powerpc/platforms/pseries/event_sources.c
new file mode 100644
index 000000000..6eeb0d4ba
--- /dev/null
+++ b/arch/powerpc/platforms/pseries/event_sources.c
@@ -0,0 +1,57 @@
+/*
+ * 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 <asm/prom.h>
+
+#include "pseries.h"
+
+void request_event_sources_irqs(struct device_node *np,
+				irq_handler_t handler,
+				const char *name)
+{
+	int i, index, count = 0;
+	struct of_phandle_args oirq;
+	unsigned int virqs[16];
+
+	/* First try to do a proper OF tree parsing */
+	for (index = 0; of_irq_parse_one(np, index, &oirq) == 0;
+	     index++) {
+		if (count > 15)
+			break;
+		virqs[count] = irq_create_of_mapping(&oirq);
+		if (!virqs[count]) {
+			pr_err("event-sources: Unable to allocate "
+			       "interrupt number for %pOF\n",
+			       np);
+			WARN_ON(1);
+		} else {
+			count++;
+		}
+	}
+
+	/* Now request them */
+	for (i = 0; i < count; i++) {
+		if (request_irq(virqs[i], handler, 0, name, NULL)) {
+			pr_err("event-sources: Unable to request interrupt "
+			       "%d for %pOF\n", virqs[i], np);
+			WARN_ON(1);
+			return;
+		}
+	}
+}
+