xref: /OK3568_Linux_fs/kernel/arch/powerpc/platforms/pseries/event_sources.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright (C) 2001 Dave Engebretsen IBM Corporation
4*4882a593Smuzhiyun  */
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #include <linux/interrupt.h>
7*4882a593Smuzhiyun #include <linux/of_irq.h>
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #include "pseries.h"
10*4882a593Smuzhiyun 
request_event_sources_irqs(struct device_node * np,irq_handler_t handler,const char * name)11*4882a593Smuzhiyun void request_event_sources_irqs(struct device_node *np,
12*4882a593Smuzhiyun 				irq_handler_t handler,
13*4882a593Smuzhiyun 				const char *name)
14*4882a593Smuzhiyun {
15*4882a593Smuzhiyun 	int i, virq, rc;
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun 	for (i = 0; i < 16; i++) {
18*4882a593Smuzhiyun 		virq = of_irq_get(np, i);
19*4882a593Smuzhiyun 		if (virq < 0)
20*4882a593Smuzhiyun 			return;
21*4882a593Smuzhiyun 		if (WARN(!virq, "event-sources: Unable to allocate "
22*4882a593Smuzhiyun 			        "interrupt number for %pOF\n", np))
23*4882a593Smuzhiyun 			continue;
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun 		rc = request_irq(virq, handler, 0, name, NULL);
26*4882a593Smuzhiyun 		if (WARN(rc, "event-sources: Unable to request interrupt %d for %pOF\n",
27*4882a593Smuzhiyun 		    virq, np))
28*4882a593Smuzhiyun 			return;
29*4882a593Smuzhiyun 	}
30*4882a593Smuzhiyun }
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