treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
[sfrench/cifs-2.6.git] / arch / arm / mm / l2c-common.c
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (C) 2010 ARM Ltd.
4  * Written by Catalin Marinas <catalin.marinas@arm.com>
5  */
6 #include <linux/bug.h>
7 #include <linux/smp.h>
8 #include <asm/outercache.h>
9
10 void outer_disable(void)
11 {
12         WARN_ON(!irqs_disabled());
13         WARN_ON(num_online_cpus() > 1);
14
15         if (outer_cache.disable)
16                 outer_cache.disable();
17 }