162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-only 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Copyright (C) 2010 ARM Ltd. 462306a36Sopenharmony_ci * Written by Catalin Marinas <catalin.marinas@arm.com> 562306a36Sopenharmony_ci */ 662306a36Sopenharmony_ci#include <linux/bug.h> 762306a36Sopenharmony_ci#include <linux/smp.h> 862306a36Sopenharmony_ci#include <asm/outercache.h> 962306a36Sopenharmony_ci 1062306a36Sopenharmony_civoid outer_disable(void) 1162306a36Sopenharmony_ci{ 1262306a36Sopenharmony_ci WARN_ON(!irqs_disabled()); 1362306a36Sopenharmony_ci WARN_ON(num_online_cpus() > 1); 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_ci if (outer_cache.disable) 1662306a36Sopenharmony_ci outer_cache.disable(); 1762306a36Sopenharmony_ci} 18