1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Support for Intel Camera Imaging ISP subsystem. 4 * Copyright (c) 2015, Intel Corporation. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms and conditions of the GNU General Public License, 8 * version 2, as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 * more details. 14 */ 15 16 #ifndef __IA_CSS_MMU_H 17 #define __IA_CSS_MMU_H 18 19 /* @file 20 * This file contains one support function for invalidating the CSS MMU cache 21 */ 22 23 /* @brief Invalidate the MMU internal cache. 24 * @return None 25 * 26 * This function triggers an invalidation of the translate-look-aside 27 * buffer (TLB) that's inside the CSS MMU. This function should be called 28 * every time the page tables used by the MMU change. 29 */ 30 void 31 ia_css_mmu_invalidate_cache(void); 32 33 #endif /* __IA_CSS_MMU_H */ 34