1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Copyright (C) 2009 Becky Bruce, Freescale Semiconductor 4 */ 5 6 #ifndef __ASM_SWIOTLB_H 7 #define __ASM_SWIOTLB_H 8 9 #include <linux/swiotlb.h> 10 11 extern unsigned int ppc_swiotlb_enable; 12 extern unsigned int ppc_swiotlb_flags; 13 14 #ifdef CONFIG_SWIOTLB 15 void swiotlb_detect_4g(void); 16 #else swiotlb_detect_4g(void)17static inline void swiotlb_detect_4g(void) {} 18 #endif 19 20 #endif /* __ASM_SWIOTLB_H */ 21