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 13 #ifdef CONFIG_SWIOTLB 14 void swiotlb_detect_4g(void); 15 #else 16 static inline void swiotlb_detect_4g(void) {} 17 #endif 18 19 #endif /* __ASM_SWIOTLB_H */ 20