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)17 static inline void swiotlb_detect_4g(void) {}
18 #endif
19 
20 #endif /* __ASM_SWIOTLB_H */
21