xref: /OK3568_Linux_fs/kernel/arch/powerpc/include/asm/swiotlb.h (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright (C) 2009 Becky Bruce, Freescale Semiconductor
4*4882a593Smuzhiyun  */
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #ifndef __ASM_SWIOTLB_H
7*4882a593Smuzhiyun #define __ASM_SWIOTLB_H
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #include <linux/swiotlb.h>
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun extern unsigned int ppc_swiotlb_enable;
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun #ifdef CONFIG_SWIOTLB
14*4882a593Smuzhiyun void swiotlb_detect_4g(void);
15*4882a593Smuzhiyun #else
swiotlb_detect_4g(void)16*4882a593Smuzhiyun static inline void swiotlb_detect_4g(void) {}
17*4882a593Smuzhiyun #endif
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun #endif /* __ASM_SWIOTLB_H */
20