1 /*
2  * Header file for using the wbflush routine
3  *
4  * This file is subject to the terms and conditions of the GNU General Public
5  * License.  See the file "COPYING" in the main directory of this archive
6  * for more details.
7  *
8  * Copyright (c) 1998 Harald Koerfgen
9  * Copyright (C) 2002 Maciej W. Rozycki
10  */
11 #ifndef _ASM_WBFLUSH_H
12 #define _ASM_WBFLUSH_H
13 
14 
15 #ifdef CONFIG_CPU_HAS_WB
16 
17 extern void (*__wbflush)(void);
18 extern void wbflush_setup(void);
19 
20 #define wbflush()			\
21 	do {				\
22 		__sync();		\
23 		__wbflush();		\
24 	} while (0)
25 
26 #else /* !CONFIG_CPU_HAS_WB */
27 
28 #define wbflush_setup() do { } while (0)
29 
30 #define wbflush() fast_iob()
31 
32 #endif /* !CONFIG_CPU_HAS_WB */
33 
34 #endif /* _ASM_WBFLUSH_H */
35