2 * Header file for using the wbflush routine
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
8 * Copyright (c) 1998 Harald Koerfgen
9 * Copyright (C) 2002 Maciej W. Rozycki
11 #ifndef _ASM_WBFLUSH_H
12 #define _ASM_WBFLUSH_H
14 #include <linux/config.h>
16 #ifdef CONFIG_CPU_HAS_WB
18 extern void (*__wbflush)(void);
19 extern void wbflush_setup(void);
27 #else /* !CONFIG_CPU_HAS_WB */
29 #define wbflush_setup() do { } while (0)
31 #define wbflush() fast_iob()
33 #endif /* !CONFIG_CPU_HAS_WB */
35 #endif /* _ASM_WBFLUSH_H */