| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | #include <linux/config.h> |
| 15 | |
| 16 | #ifdef CONFIG_CPU_HAS_WB |
| 17 | |
| 18 | extern void (*__wbflush)(void); |
| 19 | extern void wbflush_setup(void); |
| 20 | |
| 21 | #define wbflush() \ |
| 22 | do { \ |
| 23 | __sync(); \ |
| 24 | __wbflush(); \ |
| 25 | } while (0) |
| 26 | |
| 27 | #else /* !CONFIG_CPU_HAS_WB */ |
| 28 | |
| 29 | #define wbflush_setup() do { } while (0) |
| 30 | |
| 31 | #define wbflush() fast_iob() |
| 32 | |
| 33 | #endif /* !CONFIG_CPU_HAS_WB */ |
| 34 | |
| 35 | #endif /* _ASM_WBFLUSH_H */ |