LXR linux/arch/mips/include/asm/wbflush.h

   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
  17extern void (*__wbflush)(void);
  18extern 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