LXR linux/arch/microblaze/mm/consistent.c

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Microblaze support for cache consistent memory.
   4 * Copyright (C) 2010 Michal Simek <monstr@monstr.eu>
   5 * Copyright (C) 2010 PetaLogix
   6 * Copyright (C) 2005 John Williams <jwilliams@itee.uq.edu.au>
   7 */
   8
   9#include <linux/kernel.h>
  10#include <linux/string.h>
  11#include <linux/types.h>
  12#include <linux/mm.h>
  13#include <linux/init.h>
  14#include <linux/dma-map-ops.h>
  15#include <asm/cpuinfo.h>
  16#include <asm/cacheflush.h>
  17
  18void arch_dma_prep_coherent(struct page *page, size_t size)
  19{
  20        phys_addr_t paddr = page_to_phys(page);
  21
  22        flush_dcache_range(paddr, paddr + size);
  23}
  24