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Viewing changes to arch/unicore32/mm/dma-swiotlb.c

  • Committer: Package Import Robot
  • Author(s): Tim Gardner
  • Date: 2013-10-09 13:31:18 UTC
  • Revision ID: package-import@ubuntu.com-20131009133118-l5q5o2hmtz96hefq
Tags: upstream-3.11.0
Import upstream version 3.11.0

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arch/unicore32/mm/dma-swiotlb.c
 
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/*
 
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 * Contains routines needed to support swiotlb for UniCore32.
 
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 *
 
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 * Copyright (C) 2010 Guan Xuetao
 
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 *
 
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 * This program is free software; you can redistribute  it and/or modify it
 
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 * under  the terms of  the GNU General  Public License as published by the
 
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 * Free Software Foundation;  either version 2 of the  License, or (at your
 
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 * option) any later version.
 
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 */
 
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#include <linux/pci.h>
 
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#include <linux/cache.h>
 
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#include <linux/module.h>
 
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#include <linux/dma-mapping.h>
 
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#include <linux/swiotlb.h>
 
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#include <linux/bootmem.h>
 
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#include <asm/dma.h>
 
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static void *unicore_swiotlb_alloc_coherent(struct device *dev, size_t size,
 
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                                            dma_addr_t *dma_handle, gfp_t flags,
 
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                                            struct dma_attrs *attrs)
 
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{
 
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        return swiotlb_alloc_coherent(dev, size, dma_handle, flags);
 
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}
 
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static void unicore_swiotlb_free_coherent(struct device *dev, size_t size,
 
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                                          void *vaddr, dma_addr_t dma_addr,
 
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                                          struct dma_attrs *attrs)
 
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{
 
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        swiotlb_free_coherent(dev, size, vaddr, dma_addr);
 
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}
 
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struct dma_map_ops swiotlb_dma_map_ops = {
 
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        .alloc = unicore_swiotlb_alloc_coherent,
 
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        .free = unicore_swiotlb_free_coherent,
 
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        .map_sg = swiotlb_map_sg_attrs,
 
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        .unmap_sg = swiotlb_unmap_sg_attrs,
 
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        .dma_supported = swiotlb_dma_supported,
 
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        .map_page = swiotlb_map_page,
 
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        .unmap_page = swiotlb_unmap_page,
 
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        .sync_single_for_cpu = swiotlb_sync_single_for_cpu,
 
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        .sync_single_for_device = swiotlb_sync_single_for_device,
 
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        .sync_sg_for_cpu = swiotlb_sync_sg_for_cpu,
 
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        .sync_sg_for_device = swiotlb_sync_sg_for_device,
 
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        .mapping_error = swiotlb_dma_mapping_error,
 
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};
 
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EXPORT_SYMBOL(swiotlb_dma_map_ops);