https://github.com/torvalds/linux
- HEAD
- refs/heads/arm64-uaccess
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/certifi-2024.7.4
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/idna-3.7
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/requests-2.32.2
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/setuptools-70.0.0
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/urllib3-2.2.2
- refs/heads/master
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Tip revision: 89ca3b881987f5a4be4c5dbaa7f0df12bbdde2fd authored by Linus Torvalds on 05 May 2014, 01:14:42 UTC
Linux 3.15-rc4
Linux 3.15-rc4
Tip revision: 89ca3b8
dma-swiotlb.c
/*
* Contains routines needed to support swiotlb for UniCore32.
*
* Copyright (C) 2010 Guan Xuetao
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#include <linux/pci.h>
#include <linux/cache.h>
#include <linux/module.h>
#include <linux/dma-mapping.h>
#include <linux/swiotlb.h>
#include <linux/bootmem.h>
#include <asm/dma.h>
static void *unicore_swiotlb_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t flags,
struct dma_attrs *attrs)
{
return swiotlb_alloc_coherent(dev, size, dma_handle, flags);
}
static void unicore_swiotlb_free_coherent(struct device *dev, size_t size,
void *vaddr, dma_addr_t dma_addr,
struct dma_attrs *attrs)
{
swiotlb_free_coherent(dev, size, vaddr, dma_addr);
}
struct dma_map_ops swiotlb_dma_map_ops = {
.alloc = unicore_swiotlb_alloc_coherent,
.free = unicore_swiotlb_free_coherent,
.map_sg = swiotlb_map_sg_attrs,
.unmap_sg = swiotlb_unmap_sg_attrs,
.dma_supported = swiotlb_dma_supported,
.map_page = swiotlb_map_page,
.unmap_page = swiotlb_unmap_page,
.sync_single_for_cpu = swiotlb_sync_single_for_cpu,
.sync_single_for_device = swiotlb_sync_single_for_device,
.sync_sg_for_cpu = swiotlb_sync_sg_for_cpu,
.sync_sg_for_device = swiotlb_sync_sg_for_device,
.mapping_error = swiotlb_dma_mapping_error,
};
EXPORT_SYMBOL(swiotlb_dma_map_ops);