ffc4a3faf7
Adapt core Unicore32 architecture code for dma_map_ops changes: replace alloc/free_coherent with generic alloc/free methods. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Acked-by: Kyungmin Park <kyungmin.park@samsung.com> [added swiotlb_alloc/free_coherent wrappers] Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
48 lines
1.5 KiB
C
48 lines
1.5 KiB
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);
|