mapping.c (03ab8e6297acd1bc0eedaa050e2a1635c576fd11) mapping.c (a229cc14f3395311b899e5e582b71efa8dd01df0)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * arch-independent dma-mapping routines
4 *
5 * Copyright (c) 2006 SUSE Linux Products GmbH
6 * Copyright (c) 2006 Tejun Heo <teheo@suse.de>
7 */
8#include <linux/memblock.h> /* for max_pfn */

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768 size = dma_direct_max_mapping_size(dev);
769 else if (ops && ops->max_mapping_size)
770 size = ops->max_mapping_size(dev);
771
772 return size;
773}
774EXPORT_SYMBOL_GPL(dma_max_mapping_size);
775
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * arch-independent dma-mapping routines
4 *
5 * Copyright (c) 2006 SUSE Linux Products GmbH
6 * Copyright (c) 2006 Tejun Heo <teheo@suse.de>
7 */
8#include <linux/memblock.h> /* for max_pfn */

--- 759 unchanged lines hidden (view full) ---

768 size = dma_direct_max_mapping_size(dev);
769 else if (ops && ops->max_mapping_size)
770 size = ops->max_mapping_size(dev);
771
772 return size;
773}
774EXPORT_SYMBOL_GPL(dma_max_mapping_size);
775
776size_t dma_opt_mapping_size(struct device *dev)
777{
778 const struct dma_map_ops *ops = get_dma_ops(dev);
779 size_t size = SIZE_MAX;
780
781 if (ops && ops->opt_mapping_size)
782 size = ops->opt_mapping_size();
783
784 return min(dma_max_mapping_size(dev), size);
785}
786EXPORT_SYMBOL_GPL(dma_opt_mapping_size);
787
776bool dma_need_sync(struct device *dev, dma_addr_t dma_addr)
777{
778 const struct dma_map_ops *ops = get_dma_ops(dev);
779
780 if (dma_map_direct(dev, ops))
781 return dma_direct_need_sync(dev, dma_addr);
782 return ops->sync_single_for_cpu || ops->sync_single_for_device;
783}

--- 12 unchanged lines hidden --- 		788bool dma_need_sync(struct device *dev, dma_addr_t dma_addr)
789{
790 const struct dma_map_ops *ops = get_dma_ops(dev);
791
792 if (dma_map_direct(dev, ops))
793 return dma_direct_need_sync(dev, dma_addr);
794 return ops->sync_single_for_cpu || ops->sync_single_for_device;
795}

--- 12 unchanged lines hidden ---