参照元

説明

参考

実装

struct dma_map_ops arm_dma_ops = {
        .alloc                  = arm_dma_alloc,
        .free                   = arm_dma_free,
        .mmap                   = arm_dma_mmap,
        .get_sgtable            = arm_dma_get_sgtable,
        .map_page               = arm_dma_map_page,
        .unmap_page             = arm_dma_unmap_page,
        .map_sg                 = arm_dma_map_sg,
        .unmap_sg               = arm_dma_unmap_sg,
        .sync_single_for_cpu    = arm_dma_sync_single_for_cpu,
        .sync_single_for_device = arm_dma_sync_single_for_device,
        .sync_sg_for_cpu        = arm_dma_sync_sg_for_cpu,
        .sync_sg_for_device     = arm_dma_sync_sg_for_device,
        .set_dma_mask           = arm_dma_set_mask,
};
EXPORT_SYMBOL(arm_dma_ops);

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