| /* SPDX-License-Identifier: GPL-2.0 */ | |
| /* | |
| * Samsung specific header for dma-mapping. | |
| * | |
| * Copyright (C) 2021 Samsung Electronics Co., Ltd. | |
| * Author: <[email protected]> for Samsung | |
| */ | |
| #ifndef _SAMSUNG_DMA_MAPPING_H | |
| #define _SAMSUNG_DMA_MAPPING_H | |
| /** | |
| * List of possible attributes associated with a DMA mapping. Each attribute should not | |
| * overlap with bits defined in dma-mapping.h | |
| */ | |
| /* | |
| * DMA_ATTR_SKIP_LAZY_UNMAP: This tells the subsystem to do unmapping immediately | |
| * instead of trying lazy unmapping for performance when device virtual address | |
| * domain is not sufficient to use. | |
| */ | |
| #define DMA_ATTR_SKIP_LAZY_UNMAP (1UL << 20) | |
| #endif |