| /* SPDX-License-Identifier: GPL-2.0 */ | |
| /* | |
| * Copyright (C) 2004 IBM | |
| */ | |
| #ifndef _ASM_DMA_MAPPING_H | |
| #define _ASM_DMA_MAPPING_H | |
| static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) | |
| { | |
| /* We don't handle the NULL dev case for ISA for now. We could | |
| * do it via an out of line call but it is not needed for now. The | |
| * only ISA DMA device we support is the floppy and we have a hack | |
| * in the floppy driver directly to get a device for us. | |
| */ | |
| return NULL; | |
| } | |
| #endif /* _ASM_DMA_MAPPING_H */ |