mirror of https://gitee.com/openkylin/linux.git
28 lines
632 B
C
28 lines
632 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef ___ASM_SPARC_DMA_MAPPING_H
|
|
#define ___ASM_SPARC_DMA_MAPPING_H
|
|
|
|
#include <linux/scatterlist.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/dma-debug.h>
|
|
|
|
extern const struct dma_map_ops *dma_ops;
|
|
extern const struct dma_map_ops pci32_dma_ops;
|
|
|
|
extern struct bus_type pci_bus_type;
|
|
|
|
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
|
|
{
|
|
#ifdef CONFIG_SPARC_LEON
|
|
if (sparc_cpu_model == sparc_leon)
|
|
return &pci32_dma_ops;
|
|
#endif
|
|
#if defined(CONFIG_SPARC32) && defined(CONFIG_PCI)
|
|
if (bus == &pci_bus_type)
|
|
return &pci32_dma_ops;
|
|
#endif
|
|
return dma_ops;
|
|
}
|
|
|
|
#endif
|