diff options
Diffstat (limited to 'arch/riscv/include')
-rw-r--r-- | arch/riscv/include/asm/dma-mapping.h | 15 | ||||
-rw-r--r-- | arch/riscv/include/asm/pci.h | 3 |
2 files changed, 15 insertions, 3 deletions
diff --git a/arch/riscv/include/asm/dma-mapping.h b/arch/riscv/include/asm/dma-mapping.h new file mode 100644 index 000000000000..8facc1c8fa05 --- /dev/null +++ b/arch/riscv/include/asm/dma-mapping.h @@ -0,0 +1,15 @@ +// SPDX-License-Identifier: GPL-2.0 +#ifndef _RISCV_ASM_DMA_MAPPING_H +#define _RISCV_ASM_DMA_MAPPING_H 1 + +#ifdef CONFIG_SWIOTLB +#include <linux/swiotlb.h> +static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) +{ + return &swiotlb_dma_ops; +} +#else +#include <asm-generic/dma-mapping.h> +#endif /* CONFIG_SWIOTLB */ + +#endif /* _RISCV_ASM_DMA_MAPPING_H */ diff --git a/arch/riscv/include/asm/pci.h b/arch/riscv/include/asm/pci.h index 0f2fc9ef20fc..b3638c505728 100644 --- a/arch/riscv/include/asm/pci.h +++ b/arch/riscv/include/asm/pci.h @@ -26,9 +26,6 @@ /* RISC-V shim does not initialize PCI bus */ #define pcibios_assign_all_busses() 1 -/* We do not have an IOMMU */ -#define PCI_DMA_BUS_IS_PHYS 1 - extern int isa_dma_bridge_buggy; #ifdef CONFIG_PCI |