| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef ASM_POWERPC_DMA_DIRECT_H |
| #define ASM_POWERPC_DMA_DIRECT_H 1 |
| |
| static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size) |
| { |
| #ifdef CONFIG_SWIOTLB |
| struct dev_archdata *sd = &dev->archdata; |
| |
| if (sd->max_direct_dma_addr && addr + size > sd->max_direct_dma_addr) |
| return false; |
| #endif |
| |
| if (!dev->dma_mask) |
| return false; |
| |
| return addr + size - 1 <= *dev->dma_mask; |
| } |
| |
| static inline dma_addr_t __phys_to_dma(struct device *dev, phys_addr_t paddr) |
| { |
| return paddr + get_dma_offset(dev); |
| } |
| |
| static inline phys_addr_t __dma_to_phys(struct device *dev, dma_addr_t daddr) |
| { |
| return daddr - get_dma_offset(dev); |
| } |
| #endif /* ASM_POWERPC_DMA_DIRECT_H */ |
