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/* 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)
{
if (!dev->dma_mask)
return false;
return addr + size - 1 <=
min_not_zero(*dev->dma_mask, dev->bus_dma_mask);
}
static inline dma_addr_t __phys_to_dma(struct device *dev, phys_addr_t paddr)
{
if (!dev)
return paddr + PCI_DRAM_OFFSET;
return paddr + dev->archdata.dma_offset;
}
static inline phys_addr_t __dma_to_phys(struct device *dev, dma_addr_t daddr)
{
if (!dev)
return daddr - PCI_DRAM_OFFSET;
return daddr - dev->archdata.dma_offset;
}
#endif /* ASM_POWERPC_DMA_DIRECT_H */