1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef ASM_POWERPC_DMA_DIRECT_H
 3#define ASM_POWERPC_DMA_DIRECT_H 1
 4
 5static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
 6{
 
 
 
 
 
 
 
 
 
 
 
 7	return paddr + dev->archdata.dma_offset;
 8}
 9
10static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr)
11{
 
 
12	return daddr - dev->archdata.dma_offset;
13}
14#endif /* ASM_POWERPC_DMA_DIRECT_H */

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef ASM_POWERPC_DMA_DIRECT_H
 3#define ASM_POWERPC_DMA_DIRECT_H 1
 4
 5static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
 6{
 7	if (!dev->dma_mask)
 8		return false;
 9
10	return addr + size - 1 <=
11		min_not_zero(*dev->dma_mask, dev->bus_dma_mask);
12}
13
14static inline dma_addr_t __phys_to_dma(struct device *dev, phys_addr_t paddr)
15{
16	if (!dev)
17		return paddr + PCI_DRAM_OFFSET;
18	return paddr + dev->archdata.dma_offset;
19}
20
21static inline phys_addr_t __dma_to_phys(struct device *dev, dma_addr_t daddr)
22{
23	if (!dev)
24		return daddr - PCI_DRAM_OFFSET;
25	return daddr - dev->archdata.dma_offset;
26}
27#endif /* ASM_POWERPC_DMA_DIRECT_H */