arch/powerpc/include/asm/dma-direct.h at v5.17

tjh.dev / kernel

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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

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kernel / arch / powerpc / include / asm / dma-direct.h

at v5.17 14 lines 391 B view raw

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 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 */