linux/arch/powerpc/include/asm/dma-direct.h
Christoph Hellwig cb6f6392db powerpc: remove support for NULL dev in __phys_to_dma / __dma_to_phys
Support for calling the DMA API functions without a valid device pointer
was removed a while ago, so remove the stale support for that from the
powerpc __phys_to_dma / __dma_to_phys helpers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
2019-11-20 20:31:40 +01:00

15 lines
395 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ASM_POWERPC_DMA_DIRECT_H
#define ASM_POWERPC_DMA_DIRECT_H 1
static inline dma_addr_t __phys_to_dma(struct device *dev, phys_addr_t paddr)
{
return paddr + dev->archdata.dma_offset;
}
static inline phys_addr_t __dma_to_phys(struct device *dev, dma_addr_t daddr)
{
return daddr - dev->archdata.dma_offset;
}
#endif /* ASM_POWERPC_DMA_DIRECT_H */