From 7610fdf5e056ad5764d19f39db49b11608334610 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 13 Feb 2019 08:01:31 +0100 Subject: powerpc/dma: remove get_dma_offset Just fold the calculation into __phys_to_dma/__dma_to_phys as those are the only places that should know about it. Signed-off-by: Christoph Hellwig Acked-by: Benjamin Herrenschmidt Tested-by: Christian Zigotzky Signed-off-by: Michael Ellerman --- arch/powerpc/include/asm/dma-mapping.h | 16 ---------------- 1 file changed, 16 deletions(-) (limited to 'arch/powerpc/include/asm/dma-mapping.h') diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h index 93e57e28be28..c70f55d2f5e0 100644 --- a/arch/powerpc/include/asm/dma-mapping.h +++ b/arch/powerpc/include/asm/dma-mapping.h @@ -43,22 +43,6 @@ static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) return NULL; } -/* - * get_dma_offset() - * - * Get the dma offset on configurations where the dma address can be determined - * from the physical address by looking at a simple offset. Direct dma and - * swiotlb use this function, but it is typically not used by implementations - * with an iommu. - */ -static inline dma_addr_t get_dma_offset(struct device *dev) -{ - if (dev) - return dev->archdata.dma_offset; - - return PCI_DRAM_OFFSET; -} - static inline void set_dma_offset(struct device *dev, dma_addr_t off) { if (dev) -- cgit v1.2.3