diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-02-13 10:01:31 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-02-18 14:41:04 +0300 |
| commit | 7610fdf5e056ad5764d19f39db49b11608334610 (patch) | |
| tree | c136aede7dbdbc55a575ff3763378ab3cdfddf49 /arch/powerpc/include/asm/dma-mapping.h | |
| parent | 68005b67d15a1ee5b5ddff965175728e65fa73e7 (diff) | |
| download | linux-7610fdf5e056ad5764d19f39db49b11608334610.tar.xz | |
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 <hch@lst.de>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Tested-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/dma-mapping.h')
| -rw-r--r-- | arch/powerpc/include/asm/dma-mapping.h | 16 |
1 files changed, 0 insertions, 16 deletions
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) |