From 18b53a2d479f3906b15edcabeb4135c8f22a11ec Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 13 Feb 2019 08:01:23 +0100 Subject: [PATCH] powerpc/dma: use phys_to_dma instead of get_dma_offset Use the standard portable helper instead of the powerpc specific one, which is about to go away. Signed-off-by: Christoph Hellwig Acked-by: Benjamin Herrenschmidt Tested-by: Christian Zigotzky Signed-off-by: Michael Ellerman --- arch/powerpc/kernel/dma.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c index e422ca6..10fa4e1 100644 --- a/arch/powerpc/kernel/dma.c +++ b/arch/powerpc/kernel/dma.c @@ -6,7 +6,7 @@ */ #include -#include +#include #include #include #include @@ -42,7 +42,7 @@ static u64 __maybe_unused get_pfn_limit(struct device *dev) int dma_nommu_dma_supported(struct device *dev, u64 mask) { #ifdef CONFIG_PPC64 - u64 limit = get_dma_offset(dev) + (memblock_end_of_DRAM() - 1); + u64 limit = phys_to_dma(dev, (memblock_end_of_DRAM() - 1)); /* Limit fits in the mask, we are good */ if (mask >= limit) @@ -101,7 +101,7 @@ void *__dma_nommu_alloc_coherent(struct device *dev, size_t size, return NULL; ret = page_address(page); memset(ret, 0, size); - *dma_handle = __pa(ret) + get_dma_offset(dev); + *dma_handle = phys_to_dma(dev,__pa(ret)); return ret; } @@ -140,7 +140,7 @@ int dma_nommu_map_sg(struct device *dev, struct scatterlist *sgl, int i; for_each_sg(sgl, sg, nents, i) { - sg->dma_address = sg_phys(sg) + get_dma_offset(dev); + sg->dma_address = phys_to_dma(dev, sg_phys(sg)); sg->dma_length = sg->length; if (attrs & DMA_ATTR_SKIP_CPU_SYNC) @@ -182,7 +182,7 @@ dma_addr_t dma_nommu_map_page(struct device *dev, struct page *page, if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC)) __dma_sync_page(page, offset, size, dir); - return page_to_phys(page) + offset + get_dma_offset(dev); + return phys_to_dma(dev, page_to_phys(page)) + offset; } static inline void dma_nommu_unmap_page(struct device *dev, -- 2.7.4