[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] linux-next: manual merge of the xen-tip tree with the arm tree
Hi all, Today's linux-next merge of the xen-tip tree got a conflict in arch/arm/include/asm/dma-mapping.h between commit 6a6a5c15d871 ("ARM: 7805/1: mm: change max*pfn to include the physical offset of memory") from the arm tree and commit e24b7aa368a0 ("arm: make SWIOTLB available") from the xen-tip tree. I fixed it up (see below) and can carry the fix as necessary (no action is required). -- Cheers, Stephen Rothwell sfr@xxxxxxxxxxxxxxxx diff --cc arch/arm/include/asm/dma-mapping.h index 863cd84eb1a2,8acfef48124a..000000000000 --- a/arch/arm/include/asm/dma-mapping.h +++ b/arch/arm/include/asm/dma-mapping.h @@@ -87,13 -97,39 +98,46 @@@ static inline dma_addr_t virt_to_dma(st } #endif + static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr) + { + unsigned int offset = paddr & ~PAGE_MASK; + return pfn_to_dma(dev, __phys_to_pfn(paddr)) + offset; + } + + static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t dev_addr) + { + unsigned int offset = dev_addr & ~PAGE_MASK; + return __pfn_to_phys(dma_to_pfn(dev, dev_addr)) + offset; + } + + static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size) + { + u64 limit, mask; + + if (!dev->dma_mask) + return 0; + + mask = *dev->dma_mask; + + limit = (mask + 1) & ~mask; + if (limit && size > limit) + return 0; + + if ((addr | (addr + size - 1)) & ~mask) + return 0; + + return 1; + } + + static inline void dma_mark_clean(void *addr, size_t size) { } + +/* The ARM override for dma_max_pfn() */ +static inline unsigned long dma_max_pfn(struct device *dev) +{ + return PHYS_PFN_OFFSET + dma_to_pfn(dev, *dev->dma_mask); +} +#define dma_max_pfn(dev) dma_max_pfn(dev) + /* * DMA errors are defined by all-bits-set in the DMA address. */ Attachment:
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