From: Maíra Canal Date: Fri, 17 Dec 2021 08:38:16 +0000 (+0800) Subject: iommu/vt-d: Remove unused dma_to_mm_pfn function X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c95a9c278df8733a4370182a20f1355d6a81c235;p=linux.git iommu/vt-d: Remove unused dma_to_mm_pfn function Remove dma_to_buf_pfn function, which is not used in the codebase. This was pointed by clang with the following warning: 'dma_to_mm_pfn' [-Wunused-function] static inline unsigned long dma_to_mm_pfn(unsigned long dma_pfn) ^ https://lore.kernel.org/r/YYhY7GqlrcTZlzuA@fedora drivers/iommu/intel/iommu.c:136:29: warning: unused function Signed-off-by: Maíra Canal Reviewed-by: Nick Desaulniers Signed-off-by: Lu Baolu Link: https://lore.kernel.org/r/20211217083817.1745419-4-baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel --- diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 261d931ee76ee..56671c7f4c085 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -133,11 +133,6 @@ static inline unsigned long lvl_to_nr_pages(unsigned int lvl) /* VT-d pages must always be _smaller_ than MM pages. Otherwise things are never going to work. */ -static inline unsigned long dma_to_mm_pfn(unsigned long dma_pfn) -{ - return dma_pfn >> (PAGE_SHIFT - VTD_PAGE_SHIFT); -} - static inline unsigned long mm_to_dma_pfn(unsigned long mm_pfn) { return mm_pfn << (PAGE_SHIFT - VTD_PAGE_SHIFT);