From c95a9c278df8733a4370182a20f1355d6a81c235 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ma=C3=ADra=20Canal?= Date: Fri, 17 Dec 2021 16:38:16 +0800 Subject: iommu/vt-d: Remove unused dma_to_mm_pfn function MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 --- drivers/iommu/intel/iommu.c | 5 ----- 1 file changed, 5 deletions(-) (limited to 'drivers/iommu') diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 261d931ee76e..56671c7f4c08 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); -- cgit v1.2.3