Messages in this thread Patch in this message | | | Date | Sun, 7 Nov 2021 19:53:32 -0300 | From | Maíra Canal <> | Subject | [PATCH] iommu/vt-d: Remove unused dma_to_mm_pfn function |
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Remove dma_to_buf_pfn function, which is not used in the codebase.
This was pointed by clang with the following warning:
drivers/iommu/intel/iommu.c:136:29: warning: unused function 'dma_to_mm_pfn' [-Wunused-function] static inline unsigned long dma_to_mm_pfn(unsigned long dma_pfn) ^
Signed-off-by: Maíra Canal <maira.canal@usp.br> --- drivers/iommu/intel/iommu.c | 5 ----- 1 file changed, 5 deletions(-)
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 0bde0c8b4126..35300b5b69f7 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); -- 2.31.1
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