From: Maíra Canal <[email protected]>
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 <[email protected]>
Reviewed-by: Nick Desaulniers <[email protected]>
https://lore.kernel.org/r/YYhY7GqlrcTZlzuA@fedora
Signed-off-by: Lu Baolu <[email protected]>
---
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 e59895af952c..73ad4578de25 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);
--
2.25.1
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