aboutsummaryrefslogtreecommitdiff
path: root/drivers/iommu
diff options
context:
space:
mode:
authorMaíra Canal2021-12-17 16:38:16 +0800
committerJoerg Roedel2021-12-17 09:40:29 +0100
commitc95a9c278df8733a4370182a20f1355d6a81c235 (patch)
tree34728a0478b72234d0df857321d9571e7cd7f2ad /drivers/iommu
parentf5209f91272295c6c3ee0cd5f9589baf93cd00e8 (diff)
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 <maira.canal@usp.br> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Link: https://lore.kernel.org/r/20211217083817.1745419-4-baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/intel/iommu.c5
1 files changed, 0 insertions, 5 deletions
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);