The pte_dma variable in the unmap callback is set but never used. Remove
it.
Fixes: 4100b8c229b3 ("iommu: Add Allwinner H6 IOMMU driver")
Reported-by: kernel test robot <[email protected]>
Signed-off-by: Maxime Ripard <[email protected]>
---
drivers/iommu/sun50i-iommu.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/iommu/sun50i-iommu.c b/drivers/iommu/sun50i-iommu.c
index a1563b54c743..3b1bf2fb94f5 100644
--- a/drivers/iommu/sun50i-iommu.c
+++ b/drivers/iommu/sun50i-iommu.c
@@ -556,7 +556,6 @@ static size_t sun50i_iommu_unmap(struct iommu_domain
*domain, unsigned long iova
{
struct sun50i_iommu_domain *sun50i_domain = to_sun50i_domain(domain);
phys_addr_t pt_phys;
- dma_addr_t pte_dma;
u32 *pte_addr;
u32 dte;
@@ -566,7 +565,6 @@ static size_t sun50i_iommu_unmap(struct iommu_domain
*domain, unsigned long iova
pt_phys = sun50i_dte_get_pt_address(dte);
pte_addr = (u32 *)phys_to_virt(pt_phys) +
sun50i_iova_get_pte_index(iova);
- pte_dma = pt_phys + sun50i_iova_get_pte_index(iova) * PT_ENTRY_SIZE;
if (!sun50i_pte_is_page_valid(*pte_addr))
return 0;
--
2.26.2
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