From ce0fd3892bfafca7cd352638ba84e8c17658b803 Mon Sep 17 00:00:00 2001 From: Maxime Ripard Date: Sun, 28 Jun 2020 20:08:44 +0200 Subject: [PATCH] iommu/sun50i: Remove unused variable 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 Signed-off-by: Maxime Ripard Link: https://lore.kernel.org/r/20200628180844.79205-2-maxime@cerno.tech Signed-off-by: Joerg Roedel --- 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;