summaryrefslogtreecommitdiff
path: root/drivers/iommu/sun50i-iommu.c
diff options
context:
space:
mode:
authorMaxime Ripard <maxime@cerno.tech>2020-06-28 20:08:44 +0200
committerJoerg Roedel <jroedel@suse.de>2020-06-30 12:05:09 +0200
commitce0fd3892bfafca7cd352638ba84e8c17658b803 (patch)
treee0bb002c41d645de0e3e4306a475d35223299897 /drivers/iommu/sun50i-iommu.c
parentbc8784f348836ab8967e6116486c5079c7025999 (diff)
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 <lkp@intel.com> Signed-off-by: Maxime Ripard <maxime@cerno.tech> Link: https://lore.kernel.org/r/20200628180844.79205-2-maxime@cerno.tech Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/sun50i-iommu.c')
-rw-r--r--drivers/iommu/sun50i-iommu.c2
1 files changed, 0 insertions, 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;