iommu/sun50i: Remove unused variable (ce0fd389) · Commits · 戴 / test

The pte_dma variable in the unmap callback is set but never used. Remove it. Fixes: ("iommu: Add Allwinner H6 IOMMU driver") Reported-by:

drivers/iommu/sun50i-iommu.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -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;