iommu/vt-d: No need to typecast

Page directory assignment by alloc_pgtable_page() or phys_to_virt()
doesn't need typecasting as both routines return void*. Hence, remove
typecasting from both the calls.

Signed-off-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20210530075053.264218-1-parav@nvidia.com
Link: https://lore.kernel.org/r/20210610020115.1637656-24-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index d9a248ee577936dad8f6c1075ba330af74913fa6..bd93c7ec879eee5f78e0f9eda1a788303bb0297b 100644 (file)
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -4506,7 +4506,7 @@ static int md_domain_init(struct dmar_domain *domain, int guest_width)
        domain->max_addr = 0;
 
        /* always allocate the top pgd */
-       domain->pgd = (struct dma_pte *)alloc_pgtable_page(domain->nid);
+       domain->pgd = alloc_pgtable_page(domain->nid);
        if (!domain->pgd)
                return -ENOMEM;
        domain_flush_cache(domain, domain->pgd, PAGE_SIZE);
@@ -4774,8 +4774,7 @@ static int prepare_domain_attach_device(struct iommu_domain *domain,
 
                pte = dmar_domain->pgd;
                if (dma_pte_present(pte)) {
-                       dmar_domain->pgd = (struct dma_pte *)
-                               phys_to_virt(dma_pte_addr(pte));
+                       dmar_domain->pgd = phys_to_virt(dma_pte_addr(pte));
                        free_pgtable_page(pte);
                }
                dmar_domain->agaw--;