iommu/pages: Remove iommu_free_page()

Use iommu_free_pages() instead.

Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Mostafa Saleh <smostafa@google.com>
Tested-by: Alejandro Jimenez <alejandro.j.jimenez@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/6-v4-c8663abbb606+3f7-iommu_pages_jgg@nvidia.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

11 files changed, 32 insertions, 41 deletions

diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c
index 69aad383f97e..b5415dd19426 100644
--- a/drivers/iommu/amd/init.c
+++ b/drivers/iommu/amd/init.c
@@ -946,7 +946,7 @@ static int __init alloc_cwwb_sem(struct amd_iommu *iommu)
 static void __init free_cwwb_sem(struct amd_iommu *iommu)
 {
 	if (iommu->cmd_sem)
-		iommu_free_page((void *)iommu->cmd_sem);
+		iommu_free_pages((void *)iommu->cmd_sem);
 }
 
 static void iommu_enable_xt(struct amd_iommu *iommu)
diff --git a/drivers/iommu/amd/io_pgtable.c b/drivers/iommu/amd/io_pgtable.c
index 26cf562dde11..42d9e6746dee 100644
--- a/drivers/iommu/amd/io_pgtable.c
+++ b/drivers/iommu/amd/io_pgtable.c
@@ -146,7 +146,7 @@ static bool increase_address_space(struct amd_io_pgtable *pgtable,
 
 out:
 	spin_unlock_irqrestore(&domain->lock, flags);
-	iommu_free_page(pte);
+	iommu_free_pages(pte);
 
 	return ret;
 }
@@ -222,7 +222,7 @@ static u64 *alloc_pte(struct amd_io_pgtable *pgtable,
 
 			/* pte could have been changed somewhere. */
 			if (!try_cmpxchg64(pte, &__pte, __npte))
-				iommu_free_page(page);
+				iommu_free_pages(page);
 			else if (IOMMU_PTE_PRESENT(__pte))
 				*updated = true;
 
diff --git a/drivers/iommu/amd/io_pgtable_v2.c b/drivers/iommu/amd/io_pgtable_v2.c
index a56a27396305..f5f2f5327378 100644
--- a/drivers/iommu/amd/io_pgtable_v2.c
+++ b/drivers/iommu/amd/io_pgtable_v2.c
@@ -121,10 +121,10 @@ static void free_pgtable(u64 *pt, int level)
 		if (level > 2)
 			free_pgtable(p, level - 1);
 		else
-			iommu_free_page(p);
+			iommu_free_pages(p);
 	}
 
-	iommu_free_page(pt);
+	iommu_free_pages(pt);
 }
 
 /* Allocate page table */
@@ -159,7 +159,7 @@ static u64 *v2_alloc_pte(int nid, u64 *pgd, unsigned long iova,
 			__npte = set_pgtable_attr(page);
 			/* pte could have been changed somewhere. */
 			if (!try_cmpxchg64(pte, &__pte, __npte))
-				iommu_free_page(page);
+				iommu_free_pages(page);
 			else if (IOMMU_PTE_PRESENT(__pte))
 				*updated = true;
 
@@ -181,7 +181,7 @@ static u64 *v2_alloc_pte(int nid, u64 *pgd, unsigned long iova,
 		if (pg_size == IOMMU_PAGE_SIZE_1G)
 			free_pgtable(__pte, end_level - 1);
 		else if (pg_size == IOMMU_PAGE_SIZE_2M)
-			iommu_free_page(__pte);
+			iommu_free_pages(__pte);
 	}
 
 	return pte;
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
index b503d01e3b80..fe31166ced94 100644
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -1812,7 +1812,7 @@ static void free_gcr3_tbl_level1(u64 *tbl)
 
 		ptr = iommu_phys_to_virt(tbl[i] & PAGE_MASK);
 
-		iommu_free_page(ptr);
+		iommu_free_pages(ptr);
 	}
 }
 
@@ -1845,7 +1845,7 @@ static void free_gcr3_table(struct gcr3_tbl_info *gcr3_info)
 	/* Free per device domain ID */
 	pdom_id_free(gcr3_info->domid);
 
-	iommu_free_page(gcr3_info->gcr3_tbl);
+	iommu_free_pages(gcr3_info->gcr3_tbl);
 	gcr3_info->gcr3_tbl = NULL;
 }
 
diff --git a/drivers/iommu/intel/dmar.c b/drivers/iommu/intel/dmar.c
index e540092d664d..14bc39b2cdd5 100644
--- a/drivers/iommu/intel/dmar.c
+++ b/drivers/iommu/intel/dmar.c
@@ -1187,7 +1187,7 @@ static void free_iommu(struct intel_iommu *iommu)
 	}
 
 	if (iommu->qi) {
-		iommu_free_page(iommu->qi->desc);
+		iommu_free_pages(iommu->qi->desc);
 		kfree(iommu->qi->desc_status);
 		kfree(iommu->qi);
 	}
@@ -1714,7 +1714,7 @@ int dmar_enable_qi(struct intel_iommu *iommu)
 
 	qi->desc_status = kcalloc(QI_LENGTH, sizeof(int), GFP_ATOMIC);
 	if (!qi->desc_status) {
-		iommu_free_page(qi->desc);
+		iommu_free_pages(qi->desc);
 		kfree(qi);
 		iommu->qi = NULL;
 		return -ENOMEM;
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index b29da2d96d0b..e66fd919501f 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -571,17 +571,17 @@ static void free_context_table(struct intel_iommu *iommu)
 	for (i = 0; i < ROOT_ENTRY_NR; i++) {
 		context = iommu_context_addr(iommu, i, 0, 0);
 		if (context)
-			iommu_free_page(context);
+			iommu_free_pages(context);
 
 		if (!sm_supported(iommu))
 			continue;
 
 		context = iommu_context_addr(iommu, i, 0x80, 0);
 		if (context)
-			iommu_free_page(context);
+			iommu_free_pages(context);
 	}
 
-	iommu_free_page(iommu->root_entry);
+	iommu_free_pages(iommu->root_entry);
 	iommu->root_entry = NULL;
 }
 
@@ -745,7 +745,7 @@ static struct dma_pte *pfn_to_dma_pte(struct dmar_domain *domain,
 			tmp = 0ULL;
 			if (!try_cmpxchg64(&pte->val, &tmp, pteval))
 				/* Someone else set it while we were thinking; use theirs. */
-				iommu_free_page(tmp_page);
+				iommu_free_pages(tmp_page);
 			else
 				domain_flush_cache(domain, pte, sizeof(*pte));
 		}
@@ -858,7 +858,7 @@ static void dma_pte_free_level(struct dmar_domain *domain, int level,
 		      last_pfn < level_pfn + level_size(level) - 1)) {
 			dma_clear_pte(pte);
 			domain_flush_cache(domain, pte, sizeof(*pte));
-			iommu_free_page(level_pte);
+			iommu_free_pages(level_pte);
 		}
 next:
 		pfn += level_size(level);
@@ -882,7 +882,7 @@ static void dma_pte_free_pagetable(struct dmar_domain *domain,
 
 	/* free pgd */
 	if (start_pfn == 0 && last_pfn == DOMAIN_MAX_PFN(domain->gaw)) {
-		iommu_free_page(domain->pgd);
+		iommu_free_pages(domain->pgd);
 		domain->pgd = NULL;
 	}
 }
diff --git a/drivers/iommu/intel/pasid.c b/drivers/iommu/intel/pasid.c
index 58a13366b41c..b616aaad03ba 100644
--- a/drivers/iommu/intel/pasid.c
+++ b/drivers/iommu/intel/pasid.c
@@ -96,7 +96,7 @@ void intel_pasid_free_table(struct device *dev)
 	max_pde = pasid_table->max_pasid >> PASID_PDE_SHIFT;
 	for (i = 0; i < max_pde; i++) {
 		table = get_pasid_table_from_pde(&dir[i]);
-		iommu_free_page(table);
+		iommu_free_pages(table);
 	}
 
 	iommu_free_pages(pasid_table->table);
@@ -160,7 +160,7 @@ retry:
 		tmp = 0ULL;
 		if (!try_cmpxchg64(&dir[dir_index].val, &tmp,
 				   (u64)virt_to_phys(entries) | PASID_PTE_PRESENT)) {
-			iommu_free_page(entries);
+			iommu_free_pages(entries);
 			goto retry;
 		}
 		if (!ecap_coherent(info->iommu->ecap)) {
diff --git a/drivers/iommu/iommu-pages.h b/drivers/iommu/iommu-pages.h
index 88587da1782b..fcd17b94f7b8 100644
--- a/drivers/iommu/iommu-pages.h
+++ b/drivers/iommu/iommu-pages.h
@@ -123,15 +123,6 @@ static inline void iommu_free_pages(void *virt)
 }
 
 /**
- * iommu_free_page - free page
- * @virt: virtual address of the page to be freed.
- */
-static inline void iommu_free_page(void *virt)
-{
-	iommu_free_pages(virt);
-}
-
-/**
  * iommu_put_pages_list - free a list of pages.
  * @page: the head of the lru list to be freed.
  *
diff --git a/drivers/iommu/riscv/iommu.c b/drivers/iommu/riscv/iommu.c
index 1868468d018a..4fe07343d84e 100644
--- a/drivers/iommu/riscv/iommu.c
+++ b/drivers/iommu/riscv/iommu.c
@@ -1105,7 +1105,7 @@ static void riscv_iommu_pte_free(struct riscv_iommu_domain *domain,
 	if (freelist)
 		list_add_tail(&virt_to_page(ptr)->lru, freelist);
 	else
-		iommu_free_page(ptr);
+		iommu_free_pages(ptr);
 }
 
 static unsigned long *riscv_iommu_pte_alloc(struct riscv_iommu_domain *domain,
@@ -1148,7 +1148,7 @@ pte_retry:
 			old = pte;
 			pte = _io_pte_entry(virt_to_pfn(addr), _PAGE_TABLE);
 			if (cmpxchg_relaxed(ptr, old, pte) != old) {
-				iommu_free_page(addr);
+				iommu_free_pages(addr);
 				goto pte_retry;
 			}
 		}
@@ -1393,7 +1393,7 @@ static struct iommu_domain *riscv_iommu_alloc_paging_domain(struct device *dev)
 	domain->pscid = ida_alloc_range(&riscv_iommu_pscids, 1,
 					RISCV_IOMMU_MAX_PSCID, GFP_KERNEL);
 	if (domain->pscid < 0) {
-		iommu_free_page(domain->pgd_root);
+		iommu_free_pages(domain->pgd_root);
 		kfree(domain);
 		return ERR_PTR(-ENOMEM);
 	}
diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c
index af4cc91b2bbf..f1b49370dfa3 100644
--- a/drivers/iommu/rockchip-iommu.c
+++ b/drivers/iommu/rockchip-iommu.c
@@ -737,7 +737,7 @@ static u32 *rk_dte_get_page_table(struct rk_iommu_domain *rk_domain,
 	pt_dma = dma_map_single(rk_domain->dma_dev, page_table, SPAGE_SIZE, DMA_TO_DEVICE);
 	if (dma_mapping_error(rk_domain->dma_dev, pt_dma)) {
 		dev_err(rk_domain->dma_dev, "DMA mapping error while allocating page table\n");
-		iommu_free_page(page_table);
+		iommu_free_pages(page_table);
 		return ERR_PTR(-ENOMEM);
 	}
 
@@ -1086,7 +1086,7 @@ static struct iommu_domain *rk_iommu_domain_alloc_paging(struct device *dev)
 	return &rk_domain->domain;
 
 err_free_dt:
-	iommu_free_page(rk_domain->dt);
+	iommu_free_pages(rk_domain->dt);
 err_free_domain:
 	kfree(rk_domain);
 
@@ -1107,13 +1107,13 @@ static void rk_iommu_domain_free(struct iommu_domain *domain)
 			u32 *page_table = phys_to_virt(pt_phys);
 			dma_unmap_single(rk_domain->dma_dev, pt_phys,
 					 SPAGE_SIZE, DMA_TO_DEVICE);
-			iommu_free_page(page_table);
+			iommu_free_pages(page_table);
 		}
 	}
 
 	dma_unmap_single(rk_domain->dma_dev, rk_domain->dt_dma,
 			 SPAGE_SIZE, DMA_TO_DEVICE);
-	iommu_free_page(rk_domain->dt);
+	iommu_free_pages(rk_domain->dt);
 
 	kfree(rk_domain);
 }
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index 95e97d1e4004..7ad1b3c7c7fc 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -303,7 +303,7 @@ static struct iommu_domain *tegra_smmu_domain_alloc_paging(struct device *dev)
 
 	as->count = kcalloc(SMMU_NUM_PDE, sizeof(u32), GFP_KERNEL);
 	if (!as->count) {
-		iommu_free_page(as->pd);
+		iommu_free_pages(as->pd);
 		kfree(as);
 		return NULL;
 	}
@@ -311,7 +311,7 @@ static struct iommu_domain *tegra_smmu_domain_alloc_paging(struct device *dev)
 	as->pts = kcalloc(SMMU_NUM_PDE, sizeof(*as->pts), GFP_KERNEL);
 	if (!as->pts) {
 		kfree(as->count);
-		iommu_free_page(as->pd);
+		iommu_free_pages(as->pd);
 		kfree(as);
 		return NULL;
 	}
@@ -608,14 +608,14 @@ static u32 *as_get_pte(struct tegra_smmu_as *as, dma_addr_t iova,
 		dma = dma_map_single(smmu->dev, pt, SMMU_SIZE_PT,
 				     DMA_TO_DEVICE);
 		if (dma_mapping_error(smmu->dev, dma)) {
-			iommu_free_page(pt);
+			iommu_free_pages(pt);
 			return NULL;
 		}
 
 		if (!smmu_dma_addr_valid(smmu, dma)) {
 			dma_unmap_single(smmu->dev, dma, SMMU_SIZE_PT,
 					 DMA_TO_DEVICE);
-			iommu_free_page(pt);
+			iommu_free_pages(pt);
 			return NULL;
 		}
 
@@ -656,7 +656,7 @@ static void tegra_smmu_pte_put_use(struct tegra_smmu_as *as, unsigned long iova)
 
 		dma_unmap_single(smmu->dev, pte_dma, SMMU_SIZE_PT,
 				 DMA_TO_DEVICE);
-		iommu_free_page(pt);
+		iommu_free_pages(pt);
 		as->pts[pde] = NULL;
 	}
 }
@@ -707,7 +707,7 @@ static struct tegra_pt *as_get_pde_page(struct tegra_smmu_as *as,
 	 */
 	if (as->pts[pde]) {
 		if (pt)
-			iommu_free_page(pt);
+			iommu_free_pages(pt);
 
 		pt = as->pts[pde];
 	}