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path: root/drivers/iommu/io-pgtable-dart.c
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Diffstat (limited to 'drivers/iommu/io-pgtable-dart.c')
-rw-r--r--drivers/iommu/io-pgtable-dart.c23
1 files changed, 7 insertions, 16 deletions
diff --git a/drivers/iommu/io-pgtable-dart.c b/drivers/iommu/io-pgtable-dart.c
index 06aca9ab52f9..679bda104797 100644
--- a/drivers/iommu/io-pgtable-dart.c
+++ b/drivers/iommu/io-pgtable-dart.c
@@ -107,14 +107,6 @@ static phys_addr_t iopte_to_paddr(dart_iopte pte,
return paddr;
}
-static void *__dart_alloc_pages(size_t size, gfp_t gfp)
-{
- int order = get_order(size);
-
- VM_BUG_ON((gfp & __GFP_HIGHMEM));
- return iommu_alloc_pages(gfp, order);
-}
-
static int dart_init_pte(struct dart_io_pgtable *data,
unsigned long iova, phys_addr_t paddr,
dart_iopte prot, int num_entries,
@@ -256,13 +248,13 @@ static int dart_map_pages(struct io_pgtable_ops *ops, unsigned long iova,
/* no L2 table present */
if (!pte) {
- cptep = __dart_alloc_pages(tblsz, gfp);
+ cptep = iommu_alloc_pages_sz(gfp, tblsz);
if (!cptep)
return -ENOMEM;
pte = dart_install_table(cptep, ptep, 0, data);
if (pte)
- iommu_free_pages(cptep, get_order(tblsz));
+ iommu_free_pages(cptep);
/* L2 table is present (now) */
pte = READ_ONCE(*ptep);
@@ -413,7 +405,8 @@ apple_dart_alloc_pgtable(struct io_pgtable_cfg *cfg, void *cookie)
cfg->apple_dart_cfg.n_ttbrs = 1 << data->tbl_bits;
for (i = 0; i < cfg->apple_dart_cfg.n_ttbrs; ++i) {
- data->pgd[i] = __dart_alloc_pages(DART_GRANULE(data), GFP_KERNEL);
+ data->pgd[i] =
+ iommu_alloc_pages_sz(GFP_KERNEL, DART_GRANULE(data));
if (!data->pgd[i])
goto out_free_data;
cfg->apple_dart_cfg.ttbr[i] = virt_to_phys(data->pgd[i]);
@@ -423,8 +416,7 @@ apple_dart_alloc_pgtable(struct io_pgtable_cfg *cfg, void *cookie)
out_free_data:
while (--i >= 0) {
- iommu_free_pages(data->pgd[i],
- get_order(DART_GRANULE(data)));
+ iommu_free_pages(data->pgd[i]);
}
kfree(data);
return NULL;
@@ -433,7 +425,6 @@ out_free_data:
static void apple_dart_free_pgtable(struct io_pgtable *iop)
{
struct dart_io_pgtable *data = io_pgtable_to_data(iop);
- int order = get_order(DART_GRANULE(data));
dart_iopte *ptep, *end;
int i;
@@ -445,9 +436,9 @@ static void apple_dart_free_pgtable(struct io_pgtable *iop)
dart_iopte pte = *ptep++;
if (pte)
- iommu_free_pages(iopte_deref(pte, data), order);
+ iommu_free_pages(iopte_deref(pte, data));
}
- iommu_free_pages(data->pgd[i], order);
+ iommu_free_pages(data->pgd[i]);
}
kfree(data);