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path: root/drivers/iommu/rockchip-iommu.c
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Diffstat (limited to 'drivers/iommu/rockchip-iommu.c')
-rw-r--r--drivers/iommu/rockchip-iommu.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c
index ae42959bc490..8ff69fbf9f65 100644
--- a/drivers/iommu/rockchip-iommu.c
+++ b/drivers/iommu/rockchip-iommu.c
@@ -99,6 +99,7 @@ struct rk_iommu_ops {
u32 (*mk_dtentries)(dma_addr_t pt_dma);
u32 (*mk_ptentries)(phys_addr_t page, int prot);
u64 dma_bit_mask;
+ gfp_t gfp_flags;
};
struct rk_iommu {
@@ -727,7 +728,7 @@ static u32 *rk_dte_get_page_table(struct rk_iommu_domain *rk_domain,
if (rk_dte_is_pt_valid(dte))
goto done;
- page_table = (u32 *)get_zeroed_page(GFP_ATOMIC | GFP_DMA32);
+ page_table = (u32 *)get_zeroed_page(GFP_ATOMIC | rk_ops->gfp_flags);
if (!page_table)
return ERR_PTR(-ENOMEM);
@@ -1076,7 +1077,7 @@ static struct iommu_domain *rk_iommu_domain_alloc(unsigned type)
* Each level1 (dt) and level2 (pt) table has 1024 4-byte entries.
* Allocate one 4 KiB page for each table.
*/
- rk_domain->dt = (u32 *)get_zeroed_page(GFP_KERNEL | GFP_DMA32);
+ rk_domain->dt = (u32 *)get_zeroed_page(GFP_KERNEL | rk_ops->gfp_flags);
if (!rk_domain->dt)
goto err_free_domain;
@@ -1377,6 +1378,7 @@ static struct rk_iommu_ops iommu_data_ops_v1 = {
.mk_dtentries = &rk_mk_dte,
.mk_ptentries = &rk_mk_pte,
.dma_bit_mask = DMA_BIT_MASK(32),
+ .gfp_flags = GFP_DMA32,
};
static struct rk_iommu_ops iommu_data_ops_v2 = {
@@ -1384,6 +1386,7 @@ static struct rk_iommu_ops iommu_data_ops_v2 = {
.mk_dtentries = &rk_mk_dte_v2,
.mk_ptentries = &rk_mk_pte_v2,
.dma_bit_mask = DMA_BIT_MASK(40),
+ .gfp_flags = 0,
};
static const struct of_device_id rk_iommu_dt_ids[] = {