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 {
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);
* 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;
.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 = {
.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[] = {