Allwinner H6 SoC has a Mali T720MP2 with a 33-bit iommu which
trig the sanity check during the alloc of the pgtable.
Change the sanity check to allow non 48-bit configuration.
Suggested-by: Robin Murphy <robin.murphy@xxxxxxx>
Signed-off-by: Clément Péron <peron.clem@xxxxxxxxx>
---
drivers/iommu/io-pgtable-arm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c
index 4e21efbc4459..74f2ce802e6f 100644
--- a/drivers/iommu/io-pgtable-arm.c
+++ b/drivers/iommu/io-pgtable-arm.c
@@ -1016,7 +1016,7 @@ arm_mali_lpae_alloc_pgtable(struct io_pgtable_cfg *cfg, void *cookie)
{
struct io_pgtable *iop;
- if (cfg->ias != 48 || cfg->oas > 40)
+ if (cfg->ias > 48 || cfg->oas > 40)
return NULL;
cfg->pgsize_bitmap &= (SZ_4K | SZ_2M | SZ_1G);
--
2.17.1
