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-rw-r--r--drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
index 737c5b882355..b55327d6058e 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
@@ -3625,7 +3625,7 @@ static int arm_smmu_init_strtab_2lvl(struct arm_smmu_device *smmu)
u32 l1size;
struct arm_smmu_strtab_cfg *cfg = &smmu->strtab_cfg;
unsigned int last_sid_idx =
- arm_smmu_strtab_l1_idx((1 << smmu->sid_bits) - 1);
+ arm_smmu_strtab_l1_idx((1ULL << smmu->sid_bits) - 1);
/* Calculate the L1 size, capped to the SIDSIZE. */
cfg->l2.num_l1_ents = min(last_sid_idx + 1, STRTAB_MAX_L1_ENTRIES);