[RFC PATCH] iommu/arm-smmu: arm_smmu_setup_identity() can be static

[kernel test robot]

Signed-off-by: kernel test robot <lkp@xxxxxxxxx>
---
 arm-smmu.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 2e27cf9815ab6..fb85e716ae9ac 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -1924,7 +1924,7 @@ static int arm_smmu_device_cfg_probe(struct arm_smmu_device *smmu)
 	return 0;
 }
 
-int arm_smmu_setup_identity(struct arm_smmu_device *smmu)
+static int arm_smmu_setup_identity(struct arm_smmu_device *smmu)
 {
 	int i;