iommu: arm-smmu-v3: make of_device_ids const

of_device_ids are not supposed to change at runtime. All functions
working with of_device_ids provided by <linux/of.h> work with const
of_device_ids. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index 6a06be7626dbebfa61662a42da835b1f6bee93e4..0fd09745822f5cbef0b9d717917067e6ff3c9cf1 100644 (file)
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -2776,7 +2776,7 @@ static int arm_smmu_device_remove(struct platform_device *pdev)
        return 0;
 }
 
-static struct of_device_id arm_smmu_of_match[] = {
+static const struct of_device_id arm_smmu_of_match[] = {
        { .compatible = "arm,smmu-v3", },
        { },
 };