iommu: Make of_device_id array const

Make of_device_id array const, because all OF functions handle it as const.

Signed-off-by: Kiran Padwal <kiran.padwal@smartplayin.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/iommu/tegra-gart.c b/drivers/iommu/tegra-gart.c
index 6f44ebb84047..a6d76abf2c06 100644
--- a/drivers/iommu/tegra-gart.c
+++ b/drivers/iommu/tegra-gart.c
@@ -415,7 +415,7 @@ static const struct dev_pm_ops tegra_gart_pm_ops = {
         .resume         = tegra_gart_resume,
 };
 
-static struct of_device_id tegra_gart_of_match[] = {
+static const struct of_device_id tegra_gart_of_match[] = {
         { .compatible = "nvidia,tegra20-gart", },
         { },
 };