common/mlx5: fix user mode register access command

[dpdk.git] / drivers / net / mlx5 / linux / mlx5_os.c

diff --git a/drivers/net/mlx5/linux/mlx5_os.c b/drivers/net/mlx5/linux/mlx5_os.c
index fc339af..69123e1 100644 (file)
--- a/drivers/net/mlx5/linux/mlx5_os.c
+++ b/drivers/net/mlx5/linux/mlx5_os.c
@@ -1067,9 +1067,10 @@ err_secondary:
        if (config->devx) {
                uint32_t reg[MLX5_ST_SZ_DW(register_mtutc)];
 
-               err = mlx5_devx_cmd_register_read
-                       (sh->ctx, MLX5_REGISTER_ID_MTUTC, 0,
-                       reg, MLX5_ST_SZ_DW(register_mtutc));
+               err = config->hca_attr.access_register_user ?
+                       mlx5_devx_cmd_register_read
+                               (sh->ctx, MLX5_REGISTER_ID_MTUTC, 0,
+                               reg, MLX5_ST_SZ_DW(register_mtutc)) : ENOTSUP;
                if (!err) {
                        uint32_t ts_mode;