MLX4_DEV_CAP_FLAG_SENSE_SUPPORT
!(mdev->caps.flags & MLX4_DEV_CAP_FLAG_SENSE_SUPPORT)) {
dev->caps.flags |= MLX4_DEV_CAP_FLAG_SENSE_SUPPORT;
dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_SENSE_SUPPORT;
(dev->caps.flags & MLX4_DEV_CAP_FLAG_SENSE_SUPPORT));