The driver can be compile tested with !CONFIG_OF making certain data unused: drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c:627:34: error: ‘mdp_sub_comp_dt_ids’ defined but not used [-Werror=unused-const-variable=] Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> --- drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c index 091a68685590..817ba9660b5f 100644 --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c @@ -604,7 +604,7 @@ static const struct mdp_comp_match mdp_comp_matches[MDP_MAX_COMP_COUNT] = { [MDP_COMP_WDMA] = { MDP_COMP_TYPE_WDMA, 0 }, }; -static const struct of_device_id mdp_comp_dt_ids[] = { +static const struct of_device_id mdp_comp_dt_ids[] __maybe_unused = { { .compatible = "mediatek,mt8183-mdp3-rdma", .data = (void *)MDP_COMP_TYPE_RDMA, @@ -624,7 +624,7 @@ static const struct of_device_id mdp_comp_dt_ids[] = { {} }; -static const struct of_device_id mdp_sub_comp_dt_ids[] = { +static const struct of_device_id mdp_sub_comp_dt_ids[] __maybe_unused = { { .compatible = "mediatek,mt8183-mdp3-wdma", .data = (void *)MDP_COMP_TYPE_PATH, -- 2.34.1