kernel test robot throws warning when CONFIG_OF not set. >> drivers/gpu/drm/rockchip/rockchip_vop_reg.c:1038:34: warning: unused variable 'vop_driver_dt_match' [-Wunused-const-variable] static const struct of_device_id vop_driver_dt_match[] = { Fixed it by removing of_match_ptr(). Reported-by: kernel test robot <lkp@xxxxxxxxx> Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx> Cc: Robin Murphy <robin.murphy@xxxxxxx> --- drivers/gpu/drm/rockchip/rockchip_vop_reg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c index ca7cc82125cb..1f7353f0684a 100644 --- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c +++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c @@ -1124,6 +1124,6 @@ struct platform_driver vop_platform_driver = { .remove = vop_remove, .driver = { .name = "rockchip-vop", - .of_match_table = of_match_ptr(vop_driver_dt_match), + .of_match_table = vop_driver_dt_match, }, }; -- 2.25.1