On Wed, Jan 11, 2023 at 4:01 AM kernel test robot <lkp@xxxxxxxxx> wrote: > 126 static inline int > 127 drm_of_get_data_lanes_count_ep(const struct device_node *port, > 128 int port_reg, int reg, > 129 const unsigned int min, > 130 const unsigned int max) > 131 { > 132 return -EINVAL; > 133 } > > 134 struct mipi_dsi_host *drm_of_get_dsi_bus(struct device *dev, > 135 struct mipi_dsi_device_info *info) > 136 { > 137 return ERR_PTR(-EINVAL); > 138 } > 139 #endif This needs to be prefixed "static inline" like the function above, then I bet it works. Yours, Linus Walleij