Hi Arnd, FYI, kernel build failed on tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc.git testing/defconfig-warnings head: 74c41fb6f52268470b4552ca543515be210c71fb commit: 3dfcda60868329af1bb3cc867ee7c7ebedef5176 [46/47] input: egalax: use DT to get gpio line config: m68k-allmodconfig (attached as .config) All related error/warning messages: drivers/input/touchscreen/egalax_ts.c: In function 'egalax_ts_probe': drivers/input/touchscreen/egalax_ts.c:184:2: error: implicit declaration of function 'of_get_gpio' [-Werror=implicit-function-declaration] cc1: some warnings being treated as errors vim +184 drivers/input/touchscreen/egalax_ts.c 181 182 ts->client = client; 183 ts->input_dev = input_dev; > 184 ts->gpio = of_get_gpio(client->dev.of_node, 0); 185 186 /* controller may be in sleep, wake it up. */ 187 egalax_wake_up_device(client); --- 0-DAY kernel build testing backend Open Source Technology Centre Fengguang Wu Intel Corporation