On Tue, 1 Nov 2022 18:36:14 +0800 kernel test robot <lkp@xxxxxxxxx> wrote: > Hi Leonard, > > I love your patch! Perhaps something to improve: > > [auto build test WARNING on jic23-iio/togreg] > [also build test WARNING on linus/master v6.1-rc3 next-20221101] > [If your patch is applied to the wrong git tree, kindly drop us a note. > And when submitting patch, we suggest to use '--base' as documented in > https://git-scm.com/docs/git-format-patch#_base_tree_information] > > url: https://github.com/intel-lab-lkp/linux/commits/Leonard-G-hrs/dt-bindings-iio-adc-add-TI-LMP92064-controller/20221101-145036 > base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg > patch link: https://lore.kernel.org/r/20221101064804.720050-2-l.goehrs%40pengutronix.de > patch subject: [PATCH v2 2/2] iio: adc: add ADC driver for the TI LMP92064 controller > config: x86_64-allyesconfig > compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 > reproduce (this is a W=1 build): > # https://github.com/intel-lab-lkp/linux/commit/4b264b5bc9425f051a3ce5c5a9a30a66d3a0a477 > git remote add linux-review https://github.com/intel-lab-lkp/linux > git fetch --no-tags linux-review Leonard-G-hrs/dt-bindings-iio-adc-add-TI-LMP92064-controller/20221101-145036 > git checkout 4b264b5bc9425f051a3ce5c5a9a30a66d3a0a477 > # save the config file > mkdir build_dir && cp config build_dir/.config > make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/iio/adc/ > > If you fix the issue, kindly add following tag where applicable > | Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All warnings (new ones prefixed by >>): > > drivers/iio/adc/ti-lmp92064.c: In function 'lmp92064_adc_probe': > drivers/iio/adc/ti-lmp92064.c:267:15: error: implicit declaration of function 'devm_regulator_get_enable'; did you mean 'devm_regulator_get_optional'? [-Werror=implicit-function-declaration] > 267 | ret = devm_regulator_get_enable(dev, "vdd"); > | ^~~~~~~~~~~~~~~~~~~~~~~~~ > | devm_regulator_get_optional That's odd. it's definitely in the trees referenced above and there are stubs for when regulator support isn't built. No idea... > At top level: > >> drivers/iio/adc/ti-lmp92064.c:293:35: warning: 'lmp92064_id_table' defined but not used [-Wunused-const-variable=] > 293 | static const struct spi_device_id lmp92064_id_table[] = { > | ^~~~~~~~~~~~~~~~~ > cc1: some warnings being treated as errors This one is obvious though as the relevant entry in the struct spi_driver is not set. > > > vim +/lmp92064_id_table +293 drivers/iio/adc/ti-lmp92064.c > > 292 > > 293 static const struct spi_device_id lmp92064_id_table[] = { > 294 { "lmp92064", 0 }, > 295 {} > 296 }; > 297 MODULE_DEVICE_TABLE(spi, lmp92064_id_table); > 298 >
