Hi, On 1/28/23 08:35, kernel test robot wrote: > Hi Hans, > > I love your patch! Yet something to improve: > > [auto build test ERROR on linus/master] > [also build test ERROR on v6.2-rc5] > [cannot apply to media-tree/master] > [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/Hans-de-Goede/media-v4l2-core-Make-the-v4l2-core-code-enable-disable-the-privacy-LED-if-present/20230128-131233 > patch link: https://lore.kernel.org/r/20230127203729.10205-2-hdegoede%40redhat.com > patch subject: [PATCH v6 1/5] media: v4l2-core: Make the v4l2-core code enable/disable the privacy LED if present > config: riscv-randconfig-r026-20230123 (https://download.01.org/0day-ci/archive/20230128/202301281534.9Z8xRsrX-lkp@xxxxxxxxx/config) > compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 4196ca3278f78c6e19246e54ab0ecb364e37d66a) > reproduce (this is a W=1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # install riscv cross compiling tool for clang build > # apt-get install binutils-riscv64-linux-gnu > # https://github.com/intel-lab-lkp/linux/commit/000ccec1824b3256e3fc1a94079bb953f19faab5 > git remote add linux-review https://github.com/intel-lab-lkp/linux > git fetch --no-tags linux-review Hans-de-Goede/media-v4l2-core-Make-the-v4l2-core-code-enable-disable-the-privacy-LED-if-present/20230128-131233 > git checkout 000ccec1824b3256e3fc1a94079bb953f19faab5 > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv olddefconfig > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/media/v4l2-core/ > > If you fix the issue, kindly add following tag where applicable > | Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All errors (new ones prefixed by >>): > >>> drivers/media/v4l2-core/v4l2-subdev.c:1124:20: error: call to undeclared function 'led_get'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] > sd->privacy_led = led_get(sd->dev, "privacy-led"); > ^ >>> drivers/media/v4l2-core/v4l2-subdev.c:1124:18: error: incompatible integer to pointer conversion assigning to 'struct led_classdev *' from 'int' [-Wint-conversion] > sd->privacy_led = led_get(sd->dev, "privacy-led"); > ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > 2 errors generated. As mentioned in the cover-letter this series depends on this immutable-branch: https://lore.kernel.org/platform-driver-x86/Y9QGcA+9nlmOOy2d@xxxxxxxxxx/ That branch not being present in the base used by LKP is what is causing this error. Regards, Hans