tree: https://github.com/thesofproject/linux pr/2088 head: 46485377528ea8f4848509ce24481fa0ff22d285 commit: 3694409e455802505a693315171036dfb80650e4 [1/10] soundwire: bus: rename sdw_bus_master_add/delete config: arm64-sof-customedconfig-nobloat-imx-defconfig (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 3694409e455802505a693315171036dfb80650e4 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>, old ones prefixed by <<): drivers/soundwire/qcom.c: In function 'qcom_swrm_remove': 881 | sdw_delete_bus_master(&ctrl->bus); | ^~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/sdw_delete_bus_master +881 drivers/soundwire/qcom.c 02efb49aa805cee Srinivas Kandagatla 2020-01-13 875 02efb49aa805cee Srinivas Kandagatla 2020-01-13 876 static int qcom_swrm_remove(struct platform_device *pdev) 02efb49aa805cee Srinivas Kandagatla 2020-01-13 877 { 02efb49aa805cee Srinivas Kandagatla 2020-01-13 878 struct qcom_swrm_ctrl *ctrl = dev_get_drvdata(&pdev->dev); 5156c376c827fdc Pierre-Louis Bossart 2020-03-17 879 int err; 02efb49aa805cee Srinivas Kandagatla 2020-01-13 880 02efb49aa805cee Srinivas Kandagatla 2020-01-13 @881 sdw_delete_bus_master(&ctrl->bus); 5156c376c827fdc Pierre-Louis Bossart 2020-03-17 882 err = sdw_master_device_del(ctrl->md); 5156c376c827fdc Pierre-Louis Bossart 2020-03-17 883 if (err < 0) 5156c376c827fdc Pierre-Louis Bossart 2020-03-17 884 dev_err(&pdev->dev, "master device del failed %d\n", err); 02efb49aa805cee Srinivas Kandagatla 2020-01-13 885 clk_disable_unprepare(ctrl->hclk); 02efb49aa805cee Srinivas Kandagatla 2020-01-13 886 02efb49aa805cee Srinivas Kandagatla 2020-01-13 887 return 0; 02efb49aa805cee Srinivas Kandagatla 2020-01-13 888 } 02efb49aa805cee Srinivas Kandagatla 2020-01-13 889 :::::: The code at line 881 was first introduced by commit :::::: 02efb49aa805cee643a643ab61a1118c2fd08b80 soundwire: qcom: add support for SoundWire controller :::::: TO: Srinivas Kandagatla <srinivas.kandagatla(a)linaro.org&gt; :::::: CC: Vinod Koul <vkoul(a)kernel.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org