Hi William, kernel test robot noticed the following build warnings: [auto build test WARNING on broonie-spi/for-next] [also build test WARNING on linus/master v6.4-rc4 next-20230602] [cannot apply to robh/for-next] [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/William-Qiu/dt-bindings-qspi-cdns-qspi-nor-Add-clocks-for-StarFive-JH7110-SoC/20230602-165251 base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next patch link: https://lore.kernel.org/r/20230602084925.215411-3-william.qiu%40starfivetech.com patch subject: [PATCH v2 2/3] spi: cadence-quadspi: Add clock configuration for StarFive JH7110 QSPI config: powerpc-allyesconfig (https://download.01.org/0day-ci/archive/20230602/202306022017.UbwjjWRN-lkp@xxxxxxxxx/config) compiler: powerpc-linux-gcc (GCC) 12.3.0 reproduce (this is a W=1 build): mkdir -p ~/bin wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/6bbd49e32d407d210b6ea322696cef2e49bf3fa1 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review William-Qiu/dt-bindings-qspi-cdns-qspi-nor-Add-clocks-for-StarFive-JH7110-SoC/20230602-165251 git checkout 6bbd49e32d407d210b6ea322696cef2e49bf3fa1 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=powerpc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/spi/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202306022017.UbwjjWRN-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/spi/spi-cadence-quadspi.c: In function 'cqspi_resume': >> drivers/spi/spi-cadence-quadspi.c:1873:17: warning: ignoring return value of 'clk_bulk_prepare_enable' declared with attribute 'warn_unused_result' [-Wunused-result] 1873 | clk_bulk_prepare_enable(cqspi->num_clks, cqspi->clks); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +1873 drivers/spi/spi-cadence-quadspi.c 1865 1866 static int cqspi_resume(struct device *dev) 1867 { 1868 struct cqspi_st *cqspi = dev_get_drvdata(dev); 1869 struct spi_master *master = dev_get_drvdata(dev); 1870 1871 clk_prepare_enable(cqspi->clk); 1872 if (of_device_is_compatible(dev->of_node, "starfive,jh7110-qspi")) > 1873 clk_bulk_prepare_enable(cqspi->num_clks, cqspi->clks); 1874 cqspi_wait_idle(cqspi); 1875 cqspi_controller_init(cqspi); 1876 1877 cqspi->current_cs = -1; 1878 cqspi->sclk = 0; 1879 1880 return spi_master_resume(master); 1881 } 1882 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki