Re: [PATCH v2 2/3] spi: cadence-quadspi: Add clock configuration for StarFive JH7110 QSPI

[kernel test robot <lkp@intel.com>]

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@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306022017.UbwjjWRN-lkp@intel.com/

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

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