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

From: William Qiu <william.qiu@starfivetech.com>
To: kernel test robot <lkp@intel.com>, <devicetree@vger.kernel.org>,
	<linux-spi@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<linux-riscv@lists.infradead.org>
Cc: <oe-kbuild-all@lists.linux.dev>, Mark Brown <broonie@kernel.org>,
	"Rob Herring" <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	"Conor Dooley" <conor+dt@kernel.org>,
	Emil Renner Berthing <kernel@esmil.dk>,
	Ziv Xu <ziv.xu@starfivetech.com>
Subject: Re: [PATCH v2 2/3] spi: cadence-quadspi: Add clock configuration for StarFive JH7110 QSPI
Date: Tue, 6 Jun 2023 11:32:20 +0800	[thread overview]
Message-ID: <4253cd7d-c295-775d-af32-68b3de347461@starfivetech.com> (raw)
In-Reply-To: <202306022017.UbwjjWRN-lkp@intel.com>

On 2023/6/2 20:33, kernel test robot wrote:
> 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	
> 

Thanks about that. I'll fix it in next version.

Best Regards,
William