linux-kernel - Re: [PATCH] regulator: rk808: Convert to use regulator_set_ramp_delay

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Date:   Tue, 25 May 2021 21:54:39 +0800
From:   kernel test robot <lkp@...el.com>
To:     Axel Lin <axel.lin@...ics.com>, Mark Brown <broonie@...nel.org>
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        Chris Zhong <zyw@...k-chips.com>,
        Heiko Stuebner <heiko@...ech.de>,
        Liam Girdwood <lgirdwood@...il.com>,
        linux-kernel@...r.kernel.org, Axel Lin <axel.lin@...ics.com>
Subject: Re: [PATCH] regulator: rk808: Convert to use
 regulator_set_ramp_delay_regmap

Hi Axel,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on regulator/for-next]
[also build test WARNING on v5.13-rc3 next-20210525]
[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]

url:    https://github.com/0day-ci/linux/commits/Axel-Lin/regulator-rk808-Convert-to-use-regulator_set_ramp_delay_regmap/20210525-183912
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git for-next
config: x86_64-randconfig-r002-20210525 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 99155e913e9bad5f7f8a247f8bb3a3ff3da74af1)
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 x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://github.com/0day-ci/linux/commit/7455e23c1f5517ad398e81f902db347870905668
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Axel-Lin/regulator-rk808-Convert-to-use-regulator_set_ramp_delay_regmap/20210525-183912
        git checkout 7455e23c1f5517ad398e81f902db347870905668
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> drivers/regulator/rk808-regulator.c:161:18: warning: unused variable 'rk808_buck_config_regs' [-Wunused-const-variable]
   static const int rk808_buck_config_regs[] = {
                    ^
   1 warning generated.


vim +/rk808_buck_config_regs +161 drivers/regulator/rk808-regulator.c

bad47ad2eef341 Chris Zhong   2015-07-20  160  
8af252272a0d63 Doug Anderson 2014-09-16 @161  static const int rk808_buck_config_regs[] = {
8af252272a0d63 Doug Anderson 2014-09-16  162  	RK808_BUCK1_CONFIG_REG,
8af252272a0d63 Doug Anderson 2014-09-16  163  	RK808_BUCK2_CONFIG_REG,
8af252272a0d63 Doug Anderson 2014-09-16  164  	RK808_BUCK3_CONFIG_REG,
8af252272a0d63 Doug Anderson 2014-09-16  165  	RK808_BUCK4_CONFIG_REG,
8af252272a0d63 Doug Anderson 2014-09-16  166  };
8af252272a0d63 Doug Anderson 2014-09-16  167  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (37575 bytes)