linux-kernel - Re: [PATCH 2/2] pwm: sophgo: add driver for Sophgo SG2042 PWM

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Message-ID: <202409080100.h6lX5Asm-lkp@intel.com>
Date: Sun, 8 Sep 2024 01:58:18 +0800
From: kernel test robot <lkp@...el.com>
To: Chen Wang <unicornxw@...il.com>, ukleinek@...nel.org, robh@...nel.org,
	krzk+dt@...nel.org, conor+dt@...nel.org, unicorn_wang@...look.com,
	inochiama@...look.com, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-pwm@...r.kernel.org,
	linux-riscv@...ts.infradead.org, chao.wei@...hgo.com,
	haijiao.liu@...hgo.com, xiaoguang.xing@...hgo.com,
	chunzhi.lin@...hgo.com
Cc: oe-kbuild-all@...ts.linux.dev
Subject: Re: [PATCH 2/2] pwm: sophgo: add driver for Sophgo SG2042 PWM

Hi Chen,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 431c1646e1f86b949fa3685efc50b660a364c2b6]

url:    https://github.com/intel-lab-lkp/linux/commits/Chen-Wang/dt-bindings-pwm-sophgo-add-bindings-for-sg2042/20240905-201303
base:   431c1646e1f86b949fa3685efc50b660a364c2b6
patch link:    https://lore.kernel.org/r/3985690b29340982a45314bdcc914c554621e909.1725536870.git.unicorn_wang%40outlook.com
patch subject: [PATCH 2/2] pwm: sophgo: add driver for Sophgo SG2042 PWM
config: m68k-randconfig-r133-20240907 (https://download.01.org/0day-ci/archive/20240908/202409080100.h6lX5Asm-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 14.1.0
reproduce: (https://download.01.org/0day-ci/archive/20240908/202409080100.h6lX5Asm-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202409080100.h6lX5Asm-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/pwm/pwm-sophgo-sg2042.c:99:34: warning: 'sg2042_pwm_match' defined but not used [-Wunused-const-variable=]
      99 | static const struct of_device_id sg2042_pwm_match[] = {
         |                                  ^~~~~~~~~~~~~~~~


vim +/sg2042_pwm_match +99 drivers/pwm/pwm-sophgo-sg2042.c

    98	
  > 99	static const struct of_device_id sg2042_pwm_match[] = {
   100		{ .compatible = "sophgo,sg2042-pwm" },
   101		{ },
   102	};
   103	MODULE_DEVICE_TABLE(of, sg2042_pwm_match);
   104	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki