[krzk-github:n/dts-mfd-rtc-interrupt-level-fixup-exynos-sec-maxim 27/27] drivers/power/supply/max17040_battery.c:365:15: warning: variable 'flags' set but not used

[krzk-github:n/dts-mfd-rtc-interrupt-level-fixup-exynos-sec-maxim 27/27] drivers/power/supply/max17040_battery.c:365:15: warning: variable 'flags' set but not used

[kernel test robot]

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tree:   https://github.com/krzk/linux n/dts-mfd-rtc-interrupt-level-fixup-exynos-sec-maxim
head:   4cb9d4fa11c696c5fffcd097744f1d06360469be
commit: 4cb9d4fa11c696c5fffcd097744f1d06360469be [27/27] power: supply: max17040: Do not enforce (incorrect) interrupt trigger type
config: ia64-randconfig-p001-20201209 (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
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
        # https://github.com/krzk/linux/commit/4cb9d4fa11c696c5fffcd097744f1d06360469be
        git remote add krzk-github https://github.com/krzk/linux
        git fetch --no-tags krzk-github n/dts-mfd-rtc-interrupt-level-fixup-exynos-sec-maxim
        git checkout 4cb9d4fa11c696c5fffcd097744f1d06360469be
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 

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

All warnings (new ones prefixed by >>):

   In file included from arch/ia64/include/asm/pgtable.h:154,
                    from include/linux/pgtable.h:6,
                    from arch/ia64/include/asm/uaccess.h:40,
                    from include/linux/uaccess.h:11,
                    from arch/ia64/include/asm/sections.h:11,
                    from include/linux/interrupt.h:20,
                    from drivers/power/supply/max17040_battery.c:16:
   arch/ia64/include/asm/mmu_context.h: In function 'reload_context':
   arch/ia64/include/asm/mmu_context.h:127:41: warning: variable 'old_rr4' set but not used [-Wunused-but-set-variable]
     127 |  unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4;
         |                                         ^~~~~~~
   drivers/power/supply/max17040_battery.c: In function 'max17040_enable_alert_irq':
>> drivers/power/supply/max17040_battery.c:365:15: warning: variable 'flags' set but not used [-Wunused-but-set-variable]
     365 |  unsigned int flags;
         |               ^~~~~

vim +/flags +365 drivers/power/supply/max17040_battery.c

2e17ed94de68953 Matheus Castello    2019-12-05  361  
2e17ed94de68953 Matheus Castello    2019-12-05  362  static int max17040_enable_alert_irq(struct max17040_chip *chip)
2e17ed94de68953 Matheus Castello    2019-12-05  363  {
2e17ed94de68953 Matheus Castello    2019-12-05  364  	struct i2c_client *client = chip->client;
2e17ed94de68953 Matheus Castello    2019-12-05 @365  	unsigned int flags;
2e17ed94de68953 Matheus Castello    2019-12-05  366  	int ret;
2e17ed94de68953 Matheus Castello    2019-12-05  367  
2e17ed94de68953 Matheus Castello    2019-12-05  368  	flags = IRQF_TRIGGER_FALLING | IRQF_ONESHOT;
2e17ed94de68953 Matheus Castello    2019-12-05  369  	ret = devm_request_threaded_irq(&client->dev, client->irq, NULL,
4cb9d4fa11c696c Krzysztof Kozlowski 2020-12-10  370  					max17040_thread_handler, IRQF_ONESHOT,
2e17ed94de68953 Matheus Castello    2019-12-05  371  					chip->battery->desc->name, chip);
2e17ed94de68953 Matheus Castello    2019-12-05  372  
2e17ed94de68953 Matheus Castello    2019-12-05  373  	return ret;
2e17ed94de68953 Matheus Castello    2019-12-05  374  }
2e17ed94de68953 Matheus Castello    2019-12-05  375  

:::::: The code at line 365 was first introduced by commit
:::::: 2e17ed94de68953b17ed91b64f4bd176cdf38ad4 power: supply: max17040: Add IRQ handler for low SOC alert

:::::: TO: Matheus Castello <matheus@castello.eng.br>
:::::: CC: Sebastian Reichel <sre@kernel.org>

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

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