[plbossart-sound:fix/regmap-gpios 21/23] drivers/gpio/gpio-regmap.c:36:15: warning: comparison is always false due to limited range of data type

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

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tree:   https://github.com/plbossart/sound fix/regmap-gpios
head:   cba51e6099379d0d8b110c035e25736598a357dc
commit: 1b4257efce7e5ec1a01dffb723bbed65e26cc338 [21/23] transition to gpio_regmap
config: sparc64-randconfig-c021-20200528 (attached as .config)
compiler: sparc64-linux-gcc (GCC) 9.3.0

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

All warnings (new ones prefixed by >>, old ones prefixed by <<):

drivers/gpio/gpio-regmap.c: In function 'gpio_regmap_addr':
>> drivers/gpio/gpio-regmap.c:36:15: warning: comparison is always false due to limited range of data type [-Wtype-limits]
36 |  return (addr == GPIO_REGMAP_ADDR_ZERO) ? 0 : addr;
|               ^~

vim +36 drivers/gpio/gpio-regmap.c

176fcd6a2c030b Michael Walle 2020-05-25  33  
176fcd6a2c030b Michael Walle 2020-05-25  34  static unsigned int gpio_regmap_addr(unsigned int addr)
176fcd6a2c030b Michael Walle 2020-05-25  35  {
176fcd6a2c030b Michael Walle 2020-05-25 @36  	return (addr == GPIO_REGMAP_ADDR_ZERO) ? 0 : addr;
176fcd6a2c030b Michael Walle 2020-05-25  37  }
176fcd6a2c030b Michael Walle 2020-05-25  38  

:::::: The code at line 36 was first introduced by commit
:::::: 176fcd6a2c030b65a0f99743fa8af2e2a7146788 gpio: add a reusable generic gpio_chip using regmap

:::::: TO: Michael Walle <michael@walle.cc>
:::::: CC: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>

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

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