linux-kernel - Re: [PATCH 5/5] gpio: ws16c48: Add support for GPIO names

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Date:   Tue, 31 Jan 2017 01:59:49 +0800
From:   kbuild test robot <lkp@...el.com>
To:     William Breathitt Gray <vilhelm.gray@...il.com>
Cc:     kbuild-all@...org, linus.walleij@...aro.org, gnurou@...il.com,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        William Breathitt Gray <vilhelm.gray@...il.com>
Subject: Re: [PATCH 5/5] gpio: ws16c48: Add support for GPIO names

Hi William,

[auto build test ERROR on gpio/for-next]
[also build test ERROR on next-20170130]
[cannot apply to v4.10-rc6]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/William-Breathitt-Gray/gpio-Add-support-for-GPIO-names-for-several-ISA_BUS_API-drivers/20170131-013038
base:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git for-next
config: i386-randconfig-x003-201705 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/gpio/gpio-ws16c48.c: In function 'ws16c48_probe':
>> drivers/gpio/gpio-ws16c48.c:381:28: error: 'ws16c48_names' undeclared (first use in this function)
     ws16c48gpio->chip.names = ws16c48_names;
                               ^~~~~~~~~~~~~
   drivers/gpio/gpio-ws16c48.c:381:28: note: each undeclared identifier is reported only once for each function it appears in
   At top level:
   drivers/gpio/gpio-ws16c48.c:345:20: warning: 'ws14c48_names' defined but not used [-Wunused-variable]
    static const char *ws14c48_names[WS16C48_NGPIO] = {
                       ^~~~~~~~~~~~~

vim +/ws16c48_names +381 drivers/gpio/gpio-ws16c48.c

   375	
   376		ws16c48gpio->chip.label = name;
   377		ws16c48gpio->chip.parent = dev;
   378		ws16c48gpio->chip.owner = THIS_MODULE;
   379		ws16c48gpio->chip.base = -1;
   380		ws16c48gpio->chip.ngpio = WS16C48_NGPIO;
 > 381		ws16c48gpio->chip.names = ws16c48_names;
   382		ws16c48gpio->chip.get_direction = ws16c48_gpio_get_direction;
   383		ws16c48gpio->chip.direction_input = ws16c48_gpio_direction_input;
   384		ws16c48gpio->chip.direction_output = ws16c48_gpio_direction_output;

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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