linux-kernel - Re: [PATCH v2 1/2] mfd: arizona: Update reset pin to use GPIOD

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Date:   Wed, 21 Feb 2018 00:39:40 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Charles Keepax <ckeepax@...nsource.cirrus.com>
Cc:     kbuild-all@...org, lee.jones@...aro.org, robh+dt@...nel.org,
        mark.rutland@....com, linus.walleij@...aro.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        patches@...nsource.cirrus.com
Subject: Re: [PATCH v2 1/2] mfd: arizona: Update reset pin to use GPIOD

Hi Charles,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on ljones-mfd/for-mfd-next]
[also build test ERROR on v4.16-rc2 next-20180220]
[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/Charles-Keepax/mfd-arizona-Update-reset-pin-to-use-GPIOD/20180220-203926
base:   https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next
config: x86_64-randconfig-r0-02202307 (attached as .config)
compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers//mfd/arizona-core.c: In function 'arizona_enable_reset':
>> drivers//mfd/arizona-core.c:281:2: error: implicit declaration of function 'gpiod_set_value_cansleep' [-Werror=implicit-function-declaration]
     gpiod_set_value_cansleep(arizona->pdata.reset, 0);
     ^~~~~~~~~~~~~~~~~~~~~~~~
   drivers//mfd/arizona-core.c: In function 'arizona_of_get_core_pdata':
>> drivers//mfd/arizona-core.c:801:17: error: implicit declaration of function 'devm_gpiod_get_from_of_node' [-Werror=implicit-function-declaration]
     pdata->reset = devm_gpiod_get_from_of_node(arizona->dev,
                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers//mfd/arizona-core.c:804:10: error: 'GPIOD_OUT_LOW' undeclared (first use in this function)
             GPIOD_OUT_LOW,
             ^~~~~~~~~~~~~
   drivers//mfd/arizona-core.c:804:10: note: each undeclared identifier is reported only once for each function it appears in
   drivers//mfd/arizona-core.c: In function 'arizona_dev_init':
>> drivers//mfd/arizona-core.c:1065:26: error: implicit declaration of function 'devm_gpiod_get' [-Werror=implicit-function-declaration]
      arizona->pdata.reset = devm_gpiod_get(arizona->dev, "reset",
                             ^~~~~~~~~~~~~~
   drivers//mfd/arizona-core.c:1066:13: error: 'GPIOD_OUT_LOW' undeclared (first use in this function)
                GPIOD_OUT_LOW);
                ^~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/gpiod_set_value_cansleep +281 drivers//mfd/arizona-core.c

   278	
   279	static inline void arizona_enable_reset(struct arizona *arizona)
   280	{
 > 281		gpiod_set_value_cansleep(arizona->pdata.reset, 0);
   282	}
   283	

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