linux-kernel - Re: [PATCH 2/2] pinctrl: sprd: Allow the SPRD pinctrl driver building into a module

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Date:   Tue, 3 Mar 2020 14:42:55 +0800
From:   Rong Chen <rong.a.chen@...el.com>
To:     Baolin Wang <baolin.wang7@...il.com>,
        kbuild test robot <lkp@...el.com>
Cc:     kbuild-all@...ts.01.org, Linus Walleij <linus.walleij@...aro.org>,
        Orson Zhai <orsonzhai@...il.com>,
        Chunyan Zhang <zhang.lyra@...il.com>,
        linux-gpio@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] pinctrl: sprd: Allow the SPRD pinctrl driver building
 into a module



On 3/2/20 10:33 AM, Baolin Wang wrote:
> Hi
>
> On Sat, Feb 29, 2020 at 8:41 AM kbuild test robot <lkp@...el.com> wrote:
>> Hi Baolin,
>>
>> I love your patch! Yet something to improve:
>>
>> [auto build test ERROR on pinctrl/devel]
>> [also build test ERROR on v5.6-rc3 next-20200228]
>> [if your patch is applied to the wrong git tree, please drop us a note to help
>> improve the system. BTW, we also suggest to use '--base' option to specify the
>> base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
>>
>> url:    https://github.com/0day-ci/linux/commits/Baolin-Wang/pinctrl-Export-some-needed-symbols-at-module-load-time/20200227-121948
>> base:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git devel
>> config: i386-randconfig-d003-20200229 (attached as .config)
>> compiler: gcc-7 (Debian 7.5.0-5) 7.5.0
>> reproduce:
>>          # save the attached .config to linux build tree
>>          make ARCH=i386
>>
>> If you fix the issue, kindly add following tag
>> Reported-by: kbuild test robot <lkp@...el.com>
>>
>> All errors (new ones prefixed by >>):
>>
>>     drivers/pinctrl/sprd/pinctrl-sprd.c: In function 'sprd_dt_node_to_map':
>>>> drivers/pinctrl/sprd/pinctrl-sprd.c:282:8: error: implicit declaration of function 'pinconf_generic_parse_dt_config'; did you mean 'pinconf_generic_dump_config'? [-Werror=implicit-function-declaration]
>>       ret = pinconf_generic_parse_dt_config(np, pctldev, &configs,
>>             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>             pinconf_generic_dump_config
>>     cc1: some warnings being treated as errors
> I followed your attached configuration, but I can not reproduce your
> building error. Did I miss anything else? Thanks.
>
> CONFIG_PINCTRL=y
> CONFIG_PINMUX=y
> CONFIG_GENERIC_PINMUX_FUNCTIONS=y
> CONFIG_PINCONF=y
> CONFIG_GENERIC_PINCONF=y
> CONFIG_PINCTRL_SPRD=y
> CONFIG_PINCTRL_SPRD_SC9860=y
>

Hi Baolin,

We can reproduce this error with attached config and our branch 
"https://github.com/0day-ci/linux/commits/Baolin-Wang/pinctrl-Export-some-needed-symbols-at-module-load-time/20200227-121948",
could you try again?

Best Regards,
Rong Chen