linux-kernel - Re: [PATCH] rtc: i2c/spi: Avoid inclusion of REGMAP support when not needed

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Date:   Mon, 13 Jan 2020 09:29:17 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     kbuild-all@...ts.01.org, Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Akinobu Mita <akinobu.mita@...il.com>,
        Joe Perches <joe@...ches.com>, linux-rtc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: Re: [PATCH] rtc: i2c/spi: Avoid inclusion of REGMAP support when not
 needed

Hi Geert,

I love your patch! Yet something to improve:

[auto build test ERROR on abelloni/rtc-next]
[also build test ERROR on v5.5-rc5 next-20200110]
[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/Geert-Uytterhoeven/rtc-i2c-spi-Avoid-inclusion-of-REGMAP-support-when-not-needed/20200113-013332
base:   https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next
config: arm-mv78xx0_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 7.5.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.5.0 make.cross ARCH=arm 

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

All errors (new ones prefixed by >>):

   drivers/rtc/rtc-ds1307.o: In function `ds1307_probe':
>> rtc-ds1307.c:(.text+0x14f4): undefined reference to `__devm_regmap_init_i2c'

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

Download attachment ".config.gz" of type "application/gzip" (20000 bytes)