linux-kernel - sh4-linux-gnu-ld: arch/sh/kernel/cpu/sh2/clock-sh7619.o:undefined reference to `followparent

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Message-ID: <201904301231.JpYYMMcK%lkp@intel.com>
Date:   Tue, 30 Apr 2019 12:48:34 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>
Subject: sh4-linux-gnu-ld: arch/sh/kernel/cpu/sh2/clock-sh7619.o:undefined
 reference to `followparent_recalc'

Hi Randy,

It's probably a bug fix that unveils the link errors.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   83a50840e72a5a964b4704fcdc2fbb2d771015ab
commit: acaf892ecbf5be7710ae05a61fd43c668f68ad95 sh: fix multiple function definition build errors
date:   3 weeks ago
config: sh-allmodconfig (attached as .config)
compiler: sh4-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout acaf892ecbf5be7710ae05a61fd43c668f68ad95
        # save the attached .config to linux build tree
        GCC_VERSION=7.2.0 make.cross ARCH=sh 

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

All errors (new ones prefixed by >>):

>> sh4-linux-gnu-ld: arch/sh/kernel/cpu/sh2/clock-sh7619.o:(.data+0x1c): undefined reference to `followparent_recalc'

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