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SubjectRe: arch/sh/kernel/cpu/sh2/clock-sh7619.o:undefined reference to `followparent_recalc'
On Sun, 21 Apr 2019 04:34:36 +0900,
Randy Dunlap wrote:
>
> On 4/20/19 12:40 AM, kbuild test robot wrote:
> > 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: 371dd432ab39f7bc55d6ec77d63b430285627e04
> > commit: acaf892ecbf5be7710ae05a61fd43c668f68ad95 sh: fix multiple function definition build errors
> > date: 2 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
>
> Hi,
>
> Once again, the question is the validity of the SH2 .config file in this case
> (that was attached).
>
> I don't believe that it is valid because CONFIG_SH_DEVICE_TREE=y,
> which selects COMMON_CLK, and there is no followparent_recalc() in the
> COMMON_CLK API.
>
> Also, while CONFIG_HAVE_CLK=y, drivers/sh/Makefile prevents that from
> building clk/core.c, which could provide followparent_recalc():
>
> ifneq ($(CONFIG_COMMON_CLK),y)
> obj-$(CONFIG_HAVE_CLK) += clk/
> endif
>
> Hm, maybe that's where the problem is. I'll look into that more.
>

Yes.
Selected target (CONFIG_SH_7619_SOLUTION_ENGINE) is non devicetree
and used superh specific clk modules.
So allyesconfig output is incorrect.

I fixed Kconfig to output the correct config.

>
>
> It would be Good if someone from the SuperH area could/would comment.
>
> Thanks.
>
>
> > If you fix the issue, kindly add following tag
> > Reported-by: kbuild test robot <lkp@intel.com>
> >
> >
> > All errors (new ones prefixed by >>):
> >
> >>> arch/sh/kernel/cpu/sh2/clock-sh7619.o:(.data+0x1c): undefined reference to `followparent_recalc'
> >
> > ---
> > 0-DAY kernel test infrastructure Open Source Technology Center
> > https://lists.01.org/pipermail/kbuild-all Intel Corporation
> >
>
>
> --
> ~Randy

--
Yosinori Sato

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