linux-kernel - Re: [PATCH 3/5] mfd: Add RTL8231 core device

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Date:   Wed, 19 May 2021 17:11:32 +0200
From:   Sander Vanheule <sander@...nheule.net>
To:     Lee Jones <lee.jones@...aro.org>, kernel test robot <lkp@...el.com>
Cc:     Pavel Machek <pavel@....cz>, Rob Herring <robh+dt@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-leds@...r.kernel.org, devicetree@...r.kernel.org,
        linux-gpio@...r.kernel.org, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/5] mfd: Add RTL8231 core device

On Wed, 2021-05-19 at 15:58 +0100, Lee Jones wrote:
> On Wed, 12 May 2021, kernel test robot wrote:
> 
> > Hi Sander,
> > 
> > Thank you for the patch! Yet something to improve:
> > 
> > [auto build test ERROR on pavel-linux-leds/for-next]
> > [also build test ERROR on lee-mfd/for-mfd-next pinctrl/devel v5.13-rc1]
> > [If your patch is applied to the wrong git tree, kindly drop us a note.
> > And when submitting patch, we suggest to use '--base' as documented in
> > https://git-scm.com/docs/git-format-patch]
> > 
> > url:   
> > https://github.com/0day-ci/linux/commits/Sander-Vanheule/RTL8231-GPIO-expander-support/20210511-202618
> > base:   git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds.git
> > for-next
> > config: h8300-randconfig-r012-20210512 (attached as .config)
> > compiler: h8300-linux-gcc (GCC) 9.3.0
> > reproduce (this is a W=1 build):
> >         wget
> > https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
> > ~/bin/make.cross
> >         chmod +x ~/bin/make.cross
> >         #
> > https://github.com/0day-ci/linux/commit/e031cc2da2c2948230bacd1ca56cfe9990e1aefd
> >         git remote add linux-review https://github.com/0day-ci/linux
> >         git fetch --no-tags linux-review Sander-Vanheule/RTL8231-GPIO-
> > expander-support/20210511-202618
> >         git checkout e031cc2da2c2948230bacd1ca56cfe9990e1aefd
> >         # save the attached .config to linux build tree
> >         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1
> > ARCH=h8300 
> > 
> > If you fix the issue, kindly add following tag as appropriate
> > Reported-by: kernel test robot <lkp@...el.com>
> > 
> > All errors (new ones prefixed by >>):
> > 
> >    h8300-linux-ld: drivers/mfd/rtl8231.o: in function
> > `rtl8231_mdio_reg_write':
> > > > rtl8231.c:(.text+0x4f): undefined reference to `mdiobus_write'
> >    h8300-linux-ld: drivers/mfd/rtl8231.o: in function `rtl8231_mdio_reg_read':
> > > > rtl8231.c:(.text+0x75): undefined reference to `mdiobus_read'
> >    h8300-linux-ld: drivers/mfd/rtl8231.o: in function `mdio_module_init':
> > > > rtl8231.c:(.init.text+0xd): undefined reference to `mdio_driver_register'
> > 
> > ---
> > 0-DAY CI Kernel Test Service, Intel Corporation
> > https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
> 
> Please could you take a look at these failures.
> 
> Either fix them up or report a false positive.

Hi Lee,

These were caused by a missing dependency on MDIO_BUS. This should be resolved
in the v2 series.

https://lore.kernel.org/lkml/f1ca940216c0accfc804afee2dbe46d260d890ae.1621279162.git.sander@svanheule.net/

I wasn't sure how to attribute this to the test bot, since the depedency was
partly resolved through another patch.

Best,
Sander