Re: drivers/gpu/drm/ingenic/ingenic-drm-drv.c:undefined reference to `clk_get_parent'

[Rong Chen]

On 9/15/20 9:20 PM, Paul Cercueil wrote:
> Hi,
>
> Le mer. 9 sept. 2020 à 10:28, kernel test robot <lkp@xxxxxxxxx> a écrit :
> > Hi Paul,
> >
> > First bad commit (maybe != root cause):
> >
> > tree: 
> > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
> > master
> > head:   34d4ddd359dbcdf6c5fb3f85a179243d7a1cb7f8
> > commit: 54fe894219903e32f5154265f46ed1eb5cdc2f5f drm/ingenic: Rename 
> > ingenic-drm.c to ingenic-drm-drv.c
> > date:   8 weeks ago
> > config: mips-randconfig-r022-20200909 (attached as .config)
> > compiler: mips-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
> >         git checkout 54fe894219903e32f5154265f46ed1eb5cdc2f5f
> >         # save the attached .config to linux build tree
> >         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 
> > make.cross ARCH=mips
> >
> > If you fix the issue, kindly add following tag as appropriate
> > Reported-by: kernel test robot <lkp@xxxxxxxxx>
> >
> > All errors (new ones prefixed by >>):
> >
> >    mips-linux-ld: drivers/gpu/drm/ingenic/ingenic-drm-drv.o: in 
> > function `ingenic_drm_probe':
> > > >  drivers/gpu/drm/ingenic/ingenic-drm-drv.c:(.text+0xc90): undefined 
> > > > reference to `clk_get_parent'
> >    mips-linux-ld: drivers/mmc/host/mtk-sd.o: in function 
> > `msdc_set_mclk':
> >    drivers/mmc/host/mtk-sd.c:(.text+0x26fc): undefined reference to 
> > `clk_get_parent'
> >    mips-linux-ld: drivers/mmc/host/mtk-sd.c:(.text+0x27c0): undefined 
> > reference to `clk_get_parent'
>
> clk_get_parent() is either provided if CONFIG_HAVE_CLK, or it's a 
> inline dummy in clk.h otherwise. Given it chokes on other drivers too, 
> I would say this is a false positive.
>
> -Paul

Hi Paul,

Sorry for the inconvenience, the bot can't distinguish the errors yet if 
only file name changed.
we'll continue to improve it.

Best Regards,
Rong Chen