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

Le mer. 9 sept. 2020 à 10:28, kernel test robot <lkp@intel.com> 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@intel.com>
>
> 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


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