tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   e28c0d7c92c89016c12a677616668957351e7542
commit: 91687c1926bcd6b80d669375d57331b7bf80bf99 usb: phy: Enable compile testing for some of drivers
date:   11 months ago
config: mips-randconfig-c003-20201104 (attached as .config)
compiler: mipsel-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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=91687c1926bcd6b80d669375d57331b7bf80bf99
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 91687c1926bcd6b80d669375d57331b7bf80bf99
        # 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 >>):

   mipsel-linux-ld: drivers/gpu/drm/exynos/exynos_mixer.o: in function `mixer_bind':
   exynos_mixer.c:(.text+0x97c): undefined reference to `clk_set_parent'
   mipsel-linux-ld: drivers/gpu/drm/exynos/exynos_hdmi.o: in function `hdmi_clk_set_parents':
   exynos_hdmi.c:(.text+0x374): undefined reference to `clk_set_parent'
   mipsel-linux-ld: drivers/gpu/drm/ingenic/ingenic-drm.o: in function `ingenic_drm_probe':
   ingenic-drm.c:(.text+0xf40): undefined reference to `clk_get_parent'
   mipsel-linux-ld: drivers/usb/phy/phy-tegra-usb.o: in function `tegra_usb_phy_probe':
>> phy-tegra-usb.c:(.text+0x6cc): undefined reference to `clk_get_parent'
   mipsel-linux-ld: sound/soc/meson/axg-tdm-formatter.o: in function `axg_tdm_formatter_event':
   (.text+0x7ec): undefined reference to `clk_set_parent'
   mipsel-linux-ld: (.text+0x940): undefined reference to `clk_set_parent'
   mipsel-linux-ld: sound/soc/sh/fsi.o: in function `fsi_clk_set_rate_external':
   fsi.c:(.text+0x2728): undefined reference to `clk_set_parent'
   mipsel-linux-ld: sound/soc/stm/stm32_i2s.o: in function `stm32_i2s_hw_params':
   stm32_i2s.c:(.text+0x16b4): undefined reference to `clk_set_parent'
   mipsel-linux-ld: stm32_i2s.c:(.text+0x1820): undefined reference to `clk_set_parent'
   mipsel-linux-ld: sound/soc/ti/davinci-mcasp.o:davinci-mcasp.c:(.text+0x1f28): more undefined references to `clk_set_parent' follow
   mipsel-linux-ld: sound/soc/ti/omap-dmic.o: in function `omap_dmic_set_dai_sysclk':
   omap-dmic.c:(.text+0xa98): undefined reference to `clk_get_parent'
   mipsel-linux-ld: omap-dmic.c:(.text+0xadc): undefined reference to `clk_set_parent'
   mipsel-linux-ld: omap-dmic.c:(.text+0xbb8): undefined reference to `clk_set_parent'
   mipsel-linux-ld: sound/soc/ti/omap-mcbsp.o: in function `omap2_mcbsp_set_clks_src':
   omap-mcbsp.c:(.text+0x7ac): undefined reference to `clk_set_parent'

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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org