tree:   https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.10
head:   dcf05007a9a207a37a6b4daff565e407a7dfaa29
commit: 8a3bceb045805c064fe4516b996a58557c8b4762 [6140/7807] UPSTREAM: drm/ingenic: Reset pixclock rate when parent clock rate changes
config: mips-randconfig-p001-20210421 (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
        git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel
        git fetch --no-tags chrome-os chromeos-5.10
        git checkout 8a3bceb045805c064fe4516b996a58557c8b4762
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 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/ingenic/ingenic-drm-drv.o: in function `ingenic_drm_remove':
   ingenic-drm-drv.c:(.text+0xbf8): undefined reference to `clk_get_parent'
   mipsel-linux-ld: drivers/gpu/drm/ingenic/ingenic-drm-drv.o: in function `ingenic_drm_bind.isra.0':
   ingenic-drm-drv.c:(.text+0x11c8): undefined reference to `clk_get_parent'
>> mipsel-linux-ld: ingenic-drm-drv.c:(.text+0x1294): undefined reference to `clk_get_parent'
   mipsel-linux-ld: drivers/spi/spi-sprd.o: in function `sprd_spi_probe':
   spi-sprd.c:(.text+0xc18): undefined reference to `clk_set_parent'
   mipsel-linux-ld: drivers/iio/adc/ingenic-adc.o: in function `jz4770_adc_init_clk_div':
   ingenic-adc.c:(.text+0xb8): undefined reference to `clk_get_parent'
   mipsel-linux-ld: drivers/iio/adc/ingenic-adc.o: in function `jz4725b_adc_init_clk_div':
   ingenic-adc.c:(.text+0x1d4): undefined reference to `clk_get_parent'
   mipsel-linux-ld: sound/soc/atmel/atmel-i2s.o: in function `atmel_i2s_sama5d2_mck_init':
   atmel-i2s.c:(.text+0x5a0): undefined reference to `clk_set_parent'
   mipsel-linux-ld: sound/soc/atmel/sam9g20_wm8731.o: in function `at91sam9g20ek_audio_probe':
   sam9g20_wm8731.c:(.text+0x350): 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+0xb50): undefined reference to `clk_set_parent'
   mipsel-linux-ld: sound/soc/ti/davinci-mcasp.o: in function `davinci_mcasp_probe':
   davinci-mcasp.c:(.text+0x3500): undefined reference to `clk_set_parent'
   mipsel-linux-ld: sound/soc/ti/omap-dmic.o: in function `omap_dmic_set_dai_sysclk':
   omap-dmic.c:(.text+0x870): undefined reference to `clk_get_parent'
   mipsel-linux-ld: omap-dmic.c:(.text+0x8d4): undefined reference to `clk_set_parent'
   mipsel-linux-ld: omap-dmic.c:(.text+0x924): undefined reference to `clk_set_parent'

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