tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   dea8dcf2a9fa8cc540136a6cd885c3beece16ec3
commit: 5dcdafdd30b1babde143ee7086d3de79396d023b usb: phy: tegra: Hook up init/shutdown callbacks
date:   12 months ago
config: mips-randconfig-r013-20201223 (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
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5dcdafdd30b1babde143ee7086d3de79396d023b
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 5dcdafdd30b1babde143ee7086d3de79396d023b
        # 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/mfd/omap-usb-host.o: in function `usbhs_omap_probe':
   omap-usb-host.c:(.text.usbhs_omap_probe+0x5a0): undefined reference to `clk_set_parent'
   mips-linux-ld: omap-usb-host.c:(.text.usbhs_omap_probe+0x5d4): undefined reference to `clk_set_parent'
   mips-linux-ld: omap-usb-host.c:(.text.usbhs_omap_probe+0x5ec): undefined reference to `clk_set_parent'
   mips-linux-ld: omap-usb-host.c:(.text.usbhs_omap_probe+0x610): undefined reference to `clk_set_parent'
   mips-linux-ld: drivers/usb/phy/phy-tegra-usb.o: in function `tegra_usb_phy_init':
>> phy-tegra-usb.c:(.text.tegra_usb_phy_init+0x40): undefined reference to `clk_get_parent'
   mips-linux-ld: drivers/memory/samsung/exynos5422-dmc.o: in function `exynos5_dmc_probe':
   exynos5422-dmc.c:(.text.exynos5_dmc_probe+0x37c): undefined reference to `clk_set_parent'
   mips-linux-ld: drivers/memory/samsung/exynos5422-dmc.o: in function `exynos5_dmc_change_freq_and_volt':
   exynos5422-dmc.c:(.text.exynos5_dmc_change_freq_and_volt+0x114): undefined reference to `clk_set_parent'
   mips-linux-ld: exynos5422-dmc.c:(.text.exynos5_dmc_change_freq_and_volt+0x340): undefined reference to `clk_set_parent'
   mips-linux-ld: drivers/iio/adc/ingenic-adc.o: in function `jz4770_adc_init_clk_div':
   ingenic-adc.c:(.text.jz4770_adc_init_clk_div+0x10): undefined reference to `clk_get_parent'
   mips-linux-ld: drivers/iio/adc/ingenic-adc.o: in function `jz4725b_adc_init_clk_div':
   ingenic-adc.c:(.text.jz4725b_adc_init_clk_div+0x10): undefined reference to `clk_get_parent'

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