Hi Paul,

I love your patch! Yet something to improve:

[auto build test ERROR on clk/clk-next]
[also build test ERROR on linus/master v5.12-rc2]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Paul-Cercueil/mmc-jz4740-Support-PLL-frequency-changes/20210308-010934
base:   https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-next
config: mips-allmodconfig (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://github.com/0day-ci/linux/commit/a639c4eca022073332cb4ebbdf280dc90e438a2a
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Paul-Cercueil/mmc-jz4740-Support-PLL-frequency-changes/20210308-010934
        git checkout a639c4eca022073332cb4ebbdf280dc90e438a2a
        # 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 >>, old ones prefixed by <<):

>> ERROR: modpost: "clk_get_first_to_set_rate" [drivers/mmc/host/jz4740_mmc.ko] undefined!

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