Hi Frank,

kernel test robot noticed the following build errors:

[auto build test ERROR on pci/next]
[also build test ERROR on pci/for-linus linus/master v6.7-rc4 next-20231207]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Frank-Li/PCI-imx6-Simplify-clock-handling-by-using-HAS_CLK_-bitmask/20231207-000209
base:   https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next
patch link:    https://lore.kernel.org/r/20231206155903.566194-7-Frank.Li%40nxp.com
patch subject: [PATCH 6/9] PCI: imx6: Simplify configure_type() by using mode_off and mode_mask
config: arm-randconfig-002-20231207 (https://download.01.org/0day-ci/archive/20231207/202312071824.0niFJcYw-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231207/202312071824.0niFJcYw-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot [off-list ref]
| Closes: https://lore.kernel.org/oe-kbuild-all/202312071824.0niFJcYw-lkp@intel.com/ (local)

All errors (new ones prefixed by >>):

   arm-linux-gnueabi-ld: drivers/pci/controller/dwc/pci-imx6.o: in function `imx6_pcie_init_phy':

quoted

pci-imx6.c:(.text+0xc40): undefined reference to `__ffsdi2'

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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