Hi Chaoyi,

kernel test robot noticed the following build errors:

[auto build test ERROR on next-20250714]
[also build test ERROR on linus/master v6.16-rc6]
[cannot apply to robh/for-next rockchip/for-next krzk/for-next krzk-dt/for-next v6.16-rc6 v6.16-rc5 v6.16-rc4]
[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/Chaoyi-Chen/dt-bindings-connector-Add-displayport-connector-for-hotplug-notify/20250715-192802
base:   next-20250714
patch link:    https://lore.kernel.org/r/20250715112456.101-4-kernel%40airkyi.com
patch subject: [PATCH 3/5] phy: rockchip: phy-rockchip-typec: Add support for Type-C TCPM
config: arm-randconfig-004-20250716 (https://download.01.org/0day-ci/archive/20250716/202507161301.ZhlTOik9-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250716/202507161301.ZhlTOik9-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/202507161301.ZhlTOik9-lkp@intel.com/ (local)

All errors (new ones prefixed by >>):

   arm-linux-gnueabi-ld: drivers/phy/rockchip/phy-rockchip-typec.o: in function `udphy_orien_switch_unregister':

quoted

phy-rockchip-typec.c:(.text.udphy_orien_switch_unregister+0x2): undefined reference to `typec_switch_unregister'

   arm-linux-gnueabi-ld: drivers/phy/rockchip/phy-rockchip-typec.o: in function `tcphy_orien_sw_set':

quoted

phy-rockchip-typec.c:(.text.tcphy_orien_sw_set+0x4): undefined reference to `typec_switch_get_drvdata'

   arm-linux-gnueabi-ld: drivers/phy/rockchip/phy-rockchip-typec.o: in function `rockchip_typec_phy_probe':

quoted

phy-rockchip-typec.c:(.text.rockchip_typec_phy_probe+0x15c): undefined reference to `typec_switch_register'

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