[PATCH v2 2/5] phy: rockchip: phy-rockchip-typec: Add typec_mux/typec_switch support

[kernel test robot]

Hi Chaoyi,

kernel test robot noticed the following build errors:

[auto build test ERROR on next-20250717]
[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-phy-rockchip-rk3399-typec-phy-Support-mode-switch/20250718-142814
base:   next-20250717
patch link:    https://lore.kernel.org/r/20250718062619.99-3-kernel%40airkyi.com
patch subject: [PATCH v2 2/5] phy: rockchip: phy-rockchip-typec: Add typec_mux/typec_switch support
config: arm64-randconfig-004-20250719 (https://download.01.org/0day-ci/archive/20250719/202507191526.Ts6qTQJj-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250719/202507191526.Ts6qTQJj-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 <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202507191526.Ts6qTQJj-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: typec_mux_register
   >>> referenced by phy-rockchip-typec.c
   >>>               drivers/phy/rockchip/phy-rockchip-typec.o:(rockchip_typec_phy_probe) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: typec_mux_unregister
   >>> referenced by phy-rockchip-typec.c
   >>>               drivers/phy/rockchip/phy-rockchip-typec.o:(rockchip_typec_phy_probe) in archive vmlinux.a
   >>> referenced by phy-rockchip-typec.c
   >>>               drivers/phy/rockchip/phy-rockchip-typec.o:(tcphy_typec_mux_unregister) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: typec_mux_get_drvdata
   >>> referenced by phy-rockchip-typec.c
   >>>               drivers/phy/rockchip/phy-rockchip-typec.o:(tcphy_typec_mux_set) in archive vmlinux.a

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