[intel-linux-intel-lts:5.10/yocto 44/8373] drivers/usb/typec/ccg/hpi.c:500:36: warning: unused variable 'ccg_hpi_acpi_match'

[intel-linux-intel-lts:5.10/yocto 44/8373] drivers/usb/typec/ccg/hpi.c:500:36: warning: unused variable 'ccg_hpi_acpi_match'

[kernel test robot]

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tree:   https://github.com/intel/linux-intel-lts.git 5.10/yocto
head:   4c7b560468a13c89c9ef45855297f384be254e91
commit: 64b3d759e43185dd628b5474ade8d8488d043c25 [44/8373] usb: typec: Driver for Cypress CCG USB Power Delivery Controllers
config: arm-randconfig-r031-20210608 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project d32cc150feb72f315a5bbd34f92e7beca21a50da)
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
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://github.com/intel/linux-intel-lts/commit/64b3d759e43185dd628b5474ade8d8488d043c25
        git remote add intel-linux-intel-lts https://github.com/intel/linux-intel-lts.git
        git fetch --no-tags intel-linux-intel-lts 5.10/yocto
        git checkout 64b3d759e43185dd628b5474ade8d8488d043c25
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   drivers/usb/typec/ccg/hpi.c:173:1: warning: unused function 'hpi_block_read' [-Wunused-function]
   hpi_block_read(struct ccg_hpi *hpi, u16 reg, void *val, size_t len)
   ^
   drivers/usb/typec/ccg/hpi.c:183:19: warning: unused function 'hpi_write16' [-Wunused-function]
   static inline int hpi_write16(struct ccg_hpi *hpi, u16 reg, u16 val)
                     ^
>> drivers/usb/typec/ccg/hpi.c:500:36: warning: unused variable 'ccg_hpi_acpi_match' [-Wunused-const-variable]
   static const struct acpi_device_id ccg_hpi_acpi_match[] = {
                                      ^
   3 warnings generated.


vim +/ccg_hpi_acpi_match +500 drivers/usb/typec/ccg/hpi.c

   499	
 > 500	static const struct acpi_device_id ccg_hpi_acpi_match[] = {
   501		{ "INTC1030", },
   502		{ "INTC1031", },
   503		{ }
   504	};
   505	MODULE_DEVICE_TABLE(acpi, ccg_hpi_acpi_match);
   506	

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

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