[openeuler:openEuler-1.0-LTS 1336/1336] drivers/staging/gmjstcm/tcm_tis_spi.c:817:36: warning: 'tcm_tis_spi_acpi_match' defined but not used

[openeuler:openEuler-1.0-LTS 1336/1336] drivers/staging/gmjstcm/tcm_tis_spi.c:817:36: warning: 'tcm_tis_spi_acpi_match' defined but not used

[kernel test robot]

tree:   https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS
head:   dda59452adcd5503512e4d25631db28a50f38fd0
commit: 5ebbfc8c29eb5eb6dfdab853bdb2a622e0533d7e [1336/1336] staging: TCM: add GMJS(Nationz Tech) TCM driver.
config: arm64-randconfig-003-20241219 (https://download.01.org/0day-ci/archive/20241219/202412192143.ddGXn3L0-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241219/202412192143.ddGXn3L0-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202412192143.ddGXn3L0-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   drivers/staging/gmjstcm/tcm_tis_spi.c:109:5: warning: no previous prototype for 'tcm_tis_spi_transfer' [-Wmissing-prototypes]
     109 | int tcm_tis_spi_transfer(struct device *dev, u32 addr, u16 len,
         |     ^~~~~~~~~~~~~~~~~~~~
   drivers/staging/gmjstcm/tcm_tis_spi.c: In function 'recv_data':
   drivers/staging/gmjstcm/tcm_tis_spi.c:423:13: warning: variable 'ret' set but not used [-Wunused-but-set-variable]
     423 |         int ret;
         |             ^~~
   drivers/staging/gmjstcm/tcm_tis_spi.c: At top level:
>> drivers/staging/gmjstcm/tcm_tis_spi.c:817:36: warning: 'tcm_tis_spi_acpi_match' defined but not used [-Wunused-const-variable=]
     817 | static const struct acpi_device_id tcm_tis_spi_acpi_match[] = {
         |                                    ^~~~~~~~~~~~~~~~~~~~~~
   drivers/staging/gmjstcm/tcm_tis_spi.c: In function 'cleanup_tis':
   drivers/staging/gmjstcm/tcm_tis_spi.c:249:17: warning: 'inten' may be used uninitialized [-Wmaybe-uninitialized]
     249 |                 tcm_tis_writel(chip->dev, TCM_INT_ENABLE(chip->vendor.locality),
         |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     250 |                                 ~TCM_GLOBAL_INT_ENABLE & inten);
         |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/staging/gmjstcm/tcm_tis_spi.c:237:13: note: 'inten' was declared here
     237 |         u32 inten;
         |             ^~~~~
   drivers/staging/gmjstcm/tcm_tis_spi.c: In function 'tcm_tis_init':
   drivers/staging/gmjstcm/tcm_tis_spi.c:264:21: warning: 'vendor' may be used uninitialized [-Wmaybe-uninitialized]
     264 |         if ((vendor & 0xffff) != 0x19f5 && (vendor & 0xffff) != 0x1B4E)
         |             ~~~~~~~~^~~~~~~~~
   drivers/staging/gmjstcm/tcm_tis_spi.c:260:13: note: 'vendor' was declared here
     260 |         u32 vendor, intfcaps;
         |             ^~~~~~
--
   aarch64-linux-ld: warning: .tmp_vmlinux1 has a LOAD segment with RWX permissions
   aarch64-linux-ld: fs/ext4/super.o: in function `ext4_handle_error':
   super.c:(.text+0x1472c): undefined reference to `__alloc_skb'
>> super.c:(.text+0x1472c): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `__alloc_skb'
>> aarch64-linux-ld: super.c:(.text+0x14794): undefined reference to `__nlmsg_put'
>> super.c:(.text+0x14794): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `__nlmsg_put'
>> aarch64-linux-ld: super.c:(.text+0x14878): undefined reference to `netlink_broadcast'
>> super.c:(.text+0x14878): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `netlink_broadcast'
>> aarch64-linux-ld: super.c:(.text+0x149cc): undefined reference to `kfree_skb'
>> super.c:(.text+0x149cc): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `kfree_skb'
   aarch64-linux-ld: fs/ext4/super.o: in function `ext4_init_fs':
   super.c:(.init.text+0x52e4): undefined reference to `init_net'
>> super.c:(.init.text+0x52e4): relocation truncated to fit: R_AARCH64_ADR_PREL_PG_HI21 against undefined symbol `init_net'
>> aarch64-linux-ld: super.c:(.init.text+0x52ec): undefined reference to `init_net'
>> aarch64-linux-ld: super.c:(.init.text+0x52f4): undefined reference to `__netlink_kernel_create'
>> super.c:(.init.text+0x52f4): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `__netlink_kernel_create'
   aarch64-linux-ld: fs/ext4/super.o: in function `ext4_exit_fs':
   super.c:(.exit.text+0x7c): undefined reference to `netlink_kernel_release'
>> super.c:(.exit.text+0x7c): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `netlink_kernel_release'


vim +/tcm_tis_spi_acpi_match +817 drivers/staging/gmjstcm/tcm_tis_spi.c

   816	
 > 817	static const struct acpi_device_id tcm_tis_spi_acpi_match[] = {
   818		{"TCMS0001", 0},
   819		{"SMO0768", 0},
   820		{"ZIC0601", 0},
   821		{}
   822	};
   823	MODULE_DEVICE_TABLE(acpi, tcm_tis_spi_acpi_match);
   824	

-- 
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