tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: d7de179b5122c922d0dcae88231947a26f47b632 commit: 5ebbfc8c29eb5eb6dfdab853bdb2a622e0533d7e [15455/21561] staging: TCM: add GMJS(Nationz Tech) TCM driver. config: arm64-randconfig-002-20240120 (https://download.01.org/0day-ci/archive/20240122/202401222135.PnRKwawm-lkp@i...) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240122/202401222135.PnRKwawm-lkp@i...) 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/202401222135.PnRKwawm-lkp@intel.com/ All 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; | ^~~~~~

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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