Hi LeoLiu-oc, First bad commit (maybe != root cause): tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 17cadcdf512f891675c3c9df62bcf05511293ae9 commit: 5d01c9ec4f3b95b0629a38d936f69bc05e494cc9 [3214/3214] pinctrl: Zhaoxin: Add KH-50000 support config: x86_64-buildonly-randconfig-004-20251118 (https://download.01.org/0day-ci/archive/20251118/202511180448.bJpcAwU9-lkp@i...) 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/20251118/202511180448.bJpcAwU9-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/202511180448.bJpcAwU9-lkp@intel.com/ All errors (new ones prefixed by >>): drivers/pinctrl/zhaoxin/pinctrl-zhaoxin.c:123:6: warning: variable 'value_back' set but not used [-Wunused-but-set-variable] 123 | u16 value_back = 0; | ^ drivers/pinctrl/zhaoxin/pinctrl-zhaoxin.c:249:6: warning: variable 'pin' set but not used [-Wunused-but-set-variable] 249 | int pin; | ^ drivers/pinctrl/zhaoxin/pinctrl-zhaoxin.c:270:6: warning: variable 'pin' set but not used [-Wunused-but-set-variable] 270 | int pin; | ^ drivers/pinctrl/zhaoxin/pinctrl-zhaoxin.c:330:6: warning: variable 'base_offset' set but not used [-Wunused-but-set-variable] 330 | int base_offset = 0; | ^ drivers/pinctrl/zhaoxin/pinctrl-zhaoxin.c:363:6: warning: variable 'base_offset' set but not used [-Wunused-but-set-variable] 363 | int base_offset = 0; | ^ drivers/pinctrl/zhaoxin/pinctrl-zhaoxin.c:487:6: warning: variable 'test_mask' set but not used [-Wunused-but-set-variable] 487 | u16 test_mask; | ^

...

drivers/pinctrl/zhaoxin/pinctrl-zhaoxin.c:779:20: error: incomplete definition of type 'struct acpi_device' 779 | if (!strcmp(adev->pnp.unique_id, table[i]->uid)) { | ~~~~^ include/linux/compiler.h:55:47: note: expanded from macro 'if' 55 | #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) | ^~~~ include/linux/compiler.h:57:52: note: expanded from macro '__trace_if_var' 57 | #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) | ^~~~ include/linux/acpi.h:798:8: note: forward declaration of 'struct acpi_device' 798 | struct acpi_device; | ^ drivers/pinctrl/zhaoxin/pinctrl-zhaoxin.c:779:20: error: incomplete definition of type 'struct acpi_device' 779 | if (!strcmp(adev->pnp.unique_id, table[i]->uid)) { | ~~~~^ include/linux/compiler.h:55:47: note: expanded from macro 'if' 55 | #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) | ^~~~ include/linux/compiler.h:57:61: note: expanded from macro '__trace_if_var' 57 | #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) | ^~~~ include/linux/acpi.h:798:8: note: forward declaration of 'struct acpi_device' 798 | struct acpi_device; | ^ drivers/pinctrl/zhaoxin/pinctrl-zhaoxin.c:779:20: error: incomplete definition of type 'struct acpi_device' 779 | if (!strcmp(adev->pnp.unique_id, table[i]->uid)) { | ~~~~^ include/linux/compiler.h:55:47: note: expanded from macro 'if' 55 | #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) | ^~~~ include/linux/compiler.h:57:86: note: expanded from macro '__trace_if_var' 57 | #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) | ^~~~ include/linux/compiler.h:68:3: note: expanded from macro '__trace_if_value' 68 | (cond) ? \ | ^~~~ include/linux/acpi.h:798:8: note: forward declaration of 'struct acpi_device' 798 | struct acpi_device; | ^ 6 warnings and 3 errors generated.

vim +779 drivers/pinctrl/zhaoxin/pinctrl-zhaoxin.c 996e18349e58a3 leoliu-oc 2024-02-04 765 996e18349e58a3 leoliu-oc 2024-02-04 766 const struct zhaoxin_pinctrl_soc_data *zhaoxin_pinctrl_get_soc_data(struct platform_device *pdev) 996e18349e58a3 leoliu-oc 2024-02-04 767 { 996e18349e58a3 leoliu-oc 2024-02-04 768 const struct zhaoxin_pinctrl_soc_data *data = NULL; 996e18349e58a3 leoliu-oc 2024-02-04 769 const struct zhaoxin_pinctrl_soc_data **table; 996e18349e58a3 leoliu-oc 2024-02-04 770 struct acpi_device *adev; 996e18349e58a3 leoliu-oc 2024-02-04 771 unsigned int i; 996e18349e58a3 leoliu-oc 2024-02-04 772 996e18349e58a3 leoliu-oc 2024-02-04 773 adev = ACPI_COMPANION(&pdev->dev); 996e18349e58a3 leoliu-oc 2024-02-04 774 if (adev) { 996e18349e58a3 leoliu-oc 2024-02-04 775 const void *match = device_get_match_data(&pdev->dev); 996e18349e58a3 leoliu-oc 2024-02-04 776 996e18349e58a3 leoliu-oc 2024-02-04 777 table = (const struct zhaoxin_pinctrl_soc_data **)match; 996e18349e58a3 leoliu-oc 2024-02-04 778 for (i = 0; table[i]; i++) { 996e18349e58a3 leoliu-oc 2024-02-04 @779 if (!strcmp(adev->pnp.unique_id, table[i]->uid)) { 996e18349e58a3 leoliu-oc 2024-02-04 780 data = table[i]; 996e18349e58a3 leoliu-oc 2024-02-04 781 break; 996e18349e58a3 leoliu-oc 2024-02-04 782 } 996e18349e58a3 leoliu-oc 2024-02-04 783 } 996e18349e58a3 leoliu-oc 2024-02-04 784 } else { 996e18349e58a3 leoliu-oc 2024-02-04 785 const struct platform_device_id *id; 996e18349e58a3 leoliu-oc 2024-02-04 786 996e18349e58a3 leoliu-oc 2024-02-04 787 id = platform_get_device_id(pdev); 996e18349e58a3 leoliu-oc 2024-02-04 788 if (!id) 996e18349e58a3 leoliu-oc 2024-02-04 789 return ERR_PTR(-ENODEV); 996e18349e58a3 leoliu-oc 2024-02-04 790 996e18349e58a3 leoliu-oc 2024-02-04 791 table = (const struct zhaoxin_pinctrl_soc_data **)id->driver_data; 996e18349e58a3 leoliu-oc 2024-02-04 792 data = table[pdev->id]; 996e18349e58a3 leoliu-oc 2024-02-04 793 } 996e18349e58a3 leoliu-oc 2024-02-04 794 996e18349e58a3 leoliu-oc 2024-02-04 795 return data ?: ERR_PTR(-ENODATA); 996e18349e58a3 leoliu-oc 2024-02-04 796 } 996e18349e58a3 leoliu-oc 2024-02-04 797 EXPORT_SYMBOL_GPL(zhaoxin_pinctrl_get_soc_data); 996e18349e58a3 leoliu-oc 2024-02-04 798 :::::: The code at line 779 was first introduced by commit :::::: 996e18349e58a3ace519f9c0f32f4e62fc46ec2c Add support Zhaoxin GPIO pinctrl :::::: TO: leoliu-oc <leoliu-oc@zhaoxin.com> :::::: CC: leoliu-oc <leoliu-oc@zhaoxin.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki