Re: [PATCH] staging: octeon: remove SPI, POW, PKO, and Helper typedef enums

From: kernel test robot

Date: Tue Apr 14 2026 - 20:05:52 EST


Hi Maxwell,

kernel test robot noticed the following build errors:

[auto build test ERROR on staging/staging-testing]

url: https://github.com/intel-lab-lkp/linux/commits/Maxwell-Doose/staging-octeon-remove-SPI-POW-PKO-and-Helper-typedef-enums/20260415-004127
base: staging/staging-testing
patch link: https://lore.kernel.org/r/20260412000226.2711800-1-m32285159%40gmail.com
patch subject: [PATCH] staging: octeon: remove SPI, POW, PKO, and Helper typedef enums
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20260415/202604150717.26IAjbLy-lkp@xxxxxxxxx/config)
compiler: sh4-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260415/202604150717.26IAjbLy-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202604150717.26IAjbLy-lkp@xxxxxxxxx/

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

In file included from drivers/staging/octeon/octeon-ethernet.h:41,
from drivers/staging/octeon/ethernet.c:23:
>> drivers/staging/octeon/octeon-stubs.h:1270:22: error: 'cvmx_helper_interface_mode' defined as wrong kind of tag
1270 | static inline struct cvmx_helper_interface_mode cvmx_helper_interface_get_mode(int
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/staging/octeon/octeon-stubs.h:1270:49: error: return type is an incomplete type
1270 | static inline struct cvmx_helper_interface_mode cvmx_helper_interface_get_mode(int
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/staging/octeon/octeon-stubs.h: In function 'cvmx_helper_interface_get_mode':
>> drivers/staging/octeon/octeon-stubs.h:1273:16: error: 'return' with a value, in function returning void [-Wreturn-mismatch]
1273 | return 0;
| ^
drivers/staging/octeon/octeon-stubs.h:1270:49: note: declared here
1270 | static inline struct cvmx_helper_interface_mode cvmx_helper_interface_get_mode(int
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/staging/octeon/ethernet.c: In function 'cvm_oct_common_change_mtu':
>> drivers/staging/octeon/ethernet.c:252:14: error: void value not ignored as it ought to be
252 | (cvmx_helper_interface_get_mode(interface) !=
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/staging/octeon/ethernet.c: In function 'cvm_oct_common_set_multicast_list':
drivers/staging/octeon/ethernet.c:298:14: error: void value not ignored as it ought to be
298 | (cvmx_helper_interface_get_mode(interface) !=
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/staging/octeon/ethernet.c: In function 'cvm_oct_set_mac_filter':
drivers/staging/octeon/ethernet.c:350:14: error: void value not ignored as it ought to be
350 | (cvmx_helper_interface_get_mode(interface) !=
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/staging/octeon/ethernet.c: In function 'cvm_oct_probe':
>> drivers/staging/octeon/ethernet.c:801:22: error: 'cvmx_helper_interface_mode' defined as wrong kind of tag
801 | enum cvmx_helper_interface_mode imode =
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/staging/octeon/ethernet.c:802:21: error: variable 'imode' has initializer but incomplete type
802 | cvmx_helper_interface_get_mode(interface);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/staging/octeon/ethernet.c:801:49: error: storage size of 'imode' isn't known
801 | enum cvmx_helper_interface_mode imode =
| ^~~~~
>> drivers/staging/octeon/ethernet.c:801:49: warning: unused variable 'imode' [-Wunused-variable]
--
In file included from drivers/staging/octeon/octeon-ethernet.h:41,
from drivers/staging/octeon/ethernet-mdio.c:15:
>> drivers/staging/octeon/octeon-stubs.h:1270:22: error: 'cvmx_helper_interface_mode' defined as wrong kind of tag
1270 | static inline struct cvmx_helper_interface_mode cvmx_helper_interface_get_mode(int
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/staging/octeon/octeon-stubs.h:1270:49: error: return type is an incomplete type
1270 | static inline struct cvmx_helper_interface_mode cvmx_helper_interface_get_mode(int
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/staging/octeon/octeon-stubs.h: In function 'cvmx_helper_interface_get_mode':
>> drivers/staging/octeon/octeon-stubs.h:1273:16: error: 'return' with a value, in function returning void [-Wreturn-mismatch]
1273 | return 0;
| ^
drivers/staging/octeon/octeon-stubs.h:1270:49: note: declared here
1270 | static inline struct cvmx_helper_interface_mode cvmx_helper_interface_get_mode(int
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/cvmx_helper_interface_mode +1270 drivers/staging/octeon/octeon-stubs.h

1269
> 1270 static inline struct cvmx_helper_interface_mode cvmx_helper_interface_get_mode(int
1271 interface)
1272 {
> 1273 return 0;
1274 }
1275

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki