Hi Fabio, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: fbaada49082c23aa4e4ed43386a1ad4a457a0354 commit: 02956abc74ede6549249eb21e5b319b92dd147f3 [2570/2570] net: dsa: mv88e6xxx: Avoid EEPROM timeout when EEPROM is absent config: x86_64-randconfig-161-20241210 (https://download.01.org/0day-ci/archive/20241210/202412100719.EfO2Bdyg-lkp@i...) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241210/202412100719.EfO2Bdyg-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/202412100719.EfO2Bdyg-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from drivers/net/dsa/mv88e6xxx/chip.c:15: In file included from include/linux/etherdevice.h:20: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:14: In file included from include/linux/mm.h:1581: include/linux/vmstat.h:431:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 431 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ In file included from drivers/net/dsa/mv88e6xxx/chip.c:32: In file included from include/net/dsa.h:22: include/net/devlink.h:28:19: warning: arithmetic between different enumeration types ('enum devlink_reload_limit' and 'enum devlink_reload_action') [-Wenum-enum-conversion] 28 | u32 reload_stats[DEVLINK_RELOAD_STATS_ARRAY_SIZE]; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/net/devlink.h:25:30: note: expanded from macro 'DEVLINK_RELOAD_STATS_ARRAY_SIZE' 25 | (__DEVLINK_RELOAD_LIMIT_MAX * __DEVLINK_RELOAD_ACTION_MAX) | ~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/net/devlink.h:29:26: warning: arithmetic between different enumeration types ('enum devlink_reload_limit' and 'enum devlink_reload_action') [-Wenum-enum-conversion] 29 | u32 remote_reload_stats[DEVLINK_RELOAD_STATS_ARRAY_SIZE]; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/net/devlink.h:25:30: note: expanded from macro 'DEVLINK_RELOAD_STATS_ARRAY_SIZE' 25 | (__DEVLINK_RELOAD_LIMIT_MAX * __DEVLINK_RELOAD_ACTION_MAX) | ~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~

...

drivers/net/dsa/mv88e6xxx/chip.c:2320:4: error: implicit declaration of function 'mv88e6xxx_g2_eeprom_wait' [-Werror,-Wimplicit-function-declaration] 2320 | mv88e6xxx_g2_eeprom_wait(chip); | ^ drivers/net/dsa/mv88e6xxx/chip.c:2320:4: note: did you mean 'mv88e6xxx_g2_pvt_write'? drivers/net/dsa/mv88e6xxx/global2.h:457:19: note: 'mv88e6xxx_g2_pvt_write' declared here 457 | static inline int mv88e6xxx_g2_pvt_write(struct mv88e6xxx_chip *chip, | ^ 3 warnings and 1 error generated.

vim +/mv88e6xxx_g2_eeprom_wait +2320 drivers/net/dsa/mv88e6xxx/chip.c 2306 2307 static void mv88e6xxx_hardware_reset(struct mv88e6xxx_chip *chip) 2308 { 2309 struct gpio_desc *gpiod = chip->reset; 2310 2311 /* If there is a GPIO connected to the reset pin, toggle it */ 2312 if (gpiod) { 2313 /* If the switch has just been reset and not yet completed 2314 * loading EEPROM, the reset may interrupt the I2C transaction 2315 * mid-byte, causing the first EEPROM read after the reset 2316 * from the wrong location resulting in the switch booting 2317 * to wrong mode and inoperable. 2318 */ 2319 if (chip->info->ops->get_eeprom)

2320 mv88e6xxx_g2_eeprom_wait(chip); 2321 2322 gpiod_set_value_cansleep(gpiod, 1); 2323 usleep_range(10000, 20000); 2324 gpiod_set_value_cansleep(gpiod, 0); 2325 usleep_range(10000, 20000); 2326 2327 if (chip->info->ops->get_eeprom) 2328 mv88e6xxx_g2_eeprom_wait(chip); 2329 } 2330 } 2331

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