Messages in this thread | | | Date | Tue, 27 Jul 2021 19:42:16 +0800 | From | kernel test robot <> | Subject | drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c:1807:1: warning: unused variable 'iwl_dbgfs_dbg_time_point_ops' |
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Hi Mordechay,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: ff1176468d368232b684f75e82563369208bc371 commit: 9dbb62a29042e543ab6671dc12c1473c3cbc58c2 iwlwifi: mvm: add debugfs entry to trigger a dump as any time-point date: 6 months ago config: arm-randconfig-r014-20210727 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project c658b472f3e61e1818e1909bf02f3d65470018a5) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9dbb62a29042e543ab6671dc12c1473c3cbc58c2 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 9dbb62a29042e543ab6671dc12c1473c3cbc58c2 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c:1807:1: warning: unused variable 'iwl_dbgfs_dbg_time_point_ops' [-Wunused-const-variable] MVM_DEBUGFS_WRITE_FILE_OPS(dbg_time_point, 64); ^ drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c:1554:2: note: expanded from macro 'MVM_DEBUGFS_WRITE_FILE_OPS' _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm) ^ drivers/net/wireless/intel/iwlwifi/mvm/debugfs.h:39:37: note: expanded from macro '_MVM_DEBUGFS_WRITE_FILE_OPS' static const struct file_operations iwl_dbgfs_##name##_ops = { \ ^ <scratch space>:111:1: note: expanded from here iwl_dbgfs_dbg_time_point_ops ^ 1 warning generated.
vim +/iwl_dbgfs_dbg_time_point_ops +1807 drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
1780 1781 /* Device wide debugfs entries */ 1782 MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget); 1783 MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp, 8); 1784 MVM_DEBUGFS_WRITE_FILE_OPS(force_ctkill, 8); 1785 MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16); 1786 MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8); 1787 MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8); 1788 MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64); 1789 MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64); 1790 MVM_DEBUGFS_READ_FILE_OPS(nic_temp); 1791 MVM_DEBUGFS_READ_FILE_OPS(stations); 1792 MVM_DEBUGFS_READ_FILE_OPS(rs_data); 1793 MVM_DEBUGFS_READ_FILE_OPS(bt_notif); 1794 MVM_DEBUGFS_READ_FILE_OPS(bt_cmd); 1795 MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64); 1796 MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats); 1797 MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats); 1798 MVM_DEBUGFS_READ_FILE_OPS(fw_ver); 1799 MVM_DEBUGFS_READ_FILE_OPS(phy_integration_ver); 1800 MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10); 1801 MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10); 1802 MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10); 1803 MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10); 1804 MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8); 1805 MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8); 1806 MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64); > 1807 MVM_DEBUGFS_WRITE_FILE_OPS(dbg_time_point, 64); 1808 MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl, 1809 (IWL_RSS_INDIRECTION_TABLE_SIZE * 2)); 1810 MVM_DEBUGFS_WRITE_FILE_OPS(inject_packet, 512); 1811 MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie, 512); 1812 MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie_restore, 512); 1813
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