Hi Stanislaw, kernel test robot noticed the following build warnings: [auto build test WARNING on usb/usb-testing] [also build test WARNING on usb/usb-next usb/usb-linus westeri-thunderbolt/next linus/master v6.12-rc7 next-20241112] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Stanislaw-Gruszka/usb-misc-ljca-set-small-runtime-autosuspend-delay/20241112-155844 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing patch link: https://lore.kernel.org/r/20241112075514.680712-3-stanislaw.gruszka%40linux.intel.com patch subject: [PATCH v4 3/3] usb: misc: ljca: add firmware version sysfs attribute config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20241112/202411122028.tylKQSQx-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241112/202411122028.tylKQSQx-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/202411122028.tylKQSQx-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/usb/misc/usb-ljca.c:169: warning: Function parameter or struct member 'fw_version' not described in 'ljca_adapter' >> drivers/usb/misc/usb-ljca.c:169: warning: Function parameter or struct member 'fw_version_valid' not described in 'ljca_adapter' vim +169 drivers/usb/misc/usb-ljca.c acd6199f195d6de Wentong Wu 2023-10-09 114 acd6199f195d6de Wentong Wu 2023-10-09 115 /** acd6199f195d6de Wentong Wu 2023-10-09 116 * struct ljca_adapter - represent a ljca adapter acd6199f195d6de Wentong Wu 2023-10-09 117 * acd6199f195d6de Wentong Wu 2023-10-09 118 * @intf: the usb interface for this ljca adapter acd6199f195d6de Wentong Wu 2023-10-09 119 * @usb_dev: the usb device for this ljca adapter acd6199f195d6de Wentong Wu 2023-10-09 120 * @dev: the specific device info of the usb interface acd6199f195d6de Wentong Wu 2023-10-09 121 * @rx_pipe: bulk in pipe for receive data from firmware acd6199f195d6de Wentong Wu 2023-10-09 122 * @tx_pipe: bulk out pipe for send data to firmware acd6199f195d6de Wentong Wu 2023-10-09 123 * @rx_urb: urb used for the bulk in pipe acd6199f195d6de Wentong Wu 2023-10-09 124 * @rx_buf: buffer used to receive command response and event acd6199f195d6de Wentong Wu 2023-10-09 125 * @rx_len: length of rx buffer acd6199f195d6de Wentong Wu 2023-10-09 126 * @ex_buf: external buffer to save command response acd6199f195d6de Wentong Wu 2023-10-09 127 * @ex_buf_len: length of external buffer acd6199f195d6de Wentong Wu 2023-10-09 128 * @actual_length: actual length of data copied to external buffer acd6199f195d6de Wentong Wu 2023-10-09 129 * @tx_buf: buffer used to download command to firmware acd6199f195d6de Wentong Wu 2023-10-09 130 * @tx_buf_len: length of tx buffer acd6199f195d6de Wentong Wu 2023-10-09 131 * @lock: spinlock to protect tx_buf and ex_buf acd6199f195d6de Wentong Wu 2023-10-09 132 * @cmd_completion: completion object as the command receives ack acd6199f195d6de Wentong Wu 2023-10-09 133 * @mutex: mutex to avoid command download concurrently acd6199f195d6de Wentong Wu 2023-10-09 134 * @client_list: client device list acd6199f195d6de Wentong Wu 2023-10-09 135 * @disconnect: usb disconnect ongoing or not acd6199f195d6de Wentong Wu 2023-10-09 136 * @reset_id: used to reset firmware acd6199f195d6de Wentong Wu 2023-10-09 137 */ acd6199f195d6de Wentong Wu 2023-10-09 138 struct ljca_adapter { acd6199f195d6de Wentong Wu 2023-10-09 139 struct usb_interface *intf; acd6199f195d6de Wentong Wu 2023-10-09 140 struct usb_device *usb_dev; acd6199f195d6de Wentong Wu 2023-10-09 141 struct device *dev; acd6199f195d6de Wentong Wu 2023-10-09 142 acd6199f195d6de Wentong Wu 2023-10-09 143 unsigned int rx_pipe; acd6199f195d6de Wentong Wu 2023-10-09 144 unsigned int tx_pipe; acd6199f195d6de Wentong Wu 2023-10-09 145 acd6199f195d6de Wentong Wu 2023-10-09 146 struct urb *rx_urb; acd6199f195d6de Wentong Wu 2023-10-09 147 void *rx_buf; acd6199f195d6de Wentong Wu 2023-10-09 148 unsigned int rx_len; acd6199f195d6de Wentong Wu 2023-10-09 149 acd6199f195d6de Wentong Wu 2023-10-09 150 u8 *ex_buf; acd6199f195d6de Wentong Wu 2023-10-09 151 u8 ex_buf_len; acd6199f195d6de Wentong Wu 2023-10-09 152 u8 actual_length; acd6199f195d6de Wentong Wu 2023-10-09 153 acd6199f195d6de Wentong Wu 2023-10-09 154 void *tx_buf; acd6199f195d6de Wentong Wu 2023-10-09 155 u8 tx_buf_len; acd6199f195d6de Wentong Wu 2023-10-09 156 acd6199f195d6de Wentong Wu 2023-10-09 157 spinlock_t lock; acd6199f195d6de Wentong Wu 2023-10-09 158 acd6199f195d6de Wentong Wu 2023-10-09 159 struct completion cmd_completion; acd6199f195d6de Wentong Wu 2023-10-09 160 struct mutex mutex; acd6199f195d6de Wentong Wu 2023-10-09 161 acd6199f195d6de Wentong Wu 2023-10-09 162 struct list_head client_list; 1368856f90435bb Stanislaw Gruszka 2024-11-12 163 struct ljca_fw_version fw_version; acd6199f195d6de Wentong Wu 2023-10-09 164 acd6199f195d6de Wentong Wu 2023-10-09 165 bool disconnect; 1368856f90435bb Stanislaw Gruszka 2024-11-12 166 bool fw_version_valid; acd6199f195d6de Wentong Wu 2023-10-09 167 acd6199f195d6de Wentong Wu 2023-10-09 168 u32 reset_id; acd6199f195d6de Wentong Wu 2023-10-09 @169 }; acd6199f195d6de Wentong Wu 2023-10-09 170 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki