Hi Stanley, kernel test robot noticed the following build warnings: [auto build test WARNING on robh/for-next] [also build test WARNING on linus/master v6.14-rc3 next-20250221] [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/Stanley-Chu/dt-bindings-i3c-silvaco-Add-npcm845-compatible-string/20250221-143909 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20250221063528.1810007-3-yschu%40nuvoton.com patch subject: [PATCH v3 2/4] i3c: master: svc: Add support for Nuvoton npcm845 i3c config: arm-randconfig-003-20250222 (https://download.01.org/0day-ci/archive/20250222/202502221511.0BCyUyEU-lkp@xxxxxxxxx/config) compiler: clang version 16.0.6 (https://github.com/llvm/llvm-project 7cbf1a2591520c2491aa35339f227775f4d3adf6) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250222/202502221511.0BCyUyEU-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/202502221511.0BCyUyEU-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/i3c/master/svc-i3c-master.c:240: warning: Function parameter or struct member 'drvdata' not described in 'svc_i3c_master' vim +240 drivers/i3c/master/svc-i3c-master.c 28c82e7b13d49b1 Stanley Chu 2025-02-21 180 dd3c52846d5954a Miquel Raynal 2021-01-21 181 /** dd3c52846d5954a Miquel Raynal 2021-01-21 182 * struct svc_i3c_master - Silvaco I3C Master structure dd3c52846d5954a Miquel Raynal 2021-01-21 183 * @base: I3C master controller dd3c52846d5954a Miquel Raynal 2021-01-21 184 * @dev: Corresponding device dd3c52846d5954a Miquel Raynal 2021-01-21 185 * @regs: Memory mapping 5496eac6ad7428f Miquel Raynal 2023-08-17 186 * @saved_regs: Volatile values for PM operations dd3c52846d5954a Miquel Raynal 2021-01-21 187 * @free_slots: Bit array of available slots dd3c52846d5954a Miquel Raynal 2021-01-21 188 * @addrs: Array containing the dynamic addresses of each attached device dd3c52846d5954a Miquel Raynal 2021-01-21 189 * @descs: Array of descriptors, one per attached device dd3c52846d5954a Miquel Raynal 2021-01-21 190 * @hj_work: Hot-join work dd3c52846d5954a Miquel Raynal 2021-01-21 191 * @ibi_work: IBI work dd3c52846d5954a Miquel Raynal 2021-01-21 192 * @irq: Main interrupt dd3c52846d5954a Miquel Raynal 2021-01-21 193 * @pclk: System clock dd3c52846d5954a Miquel Raynal 2021-01-21 194 * @fclk: Fast clock (bus) dd3c52846d5954a Miquel Raynal 2021-01-21 195 * @sclk: Slow clock (other events) dd3c52846d5954a Miquel Raynal 2021-01-21 196 * @xferqueue: Transfer queue structure dd3c52846d5954a Miquel Raynal 2021-01-21 197 * @xferqueue.list: List member dd3c52846d5954a Miquel Raynal 2021-01-21 198 * @xferqueue.cur: Current ongoing transfer dd3c52846d5954a Miquel Raynal 2021-01-21 199 * @xferqueue.lock: Queue lock dd3c52846d5954a Miquel Raynal 2021-01-21 200 * @ibi: IBI structure dd3c52846d5954a Miquel Raynal 2021-01-21 201 * @ibi.num_slots: Number of slots available in @ibi.slots dd3c52846d5954a Miquel Raynal 2021-01-21 202 * @ibi.slots: Available IBI slots dd3c52846d5954a Miquel Raynal 2021-01-21 203 * @ibi.tbq_slot: To be queued IBI slot dd3c52846d5954a Miquel Raynal 2021-01-21 204 * @ibi.lock: IBI lock 6bf3fc268183816 Frank Li 2023-10-23 205 * @lock: Transfer lock, protect between IBI work thread and callbacks from master 05b26c31a4859af Frank Li 2023-12-01 206 * @enabled_events: Bit masks for enable events (IBI, HotJoin). 20ade67bb1645f5 Carlos Song 2024-09-10 207 * @mctrl_config: Configuration value in SVC_I3C_MCTRL for setting speed back. dd3c52846d5954a Miquel Raynal 2021-01-21 208 */ dd3c52846d5954a Miquel Raynal 2021-01-21 209 struct svc_i3c_master { dd3c52846d5954a Miquel Raynal 2021-01-21 210 struct i3c_master_controller base; dd3c52846d5954a Miquel Raynal 2021-01-21 211 struct device *dev; dd3c52846d5954a Miquel Raynal 2021-01-21 212 void __iomem *regs; 1c5ee2a77b1bacd Clark Wang 2023-05-17 213 struct svc_i3c_regs_save saved_regs; dd3c52846d5954a Miquel Raynal 2021-01-21 214 u32 free_slots; dd3c52846d5954a Miquel Raynal 2021-01-21 215 u8 addrs[SVC_I3C_MAX_DEVS]; dd3c52846d5954a Miquel Raynal 2021-01-21 216 struct i3c_dev_desc *descs[SVC_I3C_MAX_DEVS]; dd3c52846d5954a Miquel Raynal 2021-01-21 217 struct work_struct hj_work; dd3c52846d5954a Miquel Raynal 2021-01-21 218 struct work_struct ibi_work; dd3c52846d5954a Miquel Raynal 2021-01-21 219 int irq; dd3c52846d5954a Miquel Raynal 2021-01-21 220 struct clk *pclk; dd3c52846d5954a Miquel Raynal 2021-01-21 221 struct clk *fclk; dd3c52846d5954a Miquel Raynal 2021-01-21 222 struct clk *sclk; dd3c52846d5954a Miquel Raynal 2021-01-21 223 struct { dd3c52846d5954a Miquel Raynal 2021-01-21 224 struct list_head list; dd3c52846d5954a Miquel Raynal 2021-01-21 225 struct svc_i3c_xfer *cur; dd3c52846d5954a Miquel Raynal 2021-01-21 226 /* Prevent races between transfers */ dd3c52846d5954a Miquel Raynal 2021-01-21 227 spinlock_t lock; dd3c52846d5954a Miquel Raynal 2021-01-21 228 } xferqueue; dd3c52846d5954a Miquel Raynal 2021-01-21 229 struct { dd3c52846d5954a Miquel Raynal 2021-01-21 230 unsigned int num_slots; dd3c52846d5954a Miquel Raynal 2021-01-21 231 struct i3c_dev_desc **slots; dd3c52846d5954a Miquel Raynal 2021-01-21 232 struct i3c_ibi_slot *tbq_slot; dd3c52846d5954a Miquel Raynal 2021-01-21 233 /* Prevent races within IBI handlers */ dd3c52846d5954a Miquel Raynal 2021-01-21 234 spinlock_t lock; dd3c52846d5954a Miquel Raynal 2021-01-21 235 } ibi; 6bf3fc268183816 Frank Li 2023-10-23 236 struct mutex lock; 28c82e7b13d49b1 Stanley Chu 2025-02-21 237 const struct svc_i3c_drvdata *drvdata; 25bc99be5fe5385 Frank Li 2024-11-01 238 u32 enabled_events; 20ade67bb1645f5 Carlos Song 2024-09-10 239 u32 mctrl_config; dd3c52846d5954a Miquel Raynal 2021-01-21 @240 }; dd3c52846d5954a Miquel Raynal 2021-01-21 241 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
