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Message-ID: <202502221511.0BCyUyEU-lkp@intel.com>
Date: Sat, 22 Feb 2025 15:59:41 +0800
From: kernel test robot <lkp@...el.com>
To: Stanley Chu <stanley.chuys@...il.com>, frank.li@....com,
miquel.raynal@...tlin.com, alexandre.belloni@...tlin.com,
robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
linux-i3c@...ts.infradead.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
tomer.maimon@...oton.com, kwliu@...oton.com, yschu@...oton.com
Subject: Re: [PATCH v3 2/4] i3c: master: svc: Add support for Nuvoton npcm845
i3c
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@intel.com/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@intel.com/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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202502221511.0BCyUyEU-lkp@intel.com/
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
--
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