Re: [PATCH 2/2] i3c: master: svc: use slow speed for first broadcast address

[kernel test robot <lkp@intel.com>]

Hi,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.11-rc2 next-20240806]
[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/carlos-song-nxp-com/i3c-master-svc-use-slow-speed-for-first-broadcast-address/20240806-144941
base:   linus/master
patch link:    https://lore.kernel.org/r/20240806064851.2425797-2-carlos.song%40nxp.com
patch subject: [PATCH 2/2] i3c: master: svc: use slow speed for first broadcast address
config: i386-buildonly-randconfig-001-20240806 (https://download.01.org/0day-ci/archive/20240806/202408062304.MtyfBIl7-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240806/202408062304.MtyfBIl7-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202408062304.MtyfBIl7-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/i3c/master/svc-i3c-master.c:216: warning: Function parameter or struct member 'mctrl_config' not described in 'svc_i3c_master'


vim +216 drivers/i3c/master/svc-i3c-master.c

1c5ee2a77b1bac Clark Wang    2023-05-17  158  
dd3c52846d5954 Miquel Raynal 2021-01-21  159  /**
dd3c52846d5954 Miquel Raynal 2021-01-21  160   * struct svc_i3c_master - Silvaco I3C Master structure
dd3c52846d5954 Miquel Raynal 2021-01-21  161   * @base: I3C master controller
dd3c52846d5954 Miquel Raynal 2021-01-21  162   * @dev: Corresponding device
dd3c52846d5954 Miquel Raynal 2021-01-21  163   * @regs: Memory mapping
5496eac6ad7428 Miquel Raynal 2023-08-17  164   * @saved_regs: Volatile values for PM operations
dd3c52846d5954 Miquel Raynal 2021-01-21  165   * @free_slots: Bit array of available slots
dd3c52846d5954 Miquel Raynal 2021-01-21  166   * @addrs: Array containing the dynamic addresses of each attached device
dd3c52846d5954 Miquel Raynal 2021-01-21  167   * @descs: Array of descriptors, one per attached device
dd3c52846d5954 Miquel Raynal 2021-01-21  168   * @hj_work: Hot-join work
dd3c52846d5954 Miquel Raynal 2021-01-21  169   * @ibi_work: IBI work
dd3c52846d5954 Miquel Raynal 2021-01-21  170   * @irq: Main interrupt
dd3c52846d5954 Miquel Raynal 2021-01-21  171   * @pclk: System clock
dd3c52846d5954 Miquel Raynal 2021-01-21  172   * @fclk: Fast clock (bus)
dd3c52846d5954 Miquel Raynal 2021-01-21  173   * @sclk: Slow clock (other events)
dd3c52846d5954 Miquel Raynal 2021-01-21  174   * @xferqueue: Transfer queue structure
dd3c52846d5954 Miquel Raynal 2021-01-21  175   * @xferqueue.list: List member
dd3c52846d5954 Miquel Raynal 2021-01-21  176   * @xferqueue.cur: Current ongoing transfer
dd3c52846d5954 Miquel Raynal 2021-01-21  177   * @xferqueue.lock: Queue lock
dd3c52846d5954 Miquel Raynal 2021-01-21  178   * @ibi: IBI structure
dd3c52846d5954 Miquel Raynal 2021-01-21  179   * @ibi.num_slots: Number of slots available in @ibi.slots
dd3c52846d5954 Miquel Raynal 2021-01-21  180   * @ibi.slots: Available IBI slots
dd3c52846d5954 Miquel Raynal 2021-01-21  181   * @ibi.tbq_slot: To be queued IBI slot
dd3c52846d5954 Miquel Raynal 2021-01-21  182   * @ibi.lock: IBI lock
6bf3fc26818381 Frank Li      2023-10-23  183   * @lock: Transfer lock, protect between IBI work thread and callbacks from master
05b26c31a4859a Frank Li      2023-12-01  184   * @enabled_events: Bit masks for enable events (IBI, HotJoin).
dd3c52846d5954 Miquel Raynal 2021-01-21  185   */
dd3c52846d5954 Miquel Raynal 2021-01-21  186  struct svc_i3c_master {
dd3c52846d5954 Miquel Raynal 2021-01-21  187  	struct i3c_master_controller base;
dd3c52846d5954 Miquel Raynal 2021-01-21  188  	struct device *dev;
dd3c52846d5954 Miquel Raynal 2021-01-21  189  	void __iomem *regs;
1c5ee2a77b1bac Clark Wang    2023-05-17  190  	struct svc_i3c_regs_save saved_regs;
dd3c52846d5954 Miquel Raynal 2021-01-21  191  	u32 free_slots;
dd3c52846d5954 Miquel Raynal 2021-01-21  192  	u8 addrs[SVC_I3C_MAX_DEVS];
dd3c52846d5954 Miquel Raynal 2021-01-21  193  	struct i3c_dev_desc *descs[SVC_I3C_MAX_DEVS];
dd3c52846d5954 Miquel Raynal 2021-01-21  194  	struct work_struct hj_work;
dd3c52846d5954 Miquel Raynal 2021-01-21  195  	struct work_struct ibi_work;
dd3c52846d5954 Miquel Raynal 2021-01-21  196  	int irq;
dd3c52846d5954 Miquel Raynal 2021-01-21  197  	struct clk *pclk;
dd3c52846d5954 Miquel Raynal 2021-01-21  198  	struct clk *fclk;
dd3c52846d5954 Miquel Raynal 2021-01-21  199  	struct clk *sclk;
dd3c52846d5954 Miquel Raynal 2021-01-21  200  	struct {
dd3c52846d5954 Miquel Raynal 2021-01-21  201  		struct list_head list;
dd3c52846d5954 Miquel Raynal 2021-01-21  202  		struct svc_i3c_xfer *cur;
dd3c52846d5954 Miquel Raynal 2021-01-21  203  		/* Prevent races between transfers */
dd3c52846d5954 Miquel Raynal 2021-01-21  204  		spinlock_t lock;
dd3c52846d5954 Miquel Raynal 2021-01-21  205  	} xferqueue;
dd3c52846d5954 Miquel Raynal 2021-01-21  206  	struct {
dd3c52846d5954 Miquel Raynal 2021-01-21  207  		unsigned int num_slots;
dd3c52846d5954 Miquel Raynal 2021-01-21  208  		struct i3c_dev_desc **slots;
dd3c52846d5954 Miquel Raynal 2021-01-21  209  		struct i3c_ibi_slot *tbq_slot;
dd3c52846d5954 Miquel Raynal 2021-01-21  210  		/* Prevent races within IBI handlers */
dd3c52846d5954 Miquel Raynal 2021-01-21  211  		spinlock_t lock;
dd3c52846d5954 Miquel Raynal 2021-01-21  212  	} ibi;
6bf3fc26818381 Frank Li      2023-10-23  213  	struct mutex lock;
05b26c31a4859a Frank Li      2023-12-01  214  	int enabled_events;
7f8771c6b3f96d Carlos Song   2024-08-06  215  	u32 mctrl_config;
dd3c52846d5954 Miquel Raynal 2021-01-21 @216  };
dd3c52846d5954 Miquel Raynal 2021-01-21  217  

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