Re: [PATCH 04/12] i3c: master: Support ACPI enumeration

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

Hi Akhil,

kernel test robot noticed the following build errors:

[auto build test ERROR on next-20260320]
[also build test ERROR on linus/master v7.0-rc4]
[cannot apply to i3c/i3c/next rafael-pm/linux-next rafael-pm/bleeding-edge groeck-staging/hwmon-next v7.0-rc4 v7.0-rc3 v7.0-rc2]
[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/Akhil-R/dt-bindings-i3c-Add-mipi-i3c-static-method-to-support-SETAASA/20260322-174037
base:   next-20260320
patch link:    https://lore.kernel.org/r/20260318172820.13771-5-akhilrajeev%40nvidia.com
patch subject: [PATCH 04/12] i3c: master: Support ACPI enumeration
config: sparc-randconfig-002-20260322 (https://download.01.org/0day-ci/archive/20260323/202603230007.WOMwklQ6-lkp@intel.com/config)
compiler: sparc-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260323/202603230007.WOMwklQ6-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/202603230007.WOMwklQ6-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/i3c/master.c: In function 'i3c_master_add_i2c_boardinfo':
>> drivers/i3c/master.c:2449:23: error: implicit declaration of function 'acpi_dev_get_resources'; did you mean 'acpi_get_event_resources'? [-Wimplicit-function-declaration]
    2449 |                 ret = acpi_dev_get_resources(adev, &resources,
         |                       ^~~~~~~~~~~~~~~~~~~~~~
         |                       acpi_get_event_resources
>> drivers/i3c/master.c:2455:17: error: implicit declaration of function 'acpi_dev_free_resource_list' [-Wimplicit-function-declaration]
    2455 |                 acpi_dev_free_resource_list(&resources);
         |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/i3c/master.c: In function 'i3c_master_add_acpi_dev':
>> drivers/i3c/master.c:2556:9: error: unknown type name 'acpi_bus_address'; did you mean 'acpi_io_address'?
    2556 |         acpi_bus_address adr;
         |         ^~~~~~~~~~~~~~~~
         |         acpi_io_address
>> drivers/i3c/master.c:2563:14: error: implicit declaration of function 'acpi_has_method'; did you mean 'acpi_has_watchdog'? [-Wimplicit-function-declaration]
    2563 |         if (!acpi_has_method(adev->handle, "_ADR"))
         |              ^~~~~~~~~~~~~~~
         |              acpi_has_watchdog
>> drivers/i3c/master.c:2563:34: error: invalid use of undefined type 'struct acpi_device'
    2563 |         if (!acpi_has_method(adev->handle, "_ADR"))
         |                                  ^~
>> drivers/i3c/master.c:2566:15: error: implicit declaration of function 'acpi_device_adr'; did you mean 'acpi_device_handle'? [-Wimplicit-function-declaration]
    2566 |         adr = acpi_device_adr(adev);
         |               ^~~~~~~~~~~~~~~
         |               acpi_device_handle


vim +2449 drivers/i3c/master.c

  2423	
  2424	static int
  2425	i3c_master_add_i2c_boardinfo(struct i3c_master_controller *master,
  2426				     struct fwnode_handle *fwnode, u32 *reg)
  2427	{
  2428		struct i2c_dev_boardinfo *boardinfo;
  2429		struct device *dev = &master->dev;
  2430		struct acpi_device *adev;
  2431		LIST_HEAD(resources);
  2432		int ret;
  2433	
  2434		boardinfo = devm_kzalloc(dev, sizeof(*boardinfo), GFP_KERNEL);
  2435		if (!boardinfo)
  2436			return -ENOMEM;
  2437	
  2438		if (is_of_node(fwnode)) {
  2439			ret = of_i2c_get_board_info(dev, to_of_node(fwnode), &boardinfo->base);
  2440			if (ret)
  2441				return ret;
  2442	
  2443			/* LVR is encoded in reg[2] for Device Tree. */
  2444			boardinfo->lvr = reg[2];
  2445		} else if (is_acpi_device_node(fwnode)) {
  2446			adev = to_acpi_device_node(fwnode);
  2447			boardinfo->base.fwnode = acpi_fwnode_handle(adev);
  2448	
> 2449			ret = acpi_dev_get_resources(adev, &resources,
  2450						     i3c_acpi_get_i2c_resource, boardinfo);
  2451	
  2452			if (ret < 0)
  2453				return ret;
  2454	
> 2455			acpi_dev_free_resource_list(&resources);
  2456	
  2457			if (!boardinfo->base.addr)
  2458				return -ENODEV;
  2459		} else {
  2460			return -EINVAL;
  2461		}
  2462	
  2463		/*
  2464		 * The I3C Specification does not clearly say I2C devices with 10-bit
  2465		 * address are supported. These devices can't be passed properly through
  2466		 * DEFSLVS command.
  2467		 */
  2468		if (boardinfo->base.flags & I2C_CLIENT_TEN) {
  2469			dev_err(dev, "I2C device with 10 bit address not supported.");
  2470			return -EOPNOTSUPP;
  2471		}
  2472	
  2473		list_add_tail(&boardinfo->node, &master->boardinfo.i2c);
  2474		fwnode_handle_get(fwnode);
  2475	
  2476		return 0;
  2477	}
  2478	
  2479	static int
  2480	i3c_master_add_i3c_boardinfo(struct i3c_master_controller *master,
  2481				     struct fwnode_handle *fwnode, u32 *reg)
  2482	{
  2483		struct i3c_dev_boardinfo *boardinfo;
  2484		struct device *dev = &master->dev;
  2485		enum i3c_addr_slot_status addrstatus;
  2486		u32 init_dyn_addr = 0;
  2487	
  2488		boardinfo = devm_kzalloc(dev, sizeof(*boardinfo), GFP_KERNEL);
  2489		if (!boardinfo)
  2490			return -ENOMEM;
  2491	
  2492		if (reg[0]) {
  2493			if (reg[0] > I3C_MAX_ADDR)
  2494				return -EINVAL;
  2495	
  2496			addrstatus = i3c_bus_get_addr_slot_status(&master->bus,
  2497								  reg[0]);
  2498			if (addrstatus != I3C_ADDR_SLOT_FREE)
  2499				return -EINVAL;
  2500		}
  2501	
  2502		boardinfo->static_addr = reg[0];
  2503	
  2504		if (!fwnode_property_read_u32(fwnode, "assigned-address", &init_dyn_addr)) {
  2505			if (init_dyn_addr > I3C_MAX_ADDR)
  2506				return -EINVAL;
  2507	
  2508			addrstatus = i3c_bus_get_addr_slot_status(&master->bus,
  2509								  init_dyn_addr);
  2510			if (addrstatus != I3C_ADDR_SLOT_FREE)
  2511				return -EINVAL;
  2512		}
  2513	
  2514		boardinfo->pid = ((u64)reg[1] << 32) | reg[2];
  2515	
  2516		if ((boardinfo->pid & GENMASK_ULL(63, 48)) ||
  2517		    I3C_PID_RND_LOWER_32BITS(boardinfo->pid))
  2518			return -EINVAL;
  2519	
  2520		boardinfo->init_dyn_addr = init_dyn_addr;
  2521		boardinfo->fwnode = fwnode_handle_get(fwnode);
  2522		list_add_tail(&boardinfo->node, &master->boardinfo.i3c);
  2523	
  2524		return 0;
  2525	}
  2526	
  2527	static int i3c_master_add_of_dev(struct i3c_master_controller *master,
  2528					 struct fwnode_handle *fwnode)
  2529	{
  2530		u32 reg[3];
  2531		int ret;
  2532	
  2533		if (!master)
  2534			return -EINVAL;
  2535	
  2536		ret = fwnode_property_read_u32_array(fwnode, "reg", reg, ARRAY_SIZE(reg));
  2537		if (ret)
  2538			return ret;
  2539	
  2540		/*
  2541		 * The manufacturer ID can't be 0. If reg[1] == 0 that means we're
  2542		 * dealing with an I2C device.
  2543		 */
  2544		if (!reg[1])
  2545			ret = i3c_master_add_i2c_boardinfo(master, fwnode, reg);
  2546		else
  2547			ret = i3c_master_add_i3c_boardinfo(master, fwnode, reg);
  2548	
  2549		return ret;
  2550	}
  2551	
  2552	static int i3c_master_add_acpi_dev(struct i3c_master_controller *master,
  2553					   struct fwnode_handle *fwnode)
  2554	{
  2555		struct acpi_device *adev = to_acpi_device_node(fwnode);
> 2556		acpi_bus_address adr;
  2557		u32 reg[3] = { 0 };
  2558	
  2559		/*
  2560		 * If the ACPI table entry does not have _ADR method, it's an I2C device
  2561		 * If the ACPI table entry has _ADR method, it's an I3C device
  2562		 */
> 2563		if (!acpi_has_method(adev->handle, "_ADR"))
  2564			return i3c_master_add_i2c_boardinfo(master, fwnode, reg);
  2565	
> 2566		adr = acpi_device_adr(adev);
  2567	
  2568		/* For I3C devices, _ADR will have the 48 bit PID of the device  */
  2569		reg[1] = upper_32_bits(adr);
  2570		reg[2] = lower_32_bits(adr);
  2571	
  2572		fwnode_property_read_u32(fwnode, "mipi-i3c-static-address", &reg[0]);
  2573	
  2574		return i3c_master_add_i3c_boardinfo(master, fwnode, reg);
  2575	}
  2576	

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