linux-kernel - Re: [PATCH 06/14] PCI: endpoint: Assign PCI domain number for endpoint controllers

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Message-ID: <202407170032.WTPexEVV-lkp@intel.com>
Date: Wed, 17 Jul 2024 00:47:59 +0800
From: kernel test robot <lkp@...el.com>
To: Manivannan Sadhasivam via B4 Relay <devnull+manivannan.sadhasivam.linaro.org@...nel.org>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kw@...ux.com>,
	Rob Herring <robh@...nel.org>, Bjorn Helgaas <helgaas@...nel.org>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-pci@...r.kernel.org,
	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: Re: [PATCH 06/14] PCI: endpoint: Assign PCI domain number for
 endpoint controllers

Hi Manivannan,

kernel test robot noticed the following build errors:

[auto build test ERROR on 91e3b24eb7d297d9d99030800ed96944b8652eaf]

url:    https://github.com/intel-lab-lkp/linux/commits/Manivannan-Sadhasivam-via-B4-Relay/PCI-qcom-ep-Drop-the-redundant-masking-of-global-IRQ-events/20240716-014703
base:   91e3b24eb7d297d9d99030800ed96944b8652eaf
patch link:    https://lore.kernel.org/r/20240715-pci-qcom-hotplug-v1-6-5f3765cc873a%40linaro.org
patch subject: [PATCH 06/14] PCI: endpoint: Assign PCI domain number for endpoint controllers
config: i386-randconfig-011-20240716 (https://download.01.org/0day-ci/archive/20240717/202407170032.WTPexEVV-lkp@intel.com/config)
compiler: gcc-8 (Ubuntu 8.4.0-3ubuntu2) 8.4.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240717/202407170032.WTPexEVV-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/202407170032.WTPexEVV-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/pci/endpoint/pci-epc-core.c: In function '__pci_epc_create':
>> drivers/pci/endpoint/pci-epc-core.c:902:19: error: implicit declaration of function 'pci_bus_find_domain_nr'; did you mean 'pci_bus_find_capability'? [-Werror=implicit-function-declaration]
     epc->domain_nr = pci_bus_find_domain_nr(NULL, dev);
                      ^~~~~~~~~~~~~~~~~~~~~~
                      pci_bus_find_capability
   cc1: some warnings being treated as errors


vim +902 drivers/pci/endpoint/pci-epc-core.c

   866	
   867	/**
   868	 * __pci_epc_create() - create a new endpoint controller (EPC) device
   869	 * @dev: device that is creating the new EPC
   870	 * @ops: function pointers for performing EPC operations
   871	 * @owner: the owner of the module that creates the EPC device
   872	 *
   873	 * Invoke to create a new EPC device and add it to pci_epc class.
   874	 */
   875	struct pci_epc *
   876	__pci_epc_create(struct device *dev, const struct pci_epc_ops *ops,
   877			 struct module *owner)
   878	{
   879		int ret;
   880		struct pci_epc *epc;
   881	
   882		if (WARN_ON(!dev)) {
   883			ret = -EINVAL;
   884			goto err_ret;
   885		}
   886	
   887		epc = kzalloc(sizeof(*epc), GFP_KERNEL);
   888		if (!epc) {
   889			ret = -ENOMEM;
   890			goto err_ret;
   891		}
   892	
   893		mutex_init(&epc->lock);
   894		mutex_init(&epc->list_lock);
   895		INIT_LIST_HEAD(&epc->pci_epf);
   896	
   897		device_initialize(&epc->dev);
   898		epc->dev.class = &pci_epc_class;
   899		epc->dev.parent = dev;
   900		epc->dev.release = pci_epc_release;
   901		epc->ops = ops;
 > 902		epc->domain_nr = pci_bus_find_domain_nr(NULL, dev);
   903	
   904		ret = dev_set_name(&epc->dev, "%s", dev_name(dev));
   905		if (ret)
   906			goto put_dev;
   907	
   908		ret = device_add(&epc->dev);
   909		if (ret)
   910			goto put_dev;
   911	
   912		epc->group = pci_ep_cfs_add_epc_group(dev_name(dev));
   913	
   914		return epc;
   915	
   916	put_dev:
   917		put_device(&epc->dev);
   918	
   919	err_ret:
   920		return ERR_PTR(ret);
   921	}
   922	EXPORT_SYMBOL_GPL(__pci_epc_create);
   923	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki