linux-kernel - Re: [PATCH 1/2] add new platform driver for PCI RC

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Date:	Sun, 6 Dec 2015 08:42:14 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Joao Pinto <Joao.Pinto@...opsys.com>
Cc:	kbuild-all@...org, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, bhelgaas@...gle.com,
	CARLOS.PALMINHA@...opsys.com, Vineet.Gupta1@...opsys.com,
	Alexey.Brodkin@...opsys.com, Joao Pinto <Joao.Pinto@...opsys.com>
Subject: Re: [PATCH 1/2] add new platform driver for PCI RC

Hi Joao,

[auto build test ERROR on arc/for-next]
[also build test ERROR on v4.4-rc3 next-20151203]

url:    https://github.com/0day-ci/linux/commits/Joao-Pinto/adding-PCI-support-to-AXS10x/20151124-223533
base:   https://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc for-next
config: sparc-allmodconfig (attached as .config)
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=sparc 

All errors (new ones prefixed by >>):

   drivers/pci/host/pcie-designware.c: In function 'dw_pcie_host_init':
>> drivers/pci/host/pcie-designware.c:431:2: error: implicit declaration of function 'of_pci_get_host_bridge_resources' [-Werror=implicit-function-declaration]
     ret = of_pci_get_host_bridge_resources(np, 0, 0xff, &res, &pp->io_base);
     ^
   drivers/pci/host/pcie-designware.c:561:2: error: implicit declaration of function 'pci_has_flag' [-Werror=implicit-function-declaration]
     if (!pci_has_flag(PCI_PROBE_ONLY)) {
     ^
   drivers/pci/host/pcie-designware.c:561:20: error: 'PCI_PROBE_ONLY' undeclared (first use in this function)
     if (!pci_has_flag(PCI_PROBE_ONLY)) {
                       ^
   drivers/pci/host/pcie-designware.c:561:20: note: each undeclared identifier is reported only once for each function it appears in
   cc1: some warnings being treated as errors

vim +/of_pci_get_host_bridge_resources +431 drivers/pci/host/pcie-designware.c

4dd964df Kishon Vijay Abraham I 2014-07-17  425  		pp->cfg0_base = cfg_res->start;
adf70fc0 Pratyush Anand         2014-09-05  426  		pp->cfg1_base = cfg_res->start + pp->cfg0_size;
0f414212 Murali Karicheri       2015-07-21  427  	} else if (!pp->va_cfg0_base) {
4dd964df Kishon Vijay Abraham I 2014-07-17  428  		dev_err(pp->dev, "missing *config* reg space\n");
4dd964df Kishon Vijay Abraham I 2014-07-17  429  	}
4dd964df Kishon Vijay Abraham I 2014-07-17  430  
0021d22b Zhou Wang              2015-10-29 @431  	ret = of_pci_get_host_bridge_resources(np, 0, 0xff, &res, &pp->io_base);
0021d22b Zhou Wang              2015-10-29  432  	if (ret)
0021d22b Zhou Wang              2015-10-29  433  		return ret;
4b1ced84 Jingoo Han             2013-07-31  434  

:::::: The code at line 431 was first introduced by commit
:::::: 0021d22b73d69f2121b89987a94d5ef5c4e14271 PCI: designware: Use of_pci_get_host_bridge_resources() to parse DT

:::::: TO: Zhou Wang <wangzhou1@...ilicon.com>
:::::: CC: Bjorn Helgaas <bhelgaas@...gle.com>

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