linux-kernel - Re: [PATCH v8 2/2] PCI: pciehp: Mask AER surprise link down error if hotplug is enabled

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Message-ID: <201808200805.TsxYvRnY%fengguang.wu@intel.com>
Date:   Mon, 20 Aug 2018 08:20:22 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Sinan Kaya <okaya@...nel.org>
Cc:     kbuild-all@...org, linux-pci@...r.kernel.org,
        Sinan Kaya <okaya@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lukas Wunner <lukas@...ner.de>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v8 2/2] PCI: pciehp: Mask AER surprise link down error if
 hotplug is enabled

Hi Sinan,

I love your patch! Yet something to improve:

[auto build test ERROR on pci/next]
[also build test ERROR on next-20180817]
[cannot apply to v4.18]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Sinan-Kaya/PCI-pciehp-Ignore-link-events-when-there-is-a-fatal-error-pending/20180820-074636
base:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
config: i386-randconfig-x075-201833 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/pci/hotplug/pciehp_core.c: In function 'pciehp_control_surprise_error':
>> drivers/pci/hotplug/pciehp_core.c:241:14: error: 'struct pci_dev' has no member named 'aer_cap'; did you mean 'ats_cap'?
     pos = pdev->aer_cap;
                 ^~~~~~~
                 ats_cap

vim +241 drivers/pci/hotplug/pciehp_core.c

   231	
   232	static int pciehp_control_surprise_error(struct controller *ctrl, bool enable)
   233	{
   234		struct pci_dev *pdev = ctrl->pcie->port;
   235		u32 reg32;
   236		int pos;
   237	
   238		if (!pci_is_pcie(pdev))
   239			return -ENODEV;
   240	
 > 241		pos = pdev->aer_cap;
   242		if (!pos)
   243			return -ENODEV;
   244	
   245		pci_read_config_dword(pdev, pos + PCI_ERR_UNCOR_MASK, &reg32);
   246		if (enable)
   247			reg32 &= ~PCI_ERR_UNC_SURPDN;
   248		else
   249			reg32 |= PCI_ERR_UNC_SURPDN;
   250		pci_write_config_dword(pdev, pos + PCI_ERR_UNCOR_MASK, reg32);
   251	
   252		return 0;
   253	}
   254	

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