linux-kernel - Re: [PATCH v2 2/3] PCI: Enable PCIe Relaxed Ordering if supported

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Message-ID: <201706031336.9FSK8cmm%fengguang.wu@intel.com>
Date:   Sat, 3 Jun 2017 14:02:36 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Ding Tianhong <dingtianhong@...wei.com>
Cc:     kbuild-all@...org, leedom@...lsio.com, ashok.raj@...el.com,
        helgaas@...nel.org, werner@...lsio.com, ganeshgr@...lsio.com,
        asit.k.mallick@...el.com, patrick.j.cramer@...el.com,
        Suravee.Suthikulpanit@....com, Bob.Shaw@....com,
        l.stach@...gutronix.de, amira@...lanox.com,
        gabriele.paoloni@...wei.com, David.Laight@...lab.com,
        jeffrey.t.kirsher@...el.com, catalin.marinas@....com,
        will.deacon@....com, mark.rutland@....com, robin.murphy@....com,
        davem@...emloft.net, alexander.duyck@...il.com,
        linux-arm-kernel@...ts.infradead.org, netdev@...r.kernel.org,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        Ding Tianhong <dingtianhong@...wei.com>
Subject: Re: [PATCH v2 2/3] PCI: Enable PCIe Relaxed Ordering if supported

Hi Ding,

[auto build test WARNING on pci/next]
[cannot apply to v4.12-rc3 next-20170602]
[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/Ding-Tianhong/Add-new-PCI_DEV_FLAGS_NO_RELAXED_ORDERING-flag/20170603-132448
base:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
config: x86_64-randconfig-x019-201722 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

>> drivers//pci/pci.c:4922:1: warning: "/*" within comment [-Wcomment]
    /**
     

vim +4922 drivers//pci/pci.c

  4906	 * @dev: PCI device to query
  4907	 *
  4908	 * Returns true if relaxed ordering is been set
  4909	 */
  4910	int pcie_get_relaxed_ordering(struct pci_dev *dev)
  4911	{
  4912		u16 v;
  4913	
  4914		pcie_capability_read_word(dev, PCI_EXP_DEVCTL, &v);
  4915	
  4916		return (v & PCI_EXP_DEVCTL_RELAX_EN) >> 4;
  4917	}
  4918	EXPORT_SYMBOL(pcie_get_relaxed_ordering);
  4919	
  4920	/**
  4921	 * pcie_set_mps - set PCI Express maximum payload size
> 4922	/**
  4923	 * pcie_get_minimum_link - determine minimum link settings of a PCI device
  4924	 * @dev: PCI device to query
  4925	 * @speed: storage for minimum speed
  4926	 * @width: storage for minimum width
  4927	 *
  4928	 * This function will walk up the PCI device chain and determine the minimum
  4929	 * link width and speed of the device.
  4930	 */

---
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