linux-kernel - Re: [PATCH v6 2/2] PCI/PM: disable PTM on all devices

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Message-ID: <202206090155.uxFOFYd0-lkp@intel.com>
Date:   Thu, 9 Jun 2022 02:14:32 +0800
From:   kernel test robot <lkp@...el.com>
To:     Rajvi Jingar <rajvi.jingar@...ux.intel.com>,
        rafael.j.wysocki@...el.com, bhelgaas@...gle.com
Cc:     kbuild-all@...ts.01.org, rajvi.jingar@...ux.intel.com,
        david.e.box@...ux.intel.com, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH v6 2/2] PCI/PM: disable PTM on all devices

Hi Rajvi,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on helgaas-pci/next]
[also build test ERROR on linus/master v5.19-rc1 next-20220608]
[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]

url:    https://github.com/intel-lab-lkp/linux/commits/Rajvi-Jingar/PCI-PM-refactor-pci_pm_suspend_noirq/20220608-092412
base:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
config: i386-randconfig-a001 (https://download.01.org/0day-ci/archive/20220609/202206090155.uxFOFYd0-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/1bf4649d5fa01aa9d1ce606461791344adfaa2ab
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Rajvi-Jingar/PCI-PM-refactor-pci_pm_suspend_noirq/20220608-092412
        git checkout 1bf4649d5fa01aa9d1ce606461791344adfaa2ab
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   drivers/pci/pci.c: In function 'pci_save_state':
>> drivers/pci/pci.c:1677:18: error: 'struct pci_dev' has no member named 'ptm_enabled'; did you mean 'ats_enabled'?
    1677 |         if (dev->ptm_enabled)
         |                  ^~~~~~~~~~~
         |                  ats_enabled


vim +1677 drivers/pci/pci.c

  1644	
  1645	/**
  1646	 * pci_save_state - save the PCI configuration space of a device before
  1647	 *		    suspending
  1648	 * @dev: PCI device that we're dealing with
  1649	 */
  1650	int pci_save_state(struct pci_dev *dev)
  1651	{
  1652		int i;
  1653		/* XXX: 100% dword access ok here? */
  1654		for (i = 0; i < 16; i++) {
  1655			pci_read_config_dword(dev, i * 4, &dev->saved_config_space[i]);
  1656			pci_dbg(dev, "saving config space at offset %#x (reading %#x)\n",
  1657				i * 4, dev->saved_config_space[i]);
  1658		}
  1659		dev->state_saved = true;
  1660	
  1661		i = pci_save_pcie_state(dev);
  1662		if (i != 0)
  1663			return i;
  1664	
  1665		i = pci_save_pcix_state(dev);
  1666		if (i != 0)
  1667			return i;
  1668	
  1669		pci_save_ltr_state(dev);
  1670		pci_save_dpc_state(dev);
  1671		pci_save_aer_state(dev);
  1672		/*
  1673		 * PCI PM core disables PTM during suspend and saves PTM state before
  1674		 * that to be able to restore the ptm state restored later. So PCI core
  1675		 * needs this check to avoid double save.
  1676		 */
> 1677		if (dev->ptm_enabled)
  1678			pci_save_ptm_state(dev);
  1679		return pci_save_vc_state(dev);
  1680	}
  1681	EXPORT_SYMBOL(pci_save_state);
  1682	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp