linux-kernel - Re: [PATCH v2 3/3] PCI/PM: Always disable PTM for all devices during suspend

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Date:   Sat, 3 Sep 2022 12:18:55 +0800
From:   kernel test robot <lkp@...el.com>
To:     Bjorn Helgaas <helgaas@...nel.org>,
        Kai-Heng Feng <kai.heng.feng@...onical.com>,
        Rajvi Jingar <rajvi.jingar@...ux.intel.com>,
        "Rafael J . Wysocki" <rafael@...nel.org>
Cc:     kbuild-all@...ts.01.org, Koba Ko <koba.ko@...onical.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        "David E . Box" <david.e.box@...ux.intel.com>,
        Sathyanarayanan Kuppuswamy 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>,
        linux-pci@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Bjorn Helgaas <helgaas@...nel.org>
Subject: Re: [PATCH v2 3/3] PCI/PM: Always disable PTM for all devices during
 suspend

Hi Bjorn,

I love your patch! Yet something to improve:

[auto build test ERROR on helgaas-pci/next]
[also build test ERROR on linus/master v6.0-rc3 next-20220901]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Bjorn-Helgaas/PCI-PM-Always-disable-PTM-for-all-devices-during-suspend/20220903-073808
base:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
config: x86_64-randconfig-a015 (https://download.01.org/0day-ci/archive/20220903/202209031256.McjuB8mz-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-5) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/809e1c954b459ee37193c4ab9fa843243fbd7fa9
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Bjorn-Helgaas/PCI-PM-Always-disable-PTM-for-all-devices-during-suspend/20220903-073808
        git checkout 809e1c954b459ee37193c4ab9fa843243fbd7fa9
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 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-driver.c: In function 'pci_pm_runtime_resume':
>> drivers/pci/pci-driver.c:1350:22: error: 'struct pci_dev' has no member named 'ptm_enabled'; did you mean 'ats_enabled'?
    1350 |         if (pci_dev->ptm_enabled)
         |                      ^~~~~~~~~~~
         |                      ats_enabled


vim +1350 drivers/pci/pci-driver.c

  1335	
  1336	static int pci_pm_runtime_resume(struct device *dev)
  1337	{
  1338		struct pci_dev *pci_dev = to_pci_dev(dev);
  1339		const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
  1340		pci_power_t prev_state = pci_dev->current_state;
  1341		int error = 0;
  1342	
  1343		/*
  1344		 * Restoring config space is necessary even if the device is not bound
  1345		 * to a driver because although we left it in D0, it may have gone to
  1346		 * D3cold when the bridge above it runtime suspended.
  1347		 */
  1348		pci_pm_default_resume_early(pci_dev);
  1349	
> 1350		if (pci_dev->ptm_enabled)
  1351			pci_enable_ptm(pci_dev, NULL);
  1352	
  1353		if (!pci_dev->driver)
  1354			return 0;
  1355	
  1356		pci_fixup_device(pci_fixup_resume_early, pci_dev);
  1357		pci_pm_default_resume(pci_dev);
  1358	
  1359		if (prev_state == PCI_D3cold)
  1360			pci_pm_bridge_power_up_actions(pci_dev);
  1361	
  1362		if (pm && pm->runtime_resume)
  1363			error = pm->runtime_resume(dev);
  1364	
  1365		return error;
  1366	}
  1367	

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