Re: [PATCH 1/6] PCI/ASPM: Add locked helper for enabling link state

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Hi Johan,

kernel test robot noticed the following build warnings:

[auto build test WARNING on pci/next]
[also build test WARNING on pci/for-linus linus/master v6.7-rc1 next-20231115]
[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/Johan-Hovold/PCI-ASPM-Add-locked-helper-for-enabling-link-state/20231114-220117
base:   https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next
patch link:    https://lore.kernel.org/r/20231114135553.32301-2-johan%2Blinaro%40kernel.org
patch subject: [PATCH 1/6] PCI/ASPM: Add locked helper for enabling link state
config: x86_64-randconfig-002-20231115 (https://download.01.org/0day-ci/archive/20231115/202311152225.ZdVv0ufT-lkp@xxxxxxxxx/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231115/202311152225.ZdVv0ufT-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311152225.ZdVv0ufT-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> drivers/pci/pcie/aspm.c:1186: warning: expecting prototype for pci_enable_link_state(). Prototype was for pci_enable_link_state_locked() instead


vim +1186 drivers/pci/pcie/aspm.c

  1172	
  1173	/**
  1174	 * pci_enable_link_state - Clear and set the default device link state so that
  1175	 * the link may be allowed to enter the specified states. Note that if the
  1176	 * BIOS didn't grant ASPM control to the OS, this does nothing because we can't
  1177	 * touch the LNKCTL register. Also note that this does not enable states
  1178	 * disabled by pci_disable_link_state(). Return 0 or a negative errno.
  1179	 *
  1180	 * @pdev: PCI device
  1181	 * @state: Mask of ASPM link states to enable
  1182	 *
  1183	 * Context: Caller holds pci_bus_sem read lock.
  1184	 */
  1185	int pci_enable_link_state_locked(struct pci_dev *pdev, int state)
> 1186	{
  1187		lockdep_assert_held_read(&pci_bus_sem);
  1188	
  1189		return __pci_enable_link_state(pdev, state, true);
  1190	}
  1191	EXPORT_SYMBOL(pci_enable_link_state_locked);
  1192	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki




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