Hi Longfang,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on usb/usb-testing]
[also build test ERROR on v5.12-rc5 next-20210401]
[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/0day-ci/linux/commits/Longfang-Liu/USB-ohci-fix-ohci-interruption-problem/20210402-173222
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
config: x86_64-randconfig-a005-20210401 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project b23a314146956dd29b719ab537608ced736fc036)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://github.com/0day-ci/linux/commit/00d8675558b24ab708ca15afe5a92630722be38c
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Longfang-Liu/USB-ohci-fix-ohci-interruption-problem/20210402-173222
        git checkout 00d8675558b24ab708ca15afe5a92630722be38c
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> drivers/usb/core/hcd-pci.c:624:13: error: use of undeclared identifier 'hcd_pci_freeze'
           .freeze         = hcd_pci_freeze,
                             ^
   1 error generated.


vim +/hcd_pci_freeze +624 drivers/usb/core/hcd-pci.c

   618	
   619	const struct dev_pm_ops usb_hcd_pci_pm_ops = {
   620		.suspend	= hcd_pci_suspend,
   621		.suspend_noirq	= hcd_pci_suspend_noirq,
   622		.resume_noirq	= hcd_pci_resume_noirq,
   623		.resume		= hcd_pci_resume,
 > 624		.freeze		= hcd_pci_freeze,
   625		.freeze_noirq	= check_root_hub_suspended,
   626		.thaw_noirq	= NULL,
   627		.thaw		= NULL,
   628		.poweroff	= hcd_pci_suspend,
   629		.poweroff_noirq	= hcd_pci_suspend_noirq,
   630		.restore_noirq	= hcd_pci_resume_noirq,
   631		.restore	= hcd_pci_restore,
   632		.runtime_suspend = hcd_pci_runtime_suspend,
   633		.runtime_resume	= hcd_pci_runtime_resume,
   634	};
   635	EXPORT_SYMBOL_GPL(usb_hcd_pci_pm_ops);
   636	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org