linux-kernel - Re: [PATCH RT] usb: Use _nort in usb_hcd_pci

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Date:   Tue, 25 Apr 2017 13:26:41 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Nate Dailey <nate.dailey@...atus.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        bigeasy@...utronix.de, tglx@...utronix.de, rostedt@...dmis.org,
        Nate Dailey <nate.dailey@...atus.com>
Subject: Re: [PATCH RT] usb: Use _nort in usb_hcd_pci_remove

Hi Nate,

[auto build test ERROR on usb/usb-testing]
[also build test ERROR on v4.11-rc8 next-20170424]
[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/Nate-Dailey/usb-Use-_nort-in-usb_hcd_pci_remove/20170424-214548
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
config: x86_64-rhel (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 errors (new ones prefixed by >>):

   drivers/usb//core/hcd-pci.c: In function 'usb_hcd_pci_remove':
>> drivers/usb//core/hcd-pci.c:344:2: error: implicit declaration of function 'local_irq_disable_nort' [-Werror=implicit-function-declaration]
     local_irq_disable_nort();
     ^~~~~~~~~~~~~~~~~~~~~~
>> drivers/usb//core/hcd-pci.c:346:2: error: implicit declaration of function 'local_irq_enable_nort' [-Werror=implicit-function-declaration]
     local_irq_enable_nort();
     ^~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/local_irq_disable_nort +344 drivers/usb//core/hcd-pci.c

   338			pm_runtime_get_noresume(&dev->dev);
   339	
   340		/* Fake an interrupt request in order to give the driver a chance
   341		 * to test whether the controller hardware has been removed (e.g.,
   342		 * cardbus physical eject).
   343		 */
 > 344		local_irq_disable_nort();
   345		usb_hcd_irq(0, hcd);
 > 346		local_irq_enable_nort();
   347	
   348		/* Note: dev_set_drvdata must be called while holding the rwsem */
   349		if (dev->class == CL_EHCI) {

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