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Date:   Fri, 17 Jul 2020 15:14:28 +0800
From:   kernel test robot <lkp@...el.com>
To:     Vaibhav Gupta <vaibhavgupta40@...il.com>,
        Bjorn Helgaas <helgaas@...nel.org>,
        Vaibhav Gupta <vaibhav.varodek@...il.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-media@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH v2 4/6] cx88: use generic power management

Hi Vaibhav,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linuxtv-media/master]
[also build test ERROR on pci/next v5.8-rc5 next-20200716]
[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/Vaibhav-Gupta/pci-use-generic-power-management/20200717-120145
base:   git://linuxtv.org/media_tree.git master
config: s390-allmodconfig (attached as .config)
compiler: s390-linux-gcc (GCC) 9.3.0
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
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=s390 

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

All errors (new ones prefixed by >>):

   drivers/media/pci/cx88/cx88-video.c: In function 'cx8800_suspend':
>> drivers/media/pci/cx88/cx88-video.c:1564:3: error: implicit declaration of function 'stop_video_dma'; did you mean 'start_video_dma'? [-Werror=implicit-function-declaration]
    1564 |   stop_video_dma(dev);
         |   ^~~~~~~~~~~~~~
         |   start_video_dma
   drivers/media/pci/cx88/cx88-video.c: In function 'cx8800_resume':
>> drivers/media/pci/cx88/cx88-video.c:1600:3: error: implicit declaration of function 'restart_video_queue'; did you mean 'start_video_dma'? [-Werror=implicit-function-declaration]
    1600 |   restart_video_queue(dev, &dev->vidq);
         |   ^~~~~~~~~~~~~~~~~~~
         |   start_video_dma
   cc1: some warnings being treated as errors

vim +1564 drivers/media/pci/cx88/cx88-video.c

^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1553  
3bdbfebc5677cf drivers/media/pci/cx88/cx88-video.c   Vaibhav Gupta         2020-07-17  1554  static int __maybe_unused cx8800_suspend(struct device *dev_d)
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1555  {
3bdbfebc5677cf drivers/media/pci/cx88/cx88-video.c   Vaibhav Gupta         2020-07-17  1556  	struct cx8800_dev *dev = dev_get_drvdata(dev_d);
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1557  	struct cx88_core *core = dev->core;
5ddfbbb9ca2e74 drivers/media/pci/cx88/cx88-video.c   Alexey Khoroshilov    2013-04-13  1558  	unsigned long flags;
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1559  
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1560  	/* stop video+vbi capture */
5ddfbbb9ca2e74 drivers/media/pci/cx88/cx88-video.c   Alexey Khoroshilov    2013-04-13  1561  	spin_lock_irqsave(&dev->slock, flags);
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1562  	if (!list_empty(&dev->vidq.active)) {
65bc2fe86e6670 drivers/media/pci/cx88/cx88-video.c   Mauro Carvalho Chehab 2016-11-13  1563  		pr_info("suspend video\n");
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16 @1564  		stop_video_dma(dev);
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1565  	}
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1566  	if (!list_empty(&dev->vbiq.active)) {
65bc2fe86e6670 drivers/media/pci/cx88/cx88-video.c   Mauro Carvalho Chehab 2016-11-13  1567  		pr_info("suspend vbi\n");
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1568  		cx8800_stop_vbi_dma(dev);
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1569  	}
5ddfbbb9ca2e74 drivers/media/pci/cx88/cx88-video.c   Alexey Khoroshilov    2013-04-13  1570  	spin_unlock_irqrestore(&dev->slock, flags);
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1571  
13595a51c0da8e drivers/media/video/cx88/cx88-video.c Mauro Carvalho Chehab 2007-10-01  1572  	if (core->ir)
92f4fc10d7ba01 drivers/media/video/cx88/cx88-video.c Mauro Carvalho Chehab 2010-03-31  1573  		cx88_ir_stop(core);
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1574  	/* FIXME -- shutdown device */
e52e98a7eccfb0 drivers/media/video/cx88/cx88-video.c Mauro Carvalho Chehab 2005-09-09  1575  	cx88_shutdown(core);
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1576  
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1577  	dev->state.disabled = 1;
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1578  	return 0;
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1579  }
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1580  
3bdbfebc5677cf drivers/media/pci/cx88/cx88-video.c   Vaibhav Gupta         2020-07-17  1581  static int __maybe_unused cx8800_resume(struct device *dev_d)
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1582  {
3bdbfebc5677cf drivers/media/pci/cx88/cx88-video.c   Vaibhav Gupta         2020-07-17  1583  	struct cx8800_dev *dev = dev_get_drvdata(dev_d);
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1584  	struct cx88_core *core = dev->core;
5ddfbbb9ca2e74 drivers/media/pci/cx88/cx88-video.c   Alexey Khoroshilov    2013-04-13  1585  	unsigned long flags;
08adb9e20be83b drivers/media/video/cx88/cx88-video.c Mauro Carvalho Chehab 2005-09-09  1586  
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1587  	dev->state.disabled = 0;
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1588  
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1589  	/* FIXME: re-initialize hardware */
e52e98a7eccfb0 drivers/media/video/cx88/cx88-video.c Mauro Carvalho Chehab 2005-09-09  1590  	cx88_reset(core);
13595a51c0da8e drivers/media/video/cx88/cx88-video.c Mauro Carvalho Chehab 2007-10-01  1591  	if (core->ir)
92f4fc10d7ba01 drivers/media/video/cx88/cx88-video.c Mauro Carvalho Chehab 2010-03-31  1592  		cx88_ir_start(core);
13595a51c0da8e drivers/media/video/cx88/cx88-video.c Mauro Carvalho Chehab 2007-10-01  1593  
13595a51c0da8e drivers/media/video/cx88/cx88-video.c Mauro Carvalho Chehab 2007-10-01  1594  	cx_set(MO_PCI_INTMSK, core->pci_irqmask);
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1595  
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1596  	/* restart video+vbi capture */
5ddfbbb9ca2e74 drivers/media/pci/cx88/cx88-video.c   Alexey Khoroshilov    2013-04-13  1597  	spin_lock_irqsave(&dev->slock, flags);
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1598  	if (!list_empty(&dev->vidq.active)) {
65bc2fe86e6670 drivers/media/pci/cx88/cx88-video.c   Mauro Carvalho Chehab 2016-11-13  1599  		pr_info("resume video\n");
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16 @1600  		restart_video_queue(dev, &dev->vidq);
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1601  	}
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1602  	if (!list_empty(&dev->vbiq.active)) {
65bc2fe86e6670 drivers/media/pci/cx88/cx88-video.c   Mauro Carvalho Chehab 2016-11-13  1603  		pr_info("resume vbi\n");
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1604  		cx8800_restart_vbi_queue(dev, &dev->vbiq);
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1605  	}
5ddfbbb9ca2e74 drivers/media/pci/cx88/cx88-video.c   Alexey Khoroshilov    2013-04-13  1606  	spin_unlock_irqrestore(&dev->slock, flags);
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1607  
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1608  	return 0;
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1609  }
^1da177e4c3f41 drivers/media/video/cx88/cx88-video.c Linus Torvalds        2005-04-16  1610  

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

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