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Subject: Re: [PATCH v2 4/6] cx88: use generic power management
To:     Vaibhav Gupta <vaibhavgupta40@gmail.com>,
        linux-media@vger.kernel.org
Cc:     Bjorn Helgaas <helgaas@kernel.org>,
        Vaibhav Gupta <vaibhav.varodek@gmail.com>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
        linux-kernel-mentees@lists.linuxfoundation.org,
        Shuah Khan <skhan@linuxfoundation.org>
References: <20200717035608.97254-5-vaibhavgupta40@gmail.com>
 <202007171515.gDbDZtkQ%lkp@intel.com> <20200717072440.GA217230@gmail.com>
 <20200717103105.GA452501@gmail.com>
From:   Hans Verkuil <hverkuil@xs4all.nl>
Message-ID: <1b3303cb-31c1-f7a6-d6eb-c64cd6f40db6@xs4all.nl>
Date:   Fri, 17 Jul 2020 12:49:43 +0200
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On 17/07/2020 12:31, Vaibhav Gupta wrote:
> On Fri, Jul 17, 2020 at 12:54:40PM +0530, Vaibhav Gupta wrote:
>> On Fri, Jul 17, 2020 at 03:14:28PM +0800, kernel test robot wrote:
>>> 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@intel.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
>>
>> Got it. Thanks!
>> Fixed in v3.
>>
>> --Vaibhav Gupta
> 
> I fixed the error reported, in this v2 patch-series, by Kbuild and floated v3
> in the mailing list.
> But then I got notification from "[linux-media] Patchwork". It has applied my
> v2 patch series. Please use v3.

The message you got should say that is was superseded, not accepted.

I only marked v2 as Superseded, it wasn't applied.

Regards,

	Hans

> 
> --Vaibhav Gupta
>