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Date: Fri, 17 Jul 2020 12:54:40 +0530
From: Vaibhav Gupta <vaibhavgupta40@...il.com>
To: kernel test robot <lkp@...el.com>
Cc: Bjorn Helgaas <helgaas@...nel.org>,
Vaibhav Gupta <vaibhav.varodek@...il.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
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
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@...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
Got it. Thanks!
Fixed in v3.
--Vaibhav Gupta
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