Re: [RFC PATCH] Add bridge driver to connect sensors to CIO2 device via software nodes on ACPI platforms

From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [RFC PATCH] Add bridge driver to connect sensors to CIO2 device via software nodes on ACPI platforms
Date: Thu, 17 Sep 2020 08:17:35 +0800	[thread overview]
Message-ID: <202009170857.MRcv1Mke%lkp@intel.com> (raw)
In-Reply-To: <20200916213618.8003-1-djrscally@gmail.com>

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Hi Daniel,

[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on linus/master]
[also build test WARNING on sparc-next/master v5.9-rc5 next-20200916]
[cannot apply to linuxtv-media/master]
[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/Daniel-Scally/Add-bridge-driver-to-connect-sensors-to-CIO2-device-via-software-nodes-on-ACPI-platforms/20200917-053714
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 5925fa68fe8244651b3f78a88c4af99190a88f0d
config: s390-allyesconfig (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 warnings (new ones prefixed by >>):

>> drivers/media/pci/intel/ipu3/ipu3-cio2.c:1746:6: warning: no previous prototype for 'cio2_sync_state' [-Wmissing-prototypes]
    1746 | void cio2_sync_state(struct device *dev)
         |      ^~~~~~~~~~~~~~~

# https://github.com/0day-ci/linux/commit/d8d13ef927def4ddc8948d05ba7c606253a1e1df
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Daniel-Scally/Add-bridge-driver-to-connect-sensors-to-CIO2-device-via-software-nodes-on-ACPI-platforms/20200917-053714
git checkout d8d13ef927def4ddc8948d05ba7c606253a1e1df
vim +/cio2_sync_state +1746 drivers/media/pci/intel/ipu3/ipu3-cio2.c

  1745	
> 1746	void cio2_sync_state(struct device *dev)
  1747	{
  1748		struct cio2_device *cio2;
  1749		int ret = 0;
  1750	
  1751		if (IS_ENABLED(CONFIG_ACPI)) {
  1752			cio2 = dev_get_drvdata(dev);
  1753	
  1754			if (!cio2) {
  1755				dev_err(dev, "Failed to retrieve driver data\n");
  1756				return;
  1757			}
  1758	
  1759			/* insert the bridge driver to connect sensors via software nodes */
  1760			ret = request_module("cio2-bridge");
  1761	
  1762			if (ret)
  1763				dev_err(dev, "Failed to insert cio2-bridge\n");
  1764	
  1765			ret = cio2_parse_firmware(cio2);
  1766	
  1767			if (ret) {
  1768				v4l2_async_notifier_unregister(&cio2->notifier);
  1769				v4l2_async_notifier_cleanup(&cio2->notifier);
  1770				cio2_queues_exit(cio2);
  1771			}
  1772		}
  1773	}
  1774	

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

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