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Date:   Fri, 18 Dec 2020 14:39:33 +0800
From:   kernel test robot <lkp@...el.com>
To:     Saravana Kannan <saravanak@...gle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     kbuild-all@...ts.01.org, Saravana Kannan <saravanak@...gle.com>,
        kernel-team@...roid.com, linux-kernel@...r.kernel.org,
        Jisheng Zhang <Jisheng.Zhang@...aptics.com>,
        Kevin Hilman <khilman@...libre.com>,
        John Stultz <john.stultz@...aro.org>,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Marc Zyngier <maz@...nel.org>
Subject: Re: [PATCH v1 4/5] driver core: Handle cycles in device links
 created by fw_devlink

Hi Saravana,

I love your patch! Perhaps something to improve:

[auto build test WARNING on driver-core/driver-core-testing]
[also build test WARNING on linus/master next-20201217]
[cannot apply to linux/master v5.10]
[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/Saravana-Kannan/Enable-fw_devlink-on-by-default/20201218-112111
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git accefff5b547a9a1d959c7e76ad539bf2480e78b
config: i386-randconfig-s001-20201217 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-184-g1b896707-dirty
        # https://github.com/0day-ci/linux/commit/7bdc87ea0400318d827410f454ec7e5fbaf470c3
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Saravana-Kannan/Enable-fw_devlink-on-by-default/20201218-112111
        git checkout 7bdc87ea0400318d827410f454ec7e5fbaf470c3
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 

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


"sparse warnings: (new ones prefixed by >>)"
>> drivers/base/core.c:1522:5: sparse: sparse: symbol 'fw_devlink_relax_cycle' was not declared. Should it be static?

Please review and possibly fold the followup patch.

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

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