From: Mark Brown <broonie@kernel.org>
To: Nathan Chancellor <natechancellor@gmail.com>
Cc: kernel test robot <lkp@intel.com>,
Sven Van Asbroeck <thesven73@gmail.com>,
kbuild-all@lists.01.org, clang-built-linux@googlegroups.com,
linux-kernel@vger.kernel.org
Subject: Re: sound/soc/codecs/zl38060.c:614:34: warning: unused variable 'zl38_dt_ids'
Date: Fri, 10 Jul 2020 13:24:59 +0100 [thread overview]
Message-ID: <20200710122459.GE5653@sirena.org.uk> (raw)
In-Reply-To: <20200710024100.GA2055744@ubuntu-n2-xlarge-x86>
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On Thu, Jul 09, 2020 at 07:41:00PM -0700, Nathan Chancellor wrote:
> When CONFIG_SND_SOC_ZL38060 is y, MODULE_DEVICE_TABLE expands to nothing
> so zl38_dt_ids will be unused. This is a pretty common construct in the
> kernel and the only way I can think of to resolve this through the code
> is by adding __used annotations to all of these variables, which I think
> is overkill for this.
> Personally, I think this warning should be downgraded to W=2, thoughts?
We've had that warning available for ever, we shouldn't need to disable
it now. I had thought there was supposed to be magic which caused
of_match_ptr() to make things look referenced when !OF but don't seem to
actually see any sign of it. The other thing is to just have ifdefs
around the table.
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next prev parent reply other threads:[~2020-07-10 12:25 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-09 16:47 kernel test robot
2020-07-10 2:41 ` Nathan Chancellor
2020-07-10 12:24 ` Mark Brown [this message]
2020-07-11 3:30 ` Nathan Chancellor
2020-07-11 15:08 ` Sven Van Asbroeck
-- strict thread matches above, loose matches on Subject: below --
2021-05-06 5:42 kernel test robot
2020-10-12 19:17 kernel test robot
2020-09-19 17:56 kernel test robot
2020-07-06 2:49 kernel test robot
2020-06-17 8:43 kernel test robot
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