linux-kernel - Re: drivers/mux/adg792a.c:134:34: warning: 'adg792a_of

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Date:   Sun, 5 Nov 2023 20:08:40 +0000
From:   Chris Packham <Chris.Packham@...iedtelesis.co.nz>
To:     kernel test robot <lkp@...el.com>
CC:     "oe-kbuild-all@...ts.linux.dev" <oe-kbuild-all@...ts.linux.dev>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Mark Brown <broonie@...nel.org>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Subject: Re: drivers/mux/adg792a.c:134:34: warning: 'adg792a_of_match' defined
 but not used


On 5/11/23 18:02, kernel test robot wrote:
> Hi Chris,
>
> First bad commit (maybe != root cause):
>
> tree:   https://scanmail.trustwave.com/?c=20988&d=s6LH5Y7HiCJ1b6-4oP--FMP_NIoKokMD3iOna8wtMw&u=https%3a%2f%2fgit%2ekernel%2eorg%2fpub%2fscm%2flinux%2fkernel%2fgit%2ftorvalds%2flinux%2egit master
> head:   aea6bf908d730b01bd264a8821159db9463c111c
> commit: e9e40543ad5b38b848879768359fd13650529961 spi: Add generic SPI multiplexer
> date:   3 years, 9 months ago
> config: i386-randconfig-004-20231101 (https://scanmail.trustwave.com/?c=20988&d=s6LH5Y7HiCJ1b6-4oP--FMP_NIoKokMD3nOja5wtNg&u=https%3a%2f%2fdownload%2e01%2eorg%2f0day-ci%2farchive%2f20231105%2f202311051347%2e7J6bthD7-lkp%40intel%2ecom%2fconfig)
> compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
> reproduce (this is a W=1 build): (https://scanmail.trustwave.com/?c=20988&d=s6LH5Y7HiCJ1b6-4oP--FMP_NIoKokMD3nGlbZkuYA&u=https%3a%2f%2fdownload%2e01%2eorg%2f0day-ci%2farchive%2f20231105%2f202311051347%2e7J6bthD7-lkp%40intel%2ecom%2freproduce)
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@...el.com>
> | Closes: https://scanmail.trustwave.com/?c=20988&d=s6LH5Y7HiCJ1b6-4oP--FMP_NIoKokMD3imkZ8ssZQ&u=https%3a%2f%2flore%2ekernel%2eorg%2foe-kbuild-all%2f202311051347%2e7J6bthD7-lkp%40intel%2ecom%2f
>
> All warnings (new ones prefixed by >>):
>
>>> drivers/mux/adg792a.c:134:34: warning: 'adg792a_of_match' defined but not used [-Wunused-const-variable=]
>       134 | static const struct of_device_id adg792a_of_match[] = {
>           |                                  ^~~~~~~~~~~~~~~~
>
>
> vim +/adg792a_of_match +134 drivers/mux/adg792a.c
>
> afda08c4caa948 drivers/mux/mux-adg792a.c Peter Rosin 2017-05-14  133
> afda08c4caa948 drivers/mux/mux-adg792a.c Peter Rosin 2017-05-14 @134  static const struct of_device_id adg792a_of_match[] = {
> afda08c4caa948 drivers/mux/mux-adg792a.c Peter Rosin 2017-05-14  135  	{ .compatible = "adi,adg792a", },
> afda08c4caa948 drivers/mux/mux-adg792a.c Peter Rosin 2017-05-14  136  	{ .compatible = "adi,adg792g", },
> afda08c4caa948 drivers/mux/mux-adg792a.c Peter Rosin 2017-05-14  137  	{ }
> afda08c4caa948 drivers/mux/mux-adg792a.c Peter Rosin 2017-05-14  138  };
> afda08c4caa948 drivers/mux/mux-adg792a.c Peter Rosin 2017-05-14  139  MODULE_DEVICE_TABLE(of, adg792a_of_match);
> afda08c4caa948 drivers/mux/mux-adg792a.c Peter Rosin 2017-05-14  140
>
> :::::: The code at line 134 was first introduced by commit
> :::::: afda08c4caa9489511557def51e322a5f2142a2f mux: adg792a: add mux controller driver for ADG792A/G
>
> :::::: TO: Peter Rosin <peda@...ntia.se>
> :::::: CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

I'm gonna go ahead and plead innocent on this one.

>