linux-kernel - drivers/clocksource/timer-ti-dm.c:1039:34: warning: 'omap_timer

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Message-ID: <202210171928.H90N0pmu-lkp@intel.com>
Date:   Mon, 17 Oct 2022 19:47:49 +0800
From:   kernel test robot <lkp@...el.com>
To:     Tony Lindgren <tony@...mide.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Daniel Lezcano <daniel.lezcano@...aro.org>
Subject: drivers/clocksource/timer-ti-dm.c:1039:34: warning:
 'omap_timer_match' defined but not used

Hi Tony,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   9abf2313adc1ca1b6180c508c25f22f9395cc780
commit: ab0bbef3ae0f6b5a3b60671cd0124d0fc4fc2567 clocksource/drivers/timer-ti-dm: Make timer selectable for ARCH_K3
date:   3 months ago
config: x86_64-buildonly-randconfig-r006-20221017
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ab0bbef3ae0f6b5a3b60671cd0124d0fc4fc2567
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout ab0bbef3ae0f6b5a3b60671cd0124d0fc4fc2567
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/clocksource/

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

All warnings (new ones prefixed by >>):

>> drivers/clocksource/timer-ti-dm.c:1039:34: warning: 'omap_timer_match' defined but not used [-Wunused-const-variable=]
    1039 | static const struct of_device_id omap_timer_match[] = {
         |                                  ^~~~~~~~~~~~~~~~


vim +/omap_timer_match +1039 drivers/clocksource/timer-ti-dm.c

d1c6ccfe3dbdd2d arch/arm/plat-omap/dmtimer.c Jon Hunter     2013-03-19  1038  
9725f4451a9ccd1 arch/arm/plat-omap/dmtimer.c Jon Hunter     2012-05-14 @1039  static const struct of_device_id omap_timer_match[] = {
d1c6ccfe3dbdd2d arch/arm/plat-omap/dmtimer.c Jon Hunter     2013-03-19  1040  	{
d1c6ccfe3dbdd2d arch/arm/plat-omap/dmtimer.c Jon Hunter     2013-03-19  1041  		.compatible = "ti,omap2420-timer",
d1c6ccfe3dbdd2d arch/arm/plat-omap/dmtimer.c Jon Hunter     2013-03-19  1042  	},
d1c6ccfe3dbdd2d arch/arm/plat-omap/dmtimer.c Jon Hunter     2013-03-19  1043  	{
d1c6ccfe3dbdd2d arch/arm/plat-omap/dmtimer.c Jon Hunter     2013-03-19  1044  		.compatible = "ti,omap3430-timer",
d1c6ccfe3dbdd2d arch/arm/plat-omap/dmtimer.c Jon Hunter     2013-03-19  1045  		.data = &omap3plus_pdata,
d1c6ccfe3dbdd2d arch/arm/plat-omap/dmtimer.c Jon Hunter     2013-03-19  1046  	},
d1c6ccfe3dbdd2d arch/arm/plat-omap/dmtimer.c Jon Hunter     2013-03-19  1047  	{
d1c6ccfe3dbdd2d arch/arm/plat-omap/dmtimer.c Jon Hunter     2013-03-19  1048  		.compatible = "ti,omap4430-timer",
d1c6ccfe3dbdd2d arch/arm/plat-omap/dmtimer.c Jon Hunter     2013-03-19  1049  		.data = &omap3plus_pdata,
d1c6ccfe3dbdd2d arch/arm/plat-omap/dmtimer.c Jon Hunter     2013-03-19  1050  	},
d1c6ccfe3dbdd2d arch/arm/plat-omap/dmtimer.c Jon Hunter     2013-03-19  1051  	{
d1c6ccfe3dbdd2d arch/arm/plat-omap/dmtimer.c Jon Hunter     2013-03-19  1052  		.compatible = "ti,omap5430-timer",
d1c6ccfe3dbdd2d arch/arm/plat-omap/dmtimer.c Jon Hunter     2013-03-19  1053  		.data = &omap3plus_pdata,
d1c6ccfe3dbdd2d arch/arm/plat-omap/dmtimer.c Jon Hunter     2013-03-19  1054  	},
d1c6ccfe3dbdd2d arch/arm/plat-omap/dmtimer.c Jon Hunter     2013-03-19  1055  	{
d1c6ccfe3dbdd2d arch/arm/plat-omap/dmtimer.c Jon Hunter     2013-03-19  1056  		.compatible = "ti,am335x-timer",
d1c6ccfe3dbdd2d arch/arm/plat-omap/dmtimer.c Jon Hunter     2013-03-19  1057  		.data = &omap3plus_pdata,
d1c6ccfe3dbdd2d arch/arm/plat-omap/dmtimer.c Jon Hunter     2013-03-19  1058  	},
d1c6ccfe3dbdd2d arch/arm/plat-omap/dmtimer.c Jon Hunter     2013-03-19  1059  	{
d1c6ccfe3dbdd2d arch/arm/plat-omap/dmtimer.c Jon Hunter     2013-03-19  1060  		.compatible = "ti,am335x-timer-1ms",
d1c6ccfe3dbdd2d arch/arm/plat-omap/dmtimer.c Jon Hunter     2013-03-19  1061  		.data = &omap3plus_pdata,
d1c6ccfe3dbdd2d arch/arm/plat-omap/dmtimer.c Jon Hunter     2013-03-19  1062  	},
8c0cabd7970c0d5 arch/arm/plat-omap/dmtimer.c Neil Armstrong 2015-10-22  1063  	{
8c0cabd7970c0d5 arch/arm/plat-omap/dmtimer.c Neil Armstrong 2015-10-22  1064  		.compatible = "ti,dm816-timer",
8c0cabd7970c0d5 arch/arm/plat-omap/dmtimer.c Neil Armstrong 2015-10-22  1065  		.data = &omap3plus_pdata,
8c0cabd7970c0d5 arch/arm/plat-omap/dmtimer.c Neil Armstrong 2015-10-22  1066  	},
9725f4451a9ccd1 arch/arm/plat-omap/dmtimer.c Jon Hunter     2012-05-14  1067  	{},
9725f4451a9ccd1 arch/arm/plat-omap/dmtimer.c Jon Hunter     2012-05-14  1068  };
9725f4451a9ccd1 arch/arm/plat-omap/dmtimer.c Jon Hunter     2012-05-14  1069  MODULE_DEVICE_TABLE(of, omap_timer_match);
9725f4451a9ccd1 arch/arm/plat-omap/dmtimer.c Jon Hunter     2012-05-14  1070  

:::::: The code at line 1039 was first introduced by commit
:::::: 9725f4451a9ccd159b1d13f63e05896cd9bce07d ARM: OMAP: Add DT support for timer driver

:::::: TO: Jon Hunter <jon-hunter@...com>
:::::: CC: Jon Hunter <jon-hunter@...com>

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