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Message-ID: <202304241433.VrIdTpGU-lkp@intel.com>
Date:   Mon, 24 Apr 2023 14:34:01 +0800
From:   kernel test robot <lkp@...el.com>
To:     Robin Murphy <robin.murphy@....com>
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        linux-kernel@...r.kernel.org, Joerg Roedel <jroedel@...e.de>
Subject: drivers/iommu/ipmmu-vmsa.c:946:34: warning: unused variable
 'ipmmu_of_ids'

Hi Robin,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   457391b0380335d5e9a5babdec90ac53928b23b4
commit: b87d6d7fa405e23478f1e1dff6d66b5a533a5433 iommu/ipmmu-vmsa: Clean up bus_set_iommu()
date:   8 months ago
config: x86_64-buildonly-randconfig-r002-20230424 (https://download.01.org/0day-ci/archive/20230424/202304241433.VrIdTpGU-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b87d6d7fa405e23478f1e1dff6d66b5a533a5433
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout b87d6d7fa405e23478f1e1dff6d66b5a533a5433
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/iommu/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304241433.VrIdTpGU-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/iommu/ipmmu-vmsa.c:946:34: warning: unused variable 'ipmmu_of_ids' [-Wunused-const-variable]
   static const struct of_device_id ipmmu_of_ids[] = {
                                    ^
   1 warning generated.


vim +/ipmmu_of_ids +946 drivers/iommu/ipmmu-vmsa.c

7a62ced8ebd0e1 Yoshihiro Shimoda       2021-09-07  945  
33f3ac9b511612 Magnus Damm             2017-10-16 @946  static const struct of_device_id ipmmu_of_ids[] = {
33f3ac9b511612 Magnus Damm             2017-10-16  947  	{
33f3ac9b511612 Magnus Damm             2017-10-16  948  		.compatible = "renesas,ipmmu-vmsa",
33f3ac9b511612 Magnus Damm             2017-10-16  949  		.data = &ipmmu_features_default,
60fb0083c9d43b Fabrizio Castro         2018-08-23  950  	}, {
60fb0083c9d43b Fabrizio Castro         2018-08-23  951  		.compatible = "renesas,ipmmu-r8a774a1",
60fb0083c9d43b Fabrizio Castro         2018-08-23  952  		.data = &ipmmu_features_rcar_gen3,
757f26a3a9ec2c Biju Das                2019-09-27  953  	}, {
757f26a3a9ec2c Biju Das                2019-09-27  954  		.compatible = "renesas,ipmmu-r8a774b1",
757f26a3a9ec2c Biju Das                2019-09-27  955  		.data = &ipmmu_features_rcar_gen3,
b6d39cd82241bf Fabrizio Castro         2018-12-13  956  	}, {
b6d39cd82241bf Fabrizio Castro         2018-12-13  957  		.compatible = "renesas,ipmmu-r8a774c0",
b6d39cd82241bf Fabrizio Castro         2018-12-13  958  		.data = &ipmmu_features_rcar_gen3,
4b2aa7a6f9b793 Marian-Cristian Rotariu 2020-07-14  959  	}, {
4b2aa7a6f9b793 Marian-Cristian Rotariu 2020-07-14  960  		.compatible = "renesas,ipmmu-r8a774e1",
4b2aa7a6f9b793 Marian-Cristian Rotariu 2020-07-14  961  		.data = &ipmmu_features_rcar_gen3,
58b8e8bf409236 Magnus Damm             2017-10-16  962  	}, {
58b8e8bf409236 Magnus Damm             2017-10-16  963  		.compatible = "renesas,ipmmu-r8a7795",
0b8ac1409641e1 Magnus Damm             2018-06-14  964  		.data = &ipmmu_features_rcar_gen3,
0b8ac1409641e1 Magnus Damm             2018-06-14  965  	}, {
0b8ac1409641e1 Magnus Damm             2018-06-14  966  		.compatible = "renesas,ipmmu-r8a7796",
0b8ac1409641e1 Magnus Damm             2018-06-14  967  		.data = &ipmmu_features_rcar_gen3,
17fe1618163980 Yoshihiro Shimoda       2020-06-11  968  	}, {
17fe1618163980 Yoshihiro Shimoda       2020-06-11  969  		.compatible = "renesas,ipmmu-r8a77961",
17fe1618163980 Yoshihiro Shimoda       2020-06-11  970  		.data = &ipmmu_features_rcar_gen3,
98dbffd39a6513 Jacopo Mondi            2018-06-14  971  	}, {
98dbffd39a6513 Jacopo Mondi            2018-06-14  972  		.compatible = "renesas,ipmmu-r8a77965",
98dbffd39a6513 Jacopo Mondi            2018-06-14  973  		.data = &ipmmu_features_rcar_gen3,
3701c123e1c13c Simon Horman            2018-06-14  974  	}, {
3701c123e1c13c Simon Horman            2018-06-14  975  		.compatible = "renesas,ipmmu-r8a77970",
3701c123e1c13c Simon Horman            2018-06-14  976  		.data = &ipmmu_features_rcar_gen3,
1cdeb52e5c245b Nikita Yushchenko       2021-09-23  977  	}, {
1cdeb52e5c245b Nikita Yushchenko       2021-09-23  978  		.compatible = "renesas,ipmmu-r8a77980",
1cdeb52e5c245b Nikita Yushchenko       2021-09-23  979  		.data = &ipmmu_features_rcar_gen3,
b0c32912150565 Hai Nguyen Pham         2018-10-17  980  	}, {
b0c32912150565 Hai Nguyen Pham         2018-10-17  981  		.compatible = "renesas,ipmmu-r8a77990",
b0c32912150565 Hai Nguyen Pham         2018-10-17  982  		.data = &ipmmu_features_rcar_gen3,
3701c123e1c13c Simon Horman            2018-06-14  983  	}, {
3701c123e1c13c Simon Horman            2018-06-14  984  		.compatible = "renesas,ipmmu-r8a77995",
3701c123e1c13c Simon Horman            2018-06-14  985  		.data = &ipmmu_features_rcar_gen3,
7a62ced8ebd0e1 Yoshihiro Shimoda       2021-09-07  986  	}, {
7a62ced8ebd0e1 Yoshihiro Shimoda       2021-09-07  987  		.compatible = "renesas,ipmmu-r8a779a0",
ae684caf465b7d Yoshihiro Shimoda       2022-02-08  988  		.data = &ipmmu_features_rcar_gen4,
ae684caf465b7d Yoshihiro Shimoda       2022-02-08  989  	}, {
9f7d09fe23a011 Yoshihiro Shimoda       2022-06-17  990  		.compatible = "renesas,rcar-gen4-ipmmu-vmsa",
ae684caf465b7d Yoshihiro Shimoda       2022-02-08  991  		.data = &ipmmu_features_rcar_gen4,
33f3ac9b511612 Magnus Damm             2017-10-16  992  	}, {
33f3ac9b511612 Magnus Damm             2017-10-16  993  		/* Terminator */
33f3ac9b511612 Magnus Damm             2017-10-16  994  	},
33f3ac9b511612 Magnus Damm             2017-10-16  995  };
33f3ac9b511612 Magnus Damm             2017-10-16  996  

:::::: The code at line 946 was first introduced by commit
:::::: 33f3ac9b511612153bae1d328b0c84c0367cd08d iommu/ipmmu-vmsa: Introduce features, break out alias

:::::: TO: Magnus Damm <damm+renesas@...nsource.se>
:::::: CC: Alex Williamson <alex.williamson@...hat.com>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests

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