drivers/iommu/ipmmu-vmsa.c:946:34: warning: 'ipmmu_of_ids' defined but not used
From: kernel test robot
Date: Sat May 27 2023 - 19:39:06 EST
Hi Robin,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 4e893b5aa4ac2c8a56a40d18fe87e9d2295e5dcf
commit: b87d6d7fa405e23478f1e1dff6d66b5a533a5433 iommu/ipmmu-vmsa: Clean up bus_set_iommu()
date: 9 months ago
config: x86_64-buildonly-randconfig-r001-20230528 (https://download.01.org/0day-ci/archive/20230528/202305280730.ejrHBC6n-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build):
# 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
make W=1 O=build_dir ARCH=x86_64 olddefconfig
make 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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202305280730.ejrHBC6n-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
>> drivers/iommu/ipmmu-vmsa.c:946:34: warning: 'ipmmu_of_ids' defined but not used [-Wunused-const-variable=]
946 | static const struct of_device_id ipmmu_of_ids[] = {
| ^~~~~~~~~~~~
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@xxxxxxxxxxxxx>
:::::: CC: Alex Williamson <alex.williamson@xxxxxxxxxx>
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