CC: kbuild-all(a)lists.01.org CC: Linux Memory Management List TO: Anton Yakovlev CC: "Michael S. Tsirkin" tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: ff90dfd2579b2c7bc1f0baa0cb99c918c6c1ec64 commit: 4cf27dfcc72da53eb1fb6ea7fb405b33b28a7136 [9711/11791] ALSA: virtio: introduce jack support :::::: branch date: 27 hours ago :::::: commit date: 9 days ago config: microblaze-randconfig-s031-20210219 (attached as .config) compiler: microblaze-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-229-g60c1f270-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=4cf27dfcc72da53eb1fb6ea7fb405b33b28a7136 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 4cf27dfcc72da53eb1fb6ea7fb405b33b28a7136 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=microblaze If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot "sparse warnings: (new ones prefixed by >>)" >> sound/virtio/virtio_jack.c:138:9: sparse: sparse: no generic selection for 'restricted __le32 virtio_cread_v' >> sound/virtio/virtio_jack.c:138:9: sparse: sparse: incompatible types in comparison expression (different base types): >> sound/virtio/virtio_jack.c:138:9: sparse: bad type * >> sound/virtio/virtio_jack.c:138:9: sparse: unsigned int * >> sound/virtio/virtio_jack.c:138:9: sparse: sparse: no generic selection for 'restricted __le32 [addressable] virtio_cread_v' vim +138 sound/virtio/virtio_jack.c 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 121 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 122 /** 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 123 * virtsnd_jack_parse_cfg() - Parse the jack configuration. 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 124 * @snd: VirtIO sound device. 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 125 * 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 126 * This function is called during initial device initialization. 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 127 * 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 128 * Context: Any context that permits to sleep. 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 129 * Return: 0 on success, -errno on failure. 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 130 */ 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 131 int virtsnd_jack_parse_cfg(struct virtio_snd *snd) 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 132 { 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 133 struct virtio_device *vdev = snd->vdev; 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 134 struct virtio_snd_jack_info *info; 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 135 unsigned int i; 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 136 int rc; 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 137 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 @138 virtio_cread(snd->vdev, struct virtio_snd_config, jacks, &snd->njacks); 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 139 if (!snd->njacks) 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 140 return 0; 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 141 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 142 snd->jacks = devm_kcalloc(&vdev->dev, snd->njacks, sizeof(*snd->jacks), 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 143 GFP_KERNEL); 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 144 if (!snd->jacks) 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 145 return -ENOMEM; 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 146 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 147 info = kcalloc(snd->njacks, sizeof(*info), GFP_KERNEL); 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 148 if (!info) 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 149 return -ENOMEM; 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 150 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 151 rc = virtsnd_ctl_query_info(snd, VIRTIO_SND_R_JACK_INFO, 0, snd->njacks, 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 152 sizeof(*info), info); 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 153 if (rc) 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 154 goto on_exit; 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 155 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 156 for (i = 0; i < snd->njacks; ++i) { 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 157 struct virtio_jack *vjack = &snd->jacks[i]; 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 158 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 159 vjack->nid = le32_to_cpu(info[i].hdr.hda_fn_nid); 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 160 vjack->features = le32_to_cpu(info[i].features); 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 161 vjack->defconf = le32_to_cpu(info[i].hda_reg_defconf); 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 162 vjack->caps = le32_to_cpu(info[i].hda_reg_caps); 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 163 vjack->connected = info[i].connected; 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 164 } 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 165 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 166 on_exit: 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 167 kfree(info); 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 168 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 169 return rc; 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 170 } 4cf27dfcc72da5 Anton Yakovlev 2021-02-09 171 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org