tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: ff90dfd2579b2c7bc1f0baa0cb99c918c6c1ec64 commit: bd80b5294a0d7da5debd5886cab55a7b96993992 [9712/11791] ALSA: virtio: introduce PCM channel map support 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=bd80b5294a0d7da5debd5886cab55a7b96993992 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 bd80b5294a0d7da5debd5886cab55a7b96993992 # 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 <rong.a.chen@xxxxxxxxx> "sparse warnings: (new ones prefixed by >>)" >> sound/virtio/virtio_chmap.c:66:9: sparse: sparse: no generic selection for 'restricted __le32 virtio_cread_v' >> sound/virtio/virtio_chmap.c:66:9: sparse: sparse: incompatible types in comparison expression (different base types): >> sound/virtio/virtio_chmap.c:66:9: sparse: bad type * >> sound/virtio/virtio_chmap.c:66:9: sparse: unsigned int * >> sound/virtio/virtio_chmap.c:66:9: sparse: sparse: no generic selection for 'restricted __le32 [addressable] virtio_cread_v' vim +66 sound/virtio/virtio_chmap.c bd80b5294a0d7d Anton Yakovlev 2021-02-09 50 bd80b5294a0d7d Anton Yakovlev 2021-02-09 51 /** bd80b5294a0d7d Anton Yakovlev 2021-02-09 52 * virtsnd_chmap_parse_cfg() - Parse the channel map configuration. bd80b5294a0d7d Anton Yakovlev 2021-02-09 53 * @snd: VirtIO sound device. bd80b5294a0d7d Anton Yakovlev 2021-02-09 54 * bd80b5294a0d7d Anton Yakovlev 2021-02-09 55 * This function is called during initial device initialization. bd80b5294a0d7d Anton Yakovlev 2021-02-09 56 * bd80b5294a0d7d Anton Yakovlev 2021-02-09 57 * Context: Any context that permits to sleep. bd80b5294a0d7d Anton Yakovlev 2021-02-09 58 * Return: 0 on success, -errno on failure. bd80b5294a0d7d Anton Yakovlev 2021-02-09 59 */ bd80b5294a0d7d Anton Yakovlev 2021-02-09 60 int virtsnd_chmap_parse_cfg(struct virtio_snd *snd) bd80b5294a0d7d Anton Yakovlev 2021-02-09 61 { bd80b5294a0d7d Anton Yakovlev 2021-02-09 62 struct virtio_device *vdev = snd->vdev; bd80b5294a0d7d Anton Yakovlev 2021-02-09 63 unsigned int i; bd80b5294a0d7d Anton Yakovlev 2021-02-09 64 int rc; bd80b5294a0d7d Anton Yakovlev 2021-02-09 65 bd80b5294a0d7d Anton Yakovlev 2021-02-09 @66 virtio_cread(vdev, struct virtio_snd_config, chmaps, &snd->nchmaps); bd80b5294a0d7d Anton Yakovlev 2021-02-09 67 if (!snd->nchmaps) bd80b5294a0d7d Anton Yakovlev 2021-02-09 68 return 0; bd80b5294a0d7d Anton Yakovlev 2021-02-09 69 bd80b5294a0d7d Anton Yakovlev 2021-02-09 70 snd->chmaps = devm_kcalloc(&vdev->dev, snd->nchmaps, bd80b5294a0d7d Anton Yakovlev 2021-02-09 71 sizeof(*snd->chmaps), GFP_KERNEL); bd80b5294a0d7d Anton Yakovlev 2021-02-09 72 if (!snd->chmaps) bd80b5294a0d7d Anton Yakovlev 2021-02-09 73 return -ENOMEM; bd80b5294a0d7d Anton Yakovlev 2021-02-09 74 bd80b5294a0d7d Anton Yakovlev 2021-02-09 75 rc = virtsnd_ctl_query_info(snd, VIRTIO_SND_R_CHMAP_INFO, 0, bd80b5294a0d7d Anton Yakovlev 2021-02-09 76 snd->nchmaps, sizeof(*snd->chmaps), bd80b5294a0d7d Anton Yakovlev 2021-02-09 77 snd->chmaps); bd80b5294a0d7d Anton Yakovlev 2021-02-09 78 if (rc) bd80b5294a0d7d Anton Yakovlev 2021-02-09 79 return rc; bd80b5294a0d7d Anton Yakovlev 2021-02-09 80 bd80b5294a0d7d Anton Yakovlev 2021-02-09 81 /* Count the number of channel maps per each PCM device/stream. */ bd80b5294a0d7d Anton Yakovlev 2021-02-09 82 for (i = 0; i < snd->nchmaps; ++i) { bd80b5294a0d7d Anton Yakovlev 2021-02-09 83 struct virtio_snd_chmap_info *info = &snd->chmaps[i]; bd80b5294a0d7d Anton Yakovlev 2021-02-09 84 unsigned int nid = le32_to_cpu(info->hdr.hda_fn_nid); bd80b5294a0d7d Anton Yakovlev 2021-02-09 85 struct virtio_pcm *vpcm; bd80b5294a0d7d Anton Yakovlev 2021-02-09 86 struct virtio_pcm_stream *vs; bd80b5294a0d7d Anton Yakovlev 2021-02-09 87 bd80b5294a0d7d Anton Yakovlev 2021-02-09 88 vpcm = virtsnd_pcm_find_or_create(snd, nid); bd80b5294a0d7d Anton Yakovlev 2021-02-09 89 if (IS_ERR(vpcm)) bd80b5294a0d7d Anton Yakovlev 2021-02-09 90 return PTR_ERR(vpcm); bd80b5294a0d7d Anton Yakovlev 2021-02-09 91 bd80b5294a0d7d Anton Yakovlev 2021-02-09 92 switch (info->direction) { bd80b5294a0d7d Anton Yakovlev 2021-02-09 93 case VIRTIO_SND_D_OUTPUT: bd80b5294a0d7d Anton Yakovlev 2021-02-09 94 vs = &vpcm->streams[SNDRV_PCM_STREAM_PLAYBACK]; bd80b5294a0d7d Anton Yakovlev 2021-02-09 95 break; bd80b5294a0d7d Anton Yakovlev 2021-02-09 96 case VIRTIO_SND_D_INPUT: bd80b5294a0d7d Anton Yakovlev 2021-02-09 97 vs = &vpcm->streams[SNDRV_PCM_STREAM_CAPTURE]; bd80b5294a0d7d Anton Yakovlev 2021-02-09 98 break; bd80b5294a0d7d Anton Yakovlev 2021-02-09 99 default: bd80b5294a0d7d Anton Yakovlev 2021-02-09 100 dev_err(&vdev->dev, bd80b5294a0d7d Anton Yakovlev 2021-02-09 101 "chmap #%u: unknown direction (%u)\n", i, bd80b5294a0d7d Anton Yakovlev 2021-02-09 102 info->direction); bd80b5294a0d7d Anton Yakovlev 2021-02-09 103 return -EINVAL; bd80b5294a0d7d Anton Yakovlev 2021-02-09 104 } bd80b5294a0d7d Anton Yakovlev 2021-02-09 105 bd80b5294a0d7d Anton Yakovlev 2021-02-09 106 vs->nchmaps++; bd80b5294a0d7d Anton Yakovlev 2021-02-09 107 } bd80b5294a0d7d Anton Yakovlev 2021-02-09 108 bd80b5294a0d7d Anton Yakovlev 2021-02-09 109 return 0; bd80b5294a0d7d Anton Yakovlev 2021-02-09 110 } bd80b5294a0d7d Anton Yakovlev 2021-02-09 111 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
Attachment:
.config.gz
Description: application/gzip
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