On Sun, Oct 6, 2019 at 12:54 AM kbuild test robot <lkp@xxxxxxxxx> wrote: > url: https://github.com/0day-ci/linux/commits/Tzung-Bi-Shih/ASoC-mediatek-mt8183-mt6358-ts3a227-max98357-support-WoV/20191005-171021 > base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next > reproduce: > # apt-get install sparse > # sparse version: v0.6.1-rc1-42-g38eda53-dirty > make ARCH=x86_64 allmodconfig > make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot <lkp@xxxxxxxxx> > > > sparse warnings: (new ones prefixed by >>) > > >> sound/soc/codecs/cros_ec_codec.c:430:39: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] <asvoid * @@ > >> sound/soc/codecs/cros_ec_codec.c:430:39: sparse: expected void * > >> sound/soc/codecs/cros_ec_codec.c:430:39: sparse: got void [noderef] <asn:2> * > >> sound/soc/codecs/cros_ec_codec.c:549:69: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got latile [noderef] <asn:2> * @@ > >> sound/soc/codecs/cros_ec_codec.c:549:69: sparse: expected void const volatile [noderef] <asn:2> * > >> sound/soc/codecs/cros_ec_codec.c:549:69: sparse: got unsigned char [usertype] *addr > >> sound/soc/codecs/cros_ec_codec.c:698:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] <asn:2> * @@ got latile [noderef] <asn:2> * @@ > >> sound/soc/codecs/cros_ec_codec.c:698:33: sparse: expected void volatile [noderef] <asn:2> * > >> sound/soc/codecs/cros_ec_codec.c:698:33: sparse: got unsigned char [usertype] *wov_lang_shm_p > sound/soc/codecs/cros_ec_codec.c:699:48: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] <asn:2> * @@ got latile [noderef] <asn:2> * @@ > sound/soc/codecs/cros_ec_codec.c:699:48: sparse: expected void volatile [noderef] <asn:2> * > >> sound/soc/codecs/cros_ec_codec.c:699:48: sparse: got unsigned char [usertype] * I cannot reproduce the same sparse errors. My commit stack: apply my patches onto broonie/sound.git for-next $ git log --oneline b4471777f5d8 (HEAD -> draft) ASoC: mediatek: mt8183: support WoV b6bb558fa59d ASoC: dt-bindings: mt8183: add ec-codec a08bede115d4 ASoC: mediatek: mt6358: support WoV f67068fd0c91 ASoC: cros_ec_codec: support WoV 7e11271c070e ASoC: dt-bindings: cros_ec_codec: add SHM bindings fd04f20e77d3 ASoC: cros_ec_codec: read max DMIC gain from EC codec c008f01d5bc3 platform/chrome: cros_ec: add common commands for EC codec 50d2c1f9b1f4 ASoC: cros_ec_codec: extract DMIC EC command from I2S RX 00e5a1c121eb ASoC: cros_ec_codec: refactor I2S RX 3f0c475d6ec8 platform/chrome: cros_ec: remove unused EC feature 3877dcd0194c (mark/for-next, asoc-next) Merge branch 'asoc-5.5' into asoc-next My reproduce steps: $ make ARCH=x86_64 mrproper $ make ARCH=x86_64 allmodconfig $ make ARCH=x86_64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' -j40 2>&1 | grep -v sched | tee log.txt (Note: filter sched out to not get flood sparse errors) $ grep cros_ec_codec log.txt CHECK sound/soc/codecs/cros_ec_codec.c CC [M] sound/soc/codecs/cros_ec_codec.o It did not generate the same message as 0day reported. One difference would be the sparse version (it is from "apt install" in my environment): $ sparse --version 0.6.0 (Debian: 0.6.0-3) On the other hand, 0day used "v0.6.1-rc1-42-g38eda53-dirty". Guenter, what we could do in the case? Do you have any idea?
