tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 65f0d2414b7079556fbbcc070b3d1c9f9587606d commit: 8f28ca6bd8211214faf717677bbffe375c2a6072 iomap: constify ioreadX() iomem argument (as in generic implementation) date: 5 months ago config: alpha-randconfig-s032-20210113 (attached as .config) compiler: alpha-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: v0.6.3-208-g46a52ca4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 8f28ca6bd8211214faf717677bbffe375c2a6072 # 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=alpha If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; "sparse warnings: (new ones prefixed by >>)" drivers/spi/spi-lp8841-rtc.c:112:41: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *iomem @@ drivers/spi/spi-lp8841-rtc.c:112:41: sparse: expected void volatile [noderef] __iomem *addr drivers/spi/spi-lp8841-rtc.c:112:41: sparse: got void *iomem drivers/spi/spi-lp8841-rtc.c:121:41: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *iomem @@ drivers/spi/spi-lp8841-rtc.c:121:41: sparse: expected void volatile [noderef] __iomem *addr drivers/spi/spi-lp8841-rtc.c:121:41: sparse: got void *iomem drivers/spi/spi-lp8841-rtc.c:143:33: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *iomem @@ drivers/spi/spi-lp8841-rtc.c:143:33: sparse: expected void volatile [noderef] __iomem *addr drivers/spi/spi-lp8841-rtc.c:143:33: sparse: got void *iomem drivers/spi/spi-lp8841-rtc.c:147:41: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *iomem @@ drivers/spi/spi-lp8841-rtc.c:147:41: sparse: expected void volatile [noderef] __iomem *addr drivers/spi/spi-lp8841-rtc.c:147:41: sparse: got void *iomem drivers/spi/spi-lp8841-rtc.c:209:21: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *iomem @@ got void [noderef] __iomem * @@ drivers/spi/spi-lp8841-rtc.c:209:21: sparse: expected void *iomem drivers/spi/spi-lp8841-rtc.c:209:21: sparse: got void [noderef] __iomem * drivers/spi/spi-lp8841-rtc.c:57:33: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *iomem @@ drivers/spi/spi-lp8841-rtc.c:57:33: sparse: expected void volatile [noderef] __iomem *addr drivers/spi/spi-lp8841-rtc.c:57:33: sparse: got void *iomem drivers/spi/spi-lp8841-rtc.c:63:28: sparse: expected void const [noderef] __iomem *addr drivers/spi/spi-lp8841-rtc.c:63:28: sparse: got void *iomem drivers/spi/spi-lp8841-rtc.c:47:33: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *iomem @@ drivers/spi/spi-lp8841-rtc.c:47:33: sparse: expected void volatile [noderef] __iomem *addr drivers/spi/spi-lp8841-rtc.c:47:33: sparse: got void *iomem drivers/spi/spi-lp8841-rtc.c:47:33: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *iomem @@ drivers/spi/spi-lp8841-rtc.c:47:33: sparse: expected void volatile [noderef] __iomem *addr drivers/spi/spi-lp8841-rtc.c:47:33: sparse: got void *iomem drivers/spi/spi-lp8841-rtc.c:57:33: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *iomem @@ drivers/spi/spi-lp8841-rtc.c:57:33: sparse: expected void volatile [noderef] __iomem *addr drivers/spi/spi-lp8841-rtc.c:57:33: sparse: got void *iomem drivers/spi/spi-lp8841-rtc.c:63:28: sparse: expected void const [noderef] __iomem *addr drivers/spi/spi-lp8841-rtc.c:63:28: sparse: got void *iomem drivers/spi/spi-lp8841-rtc.c:47:33: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *iomem @@ drivers/spi/spi-lp8841-rtc.c:47:33: sparse: expected void volatile [noderef] __iomem *addr drivers/spi/spi-lp8841-rtc.c:47:33: sparse: got void *iomem drivers/spi/spi-lp8841-rtc.c:47:33: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *iomem @@ drivers/spi/spi-lp8841-rtc.c:47:33: sparse: expected void volatile [noderef] __iomem *addr drivers/spi/spi-lp8841-rtc.c:47:33: sparse: got void *iomem -- drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:2135:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *reg @@ got unsigned int [noderef] __iomem * @@ drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:2135:41: sparse: expected void *reg drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:2135:41: sparse: got unsigned int [noderef] __iomem * drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:33: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected unsigned short [usertype] uid_hi @@ got restricted __be16 [usertype] @@ drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:33: sparse: expected unsigned short [usertype] uid_hi drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:33: sparse: got restricted __be16 [usertype] drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:45: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected unsigned int [usertype] uid_lo @@ got restricted __be32 [usertype] @@ drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:45: sparse: expected unsigned int [usertype] uid_lo drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:45: sparse: got restricted __be32 [usertype] drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:56: sparse: sparse: incorrect type in argument 4 (different base types) @@ expected unsigned short [usertype] seqid @@ got restricted __be16 [usertype] @@ drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:56: sparse: expected unsigned short [usertype] seqid drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:56: sparse: got restricted __be16 [usertype] drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:306:26: sparse: expected void const [noderef] __iomem *addr drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:306:26: sparse: got void *reg drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:336:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *reg @@ got unsigned int [noderef] __iomem * @@ drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:336:33: sparse: expected void *reg drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:336:33: sparse: got unsigned int [noderef] __iomem * drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:343:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *reg @@ got unsigned int [noderef] __iomem * @@ drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:343:33: sparse: expected void *reg drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:343:33: sparse: got unsigned int [noderef] __iomem * drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:356:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *reg @@ got unsigned int [noderef] __iomem * @@ drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:356:33: sparse: expected void *reg drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:356:33: sparse: got unsigned int [noderef] __iomem * drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:397:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *reg @@ got unsigned int [noderef] __iomem * @@ drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:397:33: sparse: expected void *reg drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:397:33: sparse: got unsigned int [noderef] __iomem * drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:466:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *reg @@ got unsigned int [noderef] __iomem * @@ drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:466:41: sparse: expected void *reg drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:466:41: sparse: got unsigned int [noderef] __iomem * vim +63 drivers/spi/spi-lp8841-rtc.c 7ecbfff6711fb331 Sergei Ianovich 2016-02-23 59 7ecbfff6711fb331 Sergei Ianovich 2016-02-23 60 static inline int 7ecbfff6711fb331 Sergei Ianovich 2016-02-23 61 getmiso(struct spi_lp8841_rtc *data) 7ecbfff6711fb331 Sergei Ianovich 2016-02-23 62 { 7ecbfff6711fb331 Sergei Ianovich 2016-02-23 @63 return ioread8(data->iomem) & SPI_LP8841_RTC_MISO; 7ecbfff6711fb331 Sergei Ianovich 2016-02-23 64 } 7ecbfff6711fb331 Sergei Ianovich 2016-02-23 65 :::::: The code at line 63 was first introduced by commit :::::: 7ecbfff6711fb331591003ac32c002ce55a0758f spi: master driver to enable RTC on ICPDAS LP-8841 :::::: TO: Sergei Ianovich <ynvich(a)gmail.com&gt; :::::: CC: Mark Brown <broonie(a)kernel.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org