[kbuild-all] drivers/spi/spi-lp8841-rtc.c:112:17: sparse: sparse: incorrect type in argument 1 (different address spaces)

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 1140ab592e2ebf8153d2b322604031a8868ce7a5 commit: e5fc436f06eef54ef512ea55a9db8eb9f2e76959 sparse: use static inline for __chk_{user,io}_ptr() date: 9 months ago config: sh-randconfig-s032-20210511 (attached as .config) compiler: sh4-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: v0.6.3-341-g8af24329-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 e5fc436f06eef54ef512ea55a9db8eb9f2e76959 # 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__' W=1 ARCH=sh 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:112:17: sparse: expected void const volatile [noderef] __iomem *ptr drivers/spi/spi-lp8841-rtc.c:112:17: sparse: got void *iomem drivers/spi/spi-lp8841-rtc.c:121:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *ptr @@ got void *iomem @@ drivers/spi/spi-lp8841-rtc.c:121:17: sparse: expected void const volatile [noderef] __iomem *ptr drivers/spi/spi-lp8841-rtc.c:121:17: sparse: got void *iomem drivers/spi/spi-lp8841-rtc.c:143:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *ptr @@ got void *iomem @@ drivers/spi/spi-lp8841-rtc.c:143:9: sparse: expected void const volatile [noderef] __iomem *ptr drivers/spi/spi-lp8841-rtc.c:143:9: sparse: got void *iomem drivers/spi/spi-lp8841-rtc.c:147:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *ptr @@ got void *iomem @@ drivers/spi/spi-lp8841-rtc.c:147:17: sparse: expected void const volatile [noderef] __iomem *ptr drivers/spi/spi-lp8841-rtc.c:147:17: 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:57:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *ptr @@ got void *iomem @@ drivers/spi/spi-lp8841-rtc.c:57:9: sparse: expected void const volatile [noderef] __iomem *ptr drivers/spi/spi-lp8841-rtc.c:57:9: sparse: got void *iomem drivers/spi/spi-lp8841-rtc.c:63:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const [noderef] __iomem * @@ got void *iomem @@ drivers/spi/spi-lp8841-rtc.c:63:28: sparse: expected void const [noderef] __iomem * drivers/spi/spi-lp8841-rtc.c:63:28: sparse: got void *iomem drivers/spi/spi-lp8841-rtc.c:47:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *ptr @@ got void *iomem @@ drivers/spi/spi-lp8841-rtc.c:47:9: sparse: expected void const volatile [noderef] __iomem *ptr drivers/spi/spi-lp8841-rtc.c:47:9: sparse: got void *iomem drivers/spi/spi-lp8841-rtc.c:47:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *ptr @@ got void *iomem @@ drivers/spi/spi-lp8841-rtc.c:47:9: sparse: expected void const volatile [noderef] __iomem *ptr drivers/spi/spi-lp8841-rtc.c:47:9: sparse: got void *iomem drivers/spi/spi-lp8841-rtc.c:57:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *ptr @@ got void *iomem @@ drivers/spi/spi-lp8841-rtc.c:57:9: sparse: expected void const volatile [noderef] __iomem *ptr drivers/spi/spi-lp8841-rtc.c:57:9: sparse: got void *iomem drivers/spi/spi-lp8841-rtc.c:63:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const [noderef] __iomem * @@ got void *iomem @@ drivers/spi/spi-lp8841-rtc.c:63:28: sparse: expected void const [noderef] __iomem * drivers/spi/spi-lp8841-rtc.c:63:28: sparse: got void *iomem drivers/spi/spi-lp8841-rtc.c:47:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *ptr @@ got void *iomem @@ drivers/spi/spi-lp8841-rtc.c:47:9: sparse: expected void const volatile [noderef] __iomem *ptr drivers/spi/spi-lp8841-rtc.c:47:9: sparse: got void *iomem drivers/spi/spi-lp8841-rtc.c:47:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *ptr @@ got void *iomem @@ drivers/spi/spi-lp8841-rtc.c:47:9: sparse: expected void const volatile [noderef] __iomem *ptr drivers/spi/spi-lp8841-rtc.c:47:9: sparse: got void *iomem -- drivers/vhost/scsi.c:1697:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned int const *__gu_addr @@ got unsigned int [noderef] [usertype] __user *eventsp @@ drivers/vhost/scsi.c:1697:21: sparse: expected unsigned int const *__gu_addr drivers/vhost/scsi.c:1697:21: sparse: got unsigned int [noderef] [usertype] __user *eventsp drivers/vhost/scsi.c:1697:21: sparse: expected void const volatile [noderef] __user *ptr drivers/vhost/scsi.c:1697:21: sparse: got unsigned int const *__gu_addr -- drivers/vhost/vhost.c:1571:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned int const *__gu_addr @@ got unsigned int [noderef] [usertype] __user *idxp @@ drivers/vhost/vhost.c:1571:13: sparse: expected unsigned int const *__gu_addr drivers/vhost/vhost.c:1571:13: sparse: got unsigned int [noderef] [usertype] __user *idxp drivers/vhost/vhost.c:1571:13: sparse: expected void const volatile [noderef] __user *ptr drivers/vhost/vhost.c:1571:13: sparse: got unsigned int const *__gu_addr drivers/vhost/vhost.c:1771:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int const *__gu_addr @@ got int [noderef] __user * @@ drivers/vhost/vhost.c:1771:21: sparse: expected int const *__gu_addr drivers/vhost/vhost.c:1771:21: sparse: got int [noderef] __user * drivers/vhost/vhost.c:1771:21: sparse: expected void const volatile [noderef] __user *ptr drivers/vhost/vhost.c:1771:21: sparse: got int const *__gu_addr -- sound/soc/uniphier/aio-compress.c:295:23: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned int const *__gu_addr @@ got unsigned int [noderef] [usertype] __user * @@ sound/soc/uniphier/aio-compress.c:295:23: sparse: expected unsigned int const *__gu_addr sound/soc/uniphier/aio-compress.c:295:23: sparse: got unsigned int [noderef] [usertype] __user * sound/soc/uniphier/aio-compress.c:295:23: sparse: expected void const volatile [noderef] __user *ptr sound/soc/uniphier/aio-compress.c:295:23: sparse: got unsigned int const *__gu_addr sound/soc/uniphier/aio-compress.c:309:34: sparse: sparse: cast to restricted __be16 sound/soc/uniphier/aio-compress.c:309:34: sparse: sparse: cast to restricted __be16 sound/soc/uniphier/aio-compress.c:309:34: sparse: sparse: cast to restricted __be16 sound/soc/uniphier/aio-compress.c:309:34: sparse: sparse: cast to restricted __be16 vim +112 drivers/spi/spi-lp8841-rtc.c 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 97 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 98 static int 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 99 spi_lp8841_rtc_transfer_one(struct spi_master *master, 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 100 struct spi_device *spi, 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 101 struct spi_transfer *t) 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 102 { 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 103 struct spi_lp8841_rtc *data = spi_master_get_devdata(master); 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 104 unsigned count = t->len; 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 105 const u8 *tx = t->tx_buf; 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 106 u8 *rx = t->rx_buf; 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 107 u8 word = 0; 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 108 int ret = 0; 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 109 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 110 if (tx) { 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 111 data->state &= ~SPI_LP8841_RTC_nWE; 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 @112 writeb(data->state, data->iomem); 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 113 while (likely(count > 0)) { 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 114 word = *tx++; 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 115 bitbang_txrx_be_cpha0_lsb(data, 1, 0, 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 116 SPI_MASTER_NO_RX, word, 8); 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 117 count--; 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 118 } 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 119 } else if (rx) { 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 120 data->state |= SPI_LP8841_RTC_nWE; 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 121 writeb(data->state, data->iomem); 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 122 while (likely(count > 0)) { 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 123 word = bitbang_txrx_be_cpha0_lsb(data, 1, 0, 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 124 SPI_MASTER_NO_TX, word, 8); 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 125 *rx++ = word; 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 126 count--; 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 127 } 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 128 } else { 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 129 ret = -EINVAL; 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 130 } 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 131 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 132 spi_finalize_current_transfer(master); 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 133 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 134 return ret; 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 135 } 7ecbfff6711fb3 Sergei Ianovich 2016-02-23 136 :::::: The code at line 112 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