drivers/spi/spi-lp8841-rtc.c:63:28: sparse: sparse: incorrect type in argument 1 (different address spaces)

From: kernel test robot
Date: Wed Jun 23 2021 - 21:39:05 EST

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 7426cedc7dad67bf3c71ea6cc29ab7822e1a453f
commit: 8f28ca6bd8211214faf717677bbffe375c2a6072 iomap: constify ioreadX() iomem argument (as in generic implementation)
date: 10 months ago
config: alpha-randconfig-s031-20210624 (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: v0.6.3-341-g8af24329-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8f28ca6bd8211214faf717677bbffe375c2a6072
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__' W=1 ARCH=alpha

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>


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: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const [noderef] __iomem *addr @@ 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: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const [noderef] __iomem *addr @@ 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

vim +63 drivers/spi/spi-lp8841-rtc.c

7ecbfff6711fb3 Sergei Ianovich 2016-02-23 59
7ecbfff6711fb3 Sergei Ianovich 2016-02-23 60 static inline int
7ecbfff6711fb3 Sergei Ianovich 2016-02-23 61 getmiso(struct spi_lp8841_rtc *data)
7ecbfff6711fb3 Sergei Ianovich 2016-02-23 62 {
7ecbfff6711fb3 Sergei Ianovich 2016-02-23 @63 return ioread8(data->iomem) & SPI_LP8841_RTC_MISO;
7ecbfff6711fb3 Sergei Ianovich 2016-02-23 64 }
7ecbfff6711fb3 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@xxxxxxxxx>
:::::: CC: Mark Brown <broonie@xxxxxxxxxx>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip