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Date: Sat, 1 Jan 2022 15:01:10 +0800
From: kernel test robot <lkp@...el.com>
To: Adrian Ratiu <adrian.ratiu@...labora.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Mark Brown <broonie@...nel.org>
Subject: include/asm-generic/io.h:291:22: sparse: sparse: incorrect type in
argument 1 (different base types)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 8008293888188c3923f5bd8a69370dae25ed14e5
commit: 6e1e90ec027509a7e8d4efbd77a65b32b5a8b3ec regmap: mmio: add config option to allow relaxed MMIO accesses
date: 1 year, 2 months ago
config: h8300-randconfig-s031-20211117 (https://download.01.org/0day-ci/archive/20220101/202201011509.UfnDepRD-lkp@intel.com/config)
compiler: h8300-linux-gcc (GCC) 11.2.0
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: v0.6.4-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6e1e90ec027509a7e8d4efbd77a65b32b5a8b3ec
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 6e1e90ec027509a7e8d4efbd77a65b32b5a8b3ec
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=h8300 SHELL=/bin/bash drivers/base/regmap/ lib/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
sparse warnings: (new ones prefixed by >>)
drivers/base/regmap/regmap-mmio.c: note: in included file (through include/linux/io.h):
arch/h8300/include/asm/io.h:32:11: sparse: sparse: cast removes address space '__iomem' of expression
arch/h8300/include/asm/io.h:32:11: sparse: sparse: cast removes address space '__iomem' of expression
arch/h8300/include/asm/io.h:38:11: sparse: sparse: cast removes address space '__iomem' of expression
drivers/base/regmap/regmap-mmio.c: note: in included file (through arch/h8300/include/asm/io.h, include/linux/io.h):
>> include/asm-generic/io.h:291:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short [usertype] b @@ got restricted __le16 [usertype] @@
include/asm-generic/io.h:291:22: sparse: expected unsigned short [usertype] b
include/asm-generic/io.h:291:22: sparse: got restricted __le16 [usertype]
drivers/base/regmap/regmap-mmio.c: note: in included file (through include/linux/io.h):
arch/h8300/include/asm/io.h:38:11: sparse: sparse: cast removes address space '__iomem' of expression
arch/h8300/include/asm/io.h:38:11: sparse: sparse: cast removes address space '__iomem' of expression
arch/h8300/include/asm/io.h:44:11: sparse: sparse: cast removes address space '__iomem' of expression
drivers/base/regmap/regmap-mmio.c: note: in included file (through arch/h8300/include/asm/io.h, include/linux/io.h):
include/asm-generic/io.h:299:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [usertype] b @@ got restricted __le32 [usertype] @@
include/asm-generic/io.h:299:22: sparse: expected unsigned int [usertype] b
include/asm-generic/io.h:299:22: sparse: got restricted __le32 [usertype]
drivers/base/regmap/regmap-mmio.c: note: in included file (through include/linux/io.h):
arch/h8300/include/asm/io.h:44:11: sparse: sparse: cast removes address space '__iomem' of expression
arch/h8300/include/asm/io.h:44:11: sparse: sparse: cast removes address space '__iomem' of expression
arch/h8300/include/asm/io.h:14:18: sparse: sparse: cast removes address space '__iomem' of expression
arch/h8300/include/asm/io.h:14:18: sparse: sparse: cast removes address space '__iomem' of expression
arch/h8300/include/asm/io.h:20:18: sparse: sparse: cast removes address space '__iomem' of expression
arch/h8300/include/asm/io.h:20:18: sparse: sparse: cast removes address space '__iomem' of expression
drivers/base/regmap/regmap-mmio.c: note: in included file (through arch/h8300/include/asm/io.h, include/linux/io.h):
include/asm-generic/io.h:259:16: sparse: sparse: cast to restricted __le16
include/asm-generic/io.h:259:16: sparse: sparse: cast to restricted __le16
include/asm-generic/io.h:259:16: sparse: sparse: cast to restricted __le16
include/asm-generic/io.h:259:16: sparse: sparse: cast to restricted __le16
drivers/base/regmap/regmap-mmio.c: note: in included file (through include/linux/io.h):
arch/h8300/include/asm/io.h:20:18: sparse: sparse: cast removes address space '__iomem' of expression
arch/h8300/include/asm/io.h:20:18: sparse: sparse: cast removes address space '__iomem' of expression
arch/h8300/include/asm/io.h:20:18: sparse: sparse: cast removes address space '__iomem' of expression
arch/h8300/include/asm/io.h:20:18: sparse: sparse: cast removes address space '__iomem' of expression
arch/h8300/include/asm/io.h:20:18: sparse: sparse: cast removes address space '__iomem' of expression
arch/h8300/include/asm/io.h:20:18: sparse: sparse: cast removes address space '__iomem' of expression
arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '__iomem' of expression
arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '__iomem' of expression
drivers/base/regmap/regmap-mmio.c: note: in included file (through arch/h8300/include/asm/io.h, include/linux/io.h):
include/asm-generic/io.h:267:16: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:267:16: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:267:16: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:267:16: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:267:16: sparse: sparse: cast to restricted __le32
include/asm-generic/io.h:267:16: sparse: sparse: cast to restricted __le32
drivers/base/regmap/regmap-mmio.c: note: in included file (through include/linux/io.h):
arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '__iomem' of expression
arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '__iomem' of expression
arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '__iomem' of expression
arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '__iomem' of expression
arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '__iomem' of expression
arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '__iomem' of expression
vim +291 include/asm-generic/io.h
9439eb3ab9d1ec Will Deacon 2013-09-03 286
9439eb3ab9d1ec Will Deacon 2013-09-03 287 #ifndef writew_relaxed
a71e7c44ffb7ba Sinan Kaya 2018-04-06 288 #define writew_relaxed writew_relaxed
a71e7c44ffb7ba Sinan Kaya 2018-04-06 289 static inline void writew_relaxed(u16 value, volatile void __iomem *addr)
a71e7c44ffb7ba Sinan Kaya 2018-04-06 290 {
a71e7c44ffb7ba Sinan Kaya 2018-04-06 @291 __raw_writew(cpu_to_le16(value), addr);
a71e7c44ffb7ba Sinan Kaya 2018-04-06 292 }
9439eb3ab9d1ec Will Deacon 2013-09-03 293 #endif
9439eb3ab9d1ec Will Deacon 2013-09-03 294
:::::: The code at line 291 was first introduced by commit
:::::: a71e7c44ffb7baea0c0795824afc34cc0bc1a301 io: change writeX_relaxed() to remove barriers
:::::: TO: Sinan Kaya <okaya@...eaurora.org>
:::::: CC: Arnd Bergmann <arnd@...db.de>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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