linux-kernel - arch/sh/kernel/cpu/sh2a/setup-sh7206.c:284:9: sparse: sparse: incorrect type in argument 1 (different base types)

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Date:   Sat, 27 Feb 2021 11:29:17 +0800
From:   kernel test robot <lkp@...el.com>
To:     Luc Van Oostenryck <luc.vanoostenryck@...il.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
Subject: arch/sh/kernel/cpu/sh2a/setup-sh7206.c:284:9: 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:   3fb6d0e00efc958d01c2f109c8453033a2d96796
commit: e5fc436f06eef54ef512ea55a9db8eb9f2e76959 sparse: use static inline for __chk_{user,io}_ptr()
date:   6 months ago
config: sh-randconfig-s032-20210226 (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: v0.6.3-241-geaceeafa-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e5fc436f06eef54ef512ea55a9db8eb9f2e76959
        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__' ARCH=sh 

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 >>)"
>> arch/sh/kernel/cpu/sh2a/setup-sh7206.c:284:9: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected void const volatile [noderef] __iomem *ptr @@     got unsigned int @@
   arch/sh/kernel/cpu/sh2a/setup-sh7206.c:284:9: sparse:     expected void const volatile [noderef] __iomem *ptr
   arch/sh/kernel/cpu/sh2a/setup-sh7206.c:284:9: sparse:     got unsigned int
>> arch/sh/kernel/cpu/sh2a/setup-sh7206.c:284:9: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected void const volatile [noderef] __iomem *ptr @@     got unsigned int @@
   arch/sh/kernel/cpu/sh2a/setup-sh7206.c:284:9: sparse:     expected void const volatile [noderef] __iomem *ptr
   arch/sh/kernel/cpu/sh2a/setup-sh7206.c:284:9: sparse:     got unsigned int
   arch/sh/kernel/cpu/sh2a/setup-sh7206.c:287:9: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected void const volatile [noderef] __iomem *ptr @@     got unsigned int @@
   arch/sh/kernel/cpu/sh2a/setup-sh7206.c:287:9: sparse:     expected void const volatile [noderef] __iomem *ptr
   arch/sh/kernel/cpu/sh2a/setup-sh7206.c:287:9: sparse:     got unsigned int
   arch/sh/kernel/cpu/sh2a/setup-sh7206.c:287:9: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected void const volatile [noderef] __iomem *ptr @@     got unsigned int @@
   arch/sh/kernel/cpu/sh2a/setup-sh7206.c:287:9: sparse:     expected void const volatile [noderef] __iomem *ptr
   arch/sh/kernel/cpu/sh2a/setup-sh7206.c:287:9: sparse:     got unsigned int

vim +284 arch/sh/kernel/cpu/sh2a/setup-sh7206.c

698aa99da5f5e2 Magnus Damm 2009-04-30  280  
698aa99da5f5e2 Magnus Damm 2009-04-30  281  void __init plat_early_device_setup(void)
698aa99da5f5e2 Magnus Damm 2009-04-30  282  {
698aa99da5f5e2 Magnus Damm 2009-04-30  283  	/* enable CMT clock */
698aa99da5f5e2 Magnus Damm 2009-04-30 @284  	__raw_writeb(__raw_readb(STBCR4) & ~0x04, STBCR4);

:::::: The code at line 284 was first introduced by commit
:::::: 698aa99da5f5e2b4c666fd21ab77306f0225b8f5 sh: sh2/sh2a 16-bit CMT platform data

:::::: TO: Magnus Damm <damm@...l.co.jp>
:::::: CC: Paul Mundt <lethal@...ux-sh.org>

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

Download attachment ".config.gz" of type "application/gzip" (29009 bytes)