arch/sh/kernel/cpu/sh3/clock-sh7706.c:24:21: sparse: sparse: incorrect type in argument 1 (different base types)

From: kernel test robot
Date: Fri Jul 30 2021 - 17:37:30 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 4669e13cd67f8532be12815ed3d37e775a9bdc16
commit: e5fc436f06eef54ef512ea55a9db8eb9f2e76959 sparse: use static inline for __chk_{user,io}_ptr()
date: 11 months ago
config: sh-randconfig-s031-20210722 (attached as .config)
compiler: sh4-linux-gcc (GCC) 10.3.0
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=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-10.3.0 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@xxxxxxxxx>


sparse warnings: (new ones prefixed by >>)
>> arch/sh/kernel/cpu/sh3/clock-sh7706.c:24:21: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __iomem *ptr @@ got unsigned int @@
arch/sh/kernel/cpu/sh3/clock-sh7706.c:24:21: sparse: expected void const volatile [noderef] __iomem *ptr
arch/sh/kernel/cpu/sh3/clock-sh7706.c:24:21: sparse: got unsigned int
arch/sh/kernel/cpu/sh3/clock-sh7706.c:36:21: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __iomem *ptr @@ got unsigned int @@
arch/sh/kernel/cpu/sh3/clock-sh7706.c:36:21: sparse: expected void const volatile [noderef] __iomem *ptr
arch/sh/kernel/cpu/sh3/clock-sh7706.c:36:21: sparse: got unsigned int
arch/sh/kernel/cpu/sh3/clock-sh7706.c:48:21: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __iomem *ptr @@ got unsigned int @@
arch/sh/kernel/cpu/sh3/clock-sh7706.c:48:21: sparse: expected void const volatile [noderef] __iomem *ptr
arch/sh/kernel/cpu/sh3/clock-sh7706.c:48:21: sparse: got unsigned int
arch/sh/kernel/cpu/sh3/clock-sh7706.c:60:21: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __iomem *ptr @@ got unsigned int @@
arch/sh/kernel/cpu/sh3/clock-sh7706.c:60:21: sparse: expected void const volatile [noderef] __iomem *ptr
arch/sh/kernel/cpu/sh3/clock-sh7706.c:60:21: sparse: got unsigned int

vim +24 arch/sh/kernel/cpu/sh3/clock-sh7706.c

e5723e0eeb2dc16 Paul Mundt 2006-09-27 21
e5723e0eeb2dc16 Paul Mundt 2006-09-27 22 static void master_clk_init(struct clk *clk)
e5723e0eeb2dc16 Paul Mundt 2006-09-27 23 {
9d56dd3b083a3be Paul Mundt 2010-01-26 @24 int frqcr = __raw_readw(FRQCR);
e5723e0eeb2dc16 Paul Mundt 2006-09-27 25 int idx = ((frqcr & 0x2000) >> 11) | (frqcr & 0x0003);
e5723e0eeb2dc16 Paul Mundt 2006-09-27 26
e5723e0eeb2dc16 Paul Mundt 2006-09-27 27 clk->rate *= pfc_divisors[idx];
e5723e0eeb2dc16 Paul Mundt 2006-09-27 28 }
e5723e0eeb2dc16 Paul Mundt 2006-09-27 29

:::::: The code at line 24 was first introduced by commit
:::::: 9d56dd3b083a3bec56e9da35ce07baca81030b03 sh: Mass ctrl_in/outX to __raw_read/writeX conversion.

:::::: TO: Paul Mundt <lethal@xxxxxxxxxxxx>
:::::: CC: Paul Mundt <lethal@xxxxxxxxxxxx>

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

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