Hi Luc,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   eccc876724927ff3b9ff91f36f7b6b159e948f0c
commit: e5fc436f06eef54ef512ea55a9db8eb9f2e76959 sparse: use static inline for 
__chk_{user,io}_ptr()
date:   2 months ago
config: sh-randconfig-s031-20201111 (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: v0.6.3-106-gd020cf33-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 <[email protected]>


"sparse warnings: (new ones prefixed by >>)"
>> arch/sh/kernel/cpu/sh3/clock-sh7712.c:23:21: 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-sh7712.c:23:21: sparse:     expected void const 
>> volatile [noderef] __iomem *ptr
   arch/sh/kernel/cpu/sh3/clock-sh7712.c:23:21: sparse:     got unsigned int
   arch/sh/kernel/cpu/sh3/clock-sh7712.c:35:21: 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-sh7712.c:35:21: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/kernel/cpu/sh3/clock-sh7712.c:35:21: sparse:     got unsigned int
   arch/sh/kernel/cpu/sh3/clock-sh7712.c:47:21: 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-sh7712.c:47:21: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/kernel/cpu/sh3/clock-sh7712.c:47:21: sparse:     got unsigned int
--
   fs/binfmt_flat.c:402:9: sparse: sparse: incorrect type in initializer 
(different address spaces) @@     expected unsigned long const *__gu_addr @@    
 got unsigned long [noderef] __user *[assigned] ptr @@
   fs/binfmt_flat.c:402:9: sparse:     expected unsigned long const *__gu_addr
   fs/binfmt_flat.c:402:9: sparse:     got unsigned long [noderef] __user 
*[assigned] ptr
>> fs/binfmt_flat.c:402:9: sparse: sparse: incorrect type in argument 1 
>> (different address spaces) @@     expected void const volatile [noderef] 
>> __user *ptr @@     got unsigned long const *__gu_addr @@
   fs/binfmt_flat.c:402:9: sparse:     expected void const volatile [noderef] 
__user *ptr
   fs/binfmt_flat.c:402:9: sparse:     got unsigned long const *__gu_addr
   fs/binfmt_flat.c:775:29: sparse: sparse: incorrect type in initializer 
(different address spaces) @@     expected unsigned int const *__gu_addr @@     
got unsigned int [noderef] [usertype] __user *[assigned] rp @@
   fs/binfmt_flat.c:775:29: sparse:     expected unsigned int const *__gu_addr
   fs/binfmt_flat.c:775:29: sparse:     got unsigned int [noderef] [usertype] 
__user *[assigned] rp
   fs/binfmt_flat.c:775:29: sparse: sparse: incorrect type in argument 1 
(different address spaces) @@     expected void const volatile [noderef] __user 
*ptr @@     got unsigned int const *__gu_addr @@
   fs/binfmt_flat.c:775:29: sparse:     expected void const volatile [noderef] 
__user *ptr
   fs/binfmt_flat.c:775:29: sparse:     got unsigned int const *__gu_addr
   fs/binfmt_flat.c:812:29: sparse: sparse: incorrect type in initializer 
(different address spaces) @@     expected restricted __be32 const *__gu_addr 
@@     got restricted __be32 [noderef] [usertype] __user * @@
   fs/binfmt_flat.c:812:29: sparse:     expected restricted __be32 const 
*__gu_addr
   fs/binfmt_flat.c:812:29: sparse:     got restricted __be32 [noderef] 
[usertype] __user *
   fs/binfmt_flat.c:812:29: sparse: sparse: incorrect type in argument 1 
(different address spaces) @@     expected void const volatile [noderef] __user 
*ptr @@     got restricted __be32 const *__gu_addr @@
   fs/binfmt_flat.c:812:29: sparse:     expected void const volatile [noderef] 
__user *ptr
   fs/binfmt_flat.c:812:29: sparse:     got restricted __be32 const *__gu_addr
   fs/binfmt_flat.c:855:29: sparse: sparse: incorrect type in initializer 
(different address spaces) @@     expected restricted __be32 const *__gu_addr 
@@     got restricted __be32 [noderef] [usertype] __user * @@
   fs/binfmt_flat.c:855:29: sparse:     expected restricted __be32 const 
*__gu_addr
   fs/binfmt_flat.c:855:29: sparse:     got restricted __be32 [noderef] 
[usertype] __user *
   fs/binfmt_flat.c:855:29: sparse: sparse: incorrect type in argument 1 
(different address spaces) @@     expected void const volatile [noderef] __user 
*ptr @@     got restricted __be32 const *__gu_addr @@
   fs/binfmt_flat.c:855:29: sparse:     expected void const volatile [noderef] 
__user *ptr
   fs/binfmt_flat.c:855:29: sparse:     got restricted __be32 const *__gu_addr
   fs/binfmt_flat.c:865:13: sparse: sparse: incorrect type in argument 1 
(different address spaces) @@     expected void *addr @@     got void [noderef] 
__user *__cl_addr @@
   fs/binfmt_flat.c:865:13: sparse:     expected void *addr
   fs/binfmt_flat.c:865:13: sparse:     got void [noderef] __user *__cl_addr
--
   drivers/hid/usbhid/hiddev.c:569:13: sparse: sparse: incorrect type in 
initializer (different address spaces) @@     expected int const *__gu_addr @@  
   got int [noderef] __user * @@
   drivers/hid/usbhid/hiddev.c:569:13: sparse:     expected int const *__gu_addr
   drivers/hid/usbhid/hiddev.c:569:13: sparse:     got int [noderef] __user *
>> drivers/hid/usbhid/hiddev.c:569:13: sparse: sparse: incorrect type in 
>> argument 1 (different address spaces) @@     expected void const volatile 
>> [noderef] __user *ptr @@     got int const *__gu_addr @@
   drivers/hid/usbhid/hiddev.c:569:13: sparse:     expected void const volatile 
[noderef] __user *ptr
   drivers/hid/usbhid/hiddev.c:569:13: sparse:     got int const *__gu_addr
   drivers/hid/usbhid/hiddev.c:664:29: sparse: sparse: incorrect type in 
initializer (different address spaces) @@     expected int const *__gu_addr @@  
   got int [noderef] __user * @@
   drivers/hid/usbhid/hiddev.c:664:29: sparse:     expected int const *__gu_addr
   drivers/hid/usbhid/hiddev.c:664:29: sparse:     got int [noderef] __user *
   drivers/hid/usbhid/hiddev.c:664:29: sparse: sparse: incorrect type in 
argument 1 (different address spaces) @@     expected void const volatile 
[noderef] __user *ptr @@     got int const *__gu_addr @@
   drivers/hid/usbhid/hiddev.c:664:29: sparse:     expected void const volatile 
[noderef] __user *ptr
   drivers/hid/usbhid/hiddev.c:664:29: sparse:     got int const *__gu_addr
--
>> arch/sh/drivers/dma/dma-sh.c:111:16: sparse: sparse: incorrect type in 
>> argument 1 (different base types) @@     expected void const volatile 
>> [noderef] __iomem *ptr @@     got unsigned long @@
>> arch/sh/drivers/dma/dma-sh.c:111:16: sparse:     expected void const 
>> volatile [noderef] __iomem *ptr
   arch/sh/drivers/dma/dma-sh.c:111:16: sparse:     got unsigned long
   arch/sh/drivers/dma/dma-sh.c:117:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/drivers/dma/dma-sh.c:117:9: sparse:     expected void const volatile 
[noderef] __iomem *ptr
   arch/sh/drivers/dma/dma-sh.c:117:9: sparse:     got unsigned long
   arch/sh/drivers/dma/dma-sh.c:151:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/drivers/dma/dma-sh.c:151:9: sparse:     expected void const volatile 
[noderef] __iomem *ptr
   arch/sh/drivers/dma/dma-sh.c:151:9: sparse:     got unsigned long
   arch/sh/drivers/dma/dma-sh.c:162:16: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/drivers/dma/dma-sh.c:162:16: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/drivers/dma/dma-sh.c:162:16: sparse:     got unsigned long
   arch/sh/drivers/dma/dma-sh.c:168:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/drivers/dma/dma-sh.c:168:9: sparse:     expected void const volatile 
[noderef] __iomem *ptr
   arch/sh/drivers/dma/dma-sh.c:168:9: sparse:     got unsigned long
   arch/sh/drivers/dma/dma-sh.c:186:16: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/drivers/dma/dma-sh.c:186:16: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/drivers/dma/dma-sh.c:186:16: sparse:     got unsigned long
   arch/sh/drivers/dma/dma-sh.c:188:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/drivers/dma/dma-sh.c:188:9: sparse:     expected void const volatile 
[noderef] __iomem *ptr
   arch/sh/drivers/dma/dma-sh.c:188:9: sparse:     got unsigned long
   arch/sh/drivers/dma/dma-sh.c:219:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/drivers/dma/dma-sh.c:219:17: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/drivers/dma/dma-sh.c:219:17: sparse:     got unsigned long
   arch/sh/drivers/dma/dma-sh.c:222:17: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/drivers/dma/dma-sh.c:222:17: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/drivers/dma/dma-sh.c:222:17: sparse:     got unsigned long
   arch/sh/drivers/dma/dma-sh.c:224:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/drivers/dma/dma-sh.c:224:9: sparse:     expected void const volatile 
[noderef] __iomem *ptr
   arch/sh/drivers/dma/dma-sh.c:224:9: sparse:     got unsigned long
   arch/sh/drivers/dma/dma-sh.c:234:15: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/drivers/dma/dma-sh.c:234:15: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/drivers/dma/dma-sh.c:234:15: sparse:     got unsigned long
   arch/sh/drivers/dma/dma-sh.c:237:16: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/drivers/dma/dma-sh.c:237:16: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/drivers/dma/dma-sh.c:237:16: sparse:     got unsigned long
   arch/sh/drivers/dma/dma-sh.c:93:20: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/drivers/dma/dma-sh.c:93:20: sparse:     expected void const volatile 
[noderef] __iomem *ptr
   arch/sh/drivers/dma/dma-sh.c:93:20: sparse:     got unsigned long
   arch/sh/drivers/dma/dma-sh.c:93:20: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/drivers/dma/dma-sh.c:93:20: sparse:     expected void const volatile 
[noderef] __iomem *ptr
   arch/sh/drivers/dma/dma-sh.c:93:20: sparse:     got unsigned long
   arch/sh/drivers/dma/dma-sh.c:262:31: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/drivers/dma/dma-sh.c:262:31: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/drivers/dma/dma-sh.c:262:31: sparse:     got unsigned long
   arch/sh/drivers/dma/dma-sh.c:266:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/drivers/dma/dma-sh.c:266:9: sparse:     expected void const volatile 
[noderef] __iomem *ptr
   arch/sh/drivers/dma/dma-sh.c:266:9: sparse:     got unsigned long
   arch/sh/drivers/dma/dma-sh.c:269:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/drivers/dma/dma-sh.c:269:9: sparse:     expected void const volatile 
[noderef] __iomem *ptr
   arch/sh/drivers/dma/dma-sh.c:269:9: sparse:     got unsigned long
   arch/sh/drivers/dma/dma-sh.c:272:14: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/drivers/dma/dma-sh.c:272:14: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/drivers/dma/dma-sh.c:272:14: sparse:     got unsigned long

vim +23 arch/sh/kernel/cpu/sh3/clock-sh7712.c

c3aa92afd0a6c25 Andrew Murray 2008-01-08  20  
c3aa92afd0a6c25 Andrew Murray 2008-01-08  21  static void 
master_clk_init(struct clk *clk)
c3aa92afd0a6c25 Andrew Murray 2008-01-08  22  {
9d56dd3b083a3be Paul Mundt    2010-01-26 @23    int frqcr = __raw_readw(FRQCR);
c3aa92afd0a6c25 Andrew Murray 2008-01-08  24    int idx = (frqcr & 0x0300) >> 8;
c3aa92afd0a6c25 Andrew Murray 2008-01-08  25  
c3aa92afd0a6c25 Andrew Murray 2008-01-08  26    clk->rate *= multipliers[idx];
c3aa92afd0a6c25 Andrew Murray 2008-01-08  27  }
c3aa92afd0a6c25 Andrew Murray 2008-01-08  28  

:::::: The code at line 23 was first introduced by commit
:::::: 9d56dd3b083a3bec56e9da35ce07baca81030b03 sh: Mass ctrl_in/outX to 
__raw_read/writeX conversion.

:::::: TO: Paul Mundt <[email protected]>
:::::: CC: Paul Mundt <[email protected]>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/[email protected]

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