arch/sh/kernel/cpu/sh3/serial-sh770x.c:15:16: sparse: sparse: incorrect type in argument 1 (different base types)

[kernel test robot]

Hi Luc,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   88bb507a74ea7d75fa49edd421eaa710a7d80598
commit: e5fc436f06eef54ef512ea55a9db8eb9f2e76959 sparse: use static inline for __chk_{user,io}_ptr()
date:   5 months ago
config: sh-randconfig-s031-20210202 (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: v0.6.3-215-g0fb77bb6-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@xxxxxxxxx>


"sparse warnings: (new ones prefixed by >>)"
>> arch/sh/kernel/cpu/sh3/serial-sh770x.c:15:16: 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/serial-sh770x.c:15:16: sparse:     expected void const volatile [noderef] __iomem *ptr
   arch/sh/kernel/cpu/sh3/serial-sh770x.c:15:16: sparse:     got unsigned int
   arch/sh/kernel/cpu/sh3/serial-sh770x.c:17:9: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected void const volatile [noderef] __iomem *ptr @@     got unsigned int @@
   arch/sh/kernel/cpu/sh3/serial-sh770x.c:17:9: sparse:     expected void const volatile [noderef] __iomem *ptr
   arch/sh/kernel/cpu/sh3/serial-sh770x.c:17:9: sparse:     got unsigned int
   arch/sh/kernel/cpu/sh3/serial-sh770x.c:21:24: 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/serial-sh770x.c:21:24: sparse:     expected void const volatile [noderef] __iomem *ptr
   arch/sh/kernel/cpu/sh3/serial-sh770x.c:21:24: sparse:     got unsigned int
   arch/sh/kernel/cpu/sh3/serial-sh770x.c:24:17: 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/serial-sh770x.c:24:17: sparse:     expected void const volatile [noderef] __iomem *ptr
   arch/sh/kernel/cpu/sh3/serial-sh770x.c:24:17: sparse:     got unsigned int
   arch/sh/kernel/cpu/sh3/serial-sh770x.c:26:24: 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/serial-sh770x.c:26:24: sparse:     expected void const volatile [noderef] __iomem *ptr
   arch/sh/kernel/cpu/sh3/serial-sh770x.c:26:24: sparse:     got unsigned int
   arch/sh/kernel/cpu/sh3/serial-sh770x.c:28:17: 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/serial-sh770x.c:28:17: sparse:     expected void const volatile [noderef] __iomem *ptr
   arch/sh/kernel/cpu/sh3/serial-sh770x.c:28:17: sparse:     got unsigned int
--
   drivers/watchdog/sc520_wdt.c:233:37: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected char const *__gu_addr @@     got char const [noderef] __user * @@
   drivers/watchdog/sc520_wdt.c:233:37: sparse:     expected char const *__gu_addr
   drivers/watchdog/sc520_wdt.c:233:37: sparse:     got char const [noderef] __user *
>> drivers/watchdog/sc520_wdt.c:233:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __user *ptr @@     got char const *__gu_addr @@
   drivers/watchdog/sc520_wdt.c:233:37: sparse:     expected void const volatile [noderef] __user *ptr
   drivers/watchdog/sc520_wdt.c:233:37: sparse:     got char const *__gu_addr
   drivers/watchdog/sc520_wdt.c:294:21: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected int const *__gu_addr @@     got int [noderef] __user *p @@
   drivers/watchdog/sc520_wdt.c:294:21: sparse:     expected int const *__gu_addr
   drivers/watchdog/sc520_wdt.c:294:21: sparse:     got int [noderef] __user *p
>> drivers/watchdog/sc520_wdt.c:294:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __user *ptr @@     got int const *__gu_addr @@
   drivers/watchdog/sc520_wdt.c:294:21: sparse:     expected void const volatile [noderef] __user *ptr
   drivers/watchdog/sc520_wdt.c:294:21: sparse:     got int const *__gu_addr
   drivers/watchdog/sc520_wdt.c:316:21: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected int const *__gu_addr @@     got int [noderef] __user *p @@
   drivers/watchdog/sc520_wdt.c:316:21: sparse:     expected int const *__gu_addr
   drivers/watchdog/sc520_wdt.c:316:21: sparse:     got int [noderef] __user *p
   drivers/watchdog/sc520_wdt.c:316:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __user *ptr @@     got int const *__gu_addr @@
   drivers/watchdog/sc520_wdt.c:316:21: sparse:     expected void const volatile [noderef] __user *ptr
   drivers/watchdog/sc520_wdt.c:316:21: sparse:     got int const *__gu_addr

vim +15 arch/sh/kernel/cpu/sh3/serial-sh770x.c

61a6976bf19a6c Paul Mundt 2011-06-14   9  
61a6976bf19a6c Paul Mundt 2011-06-14  10  static void sh770x_sci_init_pins(struct uart_port *port, unsigned int cflag)
61a6976bf19a6c Paul Mundt 2011-06-14  11  {
61a6976bf19a6c Paul Mundt 2011-06-14  12  	unsigned short data;
61a6976bf19a6c Paul Mundt 2011-06-14  13  
61a6976bf19a6c Paul Mundt 2011-06-14  14  	/* We need to set SCPCR to enable RTS/CTS */
61a6976bf19a6c Paul Mundt 2011-06-14 @15  	data = __raw_readw(SCPCR);
61a6976bf19a6c Paul Mundt 2011-06-14  16  	/* Clear out SCP7MD1,0, SCP6MD1,0, SCP4MD1,0*/
61a6976bf19a6c Paul Mundt 2011-06-14  17  	__raw_writew(data & 0x0fcf, SCPCR);
61a6976bf19a6c Paul Mundt 2011-06-14  18  
61a6976bf19a6c Paul Mundt 2011-06-14  19  	if (!(cflag & CRTSCTS)) {
61a6976bf19a6c Paul Mundt 2011-06-14  20  		/* We need to set SCPCR to enable RTS/CTS */
61a6976bf19a6c Paul Mundt 2011-06-14  21  		data = __raw_readw(SCPCR);
61a6976bf19a6c Paul Mundt 2011-06-14  22  		/* Clear out SCP7MD1,0, SCP4MD1,0,
61a6976bf19a6c Paul Mundt 2011-06-14  23  		   Set SCP6MD1,0 = {01} (output)  */
61a6976bf19a6c Paul Mundt 2011-06-14  24  		__raw_writew((data & 0x0fcf) | 0x1000, SCPCR);
61a6976bf19a6c Paul Mundt 2011-06-14  25  
61a6976bf19a6c Paul Mundt 2011-06-14  26  		data = __raw_readb(SCPDR);
61a6976bf19a6c Paul Mundt 2011-06-14  27  		/* Set /RTS2 (bit6) = 0 */
61a6976bf19a6c Paul Mundt 2011-06-14  28  		__raw_writeb(data & 0xbf, SCPDR);
61a6976bf19a6c Paul Mundt 2011-06-14  29  	}
61a6976bf19a6c Paul Mundt 2011-06-14  30  }
61a6976bf19a6c Paul Mundt 2011-06-14  31  

:::::: The code at line 15 was first introduced by commit
:::::: 61a6976bf19a6cf5dfcf37c3536665b316f22d49 serial: sh-sci: Abstract register maps.

:::::: 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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