drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:306:26: sparse: sparse: incorrect type in argument 1 (different address spaces)

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   eebe426d32e1a10ac7c35f8ffab5f818c32a2454
commit: 8f28ca6bd8211214faf717677bbffe375c2a6072 iomap: constify ioreadX() iomem argument (as in generic implementation)
date:   8 months ago
config: alpha-randconfig-s032-20210414 (attached as .config)
compiler: alpha-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: v0.6.3-280-g2cd6d34e-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8f28ca6bd8211214faf717677bbffe375c2a6072
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 8f28ca6bd8211214faf717677bbffe375c2a6072
        # 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=alpha 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>


sparse warnings: (new ones prefixed by >>)
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:2135:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *reg @@     got unsigned int [noderef] __iomem * @@
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:2135:41: sparse:     expected void *reg
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:2135:41: sparse:     got unsigned int [noderef] __iomem *
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:33: sparse: sparse: incorrect type in argument 2 (different base types) @@     expected unsigned short [usertype] uid_hi @@     got restricted __be16 [usertype] @@
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:33: sparse:     expected unsigned short [usertype] uid_hi
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:33: sparse:     got restricted __be16 [usertype]
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:45: sparse: sparse: incorrect type in argument 3 (different base types) @@     expected unsigned int [usertype] uid_lo @@     got restricted __be32 [usertype] @@
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:45: sparse:     expected unsigned int [usertype] uid_lo
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:45: sparse:     got restricted __be32 [usertype]
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:56: sparse: sparse: incorrect type in argument 4 (different base types) @@     expected unsigned short [usertype] seqid @@     got restricted __be16 [usertype] @@
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:56: sparse:     expected unsigned short [usertype] seqid
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:157:56: sparse:     got restricted __be16 [usertype]
>> drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:306:26: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const [noderef] __iomem * @@     got void *reg @@
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:306:26: sparse:     expected void const [noderef] __iomem *
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:306:26: sparse:     got void *reg
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:336:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *reg @@     got unsigned int [noderef] __iomem * @@
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:336:33: sparse:     expected void *reg
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:336:33: sparse:     got unsigned int [noderef] __iomem *
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:343:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *reg @@     got unsigned int [noderef] __iomem * @@
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:343:33: sparse:     expected void *reg
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:343:33: sparse:     got unsigned int [noderef] __iomem *
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:356:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *reg @@     got unsigned int [noderef] __iomem * @@
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:356:33: sparse:     expected void *reg
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:356:33: sparse:     got unsigned int [noderef] __iomem *
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:397:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *reg @@     got unsigned int [noderef] __iomem * @@
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:397:33: sparse:     expected void *reg
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:397:33: sparse:     got unsigned int [noderef] __iomem *
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:466:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *reg @@     got unsigned int [noderef] __iomem * @@
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:466:41: sparse:     expected void *reg
   drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:466:41: sparse:     got unsigned int [noderef] __iomem *

vim +306 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c

77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki Ohtake   2010-09-21  294  
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki Ohtake   2010-09-21  295  /**
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki Ohtake   2010-09-21  296   * pch_gbe_wait_clr_bit - Wait to clear a bit
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki Ohtake   2010-09-21  297   * @reg:	Pointer of register
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki Ohtake   2010-09-21  298   * @busy:	Busy bit
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki Ohtake   2010-09-21  299   */
191cc687740834 drivers/net/pch_gbe/pch_gbe_main.c                   stephen hemminger 2010-10-15  300  static void pch_gbe_wait_clr_bit(void *reg, u32 bit)
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki Ohtake   2010-09-21  301  {
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki Ohtake   2010-09-21  302  	u32 tmp;
453ca931f51516 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Andy Shevchenko   2013-06-28  303  
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki Ohtake   2010-09-21  304  	/* wait busy */
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki Ohtake   2010-09-21  305  	tmp = 1000;
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki Ohtake   2010-09-21 @306  	while ((ioread32(reg) & bit) && --tmp)
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki Ohtake   2010-09-21  307  		cpu_relax();
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki Ohtake   2010-09-21  308  	if (!tmp)
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki Ohtake   2010-09-21  309  		pr_err("Error: busy bit is not cleared\n");
77555ee7228234 drivers/net/pch_gbe/pch_gbe_main.c                   Masayuki Ohtake   2010-09-21  310  }
124d770a6459be drivers/net/pch_gbe/pch_gbe_main.c                   Toshiharu Okada   2011-09-01  311  

:::::: The code at line 306 was first introduced by commit
:::::: 77555ee7228234257957fd54daa0b69178906320 net: Add Gigabit Ethernet driver of Topcliff PCH

:::::: TO: Masayuki Ohtake <masa-korg@xxxxxxxxxxxxxxx>
:::::: CC: David S. Miller <davem@xxxxxxxxxxxxx>

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

Attachment: .config.gz
Description: application/gzip


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