drivers/mmc/host/mxcmmc.c:545:24: sparse: sparse: incorrect type in assignment (different base types)

drivers/mmc/host/mxcmmc.c:545:24: sparse: sparse: incorrect type in assignment (different base types)

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   e43ffb69e0438cddd72aaa30898b4dc446f664f8
commit: 7cd8db0fb0b2bf309163d56fec585c0f9e0964d1 mmc: add COMPILE_TEST to multiple drivers
date:   9 months ago
config: m68k-randconfig-r111-20260601 (https://download.01.org/0day-ci/archive/20260601/202606012253.GJ9WoBvW-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 11.5.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260601/202606012253.GJ9WoBvW-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Fixes: 7cd8db0fb0b2 ("mmc: add COMPILE_TEST to multiple drivers")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202606012253.GJ9WoBvW-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/mmc/host/mxcmmc.c:545:24: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] @@     got restricted __le32 [usertype] @@
   drivers/mmc/host/mxcmmc.c:545:24: sparse:     expected unsigned int [usertype]
   drivers/mmc/host/mxcmmc.c:545:24: sparse:     got restricted __le32 [usertype]
   drivers/mmc/host/mxcmmc.c:557:21: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] tmp @@     got restricted __le32 [usertype] @@
   drivers/mmc/host/mxcmmc.c:557:21: sparse:     expected unsigned int [usertype] tmp
   drivers/mmc/host/mxcmmc.c:557:21: sparse:     got restricted __le32 [usertype]
   drivers/mmc/host/mxcmmc.c:572:37: sparse: sparse: incorrect type in argument 2 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __le32 [usertype] @@
   drivers/mmc/host/mxcmmc.c:572:37: sparse:     expected unsigned int [usertype] val
   drivers/mmc/host/mxcmmc.c:572:37: sparse:     got restricted __le32 [usertype]
   drivers/mmc/host/mxcmmc.c:585:37: sparse: sparse: incorrect type in argument 2 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __le32 [usertype] @@
   drivers/mmc/host/mxcmmc.c:585:37: sparse:     expected unsigned int [usertype] val
   drivers/mmc/host/mxcmmc.c:585:37: sparse:     got restricted __le32 [usertype]

vim +545 drivers/mmc/host/mxcmmc.c

d96be879ff4697 Sascha Hauer       2009-01-06  535  
12658af54f2ed1 Linus Walleij      2024-01-27  536  static int mxcmci_pull(struct mxcmci_host *host, u32 *buf, int bytes)
d96be879ff4697 Sascha Hauer       2009-01-06  537  {
d96be879ff4697 Sascha Hauer       2009-01-06  538  	unsigned int stat;
d96be879ff4697 Sascha Hauer       2009-01-06  539  
d96be879ff4697 Sascha Hauer       2009-01-06  540  	while (bytes > 3) {
d96be879ff4697 Sascha Hauer       2009-01-06  541  		stat = mxcmci_poll_status(host,
d96be879ff4697 Sascha Hauer       2009-01-06  542  				STATUS_BUF_READ_RDY | STATUS_READ_OP_DONE);
d96be879ff4697 Sascha Hauer       2009-01-06  543  		if (stat)
d96be879ff4697 Sascha Hauer       2009-01-06  544  			return stat;
c7ceab02543f8a Anatolij Gustschin 2013-04-08 @545  		*buf++ = cpu_to_le32(mxcmci_readl(host, MMC_REG_BUFFER_ACCESS));
d96be879ff4697 Sascha Hauer       2009-01-06  546  		bytes -= 4;
d96be879ff4697 Sascha Hauer       2009-01-06  547  	}
d96be879ff4697 Sascha Hauer       2009-01-06  548  
d96be879ff4697 Sascha Hauer       2009-01-06  549  	if (bytes) {
d96be879ff4697 Sascha Hauer       2009-01-06  550  		u8 *b = (u8 *)buf;
d96be879ff4697 Sascha Hauer       2009-01-06  551  		u32 tmp;
d96be879ff4697 Sascha Hauer       2009-01-06  552  
d96be879ff4697 Sascha Hauer       2009-01-06  553  		stat = mxcmci_poll_status(host,
d96be879ff4697 Sascha Hauer       2009-01-06  554  				STATUS_BUF_READ_RDY | STATUS_READ_OP_DONE);
d96be879ff4697 Sascha Hauer       2009-01-06  555  		if (stat)
d96be879ff4697 Sascha Hauer       2009-01-06  556  			return stat;
c7ceab02543f8a Anatolij Gustschin 2013-04-08  557  		tmp = cpu_to_le32(mxcmci_readl(host, MMC_REG_BUFFER_ACCESS));
d96be879ff4697 Sascha Hauer       2009-01-06  558  		memcpy(b, &tmp, bytes);
d96be879ff4697 Sascha Hauer       2009-01-06  559  	}
d96be879ff4697 Sascha Hauer       2009-01-06  560  
d96be879ff4697 Sascha Hauer       2009-01-06  561  	return 0;
d96be879ff4697 Sascha Hauer       2009-01-06  562  }
d96be879ff4697 Sascha Hauer       2009-01-06  563  

:::::: The code at line 545 was first introduced by commit
:::::: c7ceab02543f8a03b4df3d4465b089c8117a5e09 mmc: mxcmmc: add mpc512x SDHC support

:::::: TO: Anatolij Gustschin <agust@denx.de>
:::::: CC: Chris Ball <cjb@laptop.org>

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