[kbuild-all] drivers/memstick/host/r592.c:83:9: sparse: sparse: incorrect type in assignment (different base types)

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: a96bfed64c8986d6404e553f18203cae1f5ac7e6 commit: d4aa8affa1e9e51c237a1ec47a97e96dce76c98c m68knommu: fix use of cpu_to_le() on IO access date: 11 months ago config: m68k-randconfig-s031-20210622 (attached as .config) compiler: m68k-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: v0.6.3-341-g8af24329-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout d4aa8affa1e9e51c237a1ec47a97e96dce76c98c # 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__' W=1 ARCH=m68k If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/memstick/host/r592.c:47:12: sparse: sparse: symbol 'memstick_debug_get_tpc_name' was not declared. Should it be static? drivers/memstick/host/r592.c:83:9: sparse: expected unsigned int volatile [usertype] drivers/memstick/host/r592.c:83:9: sparse: got restricted __be32 [usertype] drivers/memstick/host/r592.c:83:9: sparse: expected unsigned int volatile [usertype] drivers/memstick/host/r592.c:83:9: sparse: got restricted __be32 [usertype] drivers/memstick/host/r592.c:83:9: sparse: expected unsigned int volatile [usertype] drivers/memstick/host/r592.c:83:9: sparse: got restricted __be32 [usertype] drivers/memstick/host/r592.c:75:16: sparse: sparse: cast to restricted __be32 drivers/memstick/host/r592.c:75:16: sparse: sparse: cast to restricted __be32 vim +83 drivers/memstick/host/r592.c 9263412501022f Maxim Levitsky 2011-03-25 42 9263412501022f Maxim Levitsky 2011-03-25 43 /** 9263412501022f Maxim Levitsky 2011-03-25 44 * memstick_debug_get_tpc_name - debug helper that returns string for 9263412501022f Maxim Levitsky 2011-03-25 45 * a TPC number 9263412501022f Maxim Levitsky 2011-03-25 46 */ 9263412501022f Maxim Levitsky 2011-03-25 @47 const char *memstick_debug_get_tpc_name(int tpc) 9263412501022f Maxim Levitsky 2011-03-25 48 { 9263412501022f Maxim Levitsky 2011-03-25 49 return tpc_names[tpc-1]; 9263412501022f Maxim Levitsky 2011-03-25 50 } 9263412501022f Maxim Levitsky 2011-03-25 51 EXPORT_SYMBOL(memstick_debug_get_tpc_name); 9263412501022f Maxim Levitsky 2011-03-25 52 9263412501022f Maxim Levitsky 2011-03-25 53 9263412501022f Maxim Levitsky 2011-03-25 54 /* Read a register*/ 9263412501022f Maxim Levitsky 2011-03-25 55 static inline u32 r592_read_reg(struct r592_device *dev, int address) 9263412501022f Maxim Levitsky 2011-03-25 56 { 9263412501022f Maxim Levitsky 2011-03-25 57 u32 value = readl(dev->mmio + address); 9263412501022f Maxim Levitsky 2011-03-25 58 dbg_reg("reg #%02d == 0x%08x", address, value); 9263412501022f Maxim Levitsky 2011-03-25 59 return value; 9263412501022f Maxim Levitsky 2011-03-25 60 } 9263412501022f Maxim Levitsky 2011-03-25 61 9263412501022f Maxim Levitsky 2011-03-25 62 /* Write a register */ 9263412501022f Maxim Levitsky 2011-03-25 63 static inline void r592_write_reg(struct r592_device *dev, 9263412501022f Maxim Levitsky 2011-03-25 64 int address, u32 value) 9263412501022f Maxim Levitsky 2011-03-25 65 { 9263412501022f Maxim Levitsky 2011-03-25 66 dbg_reg("reg #%02d <- 0x%08x", address, value); 9263412501022f Maxim Levitsky 2011-03-25 67 writel(value, dev->mmio + address); 9263412501022f Maxim Levitsky 2011-03-25 68 } 9263412501022f Maxim Levitsky 2011-03-25 69 9263412501022f Maxim Levitsky 2011-03-25 70 /* Reads a big endian DWORD register */ 9263412501022f Maxim Levitsky 2011-03-25 71 static inline u32 r592_read_reg_raw_be(struct r592_device *dev, int address) 9263412501022f Maxim Levitsky 2011-03-25 72 { 9263412501022f Maxim Levitsky 2011-03-25 73 u32 value = __raw_readl(dev->mmio + address); 9263412501022f Maxim Levitsky 2011-03-25 74 dbg_reg("reg #%02d == 0x%08x", address, value); 9263412501022f Maxim Levitsky 2011-03-25 75 return be32_to_cpu(value); 9263412501022f Maxim Levitsky 2011-03-25 76 } 9263412501022f Maxim Levitsky 2011-03-25 77 9263412501022f Maxim Levitsky 2011-03-25 78 /* Writes a big endian DWORD register */ 9263412501022f Maxim Levitsky 2011-03-25 79 static inline void r592_write_reg_raw_be(struct r592_device *dev, 9263412501022f Maxim Levitsky 2011-03-25 80 int address, u32 value) 9263412501022f Maxim Levitsky 2011-03-25 81 { 9263412501022f Maxim Levitsky 2011-03-25 82 dbg_reg("reg #%02d <- 0x%08x", address, value); 9263412501022f Maxim Levitsky 2011-03-25 @83 __raw_writel(cpu_to_be32(value), dev->mmio + address); 9263412501022f Maxim Levitsky 2011-03-25 84 } 9263412501022f Maxim Levitsky 2011-03-25 85 :::::: The code at line 83 was first introduced by commit :::::: 9263412501022fecef844907129ee2513b5a89de memstick: add driver for Ricoh R5C592 card reader :::::: TO: Maxim Levitsky <maximlevitsky(a)gmail.com&gt; :::::: CC: Linus Torvalds <torvalds(a)linux-foundation.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org