Messages in this thread | | | Date | Sat, 10 Jul 2021 23:51:45 +0800 | From | kernel test robot <> | Subject | drivers/mtd/nand/raw/sh_flctl.c:510:17: sparse: sparse: incorrect type in assignment (different base types) |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 50be9417e23af5a8ac860d998e1e3f06b8fd79d7 commit: 005b73d0dd83c9cb9420a196bea8070cde30ecac m68knommu: __force type casts for raw IO access date: 12 months ago config: m68k-randconfig-s031-20210710 (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/?id=005b73d0dd83c9cb9420a196bea8070cde30ecac git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 005b73d0dd83c9cb9420a196bea8070cde30ecac # 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=m68k
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>) drivers/mtd/nand/raw/sh_flctl.c:456:16: sparse: sparse: cast to restricted __le32 drivers/mtd/nand/raw/sh_flctl.c:456:16: sparse: sparse: cast to restricted __le32 drivers/mtd/nand/raw/sh_flctl.c:456:16: sparse: sparse: cast to restricted __le32 drivers/mtd/nand/raw/sh_flctl.c:456:16: sparse: sparse: cast to restricted __le32 drivers/mtd/nand/raw/sh_flctl.c:456:16: sparse: sparse: cast to restricted __le32 drivers/mtd/nand/raw/sh_flctl.c:456:16: sparse: sparse: cast to restricted __le32 drivers/mtd/nand/raw/sh_flctl.c:479:26: sparse: sparse: cast to restricted __be32 drivers/mtd/nand/raw/sh_flctl.c:494:38: sparse: sparse: cast to restricted __be32 >> drivers/mtd/nand/raw/sh_flctl.c:510:17: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int volatile [usertype] @@ got restricted __be32 [usertype] @@ drivers/mtd/nand/raw/sh_flctl.c:510:17: sparse: expected unsigned int volatile [usertype] drivers/mtd/nand/raw/sh_flctl.c:510:17: sparse: got restricted __be32 [usertype] drivers/mtd/nand/raw/sh_flctl.c:523:24: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long @@ got restricted __be32 [usertype] @@ drivers/mtd/nand/raw/sh_flctl.c:523:24: sparse: expected unsigned long drivers/mtd/nand/raw/sh_flctl.c:523:24: sparse: got restricted __be32 [usertype]
vim +510 drivers/mtd/nand/raw/sh_flctl.c
6028aa01f759a1 drivers/mtd/nand/sh_flctl.c Yoshihiro Shimoda 2008-10-14 500 e8a9d8f31c592e drivers/mtd/nand/sh_flctl.c Bastian Hecht 2012-10-19 501 static void write_fiforeg(struct sh_flctl *flctl, int rlen, e8a9d8f31c592e drivers/mtd/nand/sh_flctl.c Bastian Hecht 2012-10-19 502 unsigned int offset) 6028aa01f759a1 drivers/mtd/nand/sh_flctl.c Yoshihiro Shimoda 2008-10-14 503 { 6028aa01f759a1 drivers/mtd/nand/sh_flctl.c Yoshihiro Shimoda 2008-10-14 504 int i, len_4align; e8a9d8f31c592e drivers/mtd/nand/sh_flctl.c Bastian Hecht 2012-10-19 505 unsigned long *buf = (unsigned long *)&flctl->done_buff[offset]; 6028aa01f759a1 drivers/mtd/nand/sh_flctl.c Yoshihiro Shimoda 2008-10-14 506 6028aa01f759a1 drivers/mtd/nand/sh_flctl.c Yoshihiro Shimoda 2008-10-14 507 len_4align = (rlen + 3) / 4; 6028aa01f759a1 drivers/mtd/nand/sh_flctl.c Yoshihiro Shimoda 2008-10-14 508 for (i = 0; i < len_4align; i++) { 6028aa01f759a1 drivers/mtd/nand/sh_flctl.c Yoshihiro Shimoda 2008-10-14 509 wait_wfifo_ready(flctl); e8a9d8f31c592e drivers/mtd/nand/sh_flctl.c Bastian Hecht 2012-10-19 @510 writel(cpu_to_be32(buf[i]), FLDTFIFO(flctl)); 6028aa01f759a1 drivers/mtd/nand/sh_flctl.c Yoshihiro Shimoda 2008-10-14 511 } 6028aa01f759a1 drivers/mtd/nand/sh_flctl.c Yoshihiro Shimoda 2008-10-14 512 } 6028aa01f759a1 drivers/mtd/nand/sh_flctl.c Yoshihiro Shimoda 2008-10-14 513
:::::: The code at line 510 was first introduced by commit :::::: e8a9d8f31c592eea89f1b0d3fd425e7a96944e88 mtd: sh_flctl: Minor cleanups
:::::: TO: Bastian Hecht <hechtb@googlemail.com> :::::: CC: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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