tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: e7d6987e09a328d4a949701db40ef63fbb970670 commit: 6eab9bfd712f63c0977f2d38a45f321816030707 [5313/5845] Merge branch 'omap1/multiplatform-prep' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc into arm/multiplatform config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20220424/202204241527.n36cr1e5-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0 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: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=6eab9bfd712f63c0977f2d38a45f321816030707 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 6eab9bfd712f63c0977f2d38a45f321816030707 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash 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/arm/mach-omap2/sram.c:78:17: sparse: sparse: cast removes address space '__iomem' of expression vim +/__iomem +78 arch/arm/mach-omap2/sram.c bd5b46d0540296 Arnd Bergmann 2019-09-20 55 bd5b46d0540296 Arnd Bergmann 2019-09-20 56 /* bd5b46d0540296 Arnd Bergmann 2019-09-20 57 * Memory allocator for SRAM: calculates the new ceiling address bd5b46d0540296 Arnd Bergmann 2019-09-20 58 * for pushing a function using the fncpy API. bd5b46d0540296 Arnd Bergmann 2019-09-20 59 * bd5b46d0540296 Arnd Bergmann 2019-09-20 60 * Note that fncpy requires the returned address to be aligned bd5b46d0540296 Arnd Bergmann 2019-09-20 61 * to an 8-byte boundary. bd5b46d0540296 Arnd Bergmann 2019-09-20 62 */ bd5b46d0540296 Arnd Bergmann 2019-09-20 63 static void *omap_sram_push_address(unsigned long size) bd5b46d0540296 Arnd Bergmann 2019-09-20 64 { bd5b46d0540296 Arnd Bergmann 2019-09-20 65 unsigned long available, new_ceil = (unsigned long)omap_sram_ceil; bd5b46d0540296 Arnd Bergmann 2019-09-20 66 bd5b46d0540296 Arnd Bergmann 2019-09-20 67 available = omap_sram_ceil - (omap_sram_base + omap_sram_skip); bd5b46d0540296 Arnd Bergmann 2019-09-20 68 bd5b46d0540296 Arnd Bergmann 2019-09-20 69 if (size > available) { bd5b46d0540296 Arnd Bergmann 2019-09-20 70 pr_err("Not enough space in SRAM\n"); bd5b46d0540296 Arnd Bergmann 2019-09-20 71 return NULL; bd5b46d0540296 Arnd Bergmann 2019-09-20 72 } bd5b46d0540296 Arnd Bergmann 2019-09-20 73 bd5b46d0540296 Arnd Bergmann 2019-09-20 74 new_ceil -= size; bd5b46d0540296 Arnd Bergmann 2019-09-20 75 new_ceil = ROUND_DOWN(new_ceil, FNCPY_ALIGN); bd5b46d0540296 Arnd Bergmann 2019-09-20 76 omap_sram_ceil = IOMEM(new_ceil); bd5b46d0540296 Arnd Bergmann 2019-09-20 77 bd5b46d0540296 Arnd Bergmann 2019-09-20 @78 return (void *)omap_sram_ceil; bd5b46d0540296 Arnd Bergmann 2019-09-20 79 } bd5b46d0540296 Arnd Bergmann 2019-09-20 80 :::::: The code at line 78 was first introduced by commit :::::: bd5b46d054029637b3c8b4918406eae8b9291ccc ARM: omap: un-merge plat/sram.c :::::: TO: Arnd Bergmann <arnd@xxxxxxxx> :::::: CC: Arnd Bergmann <arnd@xxxxxxxx> -- 0-DAY CI Kernel Test Service https://01.org/lkp
