[nomadik:ux500-href-dts-fixups 30/30] init/initramfs.c:672:3: warning: cast to smaller integer type 'unsigned int' from 'char *'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik.git ux500-href-dts-fixups
head:   3f62443c165ea1c988d9b0855292785a28906698
commit: 3f62443c165ea1c988d9b0855292785a28906698 [30/30] hacks
config: x86_64-randconfig-r004-20210418 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project f549176ad976caa3e19edd036df9a7e12770af7c)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik.git/commit/?id=3f62443c165ea1c988d9b0855292785a28906698
        git remote add nomadik https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik.git
        git fetch --no-tags nomadik ux500-href-dts-fixups
        git checkout 3f62443c165ea1c988d9b0855292785a28906698
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>

All warnings (new ones prefixed by >>):

>> init/initramfs.c:672:3: warning: cast to smaller integer type 'unsigned int' from 'char *' [-Wpointer-to-int-cast]
                   (unsigned int)__initramfs_start,
                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/printk.h:373:34: note: expanded from macro 'pr_info'
           printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
                                           ^~~~~~~~~~~
   init/initramfs.c:675:8: warning: ISO C90 forbids mixing declarations and code [-Wdeclaration-after-statement]
           char *err = unpack_to_rootfs(__initramfs_start, __initramfs_size);
                 ^
   2 warnings generated.


vim +672 init/initramfs.c

   667	
   668	static int __init populate_rootfs(void)
   669	{
   670		pr_info("%s enter __initramfs_start = %08x, __initramfs_size = %08x\n",
   671			__func__,
 > 672			(unsigned int)__initramfs_start,

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