Hi Oreoluwa, kernel test robot noticed the following build warnings: [auto build test WARNING on robh/for-next] [also build test WARNING on arm64/for-next/core vgupta-arc/for-curr powerpc/next powerpc/fixes jcmvbkbc-xtensa/xtensa-for-next linus/master v6.8-rc1 next-20240125] [cannot apply to vgupta-arc/for-next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Oreoluwa-Babatunde/of-reserved_mem-Change-the-order-that-reserved_mem-regions-are-stored/20240127-081735 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20240126235425.12233-31-quic_obabatun%40quicinc.com patch subject: [PATCH 30/46] of: reserved_mem: Add code to use unflattened DT for reserved_mem nodes config: i386-randconfig-061-20240127 (https://download.01.org/0day-ci/archive/20240128/202401281219.iIhqs1Si-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240128/202401281219.iIhqs1Si-lkp@xxxxxxxxx/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 | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202401281219.iIhqs1Si-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/of/of_reserved_mem.c:111:18: sparse: sparse: incompatible types for operation (<): drivers/of/of_reserved_mem.c:111:18: sparse: struct device_node *[assigned] node drivers/of/of_reserved_mem.c:111:18: sparse: int vim +111 drivers/of/of_reserved_mem.c 98 99 /* 100 * Save the reserved_mem reg nodes in the reserved_mem array 101 */ 102 static void __init dt_scan_reserved_mem_reg_nodes(void) 103 { 104 int t_len = (dt_root_addr_cells + dt_root_size_cells) * sizeof(__be32); 105 struct device_node *node, *child; 106 phys_addr_t base, size; 107 const __be32 *prop; 108 int len; 109 110 node = of_find_node_by_path("/reserved-memory"); > 111 if (node < 0) { 112 pr_err("Reserved memory: Did not find reserved-memory node\n"); 113 return; 114 } 115 116 for_each_child_of_node(node, child) { 117 const char *uname; 118 struct reserved_mem *rmem; 119 120 if (!of_device_is_available(child)) 121 continue; 122 123 prop = of_get_property(child, "reg", &len); 124 if (!prop) { 125 rmem = of_reserved_mem_lookup(child); 126 if (rmem) 127 rmem->dev_node = child; 128 continue; 129 } 130 131 uname = of_node_full_name(child); 132 if (len && len % t_len != 0) { 133 pr_err("Reserved memory: invalid reg property in '%s', skipping node.\n", 134 uname); 135 continue; 136 } 137 138 base = dt_mem_next_cell(dt_root_addr_cells, &prop); 139 size = dt_mem_next_cell(dt_root_size_cells, &prop); 140 141 if (size) 142 fdt_reserved_mem_save_node(child, uname, base, size); 143 } 144 } 145 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki