head:   0315c3f86cfcdd4575fc47ffd28e03a96bab4c49
commit: a01d53666eca78c35c67fd6facbd89116b7d9edc [2/85] OF: DT-Overlay configfs 
interface (v7)
config: sparc-allmodconfig (attached as .config)
compiler: sparc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
 -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout a01d53666eca78c35c67fd6facbd89116b7d9edc
        # save the attached .config to linux build tree
        make.cross ARCH=sparc 

All errors (new ones prefixed by >>):

   drivers/of/configfs.c: In function 'create_overlay':
>> drivers/of/configfs.c:48:2: error: implicit declaration of function 
>> 'of_fdt_unflatten_tree' [-Werror=implicit-function-declaration]
     of_fdt_unflatten_tree(blob, NULL, &overlay->overlay);
   In file included from include/linux/kernel.h:13:0,
                    from include/linux/list.h:8,
                    from include/linux/kobject.h:20,
                    from include/linux/device.h:17,
                    from include/linux/node.h:17,
                    from include/linux/cpu.h:16,
                    from drivers/of/configfs.c:12:
   drivers/of/configfs.c: In function 'cfs_overlay_item_dtbo_read':
   drivers/of/configfs.c:153:11: warning: format '%u' expects argument of type 
'unsigned int', but argument 5 has type 'size_t {aka long unsigned int}' 
     pr_debug("%s: buf=%p max_count=%u\n", __func__,
   include/linux/printk.h:260:21: note: in definition of macro 'pr_fmt'
    #define pr_fmt(fmt) fmt
   include/linux/printk.h:308:2: note: in expansion of macro 'dynamic_pr_debug'
     dynamic_pr_debug(fmt, ##__VA_ARGS__)
   drivers/of/configfs.c:153:2: note: in expansion of macro 'pr_debug'
     pr_debug("%s: buf=%p max_count=%u\n", __func__,
   cc1: some warnings being treated as errors

vim +/of_fdt_unflatten_tree +48 drivers/of/configfs.c

    43  static int create_overlay(struct cfs_overlay_item *overlay, void *blob)
    44  {
    45          int err;
    47          /* unflatten the tree */
  > 48          of_fdt_unflatten_tree(blob, NULL, &overlay->overlay);
    49          if (overlay->overlay == NULL) {
    50                  pr_err("%s: failed to unflatten tree\n", __func__);
    51                  err = -EINVAL;

0-DAY kernel test infrastructure                Open Source Technology Center                   Intel Corporation

Attachment: .config.gz
Description: application/gzip

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