]> git.karo-electronics.de Git - karo-tx-uboot.git/blobdiff - tools/fdtgrep.c
ARM: tegra: enable standard clock/reset APIs everywhere
[karo-tx-uboot.git] / tools / fdtgrep.c
index 67aa41a24de3a2da474331d64989ccba6109f8a4..8d3fef40279a5bdaf6ee48d6137f18be06d3a013 100644 (file)
@@ -660,6 +660,8 @@ static int fdtgrep_find_regions(const void *fdt,
                if (!ret)
                        count++;
        }
+       if (ret && ret != -FDT_ERR_NOTFOUND)
+               return ret;
 
        /* Find all the aliases and add those regions back in */
        if (disp->add_aliases && count < max_regions) {
@@ -667,7 +669,11 @@ static int fdtgrep_find_regions(const void *fdt,
 
                new_count = fdt_add_alias_regions(fdt, region, count,
                                                  max_regions, &state);
-               if (new_count <= max_regions) {
+               if (new_count == -FDT_ERR_NOTFOUND) {
+                       /* No alias node found */
+               } else if (new_count < 0) {
+                       return new_count;
+               } else if (new_count <= max_regions) {
                        /*
                        * The alias regions will now be at the end of the list.
                        * Sort the regions by offset to get things into the
@@ -679,9 +685,6 @@ static int fdtgrep_find_regions(const void *fdt,
                }
        }
 
-       if (ret != -FDT_ERR_NOTFOUND)
-               return ret;
-
        return count;
 }
 
@@ -807,6 +810,9 @@ static int do_fdtgrep(struct display_info *disp, const char *filename)
                                disp->flags);
                if (count < 0) {
                        report_error("fdt_find_regions", count);
+                       if (count == -FDT_ERR_BADLAYOUT)
+                               fprintf(stderr,
+                                       "/aliases node must come before all other nodes\n");
                        return -1;
                }
                if (count <= max_regions)