diff options
Diffstat (limited to 'scripts/dtc/libfdt/fdt_ro.c')
| -rw-r--r-- | scripts/dtc/libfdt/fdt_ro.c | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/scripts/dtc/libfdt/fdt_ro.c b/scripts/dtc/libfdt/fdt_ro.c index 50cce864283c..3d00d2eee0e3 100644 --- a/scripts/dtc/libfdt/fdt_ro.c +++ b/scripts/dtc/libfdt/fdt_ro.c @@ -88,6 +88,32 @@ static int _fdt_string_eq(const void *fdt, int stroffset, return (strlen(p) == len) && (memcmp(p, s, len) == 0); } +uint32_t fdt_get_max_phandle(const void *fdt) +{ + uint32_t max_phandle = 0; + int offset; + + for (offset = fdt_next_node(fdt, -1, NULL);; + offset = fdt_next_node(fdt, offset, NULL)) { + uint32_t phandle; + + if (offset == -FDT_ERR_NOTFOUND) + return max_phandle; + + if (offset < 0) + return (uint32_t)-1; + + phandle = fdt_get_phandle(fdt, offset); + if (phandle == (uint32_t)-1) + continue; + + if (phandle > max_phandle) + max_phandle = phandle; + } + + return 0; +} + int fdt_get_mem_rsv(const void *fdt, int n, uint64_t *address, uint64_t *size) { FDT_CHECK_HEADER(fdt); @@ -545,7 +571,7 @@ int fdt_stringlist_count(const void *fdt, int nodeoffset, const char *property) list = fdt_getprop(fdt, nodeoffset, property, &length); if (!list) - return -length; + return length; end = list + length; @@ -571,7 +597,7 @@ int fdt_stringlist_search(const void *fdt, int nodeoffset, const char *property, list = fdt_getprop(fdt, nodeoffset, property, &length); if (!list) - return -length; + return length; len = strlen(string) + 1; end = list + length; |