diff options
Diffstat (limited to 'drivers/of/fdt.c')
| -rw-r--r-- | drivers/of/fdt.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 2f3b076399..8dca41990c 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -730,6 +730,17 @@ int fdt_machine_is_compatible(const struct fdt_header *fdt, size_t fdt_size, con dt_struct = dt_struct_advance(&f, dt_struct, sizeof(struct fdt_node_header) + 1); + /* + * Quoting Device Tree Specification v0.4 ยง5.4.2: + * + * [T]his process requires that all property definitions for + * a particular node precede any subnode definitions for that + * node. Although the structure would not be ambiguous if + * properties and subnodes were intermingled, the code needed + * to process a flat tree is simplified by this requirement. + * + * So let's make use of this simplification. + */ expect = FDT_PROP; break; |