diff options
| -rw-r--r-- | tools/dtoc/fdt.py | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/tools/dtoc/fdt.py b/tools/dtoc/fdt.py index 5cde8c125a..18cde2604f 100644 --- a/tools/dtoc/fdt.py +++ b/tools/dtoc/fdt.py @@ -10,6 +10,7 @@ import sys import fdt_util import libfdt +from libfdt import QUIET_NOTFOUND # This deals with a device tree, presenting it as an assortment of Node and # Prop objects, representing nodes and properties, respectively. This file @@ -211,22 +212,22 @@ class Node: This fills in the props and subnodes properties, recursively searching into subnodes so that the entire tree is built. """ + fdt_obj = self._fdt._fdt_obj self.props = self._fdt.GetProps(self) - phandle = self.props.get('phandle') + phandle = fdt_obj.get_phandle(self.Offset()) if phandle: - val = fdt_util.fdt32_to_cpu(phandle.value) - self._fdt.phandle_to_node[val] = self + self._fdt.phandle_to_node[phandle] = self - offset = libfdt.fdt_first_subnode(self._fdt.GetFdt(), self.Offset()) + offset = fdt_obj.first_subnode(self.Offset(), QUIET_NOTFOUND) while offset >= 0: sep = '' if self.path[-1] == '/' else '/' - name = self._fdt._fdt_obj.get_name(offset) + name = fdt_obj.get_name(offset) path = self.path + sep + name node = Node(self._fdt, self, offset, name, path) self.subnodes.append(node) node.Scan() - offset = libfdt.fdt_next_subnode(self._fdt.GetFdt(), offset) + offset = fdt_obj.next_subnode(offset, QUIET_NOTFOUND) def Refresh(self, my_offset): """Fix up the _offset for each node, recursively @@ -324,9 +325,8 @@ class Fdt: When nodes and properties shrink or are deleted, wasted space can build up in the device tree binary. """ - CheckErr(libfdt.fdt_pack(self._fdt), 'pack') - fdt_len = libfdt.fdt_totalsize(self._fdt) - del self._fdt[fdt_len:] + CheckErr(self._fdt_obj.pack(), 'pack') + self.Invalidate() def GetFdt(self): """Get the contents of the FDT @@ -363,13 +363,15 @@ class Fdt: ValueError: if the node does not exist. """ props_dict = {} - poffset = libfdt.fdt_first_property_offset(self._fdt, node._offset) + poffset = self._fdt_obj.first_property_offset(node._offset, + QUIET_NOTFOUND) while poffset >= 0: p = self._fdt_obj.get_property_by_offset(poffset) prop = Prop(node, poffset, p.name, p) props_dict[prop.name] = prop - poffset = libfdt.fdt_next_property_offset(self._fdt, poffset) + poffset = self._fdt_obj.next_property_offset(poffset, + QUIET_NOTFOUND) return props_dict def Invalidate(self): @@ -395,7 +397,7 @@ class Fdt: Returns: Position of @offset within the device tree binary """ - return libfdt.fdt_off_dt_struct(self._fdt) + offset + return self._fdt_obj.off_dt_struct() + offset @classmethod def Node(self, fdt, parent, offset, name, path): |