dtoc: Update Fdt.FromData() to allow a name
It is confusing when something goes wrong with a device tree which was
created from data rather than a file, since there is no identifying
filename. Add an option to provide this. Use the filename as the name,
where available
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/dtoc/fdt.py b/tools/dtoc/fdt.py
index 3870eb1..b341ef3 100644
--- a/tools/dtoc/fdt.py
+++ b/tools/dtoc/fdt.py
@@ -498,29 +498,35 @@
Properties:
fname: Filename of fdt
_root: Root of device tree (a Node object)
+ name: Helpful name for this Fdt for the user (useful when creating the
+ DT from data rather than a file)
"""
def __init__(self, fname):
self._fname = fname
self._cached_offsets = False
self.phandle_to_node = {}
+ self.name = ''
if self._fname:
+ self.name = self._fname
self._fname = fdt_util.EnsureCompiled(self._fname)
with open(self._fname, 'rb') as fd:
self._fdt_obj = libfdt.Fdt(fd.read())
@staticmethod
- def FromData(data):
+ def FromData(data, name=''):
"""Create a new Fdt object from the given data
Args:
data: Device-tree data blob
+ name: Helpful name for this Fdt for the user
Returns:
Fdt object containing the data
"""
fdt = Fdt(None)
fdt._fdt_obj = libfdt.Fdt(bytes(data))
+ fdt.name = name
return fdt
def LookupPhandle(self, phandle):