[U-Boot] [PATCH 01/31] fdt: Add Python support for adding/removing nodes
Simon Glass
sjg at chromium.org
Fri Sep 14 10:57:06 UTC 2018
Pull this support from these upstream commits:
bfbfab0 pylibfdt: Add a means to add and delete notes
9005f41 pylibfdt: Allow delprop() to return errors
Signed-off-by: Simon Glass <sjg at chromium.org>
---
scripts/dtc/pylibfdt/libfdt.i_shipped | 34 ++++++++++++++++++++++-----
1 file changed, 28 insertions(+), 6 deletions(-)
diff --git a/scripts/dtc/pylibfdt/libfdt.i_shipped b/scripts/dtc/pylibfdt/libfdt.i_shipped
index 0f17c5879e7..76e61e98bdf 100644
--- a/scripts/dtc/pylibfdt/libfdt.i_shipped
+++ b/scripts/dtc/pylibfdt/libfdt.i_shipped
@@ -628,28 +628,50 @@ class Fdt(FdtRo):
return check_err(fdt_setprop(self._fdt, nodeoffset, prop_name,
val, len(val)), quiet)
- def delprop(self, nodeoffset, prop_name):
+ def delprop(self, nodeoffset, prop_name, quiet=()):
"""Delete a property from a node
Args:
nodeoffset: Node offset containing property to delete
prop_name: Name of property to delete
+ quiet: Errors to ignore (empty to raise on all errors)
+
+ Returns:
+ Error code, or 0 if OK
Raises:
FdtError if the property does not exist, or another error occurs
"""
- return check_err(fdt_delprop(self._fdt, nodeoffset, prop_name))
+ return check_err(fdt_delprop(self._fdt, nodeoffset, prop_name), quiet)
+
+ def add_subnode(self, parentoffset, name, quiet=()):
+ """Add a new subnode to a node
- def del_node(self, nodeoffset):
+ Args:
+ parentoffset: Parent offset to add the subnode to
+ name: Name of node to add
+
+ Returns:
+ offset of the node created, or negative error code on failure
+
+ Raises:
+ FdtError if there is not enough space, or another error occurs
+ """
+ return check_err(fdt_add_subnode(self._fdt, parentoffset, name), quiet)
+
+ def del_node(self, nodeoffset, quiet=()):
"""Delete a node
Args:
- nodeoffset: Node offset containing property to delete
+ nodeoffset: Offset of node to delete
+
+ Returns:
+ Error code, or 0 if OK
Raises:
- FdtError if the node does not exist, or another error occurs
+ FdtError if an error occurs
"""
- return check_err(fdt_del_node(self._fdt, nodeoffset))
+ return check_err(fdt_del_node(self._fdt, nodeoffset), quiet)
class Property(bytearray):
--
2.19.0.397.gdd90340f6a-goog
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