Add this into the class to simplify use of this function.
Signed-off-by: Appana Durga Kedareswara rao <appana.durga.rao@xxxxxxxxxx>
---
Changes for v2:
--> Corrected return value as suggested by Simon.
pylibfdt/libfdt.i | 12 ++++++++++++
tests/pylibfdt_tests.py | 7 +++++++
2 files changed, 19 insertions(+)
diff --git a/pylibfdt/libfdt.i b/pylibfdt/libfdt.i
index 643f95d..3003600 100644
--- a/pylibfdt/libfdt.i
+++ b/pylibfdt/libfdt.i
@@ -431,6 +431,18 @@ class FdtRo(object):
"""
return fdt_get_phandle(self._fdt, nodeoffset)
+ def get_alias(self, name):
+ """Get the full path referenced by a given alias
+
+ Args:
+ name: name of the alias to lookup
+
+ Returns:
+ Full path to the node for the alias named 'name', if it exists
+ None, if the given alias or the /aliases node does not exist
+ """
+ return fdt_get_alias(self._fdt, name)
+
def parent_offset(self, nodeoffset, quiet=()):
"""Get the offset of a node's parent
diff --git a/tests/pylibfdt_tests.py b/tests/pylibfdt_tests.py
index c055f01..42f31ba 100644
--- a/tests/pylibfdt_tests.py
+++ b/tests/pylibfdt_tests.py
@@ -77,6 +77,7 @@ class PyLibfdtBasicTests(unittest.TestCase):
"""Read in the device tree we use for testing"""
self.fdt = _ReadFdt('test_tree1.dtb')
self.fdt2 = _ReadFdt('test_props.dtb')
+ self.fdt3 = _ReadFdt('aliases.dtb')
def GetPropList(self, node_path):
"""Read a list of properties from a node
@@ -340,6 +341,12 @@ class PyLibfdtBasicTests(unittest.TestCase):
node2 = self.fdt.path_offset('/subnode@2')
self.assertEquals(0x2000, self.fdt.get_phandle(node2))
+ def testGetAlias(self):
+ """Test for the get_alias() method"""
+ self.assertEquals("/subnode@1", self.fdt3.get_alias('s1'))
+ self.assertEquals("/subnode@1/subsubnode", self.fdt3.get_alias('ss1'))
+ self.assertEquals("/subnode@1/subsubnode/subsubsubnode", self.fdt3.get_alias('sss1'))
+
def testParentOffset(self):
"""Test for the parent_offset() method"""
self.assertEquals(-libfdt.NOTFOUND,
--
2.7.4
