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dtoc: Track nodes which are actually used

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Mark all nodes that are actually used, so we can perform extra checks on
them.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2021-02-03 06:01:01 -07:00
parent fd471e2ce1
commit b9319c4f9b
4 changed files with 37 additions and 4 deletions
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25
tools/dtoc/src_scan.py
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@@ -66,6 +66,7 @@ class Driver:
e.g. 'pci_child_priv'
child_plat (str): struct name of the per_child_plat_auto member,
e.g. 'pci_child_plat'
used (bool): True if the driver is used by the structs being output
"""
def __init__(self, name, fname):
self.name = name
@@ -76,17 +77,19 @@ class Driver:
self.plat = ''
self.child_priv = ''
self.child_plat = ''
self.used = False
def __eq__(self, other):
return (self.name == other.name and
self.uclass_id == other.uclass_id and
self.compat == other.compat and
self.priv == other.priv and
self.plat == other.plat)
self.plat == other.plat and
self.used == other.used)
def __repr__(self):
return ("Driver(name='%s', uclass_id='%s', compat=%s, priv=%s)" %
(self.name, self.uclass_id, self.compat, self.priv))
return ("Driver(name='%s', used=%s, uclass_id='%s', compat=%s, priv=%s)" %
(self.name, self.used, self.uclass_id, self.compat, self.priv))
class UclassDriver:
@@ -596,3 +599,19 @@ class Scanner:
self.scan_driver(fname)
else:
self.scan_driver(self._basedir + '/' + fname)
def mark_used(self, nodes):
"""Mark the drivers associated with a list of nodes as 'used'
This takes a list of nodes, finds the driver for each one and marks it
as used.
Args:
nodes (list of None): Nodes that are in use
"""
# Figure out which drivers we actually use
for node in nodes:
struct_name, _ = self.get_normalized_compat_name(node)
driver = self._drivers.get(struct_name)
if driver:
driver.used = True