Various DT and fwnode functions take a compatible string as a parameter.
These are often used in cases which don't have a driver, so they've been
missed.
The additional checks add about 400 more undocumented compatible
strings.
Cc: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>
Signed-off-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
---
scripts/dtc/dt-extract-compatibles | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/scripts/dtc/dt-extract-compatibles b/scripts/dtc/dt-extract-compatibles
index 5ffb2364409b..13ea66d49e6c 100755
--- a/scripts/dtc/dt-extract-compatibles
+++ b/scripts/dtc/dt-extract-compatibles
@@ -46,6 +46,15 @@ def parse_of_match_table(data):
return match_table_list
+def parse_of_functions(data, func_name):
+ """ Find all (device|machine)_is_compatible() arguments """
+ match_table_list = []
+ for m in re.finditer(rf'{func_name}\(([a-zA-Z0-9_>\(\)"\-]+,\s)*"([a-zA-Z0-9_,-]+)"\)', data):
+ match_table_list.append(m[2])
+
+ return match_table_list
+
+
def parse_compatibles(file, compat_ignore_list):
with open(file, 'r', encoding='utf-8') as f:
data = f.read().replace('\n', '')
@@ -60,6 +69,10 @@ def parse_compatibles(file, compat_ignore_list):
else:
compat_list = parse_of_declare_macros(data)
compat_list += parse_of_device_id(data)
+ compat_list += parse_of_functions(data, "_is_compatible")
+ compat_list += parse_of_functions(data, "of_find_compatible_node")
+ compat_list += parse_of_functions(data, "for_each_compatible_node")
+ compat_list += parse_of_functions(data, "of_get_compatible_child")
return compat_list
--
2.45.2
