Arm backend: Make compile_spec validate function private

The function is only used internally and is not part of the public API.
Make it private by renaming it to _validate().

Change-Id: I00f0d0a5f7437f303942030f27515c642135ef58
Signed-off-by: Sebastian Larsson <sebastian.larsson@arm.com>

Author: Sebastian-Larsson

backends/arm/common/arm_compile_spec.py

@@ -135,7 +135,7 @@ def from_list(cls, compile_specs: list[CompileSpec]):  # noqa: C901
             pipeline_config=pipeline_config,
         )
         cls._from_list_hook(compile_spec, unknown_specs)
-        compile_spec.validate()
+        compile_spec._validate()
         return compile_spec
 
     @classmethod
@@ -144,7 +144,7 @@ def _from_list_hook(cls, compile_spec, specs: dict[str, str]):  # noqa: B027
         pass
 
     @abstractmethod
-    def validate(self):
+    def _validate(self):
         """Throws an error if the compile spec is not valid."""
 
     def to_list(self):

backends/arm/ethosu/compile_spec.py

@@ -119,7 +119,7 @@ def __init__(
         )
         tosa_spec = self._tosa_spec_for_target(target_lower)
         self._set_compile_specs(tosa_spec, compiler_flags)
-        self.validate()
+        self._validate()
 
     def to_list(self):
         """Return compile specs including the encoded Ethos-U target."""
@@ -132,7 +132,7 @@ def _from_list_hook(cls, compile_spec, specs: dict[str, str]):
         """Restore target-specific metadata from serialized compile specs."""
         compile_spec.target = specs.get(cls._TARGET_KEY, None)
 
-    def validate(self):
+    def _validate(self):
         """Validate the configuration against supported Ethos-U settings."""
         if len(self.compiler_flags) == 0:
             raise ValueError(

backends/arm/scripts/docgen/docgen.py

@@ -135,7 +135,7 @@ def generate_ethos_u_docs():
     """Generates documentation for the Ethos-U components in the backend."""
     compilespec_string = get_class_docstring(
         EthosUCompileSpec,
-        ("DebugMode", "to_list", "from_list", "validate"),
+        ("DebugMode", "to_list", "from_list"),
     )
     partitioner_string = get_class_docstring(EthosUPartitioner)
     quantizer_string = get_class_docstring(
@@ -190,7 +190,7 @@ def generate_vgf_docs():
     """Generates documentation for the VGF components in the backend."""
     compilespec_string = get_class_docstring(
         VgfCompileSpec,
-        ("DebugMode", "to_list", "from_list", "validate"),
+        ("DebugMode", "to_list", "from_list"),
     )
     partitioner_string = get_class_docstring(VgfPartitioner)
     quantizer_string = get_class_docstring(

backends/arm/tosa/compile_spec.py

@@ -23,9 +23,9 @@ def __init__(self, tosa_spec: TosaSpecification | str):
         if isinstance(tosa_spec, str):
             tosa_spec = TosaSpecification.create_from_string(tosa_spec)
         self._set_compile_specs(tosa_spec, [])
-        self.validate()
+        self._validate()
 
-    def validate(self):
+    def _validate(self):
         """Ensure that no unsupported compiler flags were supplied."""
         if len(self.compiler_flags) != 0:
             raise ValueError(

backends/arm/vgf/compile_spec.py

@@ -43,9 +43,9 @@ def __init__(
         if compiler_flags is None:
             compiler_flags = []
         self._set_compile_specs(tosa_spec, compiler_flags)
-        self.validate()
+        self._validate()
 
-    def validate(self):
+    def _validate(self):
         """Validate the configuration against VGF-supported TOSA profiles."""
         tosa_version = self.tosa_spec.version  # type: ignore[attr-defined]
         tosa_profiles = self.tosa_spec.profiles  # type: ignore[attr-defined]