rust: rust_is_available: remove warning for `bindgen` 0.66.[01]

It is not possible anymore to fall into the issue that this warning was
alerting about given the `bindgen` version bump.

Thus simplify by removing the machinery behind it, including tests.

Reviewed-by: Tamir Duberstein <tamird@kernel.org>
Link: https://patch.msgid.link/20260405235309.418950-19-ojeda@kernel.org
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

1 files changed, 3 insertions, 23 deletions

diff --git a/scripts/rust_is_available_test.py b/scripts/rust_is_available_test.py
index 4fcc319dea84..b66fa5933844 100755
--- a/scripts/rust_is_available_test.py
+++ b/scripts/rust_is_available_test.py
@@ -54,17 +54,12 @@ else:
 """)
 
     @classmethod
-    def generate_bindgen(cls, version_stdout, libclang_stderr, version_0_66_patched=False, libclang_concat_patched=False):
+    def generate_bindgen(cls, version_stdout, libclang_stderr, libclang_concat_patched=False):
         if libclang_stderr is None:
             libclang_case = f"raise SystemExit({cls.bindgen_default_bindgen_libclang_failure_exit_code})"
         else:
             libclang_case = f"print({repr(libclang_stderr)}, file=sys.stderr)"
 
-        if version_0_66_patched:
-            version_0_66_case = "pass"
-        else:
-            version_0_66_case = "raise SystemExit(1)"
-
         if libclang_concat_patched:
             libclang_concat_case = "print('pub static mut foofoo: ::std::os::raw::c_int;')"
         else:
@@ -74,8 +69,6 @@ else:
 import sys
 if "rust_is_available_bindgen_libclang.h" in " ".join(sys.argv):
     {libclang_case}
-elif "rust_is_available_bindgen_0_66.h" in " ".join(sys.argv):
-    {version_0_66_case}
 elif "rust_is_available_bindgen_libclang_concat.h" in " ".join(sys.argv):
     {libclang_concat_case}
 else:
@@ -83,8 +76,8 @@ else:
 """)
 
     @classmethod
-    def generate_bindgen_version(cls, stdout, version_0_66_patched=False):
-        return cls.generate_bindgen(stdout, cls.bindgen_default_bindgen_libclang_stderr, version_0_66_patched)
+    def generate_bindgen_version(cls, stdout):
+        return cls.generate_bindgen(stdout, cls.bindgen_default_bindgen_libclang_stderr)
 
     @classmethod
     def generate_bindgen_libclang_failure(cls):
@@ -245,19 +238,6 @@ else:
         result = self.run_script(self.Expected.FAILURE, { "BINDGEN": bindgen })
         self.assertIn(f"Rust bindings generator '{bindgen}' is too old.", result.stderr)
 
-    def test_bindgen_bad_version_0_66_0_and_0_66_1(self):
-        for version in ("0.66.0", "0.66.1"):
-            with self.subTest(version=version):
-                bindgen = self.generate_bindgen_version(f"bindgen {version}")
-                result = self.run_script(self.Expected.SUCCESS_WITH_WARNINGS, { "BINDGEN": bindgen })
-                self.assertIn(f"Rust bindings generator '{bindgen}' versions 0.66.0 and 0.66.1 may not", result.stderr)
-
-    def test_bindgen_bad_version_0_66_0_and_0_66_1_patched(self):
-        for version in ("0.66.0", "0.66.1"):
-            with self.subTest(version=version):
-                bindgen = self.generate_bindgen_version(f"bindgen {version}", True)
-                result = self.run_script(self.Expected.SUCCESS, { "BINDGEN": bindgen })
-
     def test_bindgen_libclang_failure(self):
         bindgen = self.generate_bindgen_libclang_failure()
         result = self.run_script(self.Expected.FAILURE, { "BINDGEN": bindgen })