5 files changed, 47 insertions, 0 deletions
diff --git a/scripts/kconfig/tests/transitional/Kconfig b/scripts/kconfig/tests/transitional/Kconfig
index 62c3b24665b9..faa4d396f828 100644
--- a/scripts/kconfig/tests/transitional/Kconfig
+++ b/scripts/kconfig/tests/transitional/Kconfig
@@ -96,5 +96,37 @@ config OLD_WITH_HELP
 	help
 	  This transitional symbol has a help section to validate that help is allowed.
 
+# Test that we can set something to =n via transitional symbol
+config NEW_DISABLED
+	tristate "Check for setting to disabled"
+	default OLD_DISABLED
+
+config OLD_DISABLED
+	tristate
+	transitional
+
+# Test that a potential new value disappears if it lacks a prompt
+config NEW_DISABLED_UNSAVED
+	tristate
+	default OLD_DISABLED
+
+config OLD_DISABLED_UNSAVED
+	tristate
+	transitional
+
+# Test conditional default: transitional value should not prevent prompting
+# when default visibility makes the expression evaluate to 'no'
+config DEPENDENCY_TEST
+	bool "Dependency for testing"
+	default n
+
+config NEW_CONDITIONAL_DEFAULT
+	bool "New option with conditional default"
+	default OLD_CONDITIONAL_DEFAULT if DEPENDENCY_TEST
+
+config OLD_CONDITIONAL_DEFAULT
+	bool
+	transitional
+
 config REGULAR_OPTION
 	bool "Regular option"
diff --git a/scripts/kconfig/tests/transitional/__init__.py b/scripts/kconfig/tests/transitional/__init__.py
index 61937d10edf1..b50ba2397548 100644
--- a/scripts/kconfig/tests/transitional/__init__.py
+++ b/scripts/kconfig/tests/transitional/__init__.py
@@ -6,6 +6,7 @@ This tests that:
 - OLD_* options in existing .config cause NEW_* options to be set
 - OLD_* options are not written to the new .config file
 - NEW_* options appear in the new .config file with correct values
+- NEW_* options with defaults from transitional symbols are not prompted
 - All Kconfig types work correctly: bool, tristate, string, hex, int
 - User-set NEW values take precedence over conflicting OLD transitional values
 """
@@ -16,3 +17,9 @@ def test(conf):
 
     # Check that the configuration matches expected output
     assert conf.config_contains('expected_config')
+
+    # Test oldconfig to ensure symbols with transitional defaults are not prompted
+    assert conf.oldconfig(dot_config='initial_config', in_keys='n\n') == 0
+
+    # Except for when conditional default evaluates to 'no'
+    assert conf.stdout_contains('expected_stdout')
diff --git a/scripts/kconfig/tests/transitional/expected_config b/scripts/kconfig/tests/transitional/expected_config
index 846e9ddcab91..e01f5f070a26 100644
--- a/scripts/kconfig/tests/transitional/expected_config
+++ b/scripts/kconfig/tests/transitional/expected_config
@@ -9,4 +9,7 @@ CONFIG_NEW_STRING_PRECEDENCE="user value"
 CONFIG_NEW_TRISTATE_PRECEDENCE=y
 CONFIG_NEW_HEX_PRECEDENCE=0xABCD
 CONFIG_NEW_INT_PRECEDENCE=100
+# CONFIG_NEW_DISABLED is not set
+# CONFIG_DEPENDENCY_TEST is not set
+# CONFIG_NEW_CONDITIONAL_DEFAULT is not set
 # CONFIG_REGULAR_OPTION is not set
diff --git a/scripts/kconfig/tests/transitional/expected_stdout b/scripts/kconfig/tests/transitional/expected_stdout
new file mode 100644
index 000000000000..6f0b285d6469
--- /dev/null
+++ b/scripts/kconfig/tests/transitional/expected_stdout
@@ -0,0 +1 @@
+New option with conditional default (NEW_CONDITIONAL_DEFAULT) [N/y/?] (NEW) n
diff --git a/scripts/kconfig/tests/transitional/initial_config b/scripts/kconfig/tests/transitional/initial_config
index e648a65e504c..68b7da672426 100644
--- a/scripts/kconfig/tests/transitional/initial_config
+++ b/scripts/kconfig/tests/transitional/initial_config
@@ -14,3 +14,7 @@ CONFIG_NEW_HEX_PRECEDENCE=0xABCD
 CONFIG_OLD_HEX_PRECEDENCE=0x5678
 CONFIG_NEW_INT_PRECEDENCE=100
 CONFIG_OLD_INT_PRECEDENCE=200
+# CONFIG_OLD_DISABLED is not set
+# CONFIG_OLD_DISABLED_UNSAVED is not set
+# CONFIG_DEPENDENCY_TEST is not set
+CONFIG_OLD_CONDITIONAL_DEFAULT=y