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-rw-r--r--drivers/thunderbolt/Kconfig10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/thunderbolt/Kconfig b/drivers/thunderbolt/Kconfig
index f12d0a3ee3e2..448fd2ec8f6e 100644
--- a/drivers/thunderbolt/Kconfig
+++ b/drivers/thunderbolt/Kconfig
@@ -27,6 +27,16 @@ config USB4_DEBUGFS_WRITE
Only enable this if you know what you are doing! Never enable
this for production systems or distro kernels.
+config USB4_DEBUGFS_MARGINING
+ bool "Expose receiver lane margining operations under USB4 ports (DANGEROUS)"
+ depends on DEBUG_FS
+ depends on USB4_DEBUGFS_WRITE
+ help
+ Enables hardware and software based receiver lane margining support
+ under each USB4 port. Used for electrical quality and robustness
+ validation during manufacturing. Should not be enabled by distro
+ kernels.
+
config USB4_KUNIT_TEST
bool "KUnit tests" if !KUNIT_ALL_TESTS
depends on USB4 && KUNIT=y