Merge tag 'thunderbolt-for-v6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel...

[platform/kernel/linux-starfive.git] / drivers / thunderbolt / Kconfig

diff --git a/drivers/thunderbolt/Kconfig b/drivers/thunderbolt/Kconfig
index f12d0a3..448fd2e 100644 (file)
--- 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