# SPDX-License-Identifier: GPL-2.0-only
menuconfig USB4
	tristate "Unified support for USB4 and Thunderbolt"
	depends on PCI
	select APPLE_PROPERTIES if EFI_STUB && X86
	select CRC32
	select CRYPTO
	select CRYPTO_HASH
	select NVMEM
	help
	  USB4 and Thunderbolt driver. USB4 is the public specification
	  based on the Thunderbolt 3 protocol. This driver is required if
	  you want to hotplug Thunderbolt and USB4 compliant devices on
	  Apple hardware or on PCs with Intel Falcon Ridge or newer.

	  To compile this driver a module, choose M here. The module will be
	  called thunderbolt.

config USB4_KUNIT_TEST
	bool "KUnit tests"
	depends on KUNIT=y
	depends on USB4=y