tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1# SPDX-License-Identifier: GPL-2.0-only
2menuconfig USB4
3 tristate "Unified support for USB4 and Thunderbolt"
4 depends on PCI
5 select APPLE_PROPERTIES if EFI_STUB && X86
6 select CRC32
7 select CRYPTO
8 select CRYPTO_HASH
9 select NVMEM
10 help
11 USB4 and Thunderbolt driver. USB4 is the public specification
12 based on the Thunderbolt 3 protocol. This driver is required if
13 you want to hotplug Thunderbolt and USB4 compliant devices on
14 Apple hardware or on PCs with Intel Falcon Ridge or newer.
15
16 To compile this driver a module, choose M here. The module will be
17 called thunderbolt.
18
19if USB4
20
21config USB4_DEBUGFS_WRITE
22 bool "Enable write by debugfs to configuration spaces (DANGEROUS)"
23 help
24 Enables writing to device configuration registers through
25 debugfs interface.
26
27 Only enable this if you know what you are doing! Never enable
28 this for production systems or distro kernels.
29
30config USB4_KUNIT_TEST
31 bool "KUnit tests"
32 depends on KUNIT=y
33
34endif # USB4